Mid-Level Python Developer (Backend)

Posted 15 Hours Ago
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Hiring Remotely in Sofia, Sofia-grad, BGR
Remote or Hybrid
Entry level
Information Technology • Consulting
The Role
Build, maintain, and optimize high-concurrency backend systems using async Python. Own features from schema design and API development through deployment, integrate databases, caching, and message queues, write automated tests, optimize performance, and ensure production reliability. Collaborate with cross-functional and client teams on technical specifications, code reviews, and iterative delivery. The role also encourages AI-assisted development workflows and may involve cloud platforms, CI/CD, and AI/LLM integrations.
Summary Generated by Built In
Company Description

About Sopra Steria Bulgaria

Sopra Steria Bulgaria is part of the Sopra Steria Group, one of Europe's top technology consulting companies. We partner with customers across Germany and the DACH region, delivering software engineering, digital transformation, and business consulting services through international teams and long-term customer partnerships.

Joining us means being part of an international team where collaboration, knowledge sharing, and continuous learning are part of everyday work.

The world is how we shape it.
Let's shape it together.

Job Description

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
  • Approachable 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.

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 Steria's 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.

Skills Required

  • Strong hands-on experience with Python 3.11+, including async programming, typing, and REST API frameworks such as FastAPI
  • Practical experience with relational databases such as PostgreSQL and efficient SQL or ORM queries
  • Experience with automated testing using pytest, code quality practices, structured logging, and Git-based workflows
  • Experience shipping code to production, working with Docker containers, and understanding basic deployment processes
  • Professional English fluency and ability to clearly explain technical decisions
  • Experience with AI coding tools such as GitHub Copilot or Cursor
  • Knowledge of integrating AI or LLM components into backend workflows, including LangChain or vector databases
  • Experience with message brokers such as RabbitMQ or Kafka, or key-value stores such as Redis
  • Familiarity with package managers, linters, and formatters such as uv, Poetry, or Ruff
  • Familiarity with AWS, GCP, or Azure and CI/CD pipelines
  • German language skills at B2 level or higher
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The Company
HQ: Annecy
49,329 Employees

What We Do

Sopra Steria, a major Tech player in Europe with 56,000 employees in nearly 30 countries, is recognised for its consulting, digital services and software development. It helps its clients drive their digital transformation and obtain tangible and sustainable benefits. The Group provides end-to-end solutions to make large companies and organisations more competitive by combining in-depth knowledge of a wide range of business sectors and innovative technologies with a fully collaborative approach. Sopra Steria places people at the heart of everything it does and is committed to putting digital to work for its clients in order to build a positive future for all. In 2023, the Group generated revenues of €5.8 billion. The world is how we shape it

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