Find your next tech and IT Job or contract Java Developer (Kotlin, Groovy...)

The Java developer is a web and application development professional specialized in using Java, a server-oriented programming language. They are also called: Java programmer, Java programmer-analyst, Java software development engineer. This IT technician analyzes the specifications provided by the client to identify a technical solution that meets their technical and functional requirements point by point. They are then responsible for custom designing all or part of the computer program in Java. Then comes the trial and testing phase of the applications. Once the program is operational, they can proceed with writing technical documentation and user guides. The Java developer can progress towards supervisory positions, project manager, IT technical manager or even a commercial career.

Your search returns 105 results.
Permanent

Job Vacancy
Java Developer

CGI
Published on

Leeds, England, United Kingdom
At CGI, we are transforming how secure digital healthcare is delivered across the UK. Join us to help build and evolve critical identity and authentication services that enable millions of healthcare professionals to access vital systems safely and efficiently. You’ll play a hands-on role in modernising national platforms, working in a collaborative environment where you can shape solutions, contribute ideas, and see the real-world impact of your work every day. CGI was recognised in the Sunday Times Best Places to Work List 2025 and has been named a UK ‘Best Employer’ by the Financial Times. We offer a competitive salary, excellent pension, private healthcare, plus a share scheme (3.5% + 3.5% matching) which makes you a CGI Partner not just an employee. We are committed to inclusivity, building a genuinely diverse community of tech talent and inspiring everyone to pursue careers in our sector, including our Armed Forces, and are proud to hold a Gold Award in recognition of our support of the Armed Forces Corporate Covenant. Join us and you’ll be part of an open, friendly community of experts. We’ll train and support you in taking your career wherever you want it to go. Due to the secure nature of the programme, you will need to hold UK Security Clearance or be eligible to go through this clearance. This is a hybrid position.
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Permanent

Job Vacancy
Java Developer (AWS)

Info Plus
Published on
Amazon S3
Angular
AngularJS

Leeds, England, United Kingdom
Role: Java/AWS Developer Role Type: Leeds, UK - Hybrid (3 to 2 days onsite/week) Salary/ Rate: Negotiable Type: Permanent (FTE) No. of Openings:10 Note: We have openings here (Junior & Senior Developer) Job Description : (Developer) Skills: 5-7 years of overall experience with the following skills and experience. Good communication and collaboration skills are key to working in a DevOps culture. Growth mindset. Essential Skills Core AWS Services: Proficiency/understanding of key AWS services listed below:- S3- Athena- Glue- Lambda- DynamoDB- OpenSearch- CloudFormation- API Gateway- ECS- CloudWatch Programming and Core Services • Fluency in Kotlin/Java, NodeJS, TypeScript • SQL Databases Experience with SQL, and NoSQL databases such as DynamoDB Security – strong understanding of security principles within the AWS environment, including RBAC and the principle of least privilege, storing credentials securely using Secrets Manager/KMS, and handling sensitive data such as email addresses and tokens securely. CI/CD – Building and managing continuous integration and delivery pipelines is a key skill. Experience with Git and GitHub Actions Other Skills: Workflow Management – Understanding of services like Amazon Step Functions to implement complex workflows. Containers – experience of working with Docker and ECS Monitoring and debugging – familiarity with tools like Datadog, good understanding of DevOps / DevSecOps concepts. Familiarity with the Angular framework. Senior Developer: Skills: Senior developer with the following skills and experience. Strong communication and collaboration skills are key for working in a DevOps culture, with the ability to guide team members when needed. Growth mindset. Essential Skills Core AWS Services: Proficiency/understanding of key AWS services listed below:- S3- Athena- Glue- Lambda- DynamoDB- OpenSearch- CloudFormation- API Gateway- ECS- CloudWatch Programming and Core Services • Fluency in Kotlin/Java, NodeJS, TypeScript • SQL Databases Experience with SQL, and NoSQL databases such as DynamoDB Security – strong understanding of security principles within the AWS environment, including RBAC and the principle of least privilege, storing credentials securely using Secrets Manager/KMS, and handling sensitive data such as email addresses and tokens securely. CI/CD – Building and managing continuous integration and delivery pipelines is a key skill. Experience with Git and GitHub Actions Workflow Management – Understanding of services like Amazon Step Functions to implement complex workflows - Desirable Containers – experience of working with Docker and ECS Good understanding of DevOps / DevSecOps concepts Other Skills: Monitoring and debugging – familiarity with tools like Datadog. Familiarity with the Angular framework.
Permanent

