Senior Python Developer
Summary
Senior Python Developer at Avenga joining a long-term ERP modernization project in the retail domain, building and optimizing backend services, event-driven integrations, and system architecture across European markets. Core stack: Python, FastAPI, SQLAlchemy, RabbitMQ, SQL, Docker/Kubernetes.
Avenga is an international engineering firm helping businesses operate with AI at the core. With 6,000+ experts worldwide, we combine engineering expertise with AI-native thinking to turn ambitious ideas into real-world impact across industries, technologies, and markets.
At the core of the role
We are looking for a Senior Python Developer to join a long-term ERP modernization project in the retail domain. You will build and optimize backend services, improve system architecture, and develop integrations supporting operations across multiple European markets.
You will collaborate with a cross-functional Scrum team of developers, QA engineers, Product Owners, and Operations specialists, contributing to technical decisions and scalable solutions.
Core skills you’ll bring
7+ years of backend engineering experience with strong Python expertise
Strong knowledge of FastAPI, SQLAlchemy, and REST APIs
Experience with RabbitMQ, event-driven architecture, and asynchronous communication
Strong SQL skills, including ORM performance and query optimization
Experience with microservices, distributed systems, and service decomposition
Knowledge of Git, CI/CD, Docker, and Kubernetes/OpenShift
Understanding of authentication and authorization (RBAC, ABAC, JWT)
Advanced English and strong communication skills
Nice-to-have
GitLab CI/CD, GitOps, and monitoring tools (Prometheus, Grafana, Sentry)
Microsoft/Azure identity and access management experience
Experience with AI-assisted development tools
The impact you'll create
Develop and optimize backend services and APIs using Python, FastAPI, and SQLAlchemy
Design event-driven integrations and modernize backend architecture for scalability and maintainability
Improve database performance, security, and system reliability
Support CI/CD, deployments, and production troubleshooting while collaborating with cross-functional teams
What supports your journey
Long-term project with meaningful technical challenges
Opportunity to influence architectural decisions
Collaborative team environment and continuous professional growth
People are at the core of Avenga. We provide equal opportunities regardless of race, ethnicity, gender identity, sexual orientation, disability, age, religion, or any other characteristic. We are committed to a respectful environment where everyone can be themselves, share their ideas, and feel that they belong.