Fullstack Developer with Expertise in C# and JavaScript

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 b…

Join our dynamic team at myjobcompany1 as a Lead International Java Developer (H/F). We are seeking an experienced and innovative professional to spearhead our Java development projects on an international scale. In this pivotal role, you will lead a team of talented developers, oversee the architecture and design of our software solutions, and ensure the delivery of high-quality code.Your expertise will drive the implementation of best practices in software development, while your leadership will inspire your team to achieve excellence. If you are passionate about technology and excited to work in a collaborative environment, we want to hear from you!

In the context of streamlining our development processes, we are seeking a Senior Fullstack Developer (H/F).EnvironmentYou will join a close-knit technical team of about thirty individuals in a very warm and fun work atmosphere. You have the flexibility to choose the workspace setup that suits you best: it’s entirely up to you how you want to work!Required SkillsProficient in NodeJsExperience with ExpressJSFamiliarity with AWSKnowledge of AngularJs or VueJsExperience with MongoDB and PostgresUnderstanding of KubernetesProficient in Docker

Nous recherchons un Infirmier en santé au travail (F/H) passionné par le bien-être des employés et la prévention des risques professionnels. Dans ce rôle, vous serez responsable d'assurer une bonne santé physique et mentale au travail, en fournissant des conseils, des évaluations et des interventions appropriées.Vous travaillerez en étroite collaboration avec les équipes RH pour développer et mettre en œuvre des programmes de santé au travail, tout en participant à des initiatives de sensibilisation et de formation. Ce poste est idéal pour un professionnel soucieux d'améliorer la qualité de vie au travail et de promouvoir un environnement de travail sain.

Join our innovative team at Free2Move as a Lead Senior Fullstack Developer (H/F) to drive the industrialization of our development processes.EnvironmentYou will become an integral part of a dynamic technical team comprising around thirty talented individuals in a warm and enjoyable work atmosphere. You have the flexibility to choose your working setup: it's entirely up to you how you wish to work!Required SkillsNode.jsExpress.jsAWSAngular.js, Vue.jsMongoDB, PostgreSQLKubernetesDocker

Join our dynamic team at Sopra Steria as a Tech Lead specializing in Java Fullstack development. In this pivotal role, you will lead a talented group of engineers, driving innovation and excellence in our assurance projects. Your expertise in full-stack Java development will be essential as you oversee the design, implementation, and delivery of high-quality software solutions.We are looking for a proactive leader who can inspire and mentor team members while collaborating closely with stakeholders to ensure alignment with business goals. If you are passionate about technology and looking to make a significant impact, we invite you to apply!

Located in the bustling heart of Paris, Winamax is revolutionizing the online gaming industry. As the leading poker and sports betting platform in France, we boast a community of 350,000 players and 600,000 bettors each month. Our presence extends to Spain, Germany, and soon, Italy and Portugal. We are committed to providing our players with an extraordinary experience that is technical, creative, and high-quality. Innovation, unity, and belonging are the core values that shape our unique and multicultural corporate culture.Are you ready to shape the future of gaming?From a technical perspective, Winamax offers:• A powerful and innovative gaming engine: dynamic game offering adaptation, highly configurable poker games, and fraud detection.• A distributed and scalable architecture designed for real-time processing of platform flows.• A modular platform that meets high availability and data security requirements, capable of managing heavy traffic.ABOUT THE POSITIONTo support Winamax’s growth and the increasing number of design projects, we are looking for a Fullstack Developer with a strong Back-End focus (Node, React).As part of the Operator team, you will design and develop applications for managing our online gaming operations, specifically within the payment vertical.Your responsibilities will include:• Integrating new partners and payment methods.• Maintaining and evolving existing code to ensure compliance with regulations (including PCI DSS standards).• Harmonizing and optimizing historical code for improved maintainability and performance.• Developing internal tools for the fraud prevention and customer support teams.Our preferred environment, ideally yours as well:• NodeJS, React, PHP• Object-oriented programming / TDD / DDD• MySQL, Relational model, stored procedures, triggers, integrity constraints

