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.

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Job VacancyDevelopment API Python/Angular

R&S TELECOM
Published on
Microsoft Access

12 months
40k-48k ¤
400-480 ¤
Ile-de-France, France
Contexte de la missionDans le cadre de sa stratégie Public Cloud, l'organisation a adopté deux principes majeurs : SaaS First : pour les besoins courants, privilégier une solution SaaS lorsqu'elle répond aux attentes métier et fonctionnelles. Cloud Native : pour les développements spécifiques, concevoir les applications directement dans le Cloud en s'appuyant sur les services proposés par les fournisseurs de Cloud public. L'activité de Design & Legal Assessment (DLA) a pour objectif de contribuer à la construction d'un système d'information performant, agile, sécurisé et évolutif, en veillant à ce que les nouvelles solutions, ainsi que les solutions faisant l'objet d'un renouvellement, respectent notamment les principes suivants : Platform Agnostic Web & Mobile avec un design responsive Secure by Design Capacité à exposer les données et fonctionnalités via des interfaces uniformes / API Optimisation de la consommation des ressources Utilisation d'une infrastructure alimentée par des énergies renouvelables Conformité au RGPD Le processus de Design & Legal Assessment permet ainsi de limiter l'obsolescence du système d'information et de contribuer à la mise en place d'un paysage applicatif robuste, sécurisé et scalable. Initialement appliqué au niveau central, le processus est progressivement déployé à l'échelle internationale. L'élargissement continu du périmètre d'évaluation, notamment sur les aspects sécurité, architecture et conformité légale, entraîne une augmentation constante du nombre de dossiers à traiter. Afin de soutenir ce processus, une application web complète de type DLA as a Service a été développée et hébergée dans un environnement Google Cloud Platform (GCP), avec notamment App Engine et Firebase. L'application repose sur une architecture utilisant Angular pour le frontend et Python/Flask pour le backend. Objectifs et livrablesConcevoir et implémenter de nouvelles fonctionnalités en mode Agile. Intégrer des applications et services tiers via des API REST. Concevoir et développer des API REST consommables par les outils internes. Participer à l'évolution et à la maintenance de l'application. Contribuer à l'amélioration de l'architecture et des performances de la solution. Déployer et exploiter les fonctionnalités dans un environnement Google Cloud Platform. Compétences techniques requisesAPI REST Node.js JavaScript / TypeScript Angular Python / Flask HTML / CSS Shell / Bash Google App Engine Google Cloud Firebase Google Cloud Platform (GCP) Google Cloud Workflows Google Cloud Functions
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Job VacancyDéveloppeur Java expérimenté chez CATS à Lyon squad AVAP (BPM002985)

Deodis
Published on
J2EE / Java EE

36 months
40k-50k €
400-420 €
Lyon, Auvergne-Rhône-Alpes
Développeur Java expérimenté chez CATS à Lyon squad AVAP (BPM002985) Tâches Concevoir et développer des solutions open robustes, maintenables, sécurisée en respectant les pattern applicatifs CATS. Analyser et maintenir des solutions logicielles complexes. Promouvoir les bonnes pratiques. Etre garant de la qualité logicielle. Intervenir sur les phases de RUN : programmes, transferts. Mettre à jour les fiches de consignes liés au fonctionnement Rédaction de documentations techniques (conception, DEX, ...) Contexte Au sein de la tribu Crédits Agri-Pro Entreprises, nous recherchons un développeur open sur le périmètre de l'avant-vente Agri Pro. Avec les équipiers de la squad (PO, SM, BA et équipes IT), vous répondez aux besoins métier, en concevant et fabriquant des solutions robustes et efficientes, à moindre risques et dans le respect des coûts et des jalons de fabrication (TTM, ROI). Attendu Capacité d'analyse des besoins, de formalisation et de transformation en solution. Capacité de travail en équipe avec différents profils d'acteurs (utilisateurs en CR, IT, architectes, ...) Autonomie et force de proposition : La personne doit pouvoir prendre en charge des sujets nouveaux nécessitant une démarche spécifique d'ouverture et de cadrage. Communication. Rigueur et méthodologie : analyse, conception, documentation, développement, tests Une connaissance du métier crédit et bancaire est un plus. Stack Analyse et conception technique Développement Java Rédaction de documentation technique Gestion du RUN Partage de bonne pratiques de développements Bonne communication Travail en équipe Rigueur Force de proposition
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Job VacancyiOS Developer - Contract

