Staff Engineer - Python Developer in Paris - H/F

Join our dynamic team at iliad-free as a Staff Engineer specializing in Python development. We are looking for innovative and driven individuals to contribute to our impactful projects in the heart of Paris. This role offers a unique opportunity to work on cutting-edge technologies and collaborate with talented professionals in a vibrant work environment.

Join us at iliad-free in Paris as a Staff Engineer specializing in Python. You will take on a pivotal role in our ambitious program aimed at modernizing and evolving our backend systems.Your primary responsibility will be to lead the technical direction of our information system backend, which manages all Free subscribers, including subscription processes, subscriber spaces, and additional services such as video streaming and mobile phone sales.In this role, you will develop a deep understanding of complex business processes executed by our system, such as billing for third-party services, subscription management, and fiber optic connections.You will guide the team in defining the architecture of this distributed system while actively contributing to development using Python, ensuring hands-on involvement.Your expertise will drive development practices that prioritize resilience, quality, testability, and speed of delivery. Additionally, you will be instrumental in establishing robust operational methods in a model where development teams manage their solutions in production, with a constant focus on performance and scalability.

Join our dynamic team at Iliad as a Backend Python Developer in Paris! We are looking for passionate and skilled individuals to contribute to our innovative tech projects. You will work closely with cross-functional teams to design and implement robust backend systems, ensuring high performance and responsiveness to requests from the front-end.Key Responsibilities:Develop and maintain server-side applications using Python.Collaborate with front-end developers to integrate user-facing elements.Optimize applications for maximum speed and scalability.Participate in code reviews and contribute to team knowledge sharing.Stay updated with emerging technologies and best practices.

We are seeking a talented and experienced Senior Python Developer to join our dynamic team at iliad-free in Paris. This role offers an exciting opportunity to work on innovative projects and contribute to the development of cutting-edge technology solutions.The ideal candidate will have a strong background in Python programming, experience with web frameworks, and a passion for delivering high-quality software. You will collaborate with cross-functional teams to design, develop, and maintain software applications that meet the needs of our users.

About H:At H, we are at the forefront of advancing superintelligence through agentic AI. Our mission is to automate intricate, multi-step tasks that are traditionally handled by humans, enabling AI agents to unlock the full potential of human capabilities.We are on the lookout for the brightest minds in AI, those who are as committed to building responsibly and safely as they are to pioneering groundbreaking agentic functionalities. We foster a culture of openness, continuous learning, and collaboration, where every team member's contribution is valued.About the Team:The Product Engineering Team plays a critical role in the successful deployment and management of our Agents and Inference platforms, alongside auxiliary services that support our Research department and lay the groundwork for innovative agentic products and services that we offer to the market.Key Responsibilities:Lead the definition of technical architecture, design, and long-term engineering strategy.Design, develop, and maintain complex, high-performance, scalable systems.Mentor and guide engineers across various teams to foster a culture of technical excellence.Perform comprehensive code and design reviews to ensure adherence to quality and security best practices.Collaborate with Research, Engineering, and stakeholders to deliver impactful solutions.Drive enhancements in system reliability, scalability, and observability.Establish and uphold engineering standards, tooling, and processes.Advocate for technical innovation and proactively manage technical debt.

Join Meritis as a Senior Python Developer / DevOps Engineer and become a key player in our dynamic team. We are looking for an experienced professional who is passionate about software development and cloud technologies. In this role, you will design, develop, and maintain robust Python applications while leveraging DevOps practices to enhance our deployment processes.

Join Meritis, a leading consultancy in the tech space, as a Python Developer (H/F). In this role, you will leverage your programming skills to contribute to diverse projects, developing innovative solutions and enhancing existing systems.We are looking for passionate individuals who are eager to learn and grow in a dynamic environment. This position offers the opportunity to work with cutting-edge technologies and collaborate with talented professionals.

Join CAPFI, a consulting firm specializing in IT and Financial Markets, where we have a dedicated team focused on this strategic domain.Our consultants combine technical expertise, applied mathematics skills, and a deep understanding of financial challenges to work on high-impact projects, including:Project Management & Business Analysis in Financial MarketsFinancial Engineering (Front Office, Risk Management, R&D)Your Responsibilities As a Python Developer / Software Engineer, you will be integrated into an agile team and will work with our major clients (investment banks, asset managers, fintechs, etc.) on back-end or full-stack projects:Analyze technical architecture and validate proposed changesDevelop tools for data analysis and processingDesign and implement new features on modern infrastructuresAutomate testing (unit, integration, functional)Participate in user demonstrations and acceptance testingContribute to production releases in collaboration with DevOps and security teamsWeb and service development (FastAPI, Flask, Django, NGINX, Apache, etc.)Implement deployment and operational proceduresSet up and manage CI/CD pipelines (GitLab CI, Jenkins, Bitbucket, Ansible, Docker, etc.)Draft test plans and technical documentationYou Are the Right Candidate If:You thrive in a demanding, stimulating, and collaborative environmentYou are passionate about Python development and solving complex problemsYou possess strong technical knowledge (Python, testing, CI/CD, software architecture)You have a natural curiosity for Financial MarketsYou hold a degree from an engineering school or equivalent and have at least 3 years of experience in Python development within a structured contextWhat CAPFI Offers YouAt CAPFI, we place collective knowledge sharing and freedom of growth at the heart of our culture. We offer a flexible work environment, ...

