Experienced .Net / React JS Developer H/F

Join Altersolutions as a talented .Net / React JS Developer and take your career to the next level! We are seeking an individual with a strong background in .Net and React JS to contribute to exciting projects in a dynamic environment. You will collaborate with a team of professionals dedicated to delivering high-quality software solutions.

Join our dynamic team at Altersolutions as a Fullstack Developer specializing in .NET and React. In this role, you will leverage your expertise to build and enhance innovative web applications. Your contributions will be pivotal in delivering high-quality software solutions that meet the needs of our clients.

Rejoignez notre Pôle Transformation Numérique en tant que Développeur Fullstack, où vous ferez partie d'une équipe dynamique d'experts en développement de solutions logicielles, dédiée à l'accompagnement de nos clients.Vous serez intégré(e) au sein d'une équipe dédiée chez un leader du secteur de l'assurance, travaillant en mode squad avec des développeurs, testeurs et un Product Owner.Vos responsabilités incluront :Concevoir, développer et maintenir des applications web performantes et évolutives.Créer des APIs REST sécurisées en .NET/C#.Développer des interfaces utilisateurs modernes et intuitives utilisant ReactJS / TypeScript.Collaborer étroitement avec l’équipe produit et les designers pour transformer les exigences en solutions techniques.Assurer la qualité du code à travers des tests unitaires, des revues de code et des pratiques CI/CD.Participer aux choix techniques et à l’architecture du logiciel.Contribuer à l’amélioration continue et au partage de connaissances au sein de l’équipe.

Join our dynamic team as a Senior .NET Developer (H/F) where you will play a pivotal role in crafting high-quality software solutions. You will collaborate with cross-functional teams to design, develop, and maintain applications that meet our clients' needs. If you have a passion for technology and a knack for problem-solving, we want to hear from you!

Join nexton, a leading company in the Telco Media Transport sector, as a skilled Java / React Developer. In this role, you will leverage your expertise to develop and maintain robust applications, collaborate with cross-functional teams, and contribute to innovative solutions that enhance user experiences.

We are seeking a passionate and motivated Junior .NET Developer to join our dynamic team at myjobcompany1 in Paris. This is an excellent opportunity for those who are eager to grow their skills in software development within a collaborative environment. You will work on exciting projects, contribute to the development of innovative solutions, and gain invaluable experience in the tech industry.

Join our dynamic team at Alten as a Fullstack Java / React Developer (H/F). We are looking for passionate developers who thrive in innovative environments and are eager to work on exciting projects that push the boundaries of technology.

Join Altersolutions as a Fullstack Developer specializing in .Net and Angular. We are seeking a dynamic individual who is passionate about building innovative web applications and enhancing user experiences.Your role will involve collaborating with cross-functional teams to develop and maintain scalable applications. You will have the opportunity to work with the latest technologies and contribute to exciting projects that make a real impact.

nexton is looking for a Fullstack Java / React Developer based in Paris. This position centers on developing and refining applications using both Java and React. Collaboration with colleagues from various teams is a key part of the job, with a focus on creating user-friendly interfaces and enhancing the overall user experience. What you will do Design and build applications with Java and React Work alongside cross-functional teams to develop interfaces Offer ideas to improve usability and boost user satisfaction Requirements Experience with backend development in Java and frontend work in React Interest in tackling complex problems with creative solutions Ability to thrive in a collaborative and evolving environment

Role Overview Talan is seeking a C# / .NET Developer with experience in market finance to support and improve our financial systems. This role is based in Paris and focuses on building and maintaining solutions that help drive our business forward. What You Will Do Develop and optimize financial applications using C# and .NET technologies Work closely with team members to deliver reliable, high-quality code Contribute ideas to strengthen system performance and stability Help troubleshoot and resolve technical issues within our market finance platforms Who We’re Looking For Solid experience with C# and .NET development Background in market finance or financial systems Attention to detail and a collaborative mindset Based in Paris or able to work on site

Role overview Nexton is looking for a Fullstack Developer with deep experience in .NET and Angular to join the Paris office. This position covers both front-end and back-end work, supporting web applications throughout their lifecycle, from initial design to deployment. What you will do Collaborate with colleagues from various disciplines to develop and improve web applications Design, build, and maintain features using .NET and Angular Prioritize performance and responsiveness to ensure a seamless user experience Requirements Strong experience working with both .NET and Angular Ability to work effectively with team members from different backgrounds Commitment to writing high-quality code and delivering practical solutions This role is based in Paris.