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Glasgow, Scotland, United Kingdom

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Job VacancyHead of Software Development

Nexus Jobs Limited
Published on

£75k-100k
London, England, United Kingdom
Head of Software Development with MS SQL Server The Head of Software Development for a Bank is responsible for leading the development and delivery of software solutions that support the bank's private banking operations. This includes managing core banking systems, Treasury systems, Finance systems, and ensuring the efficient operation of Equation and SQL Server environments. The Client would like to see at least 7 to 10 years expertise in working with and developing applications using SQL Server, SSIS and SSRS and if possible some experience with C# .Net You will be working with and using MS SQL Server and SSIS for reporting purposes at this bank. The role involves strategic leadership, project management, and close collaboration with stakeholders to align technology initiatives with business objectives. Key Responsibilities: Strategic Leadership: Develop and implement the software delivery strategy for the private banking division, ensuring alignment with the bank's business goals. Lead the adoption and integration of best practices for software development, deployment, and maintenance within the context of private banking operations. Stay abreast of emerging technologies and methodologies to enhance the bank's software delivery capabilities, particularly in core banking and financial systems. Project Management: Oversee the planning, execution, and delivery of software projects related to core banking, Treasury systems, Finance systems, and Equation. Ensure projects are delivered on time, within scope, and within budget, managing risks, dependencies, and resource allocation effectively. Team Management: Lead, mentor, and manage a team of software developers, project managers, and QA engineers specializing in private banking systems. Foster a culture of collaboration, innovation, and continuous improvement within the team. Conduct performance reviews, identify training needs, and support career development for team members. Stakeholder Collaboration: Work closely with business units, product owners, and other stakeholders in private banking to understand their requirements and priorities. Ensure effective communication and alignment between development teams and stakeholders. Provide regular updates on project status, risks, and outcomes to senior management. Quality Assurance: Implement robust testing frameworks and quality assurance processes to ensure the delivery of high-quality software solutions for private banking. Monitor and improve software performance, reliability, and security, particularly in core banking and financial systems. Process Improvement: Continuously analyze and improve software delivery processes to increase efficiency and effectiveness, with a focus on core banking and finance systems. Implement and refine agile methodologies, DevOps practices, and CI/CD pipelines tailored to private banking needs. Vendor Management: Manage relationships with external vendors and service providers, ensuring they meet the bank's standards and requirements. Negotiate contracts and oversee vendor deliverables related to private banking systems. Qualifications: Education: Bachelor's or Master's degree in Computer Science, Software Engineering, Finance, or a related field. Experience: Minimum of 10 years of experience in software development including MS SQL Server with SSIS, with at least 5 years in a leadership role within banking or financial services. Proven track record of managing large-scale software delivery projects in core banking, Treasury systems, and finance systems. Experience with Equation and SQL Server environments. Technical Skills: Strong knowledge of software development methodologies (e.g., Agile, Scrum, DevOps). Proficiency in programming languages (e.g., Java, C#, Python) and software development tools. Experience with core banking systems (e.g., Equation), Treasury systems, and finance systems. Proficiency in SQL Server and database management. Familiarity with cloud technologies (e.g., AWS, Azure, Google Cloud) is a plus. Leadership Skills: Excellent leadership and team management skills. Strong problem-solving and decision-making abilities. Exceptional communication and interpersonal skills. Certifications: Relevant certifications (e.g., PMP, Scrum Master, ITIL) are a plus. Why Join Us: Impact: Play a pivotal role in driving the bank's digital transformation and innovation in private banking. Growth: Opportunity for professional growth and development in a dynamic and supportive environment. Culture: Join a collaborative team committed to excellence and continuous improvement. The position will be based in Central London at least 3 days week in the office. The salary for this position is circa £75K - £100K. Interested candidates are invited to submit their resume and cover letter detailing their relevant experience and qualifications. Do send your CV to us in Word format along with your salary and notice period.
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Contractor jobAI developer

