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 114 results.
Permanent

Job Vacancy
Java Developer - Remote UK - £400/day Outside IR35 | Java 17-21 | Spring Boot | Angular | Restful APIs | JSON | SQL | Object‑Oriented design | SaaS Platform

█ █ █ █ █ █ █
Published on
Angular
AngularJS
Flutter

United Kingdom

Imported from

Job from the tech market, identified automatically to give you a complete view of the opportunities.

Restricted access to the community

Join our platform to access the details of this job and get access to the best offers on the market.

Contractor

Contractor job
Senior Software Developers/Engineers with Python, Terraform and Go

Nexus Jobs Limited
Published on

£500
London, England, United Kingdom
Senior Software Developers/Engineers with Python, Terraform and Go Our Client is looking to recruit brilliant Software Developers/Engineers with upwards of 7 to 10 years solid proven track record of developing complex applications with Python coupled with Machine Learning and ideally Go. We’re looking to recruit initially 2 excellent Software Engineers to work with an existing team of 4 software developers on a very large strategic consulting engagement. Must be 100% trustworthy with real integrity – this is a highly sensitive project. Key skills Python Machine Learning ideally Terraform Go programming language If you are excellent with developing software with C++ and/or C# etc… then you can easily learn Go. Excellence is vital. Ideally have security clearance. Duration for this assignment will be 3 to 6 months initially with possibility of the role becoming permanent at some point in the future. The Client has offices in Central London and the project is based in Oxford - and are happy with remote working for the foreseeable future. They are absolutely committed to family-friendly operations with diversity & work-life balance. Daily rate for this assignment will be dependent on your expertise – but will be in the range £500 to £2000 per day. Please note we really are looking for the best software developers – the cream of the crop – or crème de la crème . Do send your CV to us in Word format along with your daily rate and availability.
Contractor

Contractor job
Senior Software Engineer (Sr .Net Developer with AWS)

Nexus Jobs Limited
Published on

Chicago, Illinois, United States of America
Our Client is looking to recruit a Senior Java or C# .net software developer for their Chicago, IL office. Senior Software Engineer (Sr .Net Developer with AWS) Duties · 5+ years of experience with coding in Java and/or .Net programming languages · Directs, prepares, designs, codes, tests, debugs, and maintains complex computer programs · Be able to write great code and know what that means · Experience with working in continuous integration and continuous delivery environments · Experience of Agile development methodologies e.g Scrum & Kanban · Strong communication & collaboration skills · Willingness to learn new things · Strong focus on quality · Be able to work on your own initiative · Believe in getting things done and show the tenacity to see projects to completion Skills · Strong Experience of software development in C#. · Experience with frontend languages like JavaScript, AngularJS or React is preferred · Experience in tools like Redis and Elasticsearch is a plus · Experience with cloud technologies like AWS and/or Azure is a plus · Ability to work in service oriented applications by following design principles. · Experience of Object Oriented Design and the use of modern database technologies Postgres and SQL Server. · A working knowledge of current operating systems (UNIX, LINUX, MS Windows etc.). · A deep understanding of software version control techniques, such as git and TFS. · An appreciation of Scrum based agile development methods and processes. Education · Bachelors or Masters in Computer related fields. The position is based in Chicago USA. You must have the relevant visa’s and the right to live and work in the US. Send your CV to us in Word format along with your hourly rate is USD along with your availability.
Permanent

Job Vacancy
Senior Software Developer with C# .Net and Fixed Income

Nexus Jobs Limited
Published on

£60k-75k
City of London, England, United Kingdom
C# .NET Software Developer with FX and Fixed Income Our Client is a niche boutique broker specialising in FX. They are looking to recruit a C# .NET Software Developer with at least 3 to 5 years proven track record of developing with C# .NET. The Client would like meet candidates ideally with some understanding Trading Floor projects to include Fixed Income, Risk Management, Swap Options and FX. You need to be resilient as you will be working closely with traders and developing financial trading systems so an understanding of FX instruments would be very useful. The Company is a fast growing dynamic brokerage firm, specialising in currency options and interest rate swaps. They are seeking a talented technologist to join the London team. You will be working in a fast paced, delivery focused environment where you will get the opportunity to make a genuine impact on the business rather than just ‘making up the numbers’. Initially reporting to the CTO, the successful candidate will become a key member of the global team. There will be a large amount of autonomy in the role, giving the candidate the opportunity to showcase their development talents, Responsibilities :- Re-architecting and building the in-house middle office platform and integrating with a new trading platform. Developing pricing toolsets Integrating to external reporting/tradeflow and pricing APIs. Maintaining the company’s daily operation on the existing platforms. Essential skills :- Minimum 3 to 5 years experience of Microsoft web technologies ( C#, Core MVC ) Relational database experience (SQL Server) Proactively able to build relationships with stakeholders:- sales, brokers, middle office, external vendors. Ability to produce clean, well-written, fully tested production ready software. Desirable skills :- Knowledge of the FIX protocol Knowledge of FX trade processing Basic knowledge of Foreign exchange products (vanilla/exotic options, fx cash) ( training will be given) Qualifications: Computer Science related degree preferred At least 3 years experience in a comparable development role. The Client is based in the City of London. The salary for this role will be £60K - £75K. Please do send your CV to us in Word format along with your salary and availability.
Permanent

