Mid-Level Python Developer (GenAI)
Sopra Steria is hiring a Mid-Level Python Developer (GenAI) in Sofia, Bulgaria. Level rates it ; you can apply on Sopra Steria.
Level's read on this job
- Level rates this role Builds AI ●●●●: the job is building AI systems.
- Tools and skills the posting cites include OpenAI, Anthropic and Copilot.
- Level classifies it as a mid-level role.
- Level lists 2,000+ other open roles at Sopra Steria.
- The role was posted within the past two weeks.
AI in this role
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.
About the Role
We are looking for a GenAI Engineer to build and deliver practical AI and agentic features for client applications. You will implement multi-step agent workflows, connect LLMs with external APIs and databases, and take features from prototype to production. Working alongside international engineering squads, you'll help build production-grade AI applications that go beyond simple API wrappers.
What You Will Do:
- Agent Workflows: Implement stateful agentic workflows, prompt templates, and tool-calling flows using frameworks like LangGraph.
- System & Tool Integration: Connect LLMs and AI agents to internal and external APIs, databases, and third-party tools.
- RAG Implementation: Build and optimize retrieval-augmented generation (RAG) pipelines using vector databases and structured outputs.
- AI Safeguards: Implement standard safeguards for user-facing AI features, including rate limiting, content moderation, and basic guardrails.
- Smart Engineering: Use AI-assisted development tools (e.g., Cursor, GitHub Copilot) to accelerate coding, write unit tests, and troubleshoot complex issues.
- Evals & Quality: Apply prompt evaluation, tracing, and monitoring practices to ensure reliable output from AI components.
- Collaborative Execution: Partner with backend engineers and QA to integrate GenAI components seamlessly into core product architectures.
What We Are Looking For:
- Agentic Frameworks: Hands-on experience building agentic or LLM-driven workflows using frameworks like LangGraph, LangChain, or LlamaIndex.
- LLM API Integration: Practical experience integrating LLM APIs and provider platforms (e.g., OpenAI, Anthropic, Google Vertex AI).
- RAG & Vector Search: Working experience with vector databases (Pinecone, Weaviate, pgvector) and search/retrieval patterns.
- Python & API: Strong async Python skills and experience building REST APIs with FastAPI to serve web or AI services.
- AI Observability: Familiarity with AI guardrails, evaluation techniques, and observability tools (e.g., Langfuse, MLflow).
- Communication: Professional English fluency; ability to collaborate effectively in an agile, remote-first environment.
Nice to Have:
- Practical experience with AI coding tools (e.g., GitHub Copilot, Cursor), or openness to integrating them into your development habits.
- Familiarity with tool-calling standards or protocols (e.g., MCP, A2A).
- Hands-on experience with Docker, Kubernetes, and CI/CD pipelines (GitHub Actions, GitLab CI).
- Familiarity with modern Python tooling (e.g., uv, Poetry, Ruff).
- German language skills (B2+).
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 aligned with the EU Pay Transparency Directive.
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 and hiring 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.
How we rate this
Mid-Level Python Developer (GenAI) at Sopra Steria rates 90 out of 100 for how much of the daily work is AI. That makes it Builds AI (AI Level 4 of 4). The level is about AI in the job, not seniority.
Builds AI. The job is building AI systems.
- ●●●● Builds AI80 to 100
- ●●●○ Works on AI60 to 79
- ●●○○ Uses AI40 to 59
- ●○○○ Little AI0 to 39
Levels come from how often the tools, models and workflows of the role are named in the posting itself. Read the description and count the AI tools, models and workflows it names.
Prepare for this job
Built from this posting and from similar jobs on Level.
Skills and AI tools this role asks for
Questions you could be asked
- How would you design a retrieval step so the model answers from real data instead of guessing?
- How do you decide when an AI agent can act on its own versus asking for approval first?
- What are the limits of OpenAI that you've run into, and how did you work around them?
- What's a project where you used Anthropic hands-on?
- Walk me through how you've used Copilot in your day-to-day work.
Adapt your resume
- List these exact terms on your resume: RAG, AI agents, OpenAI, Anthropic, and Copilot. An applicant tracking system matches the wording, not the idea.
- Attach one line of real, concrete experience to at least one of them. A tool named with nothing behind it rarely survives a human read.
- Lead with what you built, trained or shipped. This role is judged on the AI system itself, not the tools around it.
Want an expert to read your CV for this job?
Free. Send your CV and the role you want next. We reply by email within 2 to 4 business days.
Get new software engineering jobs (Builds AI ●●●●) by email
One email a week with the new software engineering jobs (Builds AI ●●●●), each rated for how much AI is in the work. No recruiter spam, unsubscribe in one click.
Free. One email a week. Unsubscribe in one click.
Similar roles
Software Engineering roles that build AI, at other companies.
What kind of AI work fits you?
Answer 12 practical questions in about three minutes. Get a simple profile, the work it points to, and live roles to explore next.
Find my next step