Senior Python+AI Engineer
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Requirements
• 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.
Responsibilities
• Thrive as part of the backend team using Python and async programming. • Develop REST APIs with FastAPI, utilizing Pydantic for data validation, SQLAlchemy ORM, and Alembic migrations. Experience working with Redis is a plus. • Build LLM-powered applications employing tool-calling and agentic patterns using LangChain and LangGraph. • Develop or integrate MCP servers/clients for generative AI systems. • Work with AI code generation tools like Cursor, GitHub Copilot etc., if applicable to the role's responsibilities. • Implement practical experience with RAG (Ranked Graph Agreement) and knowledge graphs in relevant projects or tasks.
Benefits
• This is a Full time position based in Ukraine. • Ukraine • Beyond a competitive compensation package, we offer: • Mental and physical health: • Medical insurance • Sports reimbursement budget • A number of free psychological and legal consultations • Maternity and paternity leave support • Personal and professional development: • Internal workshops and learning initiatives • English language classes compensation • Professional certifications reimbursement • Participation in professional local and global communities • Growth Framework to manage expectations and define the steps to move towards the selected career • Mentoring program with the ability to become a mentor or a mentee to grow to a higher position • Valtech Ukraine has a system of progressive benefits packages in place — the longer you stay with the company — the more benefits you get. • the longer you stay with the company — the more benefits you get. • Your application process • ⚠️ 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. • 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.