Job Vacancy
Software Engineer (Web Portal Developer) - SC Cleared

CGI
Published on

Sheffield, England, United Kingdom
At CGI, you'll play a key role in delivering secure, high-impact digital solutions that support critical UK Defence operations. As a Software Engineer (Web Portal Developer), you will help develop, maintain and enhance customer-facing portal services that enable the delivery of mission-critical information and data products. Working alongside military personnel, civil servants and technical specialists at RAF Waddington near Lincoln, you will contribute to innovative solutions that support national security while developing your expertise in a collaborative, supportive environment where your ideas, ownership and technical growth are valued. 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 requiring attendance to the Waddington Site Nr Lincoln when required.
Permanent

Job Vacancy
Senior Backend Developer with Umbraco C# .net

Nexus Jobs Limited
Published on

£55k-75k
United Kingdom
Senior Backend Developer with Umbraco C# .net Working as part of the Digital team, you'll be responsible for the ongoing development and improvements to an eCommerce website as well as other internal applications for this award-winning Travel Company. You will be responsible for: Leading the eCommerce web and application development from a technical perspective Collaborating with the front end developer and design resource to deliver improved UI & UX A problem solver - you'll need to be able to analyse and suggest improvements to existing website features Analysing and identifying ways to automate processes working alongside the business lead Implementing automated regression testing for the software developed Skills and Experience: Excellent working knowledge of ASP.NET, C#, HTML, JavaScript, jQuery, React Framework, MS SQL Server, Mongo DB, Elasticsearch Understanding of SOLID development principles Worked previously on projects using the Umbraco CMS Continuous Delivery skills, tools and techniques (e.g. Git, Github, Team City, Octopus, Jenkins, Selenium, etc.) Familiar with Azure cloud services & setting up/managing resources/deploying apps Familiar with JIRA and Confluence Capable of working with (and developing) multiple (REST) APIs documented with e.g. OpenAPI/swagger and other API messaging formats e.g. JSON, XML, SOAP Experience of PowerBI, PowerQuery and R Experience of structured testing and quality assurance approaches (e.g. Test Driven Development and Behaviour Driven Development) A positive and cooperative individual who will work effectively across departments and within a team Worked in an agile/Kanban environment and familiar with JIRA and confluence Not afraid to challenge existing thinking in order to improve processes The salary for this role will be in the range £55K to £75K per year depending on experience. The Client is based in Central London and this role will be working remotely. Do send your CV to us in Word format along with your salary and availability.
Permanent

