backend engineer

Chariot is seeking an experienced backend lead to take our platform to the next level. You will drive the evolution of our banking and DAF products, shape the technology strategy, and mentor a growing team of software engineers in a fast-paced, mission-driven environment.You will partner with the CEO and founding engineers to build scalable systems that...

Lever, Inc. is seeking a Backend Engineer with expertise in high-volume delivery systems to build and operate scalable email infrastructure.The role focuses on SMTP delivery, MTA operations, routing, retries, and delivery controls, while improving reliability, observability, and safety of sending. You will partner with Trust & Safety and Core Sending teams...

Magellan, groupe international de conseil en management et technologies, recrute pour Mérignac un Lead Developer Java expérimenté. Vous supervisez les aspects techniques, encadrez une équipe de développeurs juniors et assurez la conception et le développement d’outils selon un cahier des charges précis.Vous intervenez sur une stack Java 17 / Spring...

Voodoo is a Paris-based consumer tech company building a scalable backend for its live games. You will own and implement backend features, collaborating with game designers, client developers, product, and data teams from design to launch, while ensuring robust, scalable systems for events, progression, and live ops.We seek a senior backend engineer with...

Diabolocom, a European provider of AI-first CCaaS and CX solutions, is expanding its internal engineering team and inviting applications for a Senior Backend Software Engineer in our Voice Squad. You will design and implement scalable backend services, focusing on reliability and performance in a distributed system.The role demands 7+ years in software...

Ubisoft is seeking a Golang Developer to join the Monitoring team in Saint-Mandé. You will develop and support tooling for the monitoring ecosystem, work with cloud and virtualization technologies, and leverage Golang, Kubernetes, Docker, and Prometheus to improve the platform's observability.You will collaborate across the team to implement new monitoring...

Hire Feed's client is seeking a Python Developer on a contract basis to build, test, and maintain Python applications and systems. You will work with cross-functional teams to deliver scalable backend solutions and ensure high performance and reliability.You should have at least 3 years of Python experience with Django, Flask, or FastAPI, be comfortable with...

Jobtailor is seeking a backend engineer to design and develop the backend for AI systems. You will build AI-focused backend applications with Python, emphasizing production-grade code.Contribute to the backend of Reemia’s interface, implementing architectures for agent orchestration capable of handling large data volumes, in a cloud environment (AWS)....

Swan is seeking a Software Engineer to join its tech team of 70+ for a multi-month project. The engineering team spans software developers, infrastructure, devops, QA and security, with a focus on a reactive architecture.You will collaborate with the product team to design the bank-by-API, optimize backend performance, and ensure adherence to architecture...

Oodrive, éditeur français de logiciels à Paris, recherche un développeur backend expérimenté pour rejoindre une équipe d'une dizaine d'ingénieurs (Back, Front, Mobile). Vous contribuerez au développement de notre plateforme collaborative sécurisée et souveraine, en veillant à la qualité et à l'architecture.Vous maîtrisez Java, Spring Boot et...

The mission of Speechify is to make sure that reading is never a barrier to learning.Over 50 million people use Speechify’s text-to-speech products to turn whatever they’re reading – PDFs, books, Google Docs, news articles, websites – into audio, so they can read faster, read more, and remember more. Speechify’s text-to-speech reading products...

About Voodoo Voodoo is a consumer tech company founded in Paris in 2013, with one mission: entertain the world. Today we are 1,000 people, generating $1b+ in annual revenue, profitably. Our games and apps have passed 7 billion downloads and reach 200 million+ active users every month, making Voodoo the #3 mobile publisher worldwide in downloads, after Google...

VISEO, acteur du numérique, recherche un Développeur Java Senior pour piloter le développement backend moderne (Java 17/21, Spring Boot, microservices) et concevoir des architectures solides.Vous optimiserez la performance, la scalabilité et la qualité via tests (JUnit, Mockito, Testcontainers), revues de code et CI/CD, tout en guidant les développeurs...

Nexpublica recherche un Développeur Backend Senior Java / IA pour renforcer sa plateforme SIRH SaaS. Vous contribuerez à la conception et à l’industrialisation des services backend, assurant robustesse, sécurité et évolutivité.Le rôle implique le développement d’API REST performantes, la gestion de la persistance des données et l’intégration...

STEP UP accompagne un partenaire dans un projet SaaS et recherche un(e) Software Engineer .NET Senior pour faire évoluer une plateforme de télérelève multi-tenant.Vous intègrerez l'équipe Metering, travaillerez sur des composants backend C#/.NET, optimiserez les performances, assurerez l'observabilité et participerez à l'industrialisation des...

Pragmatike recrute pour le compte d'une entreprise technologique axée sur les produits et en forte croissance, qui conçoit des plateformes à forte intensité de données utilisées à grande échelle sur plusieurs marchés. Le poste est d’environ 70 % backend et 30 % frontend, idéal pour les ingénieurs qui aiment le travail de backend tout en restant...

Escape, a Paris-based, fast-growing AI-powered cybersecurity company, is seeking a Senior Backend Engineer to join a security research team and translate research into production-grade scanning and detection systems.You will own design and delivery of agentic scanning, AI-driven testing, and scalable infrastructure using Python, Go, Kubernetes, and modern...

Lever, Inc. is seeking a Backend Engineer (PHP) based in France to join a high-scale team building a microservices-driven backend for a global gaming marketplace.You will own and evolve backend services, design robust APIs, and collaborate across frontend, mobile, design, data, and platform teams to deliver reliable features used by millions. You’ll apply...

Tata Consultancy Services (TCS) is hiring Java Developers for roles across India. Key responsibilities include designing, developing and deploying microservices with Spring Boot, building REST APIs, and integrating with Kafka, RabbitMQ, and databases.Candidates should have strong Java skills and experience with CI/CD tools. Opportunities in Bangalore,...

Onyx-Conseil recherche un expert backend pour concevoir l’architecture des agents autonomes et les systèmes distribués au sein du Centre d’excellence. Vous définirez les interfaces, les microservices asynchrones et les flux de données, en assurant une intégration fluide avec les outils LLM et les environnements d’IA d’entreprise.Le poste demande...