Senior Full-Stack Engineer, AI Platform & Agents

We are looking for a Senior Full-Stack Engineer to join our team, where our primary focus is developing AI agents, as well as the backend and frontend for related applications. With 20+ agents launched, we accelerate innovation across critical industries. You'll work in a high-impact, high-autonomy environment, taking projects from concept to production.

Feel free to work remotely from anywhere across Lithuania or connect with colleagues at our Vilnius and Kaunas offices. Responsibilities

• Design and implementation of backend and full-stack applications, AI agents and platform components
• Development of developer tooling, CI/CD and observability for safe, fast iteration
• Application of secure SDLC and privacy-by-design practices
• Collaboration with cross-functional teams to deliver customer-focused solutions
• Use of current LLM patterns (RAG, retrieval, routing, tool-use, evals) to deliver reliable, efficient AI systems

Requirements

• 5+ years of professional software engineering experience
• Strong skills in full-stack development
• Expertise in building AI agents with TypeScript, .NET or Go
• Familiarity with cloud platforms such as AWS, Azure or GCP
• Proven track record delivering secure, reliable, cloud-native systems
• Excellent problem-solving and communication skills

Nice to have

• Experience with LangChain/LangGraph, vector/RAG systems or OpenSearch
• ML experience including training, deployment and monitoring
• Understanding of LLMs, fine-tuning and model adaptation

We offer

• Engineering Heritage: Best-in-class experts sharing a culture of engineering excellence and tackling complex engineering challenges for over 30 years
• Advanced Tech Stack: Innovative projects where you can apply or enhance your expertise in Cloud, Data, AI, and other emerging technologies
• World-Class Clients: Work closely with 340+ of the Forbes Global 2000 on creating disruptive solutions that make a global impact
• Professional Growth: Exceptional support for career development with comprehensive resources for upskilling or reskilling in pioneering practices
• GenAI Community: Strong AI competencies with 600+ experts across 55+ locations driving GenAI-enabled transformation journeys
• Entrepreneurial Culture: If you're passionate and dedicated to improving business transformation, we provide the support you need to bring your ideas to life
• Hybrid Setup: The flexibility to work from any location in Lithuania, whether it's your home or our dynamic offices in Vilnius and Kaunas
• Other Benefits: Additional vacation and trust days, private health insurance, Employee Stock Purchase Plan and more

Salary range €4.6K-€5.5K gross, based on your experience and interview results. EPAM is a leading global provider of digital platform engineering and development services. For over 30 years, our team has helped leading brands navigate the waves of digital transformation, building solutions that help them stay competitive through constant market disruption.With offices in 55+ countries, EPAM has grown in Lithuania to over 1,300+ talented innovators in just 5 years. We foster creativity and unconventional ways of doing things, welcoming like-minded professionals to join us.