Job Vacancy
Senior Java Developer

CGI
Published on

United Kingdom
At CGI, we help some of the world’s most recognised organisations solve complex challenges through innovative technology and expert delivery. As a Senior Java Developer, you’ll play a pivotal role in designing and delivering scalable software solutions that drive meaningful outcomes for our clients across multiple industries. Working within collaborative Agile teams, you’ll contribute technical expertise, influence solution design, and help shape high-quality digital services. You’ll be empowered to take ownership of your work, bring fresh ideas to complex problems, and grow your career within a supportive environment that values innovation, continuous learning, and delivering lasting impact for clients and communities alike. CGI was recognised in the Sunday Times Best Places to Work List 2025 and has been named a UK ‘Best Employer’ by the Financial Times. We offer a competitive salary, excellent pension, private healthcare, plus a share scheme (3.5% + 3.5% matching) which makes you a CGI Partner not just an employee. We are committed to inclusivity, building a genuinely diverse community of tech talent and inspiring everyone to pursue careers in our sector, including our Armed Forces, and are proud to hold a Gold Award in recognition of our support of the Armed Forces Corporate Covenant. Join us and you’ll be part of an open, friendly community of experts. We’ll train and support you in taking your career wherever you want it to go. Due to the secure nature of the programme, you will need to hold UK Security Clearance or be eligible to go through this clearance. Our teams operate within a flexible hybrid working model, however on-site requirements vary by project, so the ability to travel as required to meet client needs is essential.
Permanent

Job Vacancy
Java Developers (all levels)

CGI
Published on

United Kingdom
At CGI, we’re shaping the future of digital UK Government solutions, building secure, high-impact platforms that improve services for millions across the UK. As a Java Developer , you’ll play a pivotal role in designing and developing scalable, resilient back-end systems using the latest Java and microservices technologies. You’ll collaborate with skilled professionals who take ownership of their work, share ideas freely, and are empowered to create solutions that make a lasting difference. This is an opportunity to contribute to a variety of major national UK Government programmes where innovation, teamwork, and continuous learning come together to deliver meaningful results for our clients and UK helping improve UK citizens' lives. CGI was recognised in the Sunday Times Best Places to Work List 2025 and has been named a UK ‘Best Employer’ by the Financial Times. We offer a competitive salary, excellent pension, private healthcare, plus a share scheme (3.5% + 3.5% matching) which makes you a CGI Partner not just an employee. We are committed to inclusivity, building a genuinely diverse community of tech talent and inspiring everyone to pursue careers in our sector, including our Armed Forces, and are proud to hold a Gold Award in recognition of our support of the Armed Forces Corporate Covenant. Join us and you’ll be part of an open, friendly community of experts. We’ll train and support you in taking your career wherever you want it to go. Due to the secure nature of our work programmes, you will need to hold UK Security Clearance or be eligible to go through this clearance. These roles will be predominately hybrid with some work based in UK CGI or client offices depending on the specific programme. Travel away from base office will be expensed.
Permanent

Job Vacancy
Senior Documentum Java Developer (h/f)

emagine Consulting SARL
Published on

€45k-70k
2000, Antwerp, Belgium
Introduction & Summary We are seeking a Senior Documentum Java Developer to join our team, focusing on the development and support of business-critical applications within the workflow and document management domain. The ideal candidate will possess a strong foundation in both Documentum and Java technologies, with a proven track record of contributing to complex migration initiatives while ensuring operational stability and service continuity. Main Responsibilities The successful candidate will fulfill various core duties, including: Support, maintain, and optimize existing Documentum-based applications. Contribute to the design and development of modern Java-based solutions. Ensure the stability, performance, and continuity of critical business processes. Participate in migration and transition activities. Collaborate closely with internal stakeholders and technical teams. Facilitate knowledge transfer and maintain up-to-date technical documentation. Key Requirements Ability to work effectively in both legacy and modern technology environments. Proven experience in complex migration and transformation projects. Strong focus on operational stability and service continuity. Experience with technical documentation and knowledge sharing. Excellent communication skills in Dutch (spoken and written). Minimum of 3 years of experience with Documentum platform and Java development. Experience in backend development using Spring Framework and API integrations. Understanding of application security and lifecycle management. Nice to Have Application management, monitoring, and support experience. Experience with platform and infrastructure management, including application servers and databases. Background in solution architecture and platform design. Other Details This role operates within a dynamic and supportive team environment, collaborating with IT professionals to achieve successful project outcomes. The position allows flexibility for remote work arrangements while engaging in a critical modernization initiative over an ongoing period.
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Contractor job
Senior Java Software Application Development Engineer

