Senior Python Backend Engineer — Flexible

We are looking for a Senior Backend Software Engineer to help build the backend foundation. This role is focused on designing and developing robust backend services, APIs, and application logic, while also helping integrate our computational engine into a modern SaaS platform. You will work closely with front-end developers, infrastructure/DevOps engineers,...

A dynamic fintech company in Brussels is looking for a Backend Developer to design scalable services using Python and Django. The ideal candidate will have at least 5 years of backend development experience, strong Python skills, and the ability to collaborate within cross-functional teams. You'll work on financial products, maintain APIs, and ensure service...

NVISO Labs seeks an experienced Software Engineer to help design and build scalable back-end services, primarily in Python, leveraging Azure Functions and App Services. You will design APIs and integrate back-end components with both internal and customer-facing platforms.The role emphasizes secure, maintainable, production-ready code, with a focus on...

Everience, cabinet de conseil international, recherche un Senior Python Developer pour Bruxelles. Vous concevrez et développerez des services backend en Python et définirez des API et pipelines de données pour l'écosystème d'applications.Vous travaillerez avec PostgreSQL, AWS et Docker, en intégrant des systèmes de messagerie pour l'ingestion en temps...

Black Swans Exist is seeking a Senior Backend Software Engineer to design and develop scalable backend services and APIs for a modern SaaS platform. You will integrate the computational engine into the Insilico Suite, collaborating with scientists and engineers to support complex workflows.Expect ownership of architecture, reliability, and performance, with...

ictjob.be is seeking a Python backend engineer to develop backend services for asset onboarding and market operations. You will build APIs and data pipelines to connect internal and external data sources, and implement real-time data ingestion with MQTT and RabbitMQ.You will work with PostgreSQL for relational/time-series data, and leverage AWS (RDS, S3,...

Wemanity Reply Belgium is seeking a skilled software engineer to design and build backend services and agentic components in Python, contributing to multi-country AI projects for financial institutions.You will integrate LLMs and agent frameworks with enterprise systems using APIs, queues and data stores, work with SQL/NoSQL databases, containers and cloud...

Phoenix Technologies Belgium is seeking a seasoned data engineer and backend developer to design and maintain data pipelines and microservices, with a focus on data engineering and scalable backend systems. You'll work with Java 21, Python and Go, explore greenfield components, set up ELT processes, and integrate data from sources to the data lake and data...

Nebius is hiring a Senior Backend Software Engineer for the Cloud Monetization Platform, based in Amsterdam or remote. You will help power the commercial foundation of Nebius Cloud, designing distributed backend systems and reliable workflows across multiple microservices.The role requires 5+ years of software experience, strong Python knowledge (or...