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.

1,063 results
Permanent

Job VacancyBusiness Development Manager

Rise Technical Recruitment Ltd
Published on

HP1 1QG, Dacorum, England, United Kingdom
Business Development Manager Hemel Hempstead Competitive Salary + 10% KPI Bonus + 35 Days Holiday + Pension + Benefits Are you a commercially driven Business Development Manager with experience in PCS, BESS or related energy technologies, looking to play a key role in accelerating the energy transition while driving strategic growth across a rapidly expanding global technology business? This is an excellent opportunity to join an international leader in power electronics, renewable energy and energy storage solutions. You will be responsible for identifying and developing new business opportunities across the BESS market, building long-term customer relationships and helping shape market growth strategies. In this role, you will work closely with customers, partners and internal stakeholders to understand technical and commercial requirements, develop compelling business cases and convert opportunities into commercial success. You will also monitor market trends and competitor activity to strengthen market positioning and support future expansion. The ideal candidate will have previous B2B business development or sales experience within the energy sector, with knowledge of PCS, BESS or associated electrical technologies. You will be commercially focused, highly proactive and comfortable engaging with customers at both technical and strategic levels. The Role: Drive new business development activities within the PCS and BESS market Build and maintain strong relationships with customers and industry partners Develop commercial proposals, business cases and growth strategies Monitor market trends, competitor activity and customer requirements Support market expansion and revenue growth initiatives The Person: Experience in B2B sales or business development Background in PCS, BESS, energy storage or related electrical technologies Strong commercial awareness and relationship-building skills Motivated, proactive and target-driven approach Reference Number: Rise Technical Recruitment Ltd acts an employment agency for permanent roles and an employment business for temporary roles. The salary advertised is the bracket available for this position. The actual salary paid will be dependent on your level of experience, qualifications and skill set and will be decided by our client, the employer. Rise are not responsible or liable for any hiring decisions made by the end client. We are an equal opportunities company and welcome applications from all suitable candidates.
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Fixed term

Job VacancyData Warehouse Developer (Datastage)

LA International Computer Consultants Ltd
Published on

7 months
SW1A 2AH, City of Westminster, England, United Kingdom
Job title: Data Warehouse Developer (Datastage) Contract: 12 Months Location: Remote Clearance: Active SC Clearance or candidates must be eligible and willing to obtain SC Clearance. IR35: Inside Overview We are seeking an experienced Data Warehouse Developer to support a major consulting-led digital transformation programme for a UK Public Sector Government client. The successful contractor will play a key role in the design, development, and maintenance of data warehouse and data engineering solutions, ensuring the efficient integration, transformation, and management of large-scale data sets within a secure environment. Key Responsibilities * Design, develop, and support enterprise-scale data warehouse solutions. * Build, maintain, and optimise ETL processes for data extraction, transformation, and loading. * Develop and enhance data integration workflows using IBM DataStage. * Work with Oracle databases to manage, query, and optimise data structures and performance. * Collaborate with technical and business stakeholders to deliver high-quality data solutions. * Troubleshoot and resolve data quality, performance, and integration issues. * Ensure all development activities comply with security and governance requirements. Essential Skills & Experience * Strong experience in Data Warehouse Development and Data Engineering. * Proven expertise in ETL development and data integration methodologies. * Hands-on experience with IBM DataStage. * Strong knowledge of Oracle Database technologies. * Experience working on complex data migration, integration, or transformation projects. Desirable Skills * Experience working within secure, highly regulated, or government environments. * Previous Public Sector or Government project experience. * Knowledge of data governance, security, and compliance standards 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 10 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.
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Permanent