Join Our Innovative TeamBecome a pivotal member of the Healthcare Access stream within the Patient Domain at Doctolib. This stream is essential to our product, guiding patients through their entire journey to accessing care, from finding the right practitioner to booking their appointment and beyond.Our teams are addressing some of the most compelling and impactful challenges in digital health: enhancing search and discovery experiences to enable patients to find the right care faster, developing seamless appointment booking processes that function effectively at scale, designing a delightful and dependable patient app experience, and broadening access to healthcare for new users and diverse use cases across Europe.As a Staff Engineer in this stream, your contributions will directly influence the interfaces and systems utilized by millions of patients daily. Here, web performance, frontend architecture, and user experience are not mere engineering considerations; they are integral to how individuals access their health.

Meritis is hiring a Python Developer with a background in financial markets. This role is based in Paris and centers on building and enhancing software for clients in the finance sector. The position involves both new development and ongoing improvement of existing financial tools. Responsibilities Design and implement Python-based solutions for financial market applications Work directly with clients to gather requirements and deliver tailored software Improve and maintain financial systems already in use Location This position is located in Paris.

At Outsight, we specialize in innovative software solutions that leverage 3D LiDAR data to monitor the movements of people and vehicles.Our advanced Spatial Intelligence data is invaluable for operators of transportation hubs, including airports and railway stations, as well as sports venues, road infrastructure, and industrial sites. This data helps enhance operations while ensuring user safety and satisfaction.Our diverse team of scientists and engineers is dedicated to developing cutting-edge solutions from our offices in Paris, San Francisco, Sophia-Antipolis (Nice), and Hong Kong, with a commercial presence in Spain to support our global outreach.Learn more about us here: Insights about OutsightExplore insightful articles that illustrate our work: How LiDAR helps Airports manage increased traffic and People Monitoring using LiDAR.

Location: Paris About H H is focused on advancing superintelligence through agentic AI. The team builds AI agents that automate complex, multi-step tasks typically handled by people, aiming to expand what humans can achieve. The company values safety, responsibility, and technical ambition. Openness, ongoing learning, and collaboration shape the culture, and every team member’s perspective matters. About the Inference Team The Inference team designs and improves the infrastructure behind H-models, which power the company’s agent technology. The group’s main goals are to optimize hardware use for high throughput, low latency, and cost efficiency, so users get a seamless experience. What You Will Do Design and build scalable inference pipelines that deliver low latency and control costs. Boost model performance by optimizing memory use, throughput, and latency, using methods like distributed computing, model compression, quantization, and caching. Develop custom GPU kernels for tasks where speed is critical, such as attention mechanisms and matrix multiplications. Work closely with H’s research teams to refine model architectures and improve inference efficiency. Keep up with new research in the field, reviewing recent papers and techniques to improve memory, throughput, and latency (for example: Flash attention, Paged Attention, Continuous batching). Identify, prioritize, and implement the latest inference techniques. Requirements Technical Skills: Master’s or PhD in Computer Science, Machine Learning, or a related field. Skilled in at least one programming language: Python, Rust, or C/C++. Experience with GPU programming frameworks such as CUDA, Open AI Triton, or Metal. Knowledge of model compression and quantization methods. Soft Skills: Works well in collaborative, multidisciplinary teams. Strong communicator and comfortable presenting ideas. Eager to take on new challenges.

Join Meritis as a Commando Python Front-Office Developer (H/F) in the vibrant city of Paris. We are looking for talented individuals to enhance our front-office applications using Python, delivering innovative solutions that meet the needs of our clients.

Join our dynamic team at iliad-free as a Senior Python/Django Developer. In this pivotal role, you will be responsible for designing, developing, and maintaining high-quality web applications that enhance user experience in the Free TV sector. You will collaborate with cross-functional teams to deliver innovative solutions that address real-world challenges.

Nous recherchons un Développeur Python passionné pour rejoindre notre équipe dynamique chez Meritis, un acteur clé dans le domaine des technologies numériques. Vous travaillerez sur des projets innovants, en collaborant avec des professionnels talentueux pour créer des solutions logicielles de haute qualité.En tant que développeur Python, vous serez responsable de la conception, du développement et de la mise en œuvre de systèmes robustes et évolutifs. Vous utiliserez les meilleures pratiques de développement pour garantir un code propre et maintenable.

Who Are We?At MARGO, our consultants focus on what truly matters: tackling complex projects that combine intellectual challenges with real business impact. We partner with leading players in finance, industry, and tech 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 at MARGO for five years. Working alongside them means benefiting from extensive company knowledge, receiving close support in your professional growth, and contributing to demanding IT projects that have a significant impact on our clients.Your ResponsibilitiesYou will collaborate closely with research and business teams, enabling regular feedback and participation in various strategic changes. The goal is to transform, migrate, and optimize the tools we use.As a Python R&D Developer, your tasks will include:- Developing and adding new features using Python and C++- Participating in the redesign and optimization of various tools- Adhering to development standards and code quality- Implementing tests to reduce technical debt and improve Time to Market- Tackling technical challenges such as real-time processing, parallelization, and high data volumeYou will have the opportunity to grow in an agile and human-sized environment where technical excellence and coding best practices are at the heart of our activities.Technical challenges include algorithmic complexity, real-time performance, optimization, and scalability.Technical Stack: Back End: C++ and Python; Front End: JavaScript; Unix/Linux Environment.

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.

About Meritis Meritis is a consulting firm focused on IT and digital transformation projects. Based in Paris, the team supports clients across various industries with technology-driven solutions. Role Overview: C# Developer (H/F) The C# Developer will contribute to software development projects, building and improving applications in collaboration with colleagues from different disciplines. This role involves hands-on coding, problem-solving, and regular interaction with project teams to meet client needs.

Join Iliad as a Business Developer in Paris and play a crucial role in driving our growth and innovation. In this position, you will be responsible for identifying new business opportunities, building relationships with potential clients, and contributing to the strategic direction of our organization. This is an exciting opportunity for entry-level professionals eager to make a significant impact.