Fullstack Java / React Developer (H/F)

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 our dynamic team at Sunrise United States Inc. as a Python Back-End Developer. We are seeking a talented developer who is passionate about crafting efficient, scalable code and creating innovative back-end solutions. If you thrive in a collaborative environment and have a strong understanding of Python and back-end technologies, this is the perfect opportunity for you!

About LuoPay LuoPay provides foreign exchange and cross-border payment solutions for businesses across Africa. The company aims to help African businesses transact with international suppliers more efficiently, transparently, and cost-effectively than traditional banking methods. LuoPay has seen strong growth in several markets and is expanding its engineering team to continue building financial infrastructure for FX and payments in Africa. Role Overview The Lead Frontend Developer will join LuoPay in Paris, working alongside engineers to improve both internal tools and products used by customers. This position plays a key role in supporting a payment infrastructure that processes millions of euros in transactions every day. Success in this role depends on a deep understanding of customer needs, the ability to weigh project priorities for maximum impact, and clear communication across technical and non-technical teams. Main Responsibilities Build and launch dynamic web applications using React. Design user interfaces that are intuitive and easy to use. Work with teams across the company to gather requirements and feedback. Contribute to product research and help create wireframes. Partner with backend engineers to design APIs and support deployment. Test thoroughly to maintain high product quality. Apply AI-driven development methods to improve productivity. What LuoPay Looks For At least 6 years of experience building web products. Background working in small teams where priorities can shift quickly. Strong focus on product outcomes and customer satisfaction. Excellent written and spoken communication. Ability to identify trade-offs and balance effort with expected results. Tech Stack Experience with React, Typescript, Golang, Postgres, Docker, Gitlab, GCP, and Cloudflare is important for this role.

Role overview Swile seeks a Senior Salesforce Developer based in Paris, France. This position focuses on designing and refining Salesforce solutions that strengthen customer engagement and improve how teams work internally. The ideal candidate brings strong technical skills and enjoys taking an active role in achieving business objectives. What you will do Create and implement Salesforce solutions that address specific business requirements Use Salesforce features to boost customer engagement Automate and streamline internal workflows with Salesforce tools Troubleshoot complex issues and enhance system reliability through technical expertise What matters at Swile The team at Swile values innovation and practical solutions that help people work better together. Products are built to foster stronger connections within teams and deliver real, positive impact.

We are seeking a dynamic and experienced Lead Frontend Developer to join our innovative team at myjobcompany1. In this role, you will lead the development of high-quality, scalable web applications utilizing the latest technologies. You will collaborate with cross-functional teams to define, design, and ship new features while ensuring a seamless user experience.

Join our dynamic team at Meritis as a C++ Developer! In this role, you will be responsible for designing, implementing, and optimizing software solutions that meet our clients' needs. We are looking for innovative thinkers who are passionate about technology and eager to contribute to exciting projects.

Join our innovative team at Meritis as a Java Angular Developer (H/F) in the heart of Paris! We are looking for a passionate and skilled developer who thrives in a dynamic environment and is eager to contribute to exciting projects. You will be responsible for developing robust applications using Java and Angular, collaborating with cross-functional teams to deliver high-quality software solutions.

Role Overview Meritis is looking for a C# Developer (H/F) to join the team in Paris. This position centers on building applications and supporting ongoing projects alongside experienced colleagues who care about quality and technology. What You Will Do Develop C# applications as part of project teams Work closely with professionals from different disciplines Contribute to project success through hands-on coding and collaboration Location This role is based in Paris.

Role Overview Meritis is looking for a C# Developer to help design and build software solutions in Paris. This role involves collaborating with a skilled team to deliver applications that support client requirements. The team works with agile methods to ensure projects move forward smoothly and adapt to change. What You Will Do Develop and maintain applications using C# Contribute to the design and architecture of scalable software Work closely with colleagues to deliver solutions that match client needs Participate in agile ceremonies and contribute to a collaborative work culture Location This position is based in Paris.

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 Altersolutions as a Java Angular Developer H/F, where you will be part of a dynamic team tasked with developing innovative web applications. We are looking for someone with a passion for technology and a strong foundation in Java and Angular frameworks.