Job VacancyC# .net Developer – Insurance

Nexus Jobs Limited
Published on

£45k-50k
City of London, England, United Kingdom
C# .net Developer – Insurance Our Client is an insurance underwriter in the City of London. They are now looking to grow their software development team and are looking to recruit a C# .net Software Developer. You will have at least 5 to 7 years expertise in developing complex software with C#. A strong mathematical background would be advantageous but not required. Must have excellent communication and interpersonal skills. Expert in C# Development coupled with Java/jQuery Web development Web API, CSS. You will have solid SQL Server experience (stored procedures, table design and some maintenance). Microsoft Office including VBA and advanced skills in Excel and HTML/IIS. Develop and support applications using Visual Studio and other Products where appropriate. Provide support for Microsoft Office Applications along with design and build reports for our SharePoint Applications. The ideal candidate will have a drive to succeed, take part in IT strategy and work in a technology rich and agile environment. The developer will be part of a small team with responsibilities for ensuring the business has full support regarding IT systems. Key aspects of the role will be to: Initiate and promote improvements to MI and analysis Analyse requirements and provide the most suitable solution using the most appropriate technology. Document/support and upgrade a wide range of internal applications/processes As this is a small team, you will need to be flexible in your approach, as you will have primary responsibility for some specific systems but will need to be aware of the overall system. Ability to produce ad hoc reporting and analysis of information in the Data Warehouse Work both as part of a team and under your own initiative Communicate with all areas of the business, at all levels The Client uses Windows Servers and virtualised Windows Clients, with Microsoft office products (Word, Excel, Access, PowerPoint etc.). Additionally they use Office 365 for email, Microsoft SQL Server for our main databases and SharePoint for our intranet. For underwriting the Client uses (Eclipse) and for Accounts (Sun), and a number of other smaller applications for specific jobs, such as RMS for Modelling and Remetrica for Actuarial function. The salary for this role will be up to £50K – for the right candidate maybe slightly higher for exceptional candidates. The Client will consider someone junior with an ability to learn and hit the ground running at £25K - £30K. You will have a 2:1 in maths or computer science, or similar. The company is based in the City of London. Please send your CV to us in Word format along with your salary and availability.
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Contractor

Contractor job[MDO] Développeur Fullstack - Industrie

ISUPPLIER
Published on
CI/CD
Java
Kotlin

16 months
330-400 €
Vélizy-Villacoublay, Ile-de-France
Missions : Développement de nouvelles fonctionnalités Concevoir et implémenter de nouvelles fonctionnalités (frontend et backend) pour les utilisateurs de la solution Améliorer l'intégration avec le système PDM, les bases de données de composants Garantir la cohérence de bout en bout entre l'interface, le backend et les systèmes externes Intégration & interopérabilité Maintenir et faire évoluer les intégrations avec nos solutions logicielles : Electronique Mécanique Thermique PDM Gérer les flux de données, les interactions API et la gestion des erreurs Contribuer à la définition des contrats d'interface et des mécanismes d'échange Qualité & maintenabilité Appliquer les bonnes pratiques (Clean Code, revues de code) Contribuer à l'amélioration de l'architecture (modularité, évolutivité) Écrire et maintenir des tests unitaires et d'intégration Performance & fiabilité Analyser et corriger les problèmes de performance (frontend et backend) Garantir la robustesse des traitements asynchrones et des interactions avec les systèmes externes Améliorer la stabilité globale de l'application Collaboration & pratiques Agile Participer aux cérémonies Agile (planning, daily, review, rétrospective) Collaborer avec des équipes pluridisciplinaires (développeurs, architectes, experts métier) Contribuer à l'amélioration continue des pratiques de développement
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Permanent

Job VacancyIngénieur.e Commercial.e Confirmé.e (Intégrateur Infrastructure - Alpes Maritimes)

SYAGE
Published on
Business Development

Nice, Provence-Alpes-Côte d'Azur
Contexte : Vous rejoignez un Intégrateur Infrastructure qui intervient sur des projets stratégiques au sein des clients : de la préconisation, en passant par la mise en œuvre des solutions infrastructures jusqu'au support de haut niveau et services managés. Vous représentez une société reconnue pour sa proximité, sa transparence et la qualité de son expertise technique. Objectifs : Rattaché(e) à notre siège d'Aix-en-Provence, vous vous appuyez sur nos clients historiques du territoire pour développer notre réseau de prospects et clients sur la région Alpes Maritimes et participer activement au développement et à la croissance de nos offres auprès de nos clients, prospects et partenaires. Les + du poste : Travailler chez un intégrateur, c'est promouvoir des solutions techniques « de haut niveau » et pouvoir développer une expertise sur certains produits Syage est une société formatrice qui vous fera profiter de sa réputation : vous aurez également l'occasion de collaborer avec une équipe d'experts reconnue pour ses compétences techniques en infrastructure chez les principales sociétés de la région mais aussi des constructeurs/éditeurs. Travailler dans une équipe soudée et sympa qui vous permettra aussi d'évoluer dans le futur, un poste où vous aurez également une autonomie Proposer des solutions « sur-mesure » au forfait et un large pannel de solutions à vos clients : Intégration/Services Managés/Recrutement. Vos missions : Prospecter de nouveaux clients ou faire connaître l'entreprise auprès de votre réseau déjà acquis Participer au développement des comptes existants et amener des actions de fidélisation Contribuer aux propositions commerciales en collaboration avec les équipes techniques Assurer le suivi client pour garantir la qualité de nos relations Être force de proposition dans la promotion et l'approche de nos différentes offres auprès des prospects / clients : projet d'architecture et d'intégration de bout en bout, projet au forfait (services managés), recrutements, délégation de freelances…
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Contractor