Nexus Jobs Limited
Published on

New York, United States of America
Senior Java Software Application Development Engineer A Senior Application Engineer with strong expertise in the development and maintenance of enterprise level, Java JEE based systems. The candidate will be part of a team responsible for developing and maintaining the KYCView application used by our Compliance business. Duties will include designing and developing new application features / code within the existing application framework, and researching, identifying, and devising solutions for software defects within the application. KYCView is written in Java, and involves the integration of JEE, web services, Oracle, IBM BPM and ODM, and MQ. Demonstrated expertise in analyzing and understanding existing application architectures, and developing solutions within a pre-existing framework, is a must. The Client is looking for a seasoned Java professional with 7 to 12 years plus expertise in working Java. Responsibilities Design and development of enhancements within KYCView application framework Research and resolve defects during all phases of the software development cycle Support and execute functional and performance testing Assists in troubleshooting production environment and tuning the environments Provides guidance on infrastructure and environment setup Ensures technical best practices are followed during all phases of the project Provides guidance on intended solution and best practices during development, configuration and testing phases Performs code reviews and ensures standards are applied to each solution component Qualifications Required: Strong, disciplined analytical and problem-solving skills. Must have at least 10 + years of experience in design, implementation, and audit / review of systems applications, and code Extensive Java, JEE n-tier application experience Experience in design, implementation, and audit / review of enterprise wide, large scale implementations. Knowledge and experience with, WAS, AngularJS 1.x and AngularJS5.0, JavaScript, Java, JPA (Open JPA), Spring Hibernate, CSS, AJAX, JSON, Bootstrap, NodeJS, XML, Servlet and JSP. Experience with SOAP and REST based WebService development. Designed Application in Object Oriented Programming Methodology [OOP] using Component Methodology (Top Down), Catalysis Methodology (Bottom Up). Experience in Spring IOC and J2EE CDI and should have developed application using “Enterprise Architecture Models”. Good experience in recognizing and reusing Design Patterns -GOF, J2EE design patterns, Architectural patterns, SOA Design Patterns, Enterprise Integration Patterns. Experience with WebSphere Application server is required. Good knowledge on logical and physical Data Modeling using normalizing Techniques. Good knowledge of automated CI build and deployment infrastructure and processes for multiple projects using tools like Jenkins ,CARA,GIT and Stash. BS/BA degree in Computer Science or related work experience required. Strong Hands on experience in business object modeling using Hibernate/JPA. You must have eligibility to work in the United States. This is a 12 month contract assignment. The Client and the role is based in downtown New York, USA. Please send your CV to us in Word format along with your daily rate in USD and your availability.
Permanent

Job Vacancy
MuleSoft Developer

CGI
Published on

United Kingdom
At CGI, we help organisations unlock greater value from their technology ecosystems through innovative integration solutions and scalable digital transformation. As a MuleSoft Developer, you’ll play a key role in designing and delivering secure, high-performing integrations that connect critical enterprise platforms and enable smarter business outcomes. Working across cross-functional teams, you’ll contribute to complex integration strategies, modern API architectures, and enterprise-wide connectivity initiatives that support long-term growth and operational efficiency. Joining CGI means becoming part of a collaborative environment where your expertise is valued, your ideas are encouraged, and you’ll have the support to develop your career while delivering impactful solutions for our clients. CGI was recognised in the Sunday Times Best Places to Work List 2025 and has been named a UK ‘Best Employer’ by the Financial Times. We offer a competitive salary, excellent pension, private healthcare, plus a share scheme (3.5% + 3.5% matching) which makes you a CGI Partner not just an employee. We are committed to inclusivity, building a genuinely diverse community of tech talent and inspiring everyone to pursue careers in our sector, including our Armed Forces, and are proud to hold a Gold Award in recognition of our support of the Armed Forces Corporate Covenant. Join us and you’ll be part of an open, friendly community of experts. We’ll train and support you in taking your career wherever you want it to go. Due to the secure nature of the programme, you will need to hold UK Security Clearance or be eligible to go through this clearance. Our teams operate within a flexible hybrid working model, however on-site requirements vary by project, so the ability to travel as required to meet client needs is essential.
Permanent