PARTECK INGENIERIE
Published on
AI
Python

12 months
400-670 €
Paris, France
Contexte du posteLe Centre d'Excellence Opérationnelle AI recherche un AI Développeur au profil Data Scientist, orienté davantage vers l'exploration et la valorisation de la donnée que vers la modélisation mathématique avancée, pour concevoir des solutions d'IA appliquées et accompagner les équipes techniques dans leur mise en œuvre opérationnelle. Missions principalesExplorer, nettoyer et préparer les données nécessaires aux cas d'usage AI (data wrangling, feature engineering) Concevoir et évaluer des modèles d'IA/ML adaptés aux besoins métiers, en s'appuyant prioritairement sur des modèles et outils existants plutôt que sur du développement mathématique poussé Expérimenter des solutions à base d'IA générative (prompt engineering, RAG, fine-tuning léger) pour répondre à des cas d'usage métiers concrets Réaliser des preuves de concept (POC) et accompagner leur passage à l'échelle avec les développeurs Python Analyser et interpréter les résultats des modèles, produire des restitutions compréhensibles pour les métiers Collaborer avec les développeurs Python AI pour l'industrialisation des modèles et pipelines Contribuer à la démarche de qualité et de fiabilité des données utilisées dans les cas d'usage AI Profil recherchéFormation : Bac+5, formation data science, statistiques appliquées ou informatique Expérience : 3 à 6 ans d'expérience en data science ou en développement de solutions IA, avec une orientation pratique/applicative plutôt que théorique/mathématique Compétences techniques : Bonne maîtrise de Python pour la data science (Pandas, scikit-learn, Jupyter) Connaissance des principes fondamentaux du machine learning (sans nécessiter une expertise mathématique/statistique poussée) Expérience avec les outils d'IA générative (LLM, RAG, prompt engineering) et leur application à des cas d'usage métiers Capacité à manipuler et interroger des bases de données (SQL) Notions de visualisation de données (Power BI, Tableau, matplotlib/plotly) Connaissances de base en MLOps pour collaborer efficacement avec les développeurs Compétences comportementales : Sens pratique et orientation résultats/valeur métier Bonne capacité de vulgarisation auprès de publics non techniques Curiosité et appétence pour l'expérimentation autour de l'IA générative Esprit collaboratif, notamment avec les profils développeurs et architectes Anglais obligatoire
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Job VacancyBusiness Development Director (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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Job VacancyTechnical Lead (Software Development)

CGI
Published on

United Kingdom
At CGI, you'll lead the engineering direction of digital services that help citizens, legal professionals and government access justice through modern technology. Working across the one of our key UK Government Department programmes, you'll influence the delivery of secure, resilient and scalable services while mentoring technical leaders and driving engineering excellence. You'll play a pivotal role in shaping how emerging AI capabilities are responsibly introduced to enhance software delivery and service outcomes, collaborating with multidisciplinary teams to solve complex challenges while developing your own career within one of the UK's leading technology consultancies. 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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Job VacancyFront End Developer (Angular)

CGI
Published on

Leatherhead, England, United Kingdom
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 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. 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 a hybrid position, working out of our site in Leatherhead.
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Contractor jobMaximo Developers/Testers/Specialists

LA International Computer Consultants Ltd
Published on

8 months
South Derbyshire, England, United Kingdom
Maximo Developer 1. Maximo 7.6/9.x customisation experience 2. Java and automation scripting 3. Upgrade remediation skills 4. Integration development 5. Unit testing and debugging Maximo Testing and Training 1. Test strategy development 2. Functional/system/UAT support 3. Training development and delivery 4. Defect management 5. Upgrade validation processes Maximo Aviation Install Specialist MAS 1. MAS 9.2 installation and configuration 2. Maximo Aviation domain knowledge 3. OpenShift deployment experience 4. DB2 integration understanding 5. Upgrade/remediation troubleshooting 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. A multiple award-winning organisation, having secured the prestigious Queens Award for Enterprise: International Trade over consecutive 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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Contractor jobMicrosoft Power Platform Developer