Job Vacancy
Full Stack Software Developer with C# Asp.net

Nexus Jobs Limited
Published on

£55k-75k
Basildon, England, United Kingdom
Fullstack Software Developer with C# Asp.net Our Client is an established is a recognised leader with a widely used commercial software in the financial markets. They are now looking for additional personnel to join the software development team with extensive proven expertise in developing software with C# with .net core – you must have at least 5 to 7 years experience. Personal Responsibilities: The Client is looking for a creative, detail-orientated Web Software Developer to join our Web Development team. Within the Web Development team, you will have the opportunity to enjoy working with a range of web technology across the full stack. The Company’s client base is growing and as part of this growth we are looking to improve and enhance our web-oriented product offerings. We are looking to recruit highly motivated and creative web developers who can be instrumental in delivering an ambitious digital roadmap. Previous Experience/Education: Web Developers at this Company don’t always need industry-specific work experience, but they must be able to demonstrate their web software coding capability in organisations of a similar size and complexity. Ideally, looking for Web Developers with 5 plus years work experience. Additionally, candidates should be experienced in debugging and profiling applications associated with developing, testing and deploying web applications. It is preferable for Web Developers to hold a degree in Computer Science or a related field. Successful Web Developers should have sound knowledge and experience in different programming applications. C#, Asp.net/Core, JavaScript, HTML, CSS, MVC and JSON are required core skills. Function: Candidates should be able to demonstrate strong ability to work independently and as part of a team building websites from the ground up in C#, MVC, Asp.net and Asp.net core. The successful candidate should have a good command of C#, HTML, CSS, JavaScript, JSON & Bootstrap. Exposure to any UI binding framework such as Vue.js, AngularJS, React, and Knockout would be beneficial. Additionally, the candidate should be comfortable using IIS. Full understanding of the MVC pattern, REST APIs and asp.net controllers are a must. Web developers should be aware of security vulnerabilities, such as those identified in OWASP, and their code should mitigate these threats. Required: Web Developers need experience in the design, creation and maintenance of websites across multiple platforms. The most important duties and responsibilities of the Web Developer include: Writing efficient code using best practice for software development Creating websites using different languages such as HTML and CSS Working with Programmers and Web Designers to create a website that matches the visual design intent Communicating with business colleagues to gather and refine requirements and specifications for content development within agreed-upon timelines Researching a variety of software programs Creating and maintaining the documentation for software used Improving and enhancing websites after they have been created Skills Required: A successful Web Developer candidate will have various prerequisite skills/qualifications needed for duties such as a Degree in Computer Science or related field). Some skills include, but are not limited to, the following: Strong interpersonal skills and the ability to establish and maintain close working relationships with business stakeholders and other technologists A pro-active approach with a keen attention to detail Proactive with a keen desire to take ownership of projects Functional knowledge and coding experience Basic knowledge of search engine optimisation (SEO) The ability to multitask within the budgets and time constraints set by the company Strong communication and problem-solving skills An understanding of development approaches and methods Knowledge of mobile applications, computer operating systems and web browsers Strong analytical skills The salary for this position with be in the range £55K - £75K plus benefits. The Client has offices in the City of London and close to Basildon in Essex. Currently this role will be based 2 days at the office in Essex and 3 days remote working. Please send your CV to us In Word format along with your salary and notice period.
Permanent

Job Vacancy
Senior Backend Developer with C# .net Framework

Nexus Jobs Limited
Published on

£50k-80k
United Kingdom
Senior Backend Developer with C# .net Framework Working as part of the Digital team, you'll be responsible for the ongoing development and improvements to an eCommerce website as well as other internal applications for this award-winning Travel Company. You will be responsible for: Leading the eCommerce web and application development from a technical perspective Collaborating with the front end developer and design resource to deliver improved UI & UX A problem solver - you'll need to be able to analyse and suggest improvements to existing website features Analysing and identifying ways to automate processes working alongside the business lead Implementing automated regression testing for the software developed Skills and Experience: Excellent working knowledge of ASP.NET, C#, HTML, JavaScript, jQuery, React Framework, MS SQL Server, Mongo DB, Elasticsearch Understanding of SOLID development principles Worked previously on projects using the Umbraco CMS Continuous Delivery skills, tools and techniques (e.g. Git, Github, Team City, Octopus, Jenkins, Selenium, etc.) Familiar with Azure cloud services & setting up/managing resources/deploying apps Familiar with JIRA and Confluence Capable of working with (and developing) multiple (REST) APIs documented with e.g. OpenAPI/swagger and other API messaging formats e.g. JSON, XML, SOAP Experience of PowerBI, PowerQuery and R Experience of structured testing and quality assurance approaches (e.g. Test Driven Development and Behaviour Driven Development) A positive and cooperative individual who will work effectively across departments and within a team Worked in an agile/Kanban environment and familiar with JIRA and confluence Not afraid to challenge existing thinking in order to improve processes The Client will consider candidates with solid Backend development skills without Umbraco. The salary for this role will be in the range £50K to £80K per year depending on experience. The Client is based in Central London and this role will be working remotely. Do send your CV to us in Word format along with your salary and availability.
Permanent

Job Vacancy
Senior Software Developer - Salesforce

CGI
Published on

United Kingdom
As a Senior Salesforce Developer at CGI, you’ll help clients transform their business through innovative Salesforce solutions that deliver measurable value. You’ll design and develop scalable systems that streamline operations, enhance user experience, and drive strategic growth. Working in a collaborative environment, you’ll have the opportunity to influence technical direction, mentor others, and lead projects that make a real impact across industries. You’ll be part of a culture that values ownership, creativity, and support, empowering you to shape both client outcomes and your own career path. 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.
Permanent

Job Vacancy
Front and Backend C# Dot Net Javascript Software Developer with Umbraco