Job Vacancy
IOS Developer

CGI
Published on

United Kingdom
At CGI, we create digital solutions that transform how organisations connect with their users and customers. We’re looking for iOS Developers to join our growing mobile engineering team, helping to deliver high-quality, scalable applications that provide seamless and engaging user experiences. You’ll work on innovative mobile solutions alongside talented designers, engineers, and product specialists in a collaborative Agile environment where your ideas, creativity, and technical expertise will directly influence delivery outcomes. This is an exciting opportunity to contribute to modern mobile applications while developing your skills within a supportive team that values continuous improvement, ownership, and innovation. CGI was recognised in the Sunday Times Best Places to Work List 2025 and has been named a UK ‘Best Employer’ by the Financial Times. We offer a competitive salary, excellent pension, private healthcare, plus a share scheme (3.5% + 3.5% matching) which makes you a CGI Partner not just an employee. We are committed to inclusivity, building a genuinely diverse community of tech talent and inspiring everyone to pursue careers in our sector, including our Armed Forces, and are proud to hold a Gold Award in recognition of our support of the Armed Forces Corporate Covenant. Join us and you’ll be part of an open, friendly community of experts. We’ll train and support you in taking your career wherever you want it to go. This is a hybrid position with 1 day per week required on-site in Glasgow if you are based locally if not then this expectation is 1 day a month.
Permanent

Job Vacancy
Python Developers

CGI
Published on

London, England, United Kingdom
CGI’s Space, Defence and Intelligence business unit focuses on delivering contemporary and innovative technical solutions to government agencies tackling some of the most complex challenges. We design, build, and operate bespoke, mission-critical systems that help keep the UK safe and secure. We are looking for experienced Python Developers to join our cross-functional teams. Working closely with our clients, you will help design, build, and deliver secure, scalable solutions in a highly rewarding and impactful environment. CGI places strong emphasis on learning and development, ensuring your skills evolve alongside the latest technologies. Our culture promotes innovation, collaboration, and ownership—ideal for motivated self-starters. Due to the secure nature of the work, these roles require UK Security Clearance and sole UK nationality. Candidates should either already hold DV clearance or be willing and eligible to obtain it.
Permanent

Job Vacancy
Geospatial Developer

CGI
Published on

United Kingdom
Do you enjoy solving complex challenges with geospatial technology? Are you keen to see your work making a real difference in both public and commercial sectors? If you’re ready to grow your skills and contribute to innovative projects, join our expanding Geospatial team at CGI as a Geospatial Developer. We work on projects that enhance services, transform organisations and ultimately make everyday life easier for people. At CGI, you’ll be part of a collaborative, supportive environment where your development matters as much as the solutions you create. CGI was recognised in the Sunday Times Best Places to Work List 2025 and has been named one of the ‘World’s Best Employers’ by Forbes magazine. We offer a competitive salary, excellent pension, private healthcare, plus a share scheme (3.5% + 3.5% matching) which makes you a member not just an employee. We are committed to inclusivity, building a genuinely diverse community of tech talent and inspiring everyone to pursue careers in our sector, including our Armed Forces, and are proud to hold a Gold Award in recognition of our support of the Armed Forces Corporate Covenant. Join us and you’ll be part of an open, friendly community of experts. We’ll train and support you in taking your career wherever you want it to go. This is a hybrid working pattern role and you may need to travel occasionally within the UK as needed – ideally you will be based within a commutable distance to one of the following CGI offices London, Bristol, Birmingham, Reading, or Glasgow, but we will consider candidates from other UK locations. All applicants must hold or be prepared to undergo National Security Vetting (NSV) to Security Check (SC) level as a minimum.
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Contractor job
Documentum Java Solution Developer / Architect - DV Cleared

