Full Stack Java Developer (H/F)

Sopra Steria is seeking a Java Full Stack Developer to join its team in Paris, focusing on projects within the financial services sector. This position centers on building and maintaining applications that support the changing requirements of clients in finance. Role overview This role involves contributing to the design and development of software solutions using Java and related technologies. Projects aim to address real-world challenges faced by financial institutions. What you will do Develop and enhance full stack applications for financial services clients Collaborate with team members to deliver solutions that align with client needs Apply technical expertise to ensure applications are reliable and effective Requirements Experience with Java development Ability to work on both front-end and back-end components Interest in financial services projects Based in or able to work in Paris, Île-de-France

Sopra Steria is looking for a Tech Lead with strong experience in Java and Angular to support technology projects in the financial services sector. Based in Paris, this position centers on guiding teams as they build and improve solutions for clients in finance. Role overview This Tech Lead role involves working closely with cross-functional teams to deliver technology that supports client operations. The position requires a hands-on approach to both technical leadership and team collaboration. What you will do Guide the development of technology solutions using Java and Angular Mentor junior developers and share technical expertise Work with teams from different disciplines to reach project goals Promote best practices throughout the development lifecycle Help shape technical direction for ongoing and future projects Requirements Strong background in Java and Angular development Experience leading or mentoring software engineers Ability to collaborate effectively with cross-functional teams Familiarity with the financial services sector is a plus

Role Overview Sopra Steria is hiring an Expert Java Developer to join the financial services team in Paris. This position focuses on designing and building software that addresses the complex requirements of clients in the financial sector. What You Will Do Lead major software projects using Java technologies Work closely with colleagues from different disciplines Develop solutions tailored to financial services clients About the Team Based in Paris, the team values collaboration and technical excellence. The work environment encourages sharing ideas and solving challenging problems together.

Join Sopra Steria, a leading player in digital transformation, as an Expert Developer specializing in Java Fullstack technologies within the Financial Services sector. You will be pivotal in delivering innovative solutions and enhancing our client’s technological capabilities. Your expertise in Java, frontend technologies, and frameworks will contribute to dynamic projects aimed at optimizing financial processes.

Role Overview Sopra Steria is looking for a Fullstack Java React Developer to join the team in Paris. This role focuses on building and maintaining applications for clients in the financial services sector. Projects aim to support digital transformation and improve user experiences. What You Will Do Work with cross-functional teams to design, develop, and maintain applications Use both front-end and back-end technologies to deliver software that meets client requirements Contribute to the development of solutions that support business goals in financial services Location This position is based in Paris, Île-de-France.

Sopra Steria is looking for a Business Analyst with a focus on Financial Services to join the Paris office in the Ile de France region. This position centers on understanding business needs within the financial sector and supporting the implementation of effective solutions. Role overview The Business Analyst will contribute to project delivery by analyzing requirements and working alongside teams from different disciplines. The work involves translating business objectives into actionable plans and helping to optimize financial processes. Key responsibilities Analyze business needs in financial services projects Support the implementation of solutions that address client requirements Work with cross-functional teams to ensure smooth project execution Help identify opportunities to improve and streamline financial processes Collaboration This role involves regular interaction with colleagues from various backgrounds, encouraging the exchange of ideas and driving innovation in financial services projects.

Join Margo Group as a Full Stack Developer specializing in Java and React. We are seeking a talented and motivated individual to contribute to our innovative projects and help shape the future of our tech solutions. As part of our team, you will work closely with designers and product managers to refine our offerings and deliver high-quality software solutions.

Your Responsibilities :As a Java JEE Developer / Software Engineer (H/F), you will collaborate with an agile team to drive back-end or full-stack development for one of our esteemed clients, focusing on:Analyzing architecture to ensure improvements meet expectations.Developing analytical tools for delivered components.Creating new features on a new platform compatible with current architecture.Automating testing procedures.Additionally, you will be involved in:User demonstrations.Integration testing.Production delivery (coordinating with infrastructure and security teams).Web and server development (NGINX, Apache, Tomcat, ...).Production and operational deployment procedures.Continuous integration (Jenkins, GitLab, Bitbucket, ...).Continuous deployment (Ansible, AWX, Octopus, GitLab, ...).Creating and participating in test cases.

Join Sopra Steria as a Tech Lead specializing in Java and Generative AI within the Financial Services sector. In this role, you will lead innovative projects, guiding a team of developers to harness the power of generative AI technologies. Your expertise will be crucial in shaping solutions that drive efficiency and enhance user experiences in financial applications.