Nexus Jobs Limited
Published on

£55k-65k
West Ham, England, United Kingdom
Front and Backend C# Dot Net Javascript Software Developer with Umbraco Our Client is an established leader in the travel industry. They are looking to recruit a Full Stack Dot Net Software Developer to work on a major transformation programme for this award-winning Luxury Travel Company. Projects will include designing and implementing web based tools to automate operational tasks and improve accuracy of pricing and management information and web site enhancements. We are seeking an individual who is looking to take on the technical design and implementation of technical solutions for the business. The Client works with a number of third party suppliers and the candidate will also liaise and work closely with our vendors to help deliver solutions, as required. Depending on your expertise you will have the opportunity to take on the management of projects involving multiple stakeholders and vendors. You will be responsible for: Design and implementation of web based tools to automate a variety of business processes Implementation of enhancements to the company website (built on Umbraco) Interfacing with business systems and data warehouse to implement the required functionality Analysing and identifying ways to automate processes working alongside the business lead Designing and validating the technical suitability of proposed solutions including database design and software approaches proposed by vendors Taking on complex business change projects that involve multiple stakeholders and suppliers Potential for managing suppliers tightly to ensure delivery of our requirements within budget and on time Risk and issue management to ensure a pro-active approach is taken to managing these Skills and Experience: The Client would ideally like to see some experience with specific retail Travel Industry domain knowledge Track record of delivering projects involving in-house resources and/or third party suppliers Ability to design and architect technical solutions to complex business problems Full Stack development experience (ASP.NET, C#, HTML, CSS, JavaScript, JQuery, ReactJS, AngularJS, MS SQL Server) CMS experience e.g. with Umbraco – experience of Umbraco would be a plus Continuous Delivery skills, tools and techniques (e.g. Git, Github, Jenkins, Docker, Vagrant, Chef, Puppet, Selenium, etc.) Familiar with Azure cloud services & setting up/managing resources/deploying apps Experience in implementing business process automation Capable of working with (and developing) multiple (REST) APIs documented with e.g. OpenAPI/swagger PowerBI, PowerQuery, Dax & M Other API messaging formats e.g. JSON, XML, SOAP Experience of structured testing and quality assurance approaches (e.g. Test Driven Development and Behaviour Driven Development) A positive and cooperative individual who will work effectively across departments and within a team Ability to understand and document business requirements This is an exciting new role at this organisation – salary range £50K - £65K. The company is based in London. Please send your CV to us in Word format along with your salary and availability.
Permanent

Job Vacancy
Python Developer (DV Security Clearance)

CGI
Published on

Gloucester, 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
C# Dot Net Software Developer with Fixed Income and FX

Nexus Jobs Limited
Published on

£80k-100k
City of London, England, United Kingdom
C# .NET Software Developer with FX and Fixed Income Our Client is a niche boutique broker specialising in FX. They are looking to recruit a C# .NET Software Developer with at least 3 to 5 years proven track record of developing with C# .NET. The Client would like meet candidates ideally with some understanding Trading Floor projects to include Fixed Income, Risk Management, Swap Options and FX. You need to be resilient as you will be working closely with traders and developing financial trading systems so an understanding of FX instruments would be very useful. The Company is a fast growing dynamic brokerage firm, specialising in currency options and interest rate swaps. They are seeking a talented technologist to join the London team. You will be working in a fast paced, delivery focused environment where you will get the opportunity to make a genuine impact on the business rather than just ‘making up the numbers’. Initially reporting to the CTO, the successful candidate will become a key member of the global team. There will be a large amount of autonomy in the role, giving the candidate the opportunity to showcase their development talents, Responsibilities :- Re-architecting and building the in-house middle office platform and integrating with a new trading platform. Developing pricing toolsets Integrating to external reporting/tradeflow and pricing APIs. Maintaining the company’s daily operation on the existing platforms. Essential skills :- Minimum 3 to 5 years experience of Microsoft web technologies ( C#, Core MVC ) Relational database experience (SQL Server) Proactively able to build relationships with stakeholders:- sales, brokers, middle office, external vendors. Ability to produce clean, well-written, fully tested production ready software. Desirable skills :- Knowledge of the FIX protocol Knowledge of FX trade processing Basic knowledge of Foreign exchange products (vanilla/exotic options, fx cash) ( training will be given) Qualifications: Computer Science related degree preferred At least 3 years experience in a comparable development role. The Client is based in the City of London. The salary for this role will be £80K - £100K. Please do send your CV to us in Word format along with your salary and availability.
Contractor