LA International Computer Consultants Ltd
Published on

6 months
£750
RG29 1BY, Hart, England, United Kingdom
Documentum Java Solution Developer / Architect Must have an Active DV Clearance The successful candidate will be proactive, adaptable and capable of reprioritising work based on changing customer requirements. The role involves solution development, design contribution, application support and participation across the full software delivery lifecycle. Key Responsibilities Design, develop, test and document new and amended Java solutions. Provide application maintenance and support services across enterprise environments. Work under the direction of the Lead Java Developer to deliver high quality Java solutions with minimal supervision. Support both existing systems and new systems currently under development. Contribute to high level solution and design reviews. Participate in SAFe Agile activities including retrospectives, sprint reviews and planning sessions. Support build, release and deployment activities within the development lifecycle. Required Skills and Experience Minimum 3 years of Documentum Java development experience within enterprise environments. Strong experience using Documentum APIs with Java including REST interfaces. Experience working on Windows platforms. Experience using GIT source control. Experience using Azure DevOps (ADO) including build and release pipelines. Strong understanding of enterprise Java development and solution delivery practices. Comfortable operating within Agile and fast moving delivery environments. To apply, please send your CV by pressing the apply button Due to the nature and urgency of this post, candidates holding or who have held high level security clearance in the past are most welcome to apply. Please note successful applicants will be required to be security cleared prior to appointment which can take a minimum 18 weeks. LA International is an award-winning partner of choice for many of the world's most influential companies and government organisations. Holding Enhanced Government Security Accreditation, we are recognised as the European market leader in the delivery of Security Cleared talent to organisations that demand the very highest levels of security, compliance and assurance. An award-winning organisation, having secured the prestigious Queens Award for Enterprise: International Trade over multiple years. We are committed to fostering an inclusive, equitable and accessible workplace where everyone feels valued and supported. We welcome applications from all individuals, regardless of background or identity, and we encourage candidates who may not meet every listed requirement to still apply. If you require any adjustments or support during the recruitment process, please let us know and we will work with you to ensure a fair and accessible experience. Please Note: If a high volume of applications is received, only candidates shortlisted will be contacted.
Permanent

Job Vacancy
Android Developer

CGI
Published on

United Kingdom
At CGI, we build innovative digital solutions that help organisations deliver seamless and engaging experiences for their users. We’re looking for Android Developers to join our growing mobile engineering team, where you’ll play a key role in designing and developing high-performance Android applications using modern technologies and Agile delivery practices. Working alongside talented product managers, designers, developers, and QA specialists, you’ll contribute to scalable mobile solutions that combine technical excellence with exceptional user experience. This is an exciting opportunity to work on impactful digital products while growing your expertise in a collaborative and supportive environment that values innovation, continuous improvement, and professional development. CGI was recognised in the Sunday Times Best Places to Work List 2025 and has been named a UK ‘Best Employer’ by the Financial Times. We offer a competitive salary, excellent pension, private healthcare, plus a share scheme (3.5% + 3.5% matching) which makes you a CGI Partner not just an employee. We are committed to inclusivity, building a genuinely diverse community of tech talent and inspiring everyone to pursue careers in our sector, including our Armed Forces, and are proud to hold a Gold Award in recognition of our support of the Armed Forces Corporate Covenant. Join us and you’ll be part of an open, friendly community of experts. We’ll train and support you in taking your career wherever you want it to go. Due to the secure nature of some of our programmes, you may need to hold UK Security Clearance or be eligible to go through this clearance. This is a hybrid position with 1 day per week required on-site in Glasgow if you are based locally. If not, you will be expected to attend meetings in Glasgow on a monthly basis.
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Contractor job
Senior Technical Java and C# .net Software Developer

