Mid-Level Python Developer (Backend)

About the Role:

We are looking for a Backend Engineer to build maintain and optimize high-concurrency backend systems for client projects. You will own features end-to-end taking them from technical design to deployment. You will leverage modern async Python strict type-safety and AI-assisted workflows to ship resilient code fast.

What You Will Do:

• Feature Delivery: Own backend features end-to-end from schema design and API endpoints to production deployment.
• API & Core Development: Write clean well-tested async Python code (e.g. FastAPI) and apply modern type-safety practices.
• Data & System Integration: Integrate backend services with relational databases (PostgreSQL SQLAlchemy/SQLModel) caching layers and asynchronous message queues.
• Smart Engineering: Integrate AI-assisted workflows (e.g. Cursor GitHub Copilot) across your daily lifecycle to rapidly prototype write boilerplate expand test coverage and debug faster.
• Quality & Reliability: Write comprehensive automated tests optimize query performance and ensure feature reliability in production.
• Team Collaboration: Work alongside cross-functional squads and client teams to refine technical specs conduct code reviews and ship software iteratively.

Qualifications :

What We Are Looking For:

• Modern Python: Strong hands-on experience with Python 3.11 including async programming (asyncio) typing and REST API frameworks (e.g. FastAPI).
• Database & Data Modeling: Practical experience working with relational databases (e.g. PostgreSQL) and writing efficient SQL/ORM queries.
• Engineering Practices: Proven habits around automated testing (pytest) code quality structured logging and git-based workflows.
• Production Delivery: Experience shipping code to production working with containers (Docker) and understanding basic deployment processes.
• Communication: Professional English fluency; ability to explain technical decisions clearly to teammates.

  Nice to Have:

• Practical experience with AI coding tools (e.g. GitHub Copilot Cursor) or openness to integrating them into your development habits.
• Knowledge of integrating AI/LLM components into backend workflows (e.g. LangChain vector databases).
• Experience with message brokers (RabbitMQ Kafka) or key-value stores (Redis).
• Familiarity with modern package managers linters and formatters (e.g. uv Poetry Ruff).
• Familiarity with cloud platforms (AWS GCP or Azure) and CI/CD pipelines.
• German language skills (B2).

Additional Information :

Why Join Sopra Steria Bulgaria:

• Global project experience with meaningful impact
• Continuous professional and personal development opportunities
• Secure and supportive work environment
• Accessible leadership and open communication
• Empowered teams driving #OneTeam success

Benefits:

• Competitive remuneration package
• Food vouchers
• 26 days of annual paid leave
• Comprehensive health life and travel insurance
• Extensive professional training programmes
• Multisport cards
• Modern office facilities are conveniently located at Metro Station G.M. Dimitrov Blvd.

Selection Process:

We carefully review every application and will contact you within the following week if we identify a potential match. As we dedicate time to assessing each application thoroughly we appreciate your patience throughout the process.

Equal Opportunity

At Sopra Steria Bulgaria we are committed to creating an inclusive workplace where everyone is treated with respect. We welcome applications from people of all backgrounds and experiences. All of our positions are open to people with disabilities.

Transparent & Fair Assessment

As part of our interview process you may be asked to complete a job-related case study or practical assessment. Candidates are evaluated using standardized role-specific criteria (Functional Expertise Analytical Capability Accountability Stakeholder Interaction and Collaboration) to ensure an objective fair and transparent selection process.

Candidate Data Privacy

Please read Sopra Sterias Candidate Data Protection Notice for more information about how we collect process and protect your personal data throughout the recruitment process.

At our organization we are committed to fighting against all forms of discrimination. We foster a work environment that is inclusive and respectful of all differences.

All of our positions are open to people with disabilities.

Remote Work :

No

Employment Type :

Full-time