Why Valtech? We’re the experience innovation company - a trusted partner to the world’s most recognized brands. To our people we offer growth opportunities, a values-driven culture, international careers and the chance to shape the future of experience.
The opportunity
At Valtech, you’ll find an environment designed for continuous learning, meaningful impact, and professional growth. Whether you're pioneering new digital solutions, challenging conventional thinking or building the next generation of customer experiences, your work will help transform industries.
We are proud of:
- The work we do and the innovation we drive
- Our values of share, care and dare
- A workplace culture that fosters creativity, diversity and autonomy
- Our borderless, global framework, which enables seamless collaboration
The role
We are looking for a Senior Python Engineer, to join the existing backend team.
You will thrive in this role if you are:
- A curious problem solver who challenges the status quo
- A collaborator who values teamwork and knowledge-sharing
- Excited by the intersection of technology, creativity and data
- Experienced in Agile methodologies and consulting (a plus)
Must have qualifications
To be considered for this role, you must meet the following essential qualifications:
Backend & API Engineering
- Strong experience with Python (3.10+) and async programming in production
- Hands-on FastAPI delivery (REST APIs, OpenAPI), experience with Pydantic, SQLAlchemy and Alembic migrations
- Experience with Redis would be a plus for caching and pub/sub where needed is a plus
- Working experience with TypeScript and React (Next.js) is a plus
Generative AI & Agentic Systems
- Practical experience building LLM-powered applications with tool-calling and agentic patterns
- Strong familiarity with LangChain and LangGraph for stateful, multi-agent orchestration
- Experience developing or integrating MCP servers/clients
- Experience working with AI code generation tools (e.g., Cursor, GitHub Copilot etc.)
- Practical experience with RAG. Would be a plus Knowledge Graphs and Graph RAG
Development Tools & Observability
- Familiarity with Docker in production environments
- Familiarity with Azure delivery patterns and CI/CD workflows
- Working knowledge of LLM observability (e.g., Langfuse, LangSmith), structured logging, and trace-based debugging
If you do not meet all the listed qualifications or have gaps in your experience, we still encourage you to apply. At Valtech, we recognize that talent comes in many forms, and we value diverse perspectives and a willingness to learn.
Commitment to reaching all kinds of people
We design experiences that work for all kinds of people - and that starts with our own teams. At Valtech, we’re intentional about building an inclusive culture where everyone feels supported to grow, thrive and achieve their goals. No matter your background, you belong here. Explore our Diversity & Inclusion site to see how we’re creating a more equitable Valtech for all.
The benefits
This is a Full time position based in Bulgaria.
Beyond a competitive compensation package, we offer:
- Flexibility, with remote and hybrid work options and 25 vacation days for a healthy work-life balance.
- Co-subsidized transportation & Multisport cards.
- Premium health insurance for fast and easy access to top healthcare services.
- Training policy for technical and other skills-related events, courses and certifications.
- Personal career development roadmap guided by performance evaluations.
- Self-care program offering psychological consultations & discussions for you and the team.
- Cozy office space designed for comfort and productivity.
- Exciting team events and company gatherings.
Your application process
Once you apply, our Talent Acquisition team will review your application. Your CV should cover key information on relevant experiences and expertise. We do not require information such as age, gender, marital status, or a headshot in your application. We review all candidates based on skills, experience, and potential.
⚠️ Beware of recruitment fraud!
We are committed to inclusion and accessibility. If you need reasonable accommodations during the interview process, please either indicate it in your application or let your Talent Partner know.
About Valtech
Valtech is the experience innovation company that exists to unlock a better way to experience the world. By blending crafts, categories, and cultures, we help brands unlock new value in an increasingly digital world.
At the intersection of data, AI, creativity, and technology, we drive transformation for leading organizations, including L’Oréal, Mars, Audi, P&G, Volkswagen Dolby, and more.
At Valtech, we don’t just talk about transformation. We make it happen. Our people are the heart of our success, and we foster a workplace where everyone has the support to thrive, grow and innovate.
Are you ready to create what’s next? Join us.