Join Octopus Energy, where we challenge the status quo in the energy sector by making it greener, more affordable, and accessible to everyone. Originally launched in the UK, our innovative approach has expanded to France since 2022! We combine cutting-edge technology with a team of dedicated professionals who are passionate about our customers and the transition to renewable energy. In just three years, we have grown to become the fifth-largest energy supplier in France! Our mission? To provide all French citizens with cheaper and greener energy, along with practical solutions to accelerate the ecological transition. Currently, we are developing the next generation of products that empower the shift towards sustainable energy. Whether it's facilitating the transition to solar energy and electric vehicles, launching smart pricing, or scaling renewable energy production, we tackle some of the most complex challenges in the energy field! We do this with speed, creativity, and a singular focus on customer satisfaction. As a member of the Octopus Tech team, you will have genuine autonomy, a diverse range of projects to work on, and the opportunity to create products that make a significant impact on people's lives, helping them reduce their bills, live more sustainably, and enjoy truly engaging experiences. You will collaborate closely with our French teams in marketing, operations, and data, as well as with technical teams from other countries in the group . Above all, you will see the real-world impact of your work on our customers quickly. Within the OE Tech France team, you're not just coding; you're building the technological engine that makes green energy simple and intuitive for everyone in France. You will join a small, agile, and innovative team where seniority and collaboration are paramount:- A strong core: You will work daily with 1 Product Manager, 4 Frontend Developers, and 3 Backend Developers. The Backend team is currently composed mainly of senior profiles, allowing you to thrive in a demanding and stimulating technical environment.- Synergy with Data : You will work closely with data experts to leverage insights that drive our innovations.

Join our dynamic Sales department at Matera, where a dedicated team of around thirty professionals works collaboratively to qualify prospects, develop business opportunities, and close deals. Our common goal is to guide potential clients through to contract signing, navigating a sales cycle that typically spans 3 to 4 months, requiring majority votes from co-ownerships to subscribe to our solution.As a member of the Sales team, your primary responsibility will be to support and persuade prospects to advance in the sales process, organizing meetings with our Account Executives.In your role as a Sales Development Representative (SDR), you will be the first point of contact for our clients, serving as a crucial link in our sales process and actively contributing to our commercial objectives.By joining Matera's Sales department, you will have the chance to engage daily with a diverse range of stakeholders!With approximately 600,000 co-ownerships in France, each represents a unique community, and understanding their dynamics is essential for us to convince them to join our vision!Our prospects range from small co-ownerships with three units in rural areas to large residential complexes with 300 apartments in urban centers, where we will present competitive offers to professional managers.Your Responsibilities:Conduct initial phone calls with prospects who have requested quotes through our website.Quickly establish a trusting relationship with prospects.Understand their needs and challenges by asking insightful questions to gather as much information as possible about their situation.Convince them that Matera is the ideal solution for their needs.Organize and conduct product demonstration meetings.Maintain up-to-date records in our HubSpot CRM.Participate in projects aimed at improving processes and work organization.Assist Account Executives in their daily tasks (following up on prospects, conducting general meetings, administrative support, etc.).Apprenticeship Structure:Your onboarding journey starts with two weeks of meetings with our teams to understand our internal organization and vision. As a member of the Sales department, you will join our Sales Academy:During your first three months, you will receive training on sales techniques and gain insights into our products and target customers through technical training and practical workshops. You will have regular one-on-one meetings with your mentor to track your progress.

Join our dynamic team as a Back-End Developer specializing in NodeJS. You will be responsible for developing and maintaining high-performance server-side applications. Collaborate with our front-end developers to integrate user-facing elements with server-side logic. Your role will also involve optimizing applications for maximum speed and scalability.

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.

About the Role Meritis is looking for a C# Developer to join its team based in Paris. This role involves working closely with colleagues to build software solutions for a range of projects. What You'll Do Develop and maintain applications using C# Collaborate with other professionals to deliver project goals Contribute to the design and implementation of new features Location This position is based in Paris.

About the Role meritis is hiring a C# Developer (H/F) to join the team in Paris. This role offers the chance to work on a range of projects alongside colleagues who value collaboration and technical skill. What You Will Do Contribute to projects using C# and related technologies Work closely with team members to deliver solutions Bring ideas and technical insight to group discussions Who We’re Looking For Experience with C# development Interest in technology and problem-solving Comfort working in a collaborative setting This position is based in Paris.

About the Role Meritis is looking for a C# Developer (H/F) to join the team in Paris. This position plays a key part in designing and building software solutions, taking projects from initial idea through to deployment. What You Will Do Participate in the full software development lifecycle, including design, development, testing, and deployment Work closely with team members to deliver reliable and maintainable code Contribute ideas to improve software quality and team practices Location This role is based in Paris.

About the Role Meritis is hiring a C# Developer in Paris. This position involves designing, developing, and maintaining software solutions. Collaboration with colleagues from different teams is a key part of the job, with a focus on delivering reliable results.

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!