Role Overview Talan is looking for a Tech Lead .NET to join the Paris team. This role centers on guiding a group of developers and supporting the delivery of software projects built on .NET technologies. What You Will Do Lead and mentor a team of developers working with .NET Oversee project direction and technical decisions Ensure software solutions meet quality standards from start to finish Support the team in delivering projects on time and according to requirements Location Based in Paris.

nexton is hiring a Fullstack Developer in Paris with experience in .NET and Next.js. The position centers on building and maintaining web applications that address client requirements. Key responsibilities Design, develop, and maintain web applications using .NET and Next.js Work with team members to deliver dependable software solutions Use current technologies to create high-quality products Location This role is based in Paris.

Join Altersolutions as a Tech Lead specializing in React to lead innovative projects from conception through execution. You will be responsible for guiding a talented team of developers, ensuring best practices in coding and design, and delivering high-quality software solutions. Your role will involve collaborating with cross-functional teams, mentoring junior developers, and driving the technical vision of our projects.

Join CAPFI Technology - a Hub of IT and Financial ExpertiseCAPFI Technology, located in Paris and London, combines our expertise in IT and market finance. Our consultants collaborate with clients on strategic projects that integrate innovation, technology, and financial challenges. Your Responsibilities :As a .NET Developer / Software Engineer (H/F), you will be part of an agile team working with a financial market client on:Developing containerized full-stack applications and micro-services while adhering to Craftsman practices (TDD, BDD, DDD).Analyzing architecture to identify improvements.Designing and developing .NET applications.Implementing continuous integration via automated tests (Jenkins, GitLab, Bitbucket, etc.) and continuous deployment (Ansible, AWX, Octopus, GitLab, etc.).Managing versions (Git, TFS).Creating test plans and participating in tests not covered by unit tests. Your Strengths :A passion for thriving in a demanding and enriching environment.A desire to challenge yourself in client missions.Curiosity, passion, and a collaborative spirit.A strong interest in management and a willingness to mentor peers.Solid technical or functional skills in market finance.A degree from an engineering school or equivalent, with at least three years of experience in IT. What We Offer You:CAPFI is a vibrant company that places collective spirit and peer sharing at the heart of its culture. We provide a flexible work environment with agile project choices. CAPFI also offers:Freedom to choose your manager.Opportunities for certified training.The chance to join Tribes and foster the collective energy and expertise of CAPFI.

Join our dynamic team at Nexton as a Front-End React Developer! We are seeking a skilled developer who is passionate about creating exceptional user experiences and utilizing modern web technologies. You will be responsible for designing and implementing user interfaces using React, collaborating with cross-functional teams to deliver high-quality solutions.

Join eosfrance as an Experienced Developer (H/F) in Paris. We are looking for a skilled and motivated individual who thrives in a dynamic environment. You will be part of a team that drives innovation and delivers top-notch IT solutions. Your expertise will contribute to exciting projects that make a real impact.

Join a leading fintech in credit and insurance, known for its rapid growth and innovative projects! This opportunity is perfect for you!As a Tech Lead / Architect, you will be an integral part of the product team responsible for developing credit products.Within an agile framework, you will collaborate with a team of four developers and a Product Manager.This team is at a pivotal point in its journey, transitioning from a Java/GCP stack to Azure/.NET to streamline the diverse technical stacks within the group.The future Tech Lead will commit to the .NET ecosystem and will primarily focus on structuring, leading this transition, and overseeing technical migrations.A strong affinity and skills in application architecture are essential for success in this role.Your responsibilities will include:Designing, developing, and maintaining the backend and orchestration layers of Meilleurtaux's credit information system.Serving as a Technical Leader for your team (architecture, design, development practices, etc.).Your Mission Exemplify Technical Leadership:Analyze business needs and propose suitable technical solutions.Recommend and validate technical choices for the solution.Design and oversee the development of new functionalities.Ensure the evolutionary maintenance of the information system.Guarantee optimal code maintainability using AI tools like SonarCloud and Dependabot.Implement best development practices: adherence to engineering guidelines and proactively contribute to improvements.Contribute to defining and establishing scalable and effective backend architectures.Design new cloud technical architectures and lead the creation of Technical Architecture Documents (DAT).Document technical solutions and architectures.Foster innovation and propose new technologies, features, and tools tailored to the context.Actively participate in the Backend Chapter.Organize Framework and Processes:Establish and/or optimize work frameworks and methodologies to enhance team efficiency and productivity (agility, communication, documentation, etc.)Ensure a balanced velocity/quality ratio through effective QA and CI/CD processes (code reviews, testing, etc.).Be responsible for the quality and completeness of the DATs produced by your team.Create systems and processes that utilize AI for development to optimize team velocity.... (and more responsibilities)

Join our innovative team at myjobcompany1 as a Front End Developer (H/F) where your skills will contribute to building dynamic and responsive web applications. We are looking for a passionate individual who thrives in a fast-paced environment and is eager to embrace new challenges.

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!