Contractor job
C# Dot Net Software Developer with Fixed Income and FX

Nexus Jobs Limited
Published on

£500-600
United Kingdom
C# .NET Software Developer with FX and Fixed Income Our Client is a niche boutique broker specialising in FX. They are looking to recruit a C# .NET Software Developer with at least 3 to 5 years proven track record of developing with C# .NET. The Client would like meet candidates ideally with some understanding Trading Floor projects to include Fixed Income, Risk Management, Swap Options and FX. You need to be resilient as you will be working closely with traders and developing financial trading systems so an understanding of FX instruments would be very useful. The Company is a fast growing dynamic brokerage firm, specialising in currency options and interest rate swaps. They are seeking a talented technologist to join the London team. You will be working in a fast paced, delivery focused environment where you will get the opportunity to make a genuine impact on the business rather than just ‘making up the numbers’. Initially reporting to the CTO, the successful candidate will become a key member of the global team. There will be a large amount of autonomy in the role, giving the candidate the opportunity to showcase their development talents, Responsibilities :- Re-architecting and building the in-house middle office platform and integrating with a new trading platform. Developing pricing toolsets Integrating to external reporting/tradeflow and pricing APIs. Maintaining the company’s daily operation on the existing platforms. Essential skills :- Minimum 3 to 5 years experience of Microsoft web technologies ( C#, Core MVC ) Relational database experience (SQL Server) Proactively able to build relationships with stakeholders:- sales, brokers, middle office, external vendors. Ability to produce clean, well-written, fully tested production ready software. Desirable skills :- Knowledge of the FIX protocol Knowledge of FX trade processing Basic knowledge of Foreign exchange products (vanilla/exotic options, fx cash) ( training will be given) Qualifications: Computer Science related degree preferred At least 3 years experience in a comparable development role. The Client is based in the City of London. The rate will be in the range £450 per day to £600 per day. The duration of this contract will be 12 months. Please do send your CV to us in Word format along with your salary/rate and availability.
Contractor

Contractor job
Lead Software Developer with Dot Net SQL Server and Azure

Nexus Jobs Limited
Published on

£350-450
Victoria, England, United Kingdom
C# .net Lead Software Developer with SQL and Azure Our Client is an international company who are looking to recruit a Lead Software Developer with Dot net technology coupled with SQL Server and Azure and Devops. You must have at least 5 years solid expertise in software engineering using .net Core. The following are the key skills that the Client will require: Proficient in .Net Core, ASP.Net Core. C#, WPF, Web API, WCF, SQL Server (T-SQL), PowerShell, HTML, JavaScript Should have working knowledge on Azure Service Bus and Rabbit MQ Proficient in CI/CD and release management using Azure pipeline (Infrastructure as Code using ARM templates). Should have experience in the implementation of microservice/micro database projects. Good working knowledge of Azure cloud services and moving on-prem applications to the Cloud. Should have good knowledge of PowerShell, Reporting Services (SSRS) Good knowledge about Containerization (Kubernetes/Docker). The duration of this assignment will be between 6 to 12 months. The position will be based in Victoria London albeit remote for the next few weeks. Please do send your CV to us in Word format along with your daily rate and availability.
Permanent

Job Vacancy
Senior Java Software Engineer

█ █ █ █ █ █ █
Published on
Elasticsearch
Hadoop
Java

London, England, United Kingdom

Imported from

Job from the tech market, identified automatically to give you a complete view of the opportunities.

Restricted access to the community

Join our platform to access the details of this job and get access to the best offers on the market.

Permanent

Job Vacancy
Backend Software Engineer (Remote)

█ █ █ █ █ █ █
Published on
Java
Python

United Kingdom

Imported from

Job from the tech market, identified automatically to give you a complete view of the opportunities.

Restricted access to the community

Join our platform to access the details of this job and get access to the best offers on the market.

Submit your CV

  • Manage your visibility

    Salary, remote work... Define all the criteria that are important to you.

  • Get discovered

    Recruiters come directly to look for their future hires in our CV library.

  • Join a community

    Connect with like-minded tech and IT professionals on a daily basis through our forum.

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!
114 results

Contracts

Contractor Permanent

Location

Remote type

Hybrid Remote On-site

Rate minimum.

£150 £1300 and more

Salary minimum

£20k £250k

Experience

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

Date posted

Connecting Tech-Talent

Free-Work, THE platform for all IT professionals.

Free-workers
Resources
About
Recruiters area
2026 © Free-Work / AGSI SAS
Follow us