About Theodo Since 2009, Theodo has partnered with forward-thinking companies to design, build, and launch digital products using advanced technology and a Lean mindset. Theodo’s approach centers on three principles: Deep expertise in core technologies for product design and development Focus on delivering value at every project stage and decision Attracting and nurturing top digital talent through Lean practices Over the past 15 years, Theodo has grown to more than 700 team members, most of whom are Software Engineers dedicated to technology and continuous improvement. The company is structured into specialized units by technology (such as Theodo Apps, Theodo Cloud, Theodo Data & AI) and by industry (including Fintech, Govtech, Healthtech, and Consumer Products Goods). By 2025, Theodo aims to reach €100M in revenue. AI Modernization at Theodo The AI Modernization practice stands as the Group’s flagship offering. This team drives Theodo’s ambition to become Europe’s leader in AI for software development. The mission: accelerate the migration of legacy systems to modern languages and frameworks, helping clients reduce business, cybersecurity, and compliance risks. Using a controlled approach to AI and a proven methodology, these projects are delivered three times faster than traditional methods. Your Team Join a tech community of over 350 Theodoers: software engineers, tech leads, engineering managers, and architects. This is a place to exchange ideas, learn, and grow every day. At Theodo, tech teams form project groups tailored to each client’s needs. As a Lead Fullstack Engineer, work within a small team of 4 to 5 members, including Software Engineers, a Tech Lead, and a Product Manager. Collaboration with clients is close and ongoing, with regular discussions to share progress, deepen understanding of challenges, and adapt products to serve users effectively. Software Engineering is evolving with AI. At Theodo, there is an opportunity to develop as an AI Native Tech Lead.

Theodo: A Journey of Innovation and SuccessSince 2009, Theodo has been a driving force in supporting innovative businesses with the design, development, and deployment of cutting-edge digital products. We leverage the best of technology combined with Lean methodologies.With 15 years of exceptional growth, Theodo's team of over 700 dedicated professionals, primarily Software Engineers, are passionate about technology and continuous improvement. As we expand, we have structured our expertise into specialized entities focusing on different technologies (Theodo Apps, Theodo Cloud, Theodo Data & AI) and industries (Fintech, Govtech, Healthtech, Consumer Goods). By 2025, Theodo is projected to achieve a revenue of €100M.At Theodo GovTech, we partner with our clients—government ministries, local authorities, and major public operators—to design, develop, and maintain accessible, sustainable, and socially beneficial digital products.Joining our adventure means sharing a common ambition: to harness digital solutions to enhance public action efficiency and improve the daily lives of both agents and users.Why Are We Hiring?We aim to showcase Theodo's expertise in the public sector by becoming the go-to partner for administrations to implement their public policies digitally and swiftly.We are in search of a Software Engineer at Theodo GovTech to ensure public actors' satisfaction by creating products that meet the needs for improving the quality of public service provided to citizens, associations, and businesses.Your Key Responsibilities:- Produce high-quality code that is defect-free, utilizing practices such as code reviews and pair programming, with a strong affinity for Agile development (particularly Scrum).- Address issues encountered and continuously improve your working methods (Daily, Problem solving, Retrospective).- Take ownership of quality at the ticket level, including writing automated tests.- Find smart and pragmatic solutions to simplify the product and lead the design of multiple user stories.Career Advancement Opportunities

As a Lead Java Technical Expert at Capfi Technology, you will:Lead the development of containerized back-end or full-stack applications, including microservices, adhering to craftsman practices (TDD, BDD, DDD).Analyze architecture to identify and assess improvements.Design and develop high-quality Java applications.Implement continuous integration using automated testing tools (Jenkins, GitLab, Bitbucket) and facilitate continuous deployment (Ansible, AWX, Octopus, GitLab).Manage version control (Git, TFS), create test documentation, and participate in testing not covered by unit tests.

