Lead Kotlin Engineer

About the Position

Lead Kotlin Engineer

Lead · Remote · Ukraine

We are seeking a Lead Kotlin Engineer to guide the design and delivery of scalable backend systems while providing technical leadership across the engineering team.

Responsibilities

• Lead the architecture and development of backend services using Kotlin
• Design and maintain distributed systems with a focus on caching strategies, queues, and event-driven processing
• Drive the implementation of service-contract frameworks using gRPC, Protobuf, and REST
• Oversee data modeling and integration efforts across DynamoDB and PostgreSQL
• Establish best practices for CI/CD pipelines and Infrastructure as Code
• Mentor engineers and provide technical direction within a leadership capacity
• Collaborate on the integration of LLM/AI engineering solutions, including RAG pipelines and agentic patterns
• Evaluate and adopt orchestration frameworks and managed RAG/vector services to support AI-driven features
• Ensure high standards of scalability, reliability, and maintainability across cloud-based deployments

Requirements

• 6+ years of experience in software engineering, including 2+ years in a technical leadership role
• Proficiency in Kotlin
• Strong experience with AWS, particularly EKS, along with Docker, Kubernetes
• Experience in CI/CD and Infrastructure as Code
• Strong experience with gRPC, Protobuf, and HTTP/REST as service-contract frameworks
• Hands-on experience with DynamoDB and PostgreSQL, including data modeling for product features
• Solid understanding of distributed systems, including caching strategies, queues, eventual consistency, and asynchronous/event-driven processing
• Solid grounding in LLM/AI engineering fundamentals, including prompt design, RAG pipelines, agentic patterns, tool use, and LLM evaluation
• Hands-on experience with Spring AI LLM orchestration framework or similar frameworks
• Hands-on experience with AWS Bedrock AgentCore and Knowledge Bases or similar managed RAG/vector services
• English proficiency at B2+ level or above

What We Offer

With us you can:

• 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, depending on the role and openings at other EPAM locations
• Participate in volunteer, charity programs and communities (both technical and interest-based)

We focus on your professional growth:

• You can plan your individual career path together with your manager
• Receive regular feedback from colleagues
• Improve your English for free with certified teachers (Speaking Clubs, client interview preparation courses, etc.)
• 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 with the instructors who are practicing architects
• 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)

Additional Benefits:

• Vacation and sick leave (including a sick leave without a medical certificate)
• A wide range of Voluntary Medical Insurance programs providing both medical treatment and various preventive options (including sports activities)
• 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