En tant que Développeur Full Stack Junior chez everience, vous aurez l'opportunité de contribuer au développement d'applications web en utilisant des technologies modernes telles que Java et Angular.Vous collaborerez avec une équipe d'experts pour concevoir, développer et déployer des fonctionnalités innovantes qui répondent aux besoins des utilisateurs.Vos principales responsabilités incluront la participation aux phases de conception, le développement de nouvelles fonctionnalités, ainsi que la réalisation de tests unitaires et l'intégration continue. Vous aurez également l'occasion d'explorer d'autres technologies et outils en développement Full Stack.Missions :Contribuer à la conception et à la planification des fonctionnalités.Développer des fonctionnalités front-end et back-end à l'aide de Java et Angular.Participer aux tests unitaires et aux processus d'intégration continue.Collaborer avec l'équipe pour résoudre des problèmes et optimiser les performances.Maintenir une documentation claire et à jour sur le développement et les processus de déploiement.Rester informé des dernières tendances et évolutions technologiques.

Who are we?At MARGO, our consultants focus on what truly matters: tackling complex projects that combine intellectual challenges with real business impacts. We support major players in finance, industry, and technology in designing and developing high-performance software solutions, including distributed architectures, cloud platforms, real-time systems, and large-scale critical applications.Why join the Software Engineering Practice?You will be part of a team led by Paul Blois, Practice Manager at MARGO for five years. Working alongside them means benefiting from in-depth company knowledge, receiving close support for your career development, and contributing to demanding IT projects with significant impact for our clients.Your Responsibilities- Design, develop, and optimize a new web application for the reporting, tracking, and auditing of insiders (staff with access to sensitive information) for a major banking client.- Participate in defining and implementing a high-performing and scalable architecture.- Address performance optimization challenges in both front-end and back-end systems.- Ensure code quality, maintainability, and security of the solution.- Collaborate closely with product, security, and infrastructure teams for seamless integration.- Contribute to code reviews, continuous improvement, and the sharing of best practices.Languages: Java 17, TypeScriptAssociated frameworks and technologies: Spring Boot, Angular 12, Git, CI/CDChallenges: performance, response time optimization, robustness, and regulatory complianceDesired ProfileWe are looking for a full-stack developer who is passionate about real-time systems and interested in financial markets, eager to work in complex and high-performance environments.- Education level: Master’s degree (engineering school or university).- Strong skills in both back-end and front-end development, multithreading, performance optimization, and good development practices (SOLID, unit testing).- Experience in developing critical systems, real-time data stream processing; experience in finance is a plus.- Ability to solve complex technical problems.

Join our innovative team at myjobcompany1 as a Full Stack Web Developer. In this role, you will be responsible for designing and implementing robust applications that improve user experience and meet business needs. You will work with both front-end and back-end technologies, ensuring seamless integration and performance.

Join Sopra Steria, a leading European tech consultancy, as a C# .NET Developer specializing in financial markets. You will collaborate with a talented team to develop innovative software solutions for our clients in the financial services sector.

About UsAt CryptoNext Security, we are pioneers in the realm of deep technology, focusing on post-quantum cryptography. Our innovative solutions empower businesses and institutions to safeguard their data against the impending challenges posed by quantum computing. We proudly collaborate with prominent clients across sectors such as finance, defense, and telecommunications.Your Daily ResponsibilitiesCraft and implement dynamic user interfaces utilizing React for our advanced post-quantum cryptography products.Work collaboratively with Product and Backend teams to deliver a seamless and user-friendly experience.Enhance performance while ensuring cross-browser and cross-device compatibility.Integrate REST APIs to facilitate interaction with backend services.Engage in code reviews and uphold best practices, including unit testing, continuous integration, and comprehensive documentation.Propose enhancements to frontend architecture through technological upgrades and refactoring.Foster improvements in our products beyond your typical responsibilities.Adhere to our frontend team principles: “Done over perfect” / we prioritize speed: KISS, DRY (Don't Repeat Yourself), SOLID.Essential SkillsProficient in React / Next.js along with its ecosystem (React Hooks, Context API).Solid understanding of TypeScript and fundamental programming principles.Experience with modern UI libraries such as Tailwind or chadcn/ui.Proven track record in integrating REST APIs.Strong knowledge of frontend performance optimization and related tools (Webpack, Vite, Core Web Vitals).Familiarity with frontend testing frameworks like Jest, React Testing Library, and Cypress.Competence in Git, CI/CD pipelines, and DevOps for automated integration and deployment.Desirable SkillsExperience with gRPC.Understanding of secure coding practices and application security.Basic knowledge of cryptography and cybersecurity.Experience in a startup or deeptech environment.Join Our TeamYou will become a key member of our R&D team, collaborating closely with backend developers, product managers, and UX/UI designers. You will report to the team lead and work with various departments to develop high-performance, user-centric interfaces that align with our clients' needs.Application ProcessInitial conversation with our HR team to discuss your background and motivations.Technical interview to assess your skills and fit for the role.

Join our team as a Java Angular Developer for a Banking Project (H/F)Location: Villejuif (78)Remote Work: 3 days a weekContract Type: CDISalary: Starting from €45,000Start Date: ASAPRequired Experience: Minimum 4 yearsMain Responsibilities:Design, develop, and maintain full-stack web applications.Engage in technical analysis and solution design.Create RESTful services and APIs.Contribute to both front-end and back-end application development.Participate in code reviews to ensure development quality.Address issues and optimize application performance.Assist in deploying and operating applications in a containerized environment.Contribute to monitoring and managing applications in production.Collaborate with project teams in an Agile setting.