Your Impact At Doctolib, we are rapidly expanding our team and currently seeking talented Fullstack Software Engineers to join us in Paris. We welcome engineers at various stages of their careers, whether you are just starting out or have years of experience under your belt. There’s a place for you in our innovative Engineering teams! Your mission is to help Doctolib solidify its standing as a premier healthcare technology platform by creating high-quality products that enhance the daily routines of healthcare professionals and patients. You will engage in feature teams that develop solutions with a direct impact on millions across Europe. Joining the tech team at Doctolib means you will be at the forefront of building cutting-edge products and functionalities that improve the lives of care teams and patients alike. What You’ll Build Your responsibilities will encompass, but are not limited to: Collaborating with product managers, designers, and fellow engineers to create features that provide real value to healthcare professionals and patients. Designing and implementing technical solutions that ensure optimal performance, security, and usability across our fullstack applications (React, TypeScript, JVM ecosystem). Contributing to code quality through thorough reviews, testing, and the continuous improvement of our development practices. Sharing your expertise and collaborating across teams to advance Doctolib’s architecture and technical standards. Life at Doctolib Tech Our solutions are built on a single fully cloud-native platform that supports web and mobile application interfaces, multiple languages, and is tailored to meet the requirements of various countries and healthcare specialties. Our technology stack includes Rails, TypeScript, Java, Python, Kotlin, Swift, and React Native. We ethically leverage AI across our products to empower both patients and health professionals. Learn more about our AI vision here. Interested in understanding more about our tech culture and environment? Visit the Doctolib Tech site. What You’ll Bring Before proceeding, if you feel that this job description resonates with your skill set even if you don’t meet every criterion, we encourage you to apply! You possess fullstack software engineering experience with React and the JVM ecosystem (Java, Kotlin, Spring Boot) - Ruby experience is a bonus. You have a user-first mindset and are dedicated to enhancing the user experience.

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.

Join Dailymotion as a Fullstack Developer specializing in Python and React, contributing to our innovative B2C applications. You will be responsible for developing and maintaining high-quality web applications that enhance user experiences and drive engagement. This role offers the flexibility of working fully remotely from anywhere in France.

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.

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.

Join our innovative team at jobsforhumanity as a Mid/Senior Fullstack Engineer. In this role, you will be responsible for developing and maintaining robust web applications that deliver exceptional user experiences. Your expertise in both front-end and back-end technologies will play a crucial role in the success of our projects.

Join Us as a Tech Lead!As a Tech Lead, you will become an integral part of a structured Product Team focused on the design and evolution of acquisition funnels.Our squads consist of Product Managers, Front-end Developers, Back-end Developers, and UX/UI Designers.You will act as the technical reference for this team, encompassing responsibilities in design, development, and advocacy for best practices (quality, architecture, code review, CI/CD, etc.).Your Key Responsibilities:Analyze business needs and propose suitable and sustainable technical solutions.Lead the technical and architectural decisions of the squad (scalability, performance, security, etc.).Develop new features within the acquisition funnels.Ensure the maintainability and quality of the code, utilizing tools such as SonarCloud and Dependabot.Promote design patterns and best development practices (unit tests, CI/CD, code reviews, documentation).Mentor team developers, particularly in enhancing their skills in DevOps practices and software quality.Collaborate with the group's Infra and DevOps teams on Azure Cloud, security, and industrialization topics.Propose innovative technologies, tools, and approaches to improve the product and team productivity.

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.

About Shift Technology Shift Technology builds AI-driven solutions for the insurance sector. Our platform supports underwriting, claims, and risk management for insurers worldwide. By combining generative, agent-based, and predictive AI, we help clients improve efficiency and deliver better service. Leading insurers trust Shift to drive results at scale. We value innovation and trust, and our SaaS products aim to transform insurance. The team includes colleagues from more than 50 countries, working together to shape the industry's future. Role Overview: Fullstack Developer As a Fullstack Engineer, join our core Engineering team in Paris. The role involves designing and building applications that deliver direct value to clients. Expect to solve complex technical problems with your squad, collaborating closely with Data Scientists, QA specialists, and Product Managers. The position focuses on delivering high-performance, scalable, and reliable solutions that advance our platform. This role also plays a central part in technical migrations and architectural improvements supporting Shift’s mission.