Java Developer – European Greenfield Project (M/F)

Are you tired of managing legacy code? Do you dream of starting from a clean slate on a European scale? We are currently supporting a major B2C player in the complete overhaul of its European IT system. The challenge?Build an ecosystem of application 'satellites' for France.100% GreenfieldNo technical debt at the start We are looking for Java engineers passi…

About UpflowUpflow is a pioneering provider of innovative cash collection technology designed to assist B2B enterprises in streamlining their payment processes.As a product-driven SaaS startup founded in 2018, we have earned the trust of hundreds of companies across the US and EMEA, including notable names such as Lattice, ProductBoard, and Instawork. Our growth is supported by esteemed investors including YCombinator, Hexa, and Hedosophia, along with prominent business angels from N26, Square, Mercury, Uber, and NetSuite.This role presents an incredible opportunity to engage and develop your skills within a rapidly expanding Fintech landscape and an international team.To explore more about our company culture and team, visit our careers page at www.upflow.io/careers.About the RoleJoin a small, agile team based in Paris or operating remotely, where you'll create impactful features for our users. Your responsibilities will cover a diverse array of topics including workflow automation, payment processing, and communication functionalities such as email, calls, and letters. We are committed to integrating AI into our product offerings, and you will be instrumental in establishing our AI foundations.Our development practices involve continuous deployment, with an average of 10 deployments per day. We value pragmatism, ownership, and a growth mindset within our team.Your ResponsibilitiesYour daily tasks will include:Designing and implementing complex, high-impact product features from inception to completion.Collaborating closely with product managers, designers, and fellow engineers to translate business needs into technical solutions.Delivering clean, maintainable code to production on a daily basis.Actively participating in code reviews, providing and accepting constructive feedback.Diagnosing and resolving complex product issues.Enhancing application performance and ensuring scalability.

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 prestigious team as the Assistant Director of a high-end restaurant located in the heart of Paris. We are seeking a dynamic and passionate individual who thrives in a fast-paced environment and is eager to deliver exceptional service. This role demands fluency in both English and French, reflecting our commitment to providing a culturally rich dining experience.

Who are we?At MARGO, our consultants engage in what truly matters: complex projects that combine intellectual challenges with tangible business impacts. We support leading 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, our Practice Manager for the past 5 years. Working alongside them means gaining deep insights into the company, receiving close guidance in your career development, and contributing to demanding IT projects that have a significant impact for our clients.Your responsibilities- Design, develop, and optimize a Front Office risk management application covering various financial products.- Enhance and extend existing functionalities to meet real-time business requirements.- Tackle complex performance, algorithmic, and multithreading challenges.- Participate in the design of scalable and robust microservices architectures.- Ensure code quality, maintainability, and security across the solution.- Contribute to code reviews, continuous improvement, and sharing best practices.Languages: Java 17Associated Technologies: NoSQL, microservices, CI/CDChallenges: real-time, low latency, algorithmic complexity, distributed computing, processing large data volumes.Desired ProfileWe are looking for a Java Developer who is passionate about real-time systems and has an interest in financial markets, eager to thrive in complex, high-performance environments.- Master's degree (engineering school or university).- Strong skills in Java, multithreading, performance optimization, and development best practices (SOLID, unit tests).- Experience in developing critical systems, real-time data stream processing; finance experience is a plus.- Ability to solve complex technical problems and collaborate with multidisciplinary teams.

Role Overview Nexton is hiring a Java Angular Developer (Mid-Senior Level) for its Paris office. The company works across the Telco, Media, and Transport sectors, building software that supports business goals and improves user experiences. What You Will Do Develop and maintain applications using Java and Angular Work closely with colleagues from different teams to deliver reliable software solutions Contribute technical expertise to projects that matter to the business Location This role is based in Paris.

Join Labelium as a Front-End Consultant Intern in the Media department, where you will play a crucial role in enhancing our digital marketing strategies. This internship provides an excellent opportunity for hands-on experience in front-end development and media strategy implementation. You will work closely with experienced professionals to gain insights into the advertising technology landscape and contribute to innovative projects.

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.

Are you a passionate Tech Lead specializing in JAVA? Join Meritis, a forward-thinking technology consulting firm based in Paris, where we harness innovation to deliver transformative solutions for our clients. We are seeking a dedicated professional who can lead projects and inspire teams with their expertise in JAVA development.

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 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.

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.

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.

Join Talan as a Senior Java Tech Lead in our dynamic Engineering & Development IT department. In this pivotal role, you will lead innovative projects, mentor a talented team of developers, and drive the adoption of best practices in software development. Your expertise in Java and leadership skills will be essential in delivering high-quality solutions that meet our clients' needs.