Fullstack .NET and React Developer

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 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

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.

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.

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.

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.

Join our dynamic team at believe as a Senior Fullstack Software Engineer, specializing in PHP and React. In this role, you will be responsible for designing, developing, and maintaining innovative software applications that enhance user experiences and drive business success. Your expertise will contribute significantly to our projects, ensuring high-quality software delivery.

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

Join Our Mission: We are dedicated to empowering SMEs to thrive in their business endeavors by providing Europe's premier finance workspace. Our platform integrates top-notch tools such as streamlined invoicing, effective spend management, and pre-accounting features, all backed by our dedicated 24/7 support team, ensuring that our clients navigate their financial responsibilities with ease.About Qonto: Founded in July 2017 by Alexandre and Steve, Qonto has quickly established itself as a trusted partner for over 600,000 customers. With a growing team of over 1,600 Qontoers, we proudly feature in the LinkedIn Top Companies ranking in France!Our Core Values:Customer focus | We prioritize our customers in all our endeavors.Ownership | We take responsibility for our roles and strive to achieve results.Teamwork | We simplify collaboration and support each other.Mastery | We constantly seek to improve and elevate standards.Integrity | We act ethically and with respect towards all individuals.Diversity & Inclusion: At Qonto, we are committed to creating an inclusive environment where everyone can succeed. We evaluate applicants based on their skills and potential, fostering diversity with 55% of our team being international, 44% women, and 20% parents. Join us in cultivating a workplace that values diversity and individuality.Learn about our commitment to a fair hiring process.⭐ Your Role:As a Fullstack Engineer, you will play a pivotal role in developing financial tools that empower over 600,000 SMEs to manage their finances efficiently. Collaborating closely with our Head of Engineering, Yanis, you will focus on creating impactful financial features that simplify processes for SMEs and accountants.‍‍ Responsibilities:• Feature Ownership: Take charge of features from conception to deployment, working closely with Product Managers to define technical specifications and deliver results.• Robust Tool Development: Design and implement scalable solutions for pre-accounting functionalities, ensuring a seamless user experience.

À propos de SkelloChez Skello, nous créons la solution de gestion des ressources humaines de référence pour la planification et le management des équipes sur le terrain.En Europe, les travailleurs sur le terrain représentent 50 % de la main-d'œuvre, mais seulement 20 % des solutions numériques leur sont réellement adaptées.Skello a été fondé pour combler cette lacune : une plateforme collaborative et intuitive qui simplifie le quotidien des managers et des employés, en optimisant et en automatisant les tâches essentielles.Nous plaçons les équipes de terrain au centre de nos préoccupations. Grâce à des outils intelligents tels que notre Assistant Skello et notre planificateur intelligent, nous répondons directement à leurs besoins uniques.Notre objectif est clair : devenir la solution RH incontournable pour toutes les équipes de terrain à travers l'Europe. Skello en chiffres • 7 secteurs d'activité principaux • 25 000 entreprises font confiance à Skello aujourd'hui.• 600 000 employés utilisent Skello chaque jour.• L'équipe Skello compte plus de 400 collaborateurs.• 3 bureaux européens : Paris, Lille et Barcelone. Notre culture d'entrepriseNous savons que pour atteindre notre mission, nous devons vivre nos valeurs quotidiennement : SHIFT. Élever la barre chaque jour Soutenir les uns les autres Imaginer demain, commencer aujourd'hui Mettre les clients en premier Prendre le travail au sérieux, pas soi-même

Join our dynamic team as a Fullstack Developer in the Squad Maât at Doctrine! You will play a key role in developing innovative software solutions that empower our users and enhance their experience. If you are passionate about coding, problem-solving, and working in a collaborative environment, we want to hear from you.

Join our innovative team at Meritis as a Fullstack Java Developer (H/F). We are looking for a talented individual who is passionate about technology and eager to work on diverse projects that challenge your skills and creativity.As a Fullstack Java Developer, you will be responsible for designing, implementing, and maintaining web applications using Java technologies. You will collaborate with cross-functional teams to deliver high-quality software solutions that meet client needs.

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!

At Shift Technology, we are at the forefront of the insurance industry's digital transformation through our cutting-edge AI platform. We leverage generative, agentic, and predictive AI to enhance underwriting, streamline claims, and combat fraud and risk, thereby promoting operational efficiency and delivering outstanding customer experiences with tangible business outcomes.Our diverse team, representing over 50 nationalities, thrives in a culture grounded in innovation, trust, and a shared mission to revolutionize insurance through our SaaS solutions.Our dynamic Engineering Team is pivotal to our value proposition. We tackle intricate challenges not just within our squads but also in collaboration with other teams across the organization. If you're passionate about addressing complex technical problems, this is the ideal environment for you! KEY RESPONSIBILITIES As a Fullstack Developer, your technical expertise and independence will empower you to design and implement comprehensive solutions for our applications and features.Craft intuitive user interfaces for data collection and review.Develop and maintain resilient APIs that facilitate automated decision-making.Write, test (from unit tests to end-to-end), and deliver clean, maintainable code.Engage in releases, deployments, and the monitoring of live solutions.Contribute to technical migrations, modernization initiatives, and architectural enhancements as our platforms evolve.Performance, scalability, and quality are crucial challenges to overcome in delivering and reviewing code. You will collaborate with teammates, including software engineers, data scientists, QA specialists, UX designers, and product managers, to provide and receive feedback and continuously enhance the agile development process.

Join us as a Lead Fullstack Developer and help transform the rental real estate market with innovative tech solutions!As a Lead Developer, you will play a pivotal role in our technical team:Programming and Design: Develop based on concepts defined by technical management (Clean architecture, TDD, DDD, BDD, etc.) while ensuring quality in deliverables.Technical Oversight: Supervise strategic projects including architectural improvements, platform scalability, and key migrations.Vision and Strategy: Actively contribute to technical choices and strategic direction alongside the Management and Product & Tech Manager.Product & Tech Alignment: Collaborate closely with the Product & Tech Manager to ensure deliverables are in line with product priorities and timelines.Leadership and Mentorship: Guide the Tech team and foster skill development to adopt best development practices.Agile Contribution: Participate in Agile workshops (grooming, three amigos, etc.) to ensure smooth collaboration among teams.Technical Stack:Back-end: Node.js with Express, TypeScript with Nest.js.Front-end: Vue.js/Nuxt and React in TypeScript.Database: PostgreSQL for effective management of critical data.You'll thrive in a stimulating environment:A growing Tech & Product team where everyone learns from each other.Regular training for continuous improvement.An Agile methodology (Scrumban) with rapid and frequent deployments.Aiming for ambitious goals that align with our mission.

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!

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.