Senior Software Development Engineer in Test (SDET) – Network Diagrams

Join Esri as a Lead Principal C++ Software Developer focusing on Network Diagram technologies. In this pivotal role, you will design, develop, and optimize software solutions that enhance spatial data visualization and management. You will collaborate with cross-functional teams to deliver robust applications and contribute to innovative solutions that push the boundaries of geographic information systems (GIS).

Join Altersolutions as a C++ Tech Lead in the vibrant city of Paris. In this pivotal role, you will spearhead projects, mentor junior developers, and drive the evolution of our C++ applications. Your expertise will be crucial in ensuring that our software solutions are not only robust but also cutting-edge.As a leader, you'll collaborate closely with cross-functional teams to design, develop, and implement high-performance software solutions that meet our clients' needs. If you are passionate about technology and thrive in a dynamic environment, we want to hear from you!

As a Tech Lead at CAPFI Technology, you will embark on two primary missions: Develop containerized full stack applications and microservices, adhering to Craftsman practices (TDD, BDD, DDD).Analyze architecture for improvement assessments.Design and develop .NET applications.Implement continuous integration through automated testing (Jenkins, GitLab, Bitbucket, etc.) and continuous deployment (Ansible, AWX, Octopus, GitLab, etc.).Manage version control (Git, TFS), create test plans, and participate in tests not covered by unit tests. You are the right candidate if: You are eager to challenge yourself in a rich and demanding environment.You are curious, organized, and passionate about finance and/or IT.You possess technical (SQL) and/or functional knowledge in financial markets.You hold a degree from an engineering school, business school, or equivalent.You wish to evolve in contexts driven by Agile ceremonies.You have strong interpersonal skills and enjoy teamwork.You are looking to thrive in English-speaking environments. What we offer you CAPFI is a vibrant company that...

Role overview Alten is hiring a C++/C Development Engineer for its Rail department in Paris. The team tackles projects that shape the future of transportation, with a focus on practical engineering and collaborative problem-solving. What you will do Design, develop, and maintain software using C++ and C for rail sector projects Work alongside fellow engineers to deliver dependable technical solutions Take part in technical discussions and contribute to process improvements Requirements Keen interest in software development and transportation technology Openness to learning and adapting to new technical challenges Collaborative mindset and proactive attitude Location This role is based in Paris.

Meritis seeks a C/C++ Developer in Paris to strengthen its financial markets team. This role focuses on building and enhancing applications that underpin finance operations. Key responsibilities Design, develop, and maintain software using C and C++ for financial systems Optimize application performance and resolve technical issues as they arise Work closely with colleagues from various teams to deliver effective solutions Location This position is based in Paris.

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 UsAt MARGO, our consultants focus on what truly matters: complex projects that blend intellectual challenges with significant business impact. We partner with leading players in finance, industry, and technology to design and develop high-performance software solutions, including distributed architectures, cloud platforms, real-time systems, and large-scale critical applications.Why Join Our Software Engineering Practice?You will work alongside an experienced team led by Paul Blois, Practice Manager at MARGO for 5 years, and Prosper Gratian, Practice Lead and C++ Developer. Collaborating with them means benefiting from in-depth company knowledge, receiving close mentorship for your career growth, and contributing to demanding IT projects that have a high impact on our clients.Your Responsibilities- Design, develop, and optimize high-performance C++ components.- Participate in the migration of critical applications.- Contribute to the establishment of an internal framework for cross-functional applications.- Ensure code quality, performance, and maintainability.- Engage in code reviews, continuous improvement, and sharing best practices.Technical Stack: Modern C++ (C++17/20)Associated tools and technologies: Kafka, ElasticSearch, Git, CI/CD, AWS.Challenges: Performance, robustness, and managing large data volumes (processing 9 billion messages).Desired ProfileWe are looking for a passionate C++ developer with an interest in real-time systems and financial markets, eager to thrive in complex, high-performance environments.- Master's degree (engineering school or university).- Strong skills in C++, multithreading, performance optimization, and development best practices (SOLID, unit testing).- Experience in critical systems development and real-time data stream processing.

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.

Meritis is looking for a C# / Angular Developer (H/F) to join the team in Paris. This position centers on building and maintaining software applications while working closely with colleagues who value both collaboration and continuous learning. Key responsibilities Design, develop, and maintain applications with C# and Angular Work as part of a team to ensure project goals are met Share technical input and contribute to group problem-solving Develop your skills by working alongside experienced developers Location This role is based in Paris.

About the Role Meritis is hiring a C# Developer (H/F) for its Paris office. This position offers the chance to work on a range of software projects alongside a skilled team.

About UsAt MARGO, our consultants focus on what truly matters: intricate projects that combine intellectual challenges with real business impact. We partner with leading players in finance, industry, and technology to design and develop 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 five years. Collaborating with him means benefiting from his in-depth knowledge of the firm, receiving close mentorship for your personal development, and contributing to demanding IT projects that have a significant impact on our clients.Your ResponsibilitiesJoin an international team of electronic trading experts dedicated to developing high-performance market solutions. Your tasks will include:- Designing and enhancing trading bots capable of executing complex real-time strategies.- Optimizing performance (latency, multithreading) and managing high data volumes.- Ensuring robust C# code, adhering to SOLID principles, with testing and code reviews.- Contributing to the management of Cloud infrastructures (Azure) and data security.Candidate ProfileWe are looking for a C# developer passionate about real-time systems and interested in market finance, eager to thrive in complex, high-performance environments.- Educational background: Master’s degree (engineering school or university).- Strong skills in C#, multithreading, performance optimization, and best development practices (SOLID, unit testing).- Experience in developing critical systems, processing real-time data streams; experience in finance is a plus.- Ability to solve complex technical problems and collaborate with multidisciplinary teams.- Enthusiasm for demanding environments.

Meritis is seeking a C# Developer to join its finance team in Paris. This role involves close collaboration with financial specialists to design and build software that supports financial services and operations. Responsibilities Develop and maintain applications using C# for finance-focused projects Work alongside subject matter experts to gather requirements and turn them into technical solutions Contribute to streamlining internal processes and improving user experience for financial systems Location This position is based in Paris.

About the Role Meritis is seeking a C# Developer to join the team in Paris. This position involves working on a range of software projects using C# and related technologies. The team values strong technical skills and a collaborative approach to problem-solving. What You Will Do Develop and maintain software solutions using C# Collaborate with colleagues in an agile setting Contribute to projects that use modern technologies Location This role is based in Paris.

About the Role Meritis is looking for a C# Developer to join the team in Paris. This role involves working on projects that use current technology trends. Collaboration with other experienced professionals is a core part of the job. What You Will Do Develop and maintain applications using C# Work alongside colleagues to deliver technical solutions Contribute to projects that encourage both creativity and technical skill Location This position is based in Paris.