Contractor jobSungard's Front Arena Application Developer

Nexus Jobs Limited
Published on

£500-750
London, England, United Kingdom
Front Arena Developer Our Client is looking to recruit several Sungard's Front Arena Developers/Consultants You will have at least 3 to 5 years solid back ground of working with Sungard's or FIS Global's Front Arena product. The role is to develop and support Front Arena applications through extending and integrating the core Front Architecture. SPECIFIC RESPONSIBILITIES: Develop highly visible applications within Front Arena. Design and develop integrations with other trading and back office applications. Support Trading Manager and the applications that utilize its output e.g. overnight risk/scenarios and Mark-to-Market. Provide occasional support for other Front Arena developed applications. Actively contribute in gaining application and business knowledge for the development team. The following skills and experience are considered essential for this role: Deep understanding of Front Arena and its programming languages: ADFL, ACM. AEL, ASQL and Python. Knowledge of Front Arena Architecture and components: ADS, ATS and Service Bus. Must be able to liaise and clearly communicate with colleagues. Experience of interacting with end users in the financial industry. Ability to work independently and solve business problems through own initiative. Ability to work in a fast changing environment Desirable skills/experience: Experience of the Front Arena 4 track. Experience of custom model integration. Experience of other Trading Systems. MS SQL Knowledge of Financial Derivatives This is a 6 month contract based in London. Do send your CV to us in Word format along with your daily rate and availability.
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Permanent

Job VacancyBackend Software Developer with C# and Umbraco

Nexus Jobs Limited
Published on

£55k-70k
United Kingdom
Backend Developer (Umbraco) - Senior-level 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 Benefits Company pension Performance-related bonus Generous holiday concessions Friend and family discounts on Travel holidays Educationals – trips for staff to get to know and understand our destinations 'Cycle to work' scheme The salary for this role will be in the range £55K to £65K 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.
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Permanent

Job VacancySenior Python Developer

█ █ █ ██ █ █
Published on
Angular
AngularJS
Apache Kafka

£57,500-72k
L1 0AX, Liverpool, England, United Kingdom

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Permanent

Job VacancyBusiness Development Director – Defence & Nuclear

CGI
Published on

United Kingdom
CGI is driving digital transformation across the UK's Defence Nuclear Enterprise, helping organisations strengthen operational resilience, embrace innovation and deliver critical national defence capabilities. As Business Development Director, you will play a pivotal role in expanding our presence in this strategically important market, shaping high-value opportunities and building trusted partnerships across defence and nuclear organisations. You will have the autonomy to develop ambitious growth strategies, bring creative solutions to complex challenges and influence the future of secure digital services. Working alongside a collaborative network of industry experts, you will be empowered to turn strategic opportunities into lasting client relationships, profitable growth and meaningful outcomes for the UK's defence community. 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 VacancyLead Developer Data H/F

HAYS France
Published on

Rennes, Brittany
À la fois référent technique, manager et chef de projet, vous intervenez notamment sur les sujets suivants :Définir et faire évoluer l'architecture Data : ingestion, stockage, modélisation et exposition des données. Participer à la transformation de la plateforme actuelle et accompagner les réflexions autour des environnements Cloud Azure et Microsoft Fabric. Encadrer techniquement un Data Engineer et piloter plusieurs ressources externes. Organiser et prioriser les activités de l'équipe, accompagner sa montée en compétences et garantir la qualité des développements. Challenger les prestataires externes, aussi bien sur les choix techniques que sur la qualité des livrables, les délais et les coûts. Superviser le développement et l'industrialisation des pipelines et modèles de données. Garantir les bonnes pratiques en matière de qualité de code, tests, performance, documentation et maintenabilité. Intervenir sur les problématiques de qualité et de gouvernance de la donnée. Jouer le rôle d'interface entre les équipes techniques et les métiers, avec une réelle capacité à vulgariser les problématiques Data auprès d'interlocuteurs non techniques. Participer aux futurs projets du groupe autour de l'Intelligence Artificielle, notamment sur des réflexions liées aux agents IA. Vous évoluez notamment autour des technologies et concepts suivants :Python, SQL, ETL/ELT, Talend, SSIS, Azure, Data Warehouse, Data Lake, modélisation en étoile, orchestration, DevOps, BI et Microsoft Fabric. La maîtrise de l'ensemble de cette stack n'est pas indispensable. Le groupe recherche avant tout une personne disposant d'un socle Data Engineering solide, capable de prendre du recul sur l'architecture et de challenger les solutions existantes.
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Contractor