Signe +
Published on
AI Agent
Python
React

1 year
400-500 €
Toulouse, Occitania
Contexte : La mission principale vise à concevoir, développer et industrialiser des solutions digitales innovantes en s'appuyant sur les technologies d'Intelligence Artificielle et les outils de développement augmentés tels que GitHub Copilot, Microsoft Copilot, Azure AI et la Power Platform. Environnement : • 400 utilisateurs, Windows workstation 11, M365 • Serveurs applicatifs hébergés dans le cloud Azure • Multi-sites Description de la mission : La mission principale consistera à concevoir, développer, industrialiser et maintenir des solutions numériques à forte valeur ajoutée pour les métiers, en mobilisant les technologies Microsoft 365, Azure, Power Platform, IA générative et automatisation. Cette activité de développement et d'innovation représentera environ 70 % de la mission. Les activités principales seront : • Le recueil et la qualification des besoins métiers, la conception fonctionnelle et technique des solutions, ainsi que la priorisation des développements selon la valeur attendue. • Le développement Full Stack d'applications, d'automatisations, de connecteurs, d'agents IA ou de composants Power Platform, dans une logique d'industrialisation, de sécurité et de maintenabilité. • L'intégration des outils d'IA générative et de développement augmenté afin d'accélérer les cycles de réalisation, améliorer la qualité du code et favoriser l'innovation continue. • La mise en production, la documentation, l'accompagnement des utilisateurs et le transfert de compétences vers les équipes internes. En complément, le prestataire consacrera environ 30 % de son activité au maintien en condition opérationnelle des services existants. Cette part de RUN n'est pas l'activité principale de la mission, mais elle demeure un volet essentiel pour sécuriser la continuité opérationnelle, préserver la qualité de service auprès des utilisateurs et garantir la stabilité des solutions déjà déployées au sein de SHEM
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Contractor jobDataStage Developer / ETL DevOps Senior

STHREE SAS
Published on

12 months
75001, France
🚀 DataStage Developer / ETL DevOps Senior (H/F)📍 Paris (mode hybride, 1 jour/semaine sur site) 📅 Démarrage : ASAP 🗣️ Anglais professionnel obligatoire ContexteDans le cadre d'un programme stratégique de gestion et d'intégration de données, nous recherchons un(e) DataStage Developer / ETL DevOps Senior pour rejoindre une équipe Agile internationale. Vous interviendrez sur l'ensemble du cycle de vie des traitements de données : analyse, développement, tests, déploiement, support et amélioration continue. Vos missionsParticiper aux analyses fonctionnelles et techniques Concevoir, développer et maintenir des flux ETL sous IBM DataStage Développer et optimiser des requêtes SQL et scripts Shell Participer à la modélisation et à l'intégration des données Réaliser les tests unitaires et d'intégration Assurer la qualité, la performance et la documentation des solutions Accompagner les mises en production et le support RUN Participer aux cérémonies Agile (Scrum) Collaborer avec les équipes métiers, production et développement Contribuer aux initiatives d'amélioration continue Profil recherchéCompétences indispensables✅ IBM DataStage (expert) ✅ SQL avancé ✅ Linux / Shell Scripting ✅ Expérience ETL / Intégration de données ✅ Méthodologie Agile / Scrum ✅ Anglais professionnel Atouts⭐ Expérience secteur Banque / Finance ⭐ Connaissance des environnements réglementaires et de production critiques ⭐ Expérience DevOps et industrialisation des déploiements Environnement techniqueIBM DataStage SQL Oracle / DB relationnelles Linux / Unix Shell Scripting Ordonnancement et traitements batch Agile Scrum
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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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