Nexus Jobs Limited
Published on

£450-500
London, England, United Kingdom
Senior Technical Java and C# .net Software Developer We are currently recruiting a Java with C# .net Senior Software Developer – who can be the lead in the team. You must have at least 5 to 7 years proven track record of developing software with Java and C# .net framework coupled with SQL Server. Ability to own and drive forward Omni channel technical solutions and technical architecture from an IT perspective (with direction from Head of IM, Consumer & Brands) o Ownership of FM Digital Technical architecture including the ongoing review of overall FM Omni technical design, structure and future-fit. Project lead on any future re-platforming for FM.com. o To be the technology lead managing the ‘day to day’ from a technical perspective o Ensure all technical solutions are best-in-class, future-proofed and align to the wider DBIM vision / strategy (e.g. liaise with wider IM on Security, release processes etc) § For example for the FM global single customer view project, the role would provide all technical advice on architecture, user stories, technical specs and DB IM sign-offs Technical lead for all 3rd party solution providers: a) Salesforce b) Booking Bug c) Shopify. Ensure that all OmniChannel products are working together/integrated as needed to allow single consumer tracking and global database. o Technical lead for China Retail Salesforce integration / WeChatify / Social CRM o Data Management Platform (DMP) technical lead o B2B FMJ / FMD Management CRM (India) technical lead to work with DBIM to ensure that project is delivered + technical specification. o Salesforce Service and Marketing Cloud technical lead to take technical ownership for the delivery of new projects / enhancements o Technical leader to create technical architecture documentation, listing the technical stack of the FM.com suite of applications (front and back end). o Technical Leader to highlight components at security, warranty, support, IM policy risk. o Technical Leader to prepare a plan for short and long term to alleviate / eradicate highlighted risks of the technical stacks. o Alignment of FM Omnichannel technical projects / scope to ensure business, cost and technology efficiencies in conjunction with China and US technical leads · Lead development efforts and deliverables on complex solutions within an Agile framework · Provide strong oversight and ownership of coding efforts, and technical solutions · Contribute to the development of system components as needed · Accountable for solving for all technical aspects and delivery · Serve as an escalation point for technical impediments · Accountable for the articulation of the solutions, to various levels · Delegate structured assignments and monitor the progress · Develop and ensure development standards and practices are adhered to by the development team, i.e. DevOps, coding, code management, and documentation · Provide solutions based on strong technical acumen and technical currency in a variety of technologies · Exposure to Mobile and Cloud application platforms · Ensure the technical activities are aligned with approved architectural designs. · Create technical and strategy documents to articulate the solutions and guide implementations as needed to meet requirements. · Develop strong technical application and product knowledge across the Omni channel portfolio. · Challenge our technology partners and vendors to derive maximum value. · Evaluate vendor solutions and work with vendors as necessary · Provide guidance to onshore, offshore, and near shore development service providers as necessary · Provide strong retail business acumen, and customer focus. · Provide governance for troubleshooting complex system issues as necessary · Develop or contribute to business cases, roadmaps and proposals which may include presentations to senior management. · Collaboration with Business, Technical, and Security Architects, to manage risk identification and risk mitigation tactics associated with the designs. Role-specific knowledge: · 5+ years of senior technical lead. · 5+ years of strong hands-on experience as a developer working on JAVA or .NET Framework standards and technologies - C#.NET, ASP.NET, AngularJS, SQLServer, Web Services, Cloud Platforms, AJAX, JQUERY, XML/JSON, HTML, CSS · Retail / digital technology experience is essential · Experience in SalesForce Service and Marketing Clouds · Safety Knowledge: · Provides a consistent outstanding role model in relation to safety practices with a deep understanding of the importance of safety This is a 6 month contract assignment based in the London. Rate is negotiable and will be in the range £450 to £500 per day. Please send your CV to us in Word format along with your daily rate and availability.
Permanent

Job Vacancy
Senior Siebel Developer

CGI
Published on

Leatherhead, England, United Kingdom
CGI's Space, Defence and Intelligence business unit delivers complex, mission-critical systems that help keep the UK safe and secure. As a leading systems integrator, we design, build and operate innovative solutions for clients across defence, intelligence, aerospace, maritime and space sectors. We combine deep technical expertise with modern delivery approaches and strong partnerships across industry and academia. Our teams work on challenging projects where technology makes a real-world difference. At CGI, you'll be part of a collaborative and supportive community that values innovation, continuous learning and professional growth. We offer a competitive salary, excellent pension, private healthcare and our share purchase plan, making you a CGI Partner rather than simply an employee. Due to the secure nature of the programme, you will need to hold UK Security Clearance or be eligible to go through this clearance. This is a hybrid position with travel to our Leatherhead office.
Permanent

Job Vacancy
Senior Python Developer

CGI
Published on

Leeds, England, United Kingdom
At CGI, we deliver secure, innovative technology solutions that help our clients tackle complex challenges and achieve meaningful outcomes. As a Senior Python Developer, you’ll help build and support cloud-native applications that power critical services, working with modern technologies in a collaborative environment where your ideas, expertise, and contributions will make a real impact. You'll have the opportunity to influence engineering best practices, drive continuous improvement, and develop your career alongside experienced professionals. CGI was recognised in the Sunday Times Best Places to Work List 2025 and has been named a UK ‘Best Employer’ by the Financial Times. We offer a competitive salary, excellent pension, private healthcare, plus a share scheme (3.5% + 3.5% matching) which makes you a CGI Partner not just an employee. We are committed to inclusivity, building a genuinely diverse community of tech talent and inspiring everyone to pursue careers in our sector, including our Armed Forces, and are proud to hold a Gold Award in recognition of our support of the Armed Forces Corporate Covenant. Join us and you’ll be part of an open, friendly community of experts. We’ll train and support you in taking your career wherever you want it to go. Due to the secure nature of the programme, you will need to hold UK Security Clearance or be eligible to go through this clearance. This is a hybrid position.
Permanent