Contractor jobSenior Netsuite Developer with Javascript and SQL

Nexus Jobs Limited
Published on

£350-500
Holborn, England, United Kingdom
Senior Netsuite Developer Our Client is a leading company who are looking to recruit a Senior Netsuite Developer with Javascript and SQL with extensive Netsuite OneWorld expertise. You will have a degree in Computer Sciences or equivalent certifications. Must have technical working knowledge of NetSuite OneWorld Financials platform, including relevant NetSuite certifications. Ideally have at least 5 to 7 years experience of developing in Javascript and Oracle SQL in order to develop applications for Netsuite including a minimum 5 years in NetSuite OneWorld. Experience of full software delivery lifecycle including capturing business requirements, developing solutions, user testing & training, post go-live support and optimisation. Experience of integrating Finance packages with other strategic solutions including CRM and eCommerce platforms. Must be a creative thinker, with the ability to proactively identify areas for potential improvement (process and functionality). Have the ability lead initiatives and solution enhancements. With confidence and judgement to plan and accomplish goals. Ability to translate business/operational requirements into effective and efficient systems solutions. Experience to manage conflicting priorities/complex workload. You must have extensive experience of all NetSuite financial modules is essential, as is their interfacing with other platforms. The Client has offices in Holborn London. Please send your CV to us in Word format along with your rate along with your availability.
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Permanent

Job VacancyC# .NET Software Developer with FX

Nexus Jobs Limited
Published on

£50k-60k
City of London, England, United Kingdom
C# .NET Software Developer with FX 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 trach record of developing with C# .NET ideally with some understanding FX projects. 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 years experience 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 £50K - £60K. Please do send your CV to us in Word format along with your salary and availability.
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Contractor
Permanent

Job VacancySoftware Engineer GenAI – SDLC / IA générative

ematiss
Published on
Agile Method
Software Development LifeCycle (SDLC)

3 years
40k-45k €
150-450 €
Clermont-Ferrand, Auvergne-Rhône-Alpes
Description: Au sein de la Squad « Software Engineering Experience augmented with IA» du domaine Software Engineering Experience constituée actuellement de 3 experts techniques. Contexte Dans le cadre d'un programme stratégique autour de l'IA générative, nous recherchons un Software Engineer expert en GenAI. Vous contribuerez à la conception et à l'industrialisation de solutions GenAI à forte visibilité, en étroite collaboration avec les équipes innovation, data et IT du client. Périmètre : SDLC. Missions • Concevoir et développer des applications intégrant des LLM (RAG, embeddings, agents). • Participer à la définition d'architectures GenAI robustes et scalables. • Implémenter APIs, microservices et pipelines d'IA dans un environnement cloud industriel. • Accompagner les équipes du client : cadrage, expertise, audit technique, bonnes pratiques. • Garantir la qualité, la sécurité et la conformité des solutions déployées (gouvernance, risques, observabilité). N/A (travail en mode agile) • Compétences techniques / outils à maîtriser : Solide expérience en développement backend (Python/Node/Java). • Maîtrise des frameworks GenAI (LangChain, LlamaIndex, Hugging Face, OpenAI API). • Connaissance d'un cloud majeur (Azure, AWS ou GCP) et des environnements industriels exigeants. • Capacité à intervenir en contexte grand groupe : rigueur, communication claire, sens du service. • Expérience en RAG, vector databases et déploiements MLOps appréciée. Compétences fonctionnelles requises (connaissances métier, etc.) : o Respect des règles et rituels de l'équipe (mode Agile), et participation à la réflexion continue sur son organisation afin d'en améliorer l'efficacité. o Participation aux estimations de charge des sujets / tâches listés dans la backlog, en les challengeant si nécessaire. o Participation au choix et à l'affectation des sujets / tâches traités dans les sprints Agile à court terme, dans une perspective de livraison incrémentale de fonctionnalités à rythme régulier, et de mise à niveau régulière des composants et outils (Evergreen). Compétences comportementales : Présence souhaitée : • Présence sur site : oui - Clermont Ferrand • Travail en distanciel possible : possible (2 jours maximum) Langue et niveau : Un bon niveau d'anglais est indispensable, les membres de l'équipe pouvant être situés en Europe et / ou Asie et / ou Amérique(s).
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Permanent

Job VacancyBusiness Development Manager (Maritime)

CGI
Published on

United Kingdom
The Space, Defence and Intelligence (SDI) 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 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 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. As a Business Development Manager at CGI, you will play a pivotal role in identifying, qualifying, developing, and securing new business opportunities for CGI OpenSea360 and other maritime related areas. Working closely with the leadership team in maritime and wider SDI, you will execute strategies that drive growth across both public and private sector clients. This role will primarily be based at our Chippenham office, however there will be regular travel to client site across the UK and abroad. Due to the secure nature of the programme, you will need to hold UK Security Clearance.
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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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