Senior Java / Full-Stack Engineer (Cloud & AI)

We are looking for a Senior Java Engineer with a strong interest or experience in Full-Stack development (React/Angular) to join our Cloud & AI practice. The role involves developing scalable Java applications with AI capabilities, working with GenAI, RAG, and cloud-native services.

• Write high-quality, clean, and testable Java code using Spring Boot and microservices architecture
• Integrate Large Language Models (LLMs) and Generative AI capabilities into the Java backend using frameworks like LangChain4j or Spring AI
• Deploy, configure, and manage application services in AWS (ECS, Lambda, Bedrock) or Azure (Azure OpenAI, Azure Functions, CosmosDB)
• Contribute to frontend development using React or Angular to build and wire intuitive user interfaces for AI-driven features (e.g., chat interfaces, dashboards)
• Implement and optimize database queries, including vector search (PGVector, Pinecone, or Qdrant) for RAG-based systems
• Conduct thorough code reviews, write unit/integration tests, and ensure compliance with security and performance standards
• Support and guide junior and middle developers within the team

• 4+ years of commercial software development experience with Java and Spring Boot
• At least 1.5+ years of practical experience with AWS (ECS, Lambda, RDS) OR Azure (Azure Functions, App Services, SQL/NoSQL)
• Hands-on experience with: Connecting applications to LLMs (OpenAI, Anthropic, Bedrock, or Azure OpenAI via APIs)
• Hands-on experience with: Java-based AI libraries (e.g., LangChain4j, Spring AI)
• Hands-on experience with: Basic understanding of RAG (Retrieval-Augmented Generation) and vector search concepts
• Proficiency with Docker, SQL, CI/CD tools (Jenkins, GitLab CI, or GitHub Actions), and Git
• English proficiency at B2 level or above
• Strong analytical, debugging, and self-organization skills
• Nice to have: Practical experience or a strong willingness to work with modern frontend technologies (React, Angular, or TypeScript) to deliver end-to-end full-stack features
• Nice to have: Experience with data pipelines and basic model serving

• Work on a flexible schedule remotely or from any of our comfortable offices or coworking spaces in Ukraine
• Receive the necessary equipment to perform your work tasks
• Change projects and technology stacks within EPAM
• Gain experience in various business domains (Insurance, E-commerce, Healthcare, Finance, Travelling, Media, Artificial Intelligence, and more)
• Relocation opportunities may be available for eligible candidates
• Participate in volunteer, charity programs and communities (both technical and interest-based)
• Plan your individual career path together with your manager
• Receive regular feedback from colleagues
• Improve your English for free with certified teachers
• Get the opportunity to undergo free training and certification in AWS, GCP, or Azure Clouds
• Use the internal E-learn training program (18,200+ specialized training and mentoring programs)
• Access corporate accounts on LinkedIn Learning, Get Abstract and other partner resources
• Study at EPAM Solution Architecture School
• Develop as a leader, join Delivery Management, Resource Management, Leadership Essentials school and more
• Participate in internal communities (500+ meetups, technical discussions, brainstorming sessions, online events and conferences annually)
• Vacation and sick leave (including a sick leave without a medical certificate)
• A wide range of Voluntary Medical Insurance programs
• Medical insurance for family members at corporate rates
• Company support during significant life events (childbirth or adoption, marriage, etc.)
• Support for psychological comfort: discounts on services from mental health specialists or coaches, thematic training
• E-kids program - a free programming language training program for EPAMers' children