Job Vacancy
AI Engineer / Developer

CGI
Published on

Gloucester, England, United Kingdom
At CGI, you will help design and deliver advanced AI solutions that support mission-critical systems across the Space, Defence and Intelligence sector. As an AI Developer / Engineer, you will build and deploy intelligent applications that unlock the value of data, enhance decision-making, and drive operational impact. Working with cutting-edge technologies and expert teams, you will take ownership of complex challenges, contribute innovative ideas, and grow your career within a collaborative and supportive environment. The Space, Defence and Intelligence business unit in CGI is a true IT Systems Integrator. We work, build, and operate bespoke, technically complex, mission-critical systems which help our clients keep us all safe and secure. We bring innovation to our clients using proven and emerging technologies, agile delivery processes and our deep expertise across the breadth of space, defence, intelligence, aerospace and maritime, all underpinned by our end-to-end cyber capability. We work collaboratively with global technology companies, cutting edge SMEs and academia to deliver the optimal solution for each client. CGI was recognised in the Sunday Times Best Places to Work List 2025 and has been named a UK ‘Best Employer’ by the Financial Times. We offer a competitive salary, excellent pension, private healthcare, plus a share scheme (3.5% + 3.5% matching) which makes you a CGI Partner not just an employee. We are committed to inclusivity, building a genuinely diverse community of tech talent and inspiring everyone to pursue careers in our sector, including our Armed Forces, and are proud to hold a Gold Award in recognition of our support of the Armed Forces Corporate Covenant. Join us and you’ll be part of an open, friendly community of experts. We’ll train and support you in taking your career wherever you want it to go. Due to the secure nature of the programme, you will need to hold UK Security Clearance or be eligible to go through this clearance. This position will be based on site near Gloucester 5 days a week.

Frequently asked questions about working as a Java Developer (Kotlin, Groovy...)

What is the role of a Java Developer (Kotlin, Groovy...)

The Java developer is a computer specialist who focuses on designing software and websites. As the name implies, they have Java programming language down pat! Passionate and versatile, the Java developer must possess solid technical skills and some essential qualities to provide their client with a customized IT solution.

How much does a Java Developer (Kotlin, Groovy...) charge

The mastered frameworks, the company's sector, its location and the technical issues to be solved are all criteria that affect the Java developer's salary. Nevertheless, their daily rate is relatively high, even for a beginner. The latter earns an average of 483 euros per day. Their salary will be around £40K.

What is the definition of a Java Developer (Kotlin, Groovy...)

The Java developer creates applications at the client's request using their preferred language: Java. For this purpose, they must comply with the requirements provided in the specifications. They develop the application, then manage the testing phase as well as maintenance and update planning

What type of mission can a Java Developer (Kotlin, Groovy...) handle

The tasks generally assigned to a Java developer are: • Definition of client needs; • Application programming; • Development of website structure; • Writing explanatory notes so that the written code lines are understandable by other stakeholders; • Adding new functionalities and improving the performance of an existing application; • Performing unit tests and integration tests; • Technical support; • Updating existing code.

What are the main skills of a Java Developer (Kotlin, Groovy...)

Knowledge of Java language must be complemented by knowledge of: • The J2EE development platform; • Other programming languages; • Oracle and SQL databases; • Tools and frameworks such as Spring, Spring boot, React, Angular, Hibernate, AWS, GWT, Struts or Docker; • Algorithms; • Security standards and procedures to combat cyberattacks; • The business environment (market, services, customers). Those who wish to work as Java developers must also master English.

What is the ideal profile for a Java Developer (Kotlin, Groovy...)

In addition to the diploma and technical skills, recruiters require future Java developers to be: • Rigorous and precise in writing code; • Creative; • Good listeners; • Able to work in an agile environment; • Flexible and available; • Able to communicate and explain their knowledge to non-technical people; • Curious, as computer programs and languages are constantly evolving. A strong sense of analysis and organization is also required!
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Hybrid Remote On-site

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£150 £1300 and more

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£20k £250k

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0-2 years experience 3 to 5 years experience 6 to 10 years experience +10 years experience

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