UpSlide is the leading productivity and branding solution for financial services. Our innovative software significantly enhances the functionalities of PowerPoint, Word, Excel, and Power BI, enabling users from prestigious firms such as Citi, KPMG, and BNP Paribas to focus on high-value tasks rather than formatting or manual data entry. With over 160 employees, we are in a growth phase, with offices located in Paris (headquarters), London, New York, Singapore, and Berlin.Our Core Values Our values guide our approach to work and are central to our recruitment process. We seek individuals who resonate with the following principles:Excellence: Every detail matters, and we prioritize the quality of our deliverables.Trust: We are passionate, committed, and empowered to act autonomously.Well-being at Work: We maintain a positive outlook and share our enthusiasm with colleagues and clients alike.The Team ‍‍You will join the UpSlide development team, currently composed of 26 developers organized into 5 squads. Our missions for 2026 include:OfficeJS: Preparing UpSlide for the transition from Microsoft Office to Office JS.FA: Enhancing our product's superiority in the Financial Advisory sector.FA & AI: Strengthening our product's edge in Financial Advisory by focusing on AI-related solutions.IB & AM: Continuously improving our offerings for Investment Banking & Asset Management.Platform: Upgrading our infrastructure to support tenfold user growth.Join Us!

About UsCryptoNext Security is a pioneering deeptech startup focused on post-quantum cryptography. We empower institutions and enterprises to navigate a future where quantum computing poses a threat to existing cryptographic standards. Our collaborations span major sectors including finance, defense, and telecommunications, as we deliver state-of-the-art, quantum-safe security solutions.Your RoleIn your capacity as a Full Stack Developer, you will play a key role in advancing DISCOVERY, our innovative observability and orchestration platform tailored for post-quantum cryptography operations.You will engage with the entire technology stack — developing backend services, managing data flows, and crafting frontend interfaces — while working closely with product, backend, and infrastructure teams.Responsibilities Design, develop, and maintain comprehensive full-stack features for the DISCOVERY platform. Create modern, responsive React front-ends that integrate seamlessly with Node.js and Kafka backends. Participate in architectural discussions and propose technical enhancements in line with our long-term product vision. Backend Development & APIs Design and implement efficient REST and event-driven APIs. Ensure optimal performance, scalability, and resilience across distributed components. Collaborate with backend engineers on domain modeling, API contracts, and data flows. Data Visualization & Observability Implement advanced data visualization and monitoring features using the ELK stack (Elasticsearch, Logstash, Kibana). Integrate backend logs, metrics, and analytics into user-friendly frontend dashboards. Engineering Standards Engage in code reviews and maintain high standards of engineering excellence. Contribute to technical documentation and advocate for software craftsmanship. Adhere to the KISS, DRY, SOLID principles, and embrace pragmatic engineering methodologies (“done is better than perfect”). DevOps & CI/CD Assist in deployment workflows, CI/CD pipelines, and automation initiatives. Work within Docker/Kubernetes environments to ensure smooth delivery of applications.

Role Overview Sopra Steria is seeking a Tech Lead with expertise in Fullstack Java and React for its Financial Services practice in Paris. This role guides a team of developers, shaping software solutions that support client objectives and business needs. Main Responsibilities Lead and coordinate a team of developers on fullstack Java and React projects Mentor junior team members and support their technical growth Work closely with cross-functional teams to deliver efficient, reliable software Promote best practices in coding standards and project management Contribute to the delivery of high-quality solutions for financial services clients What We Look For Significant experience with Java and React in a fullstack environment Strong leadership and team coordination skills Ability to mentor and guide junior developers Experience collaborating with diverse technical and business teams Location Paris, France

As a strategic partner to public organizations, you will play a crucial role in their digital transformation, tackling challenges alongside our project teams in the Public Services sector.Our support in modernizing information systems for public institutions aims to enhance services provided to citizens and equip agents with tools that boost operational efficiency.Citizen-centered innovation projects involve implementing technologies such as mobility, Big Data, and artificial intelligence.Join us in shaping the digital world of tomorrow!Your main responsibilities include:Immersed within a project team, where positivity meets productivity, you will be a key player in pre-sales and oversee multiple projects using traditional or agile methodologies in a Java-oriented technical environment:You will define solutions (issues, strategy, risk management, timelines, staffing, deliverables, etc.);You will ensure adherence to service commitments (cost, deadlines, quality);You will facilitate steering committee meetings;In collaboration with your team, you will independently ensure the smooth progress of projects, maintaining client satisfaction and loyalty, while also fostering team development;You will provide high-quality reporting, offering visibility to various stakeholders in your operational entity.These responsibilities may evolve to align with your interests and learning desires as well as the needs of the project.