Hybrid Senior AI Engineer — Agentic Backend & AI Solutions

EPAM Systems, Inc.; Greater London; Hybrid; GBP 100,000 - 150,000; Full time

Benefits offered by this job

EPAM ESPP

Private medical insurance

Dental care

Pension plan

Cyclescheme/Season ticket loans

Lunch in-office & massages

Job summary

EPAM Systems, Inc. in London is seeking a Senior AI Engineer – Agentic AI & Backend. You will design and implement agentic AI solutions and backend services, building APIs with Python (FastAPI) and orchestrating workflows.

You’ll work across enterprise clients to deliver production-ready systems and measurable outcomes, leveraging Azure/AWS and leading AI frameworks. The role combines backend engineering with agentic innovations in a hybrid work setting.

Qualifications

• 4+ years hands-on ML/AI engineering experience.
• Strong Python backend development experience.
• Experience with agentic/LLM-powered applications beyond prototypes.
• Knowledge of API design, asynchronous processing, testing and production reliability.
• Experience with Azure or AWS cloud environments.

Responsibilities

• Design and implement AI solutions focusing on agentic workflows and backend engineering.
• Build backend services and APIs in Python using frameworks such as FastAPI or similar.
• Develop orchestration patterns for agentic workflows including intent classification, tool calling, routing and supervisor/worker flows.
• Create and maintain AI tools and skills with clear interfaces, testing and secure execution.
• Configure and integrate MCP servers and clients for enterprise-grade agent connectivity.
• Develop RAG-based solutions, including GraphRAG and Agentic RAG, aligned with client requirements.
• Work with agent frameworks and SDKs (Pydantic AI, LangGraph/LangChain, Microsoft agent platforms).
• Define evaluation strategies for agentic systems using automated and human-in-the-loop methods.
• Implement telemetry and observability solutions to monitor performance and quality.

Skills

Python backend

Backend engineering

Agentic workflows

LLM-powered apps

API design

Asynchronous processing

Testing & reliability

Telemetry & observability

Cloud environments (Azure/AWS)

Evaluation methodologies

Education

Bachelor's degree in Computer Science or Engineering

Master's degree in Computer Science or related field

PhD with relevant experience

Tools

FastAPI

LangChain/LangGraph

Pydantic AI

Microsoft agent platforms

MCP server/client

Claude Code / OpenAI Codex / GitHub Copilot

Job description

EPAM Systems, Inc. in London is seeking a Senior AI Engineer – Agentic AI & Backend. You will design and implement agentic AI solutions and backend services, building APIs with Python (FastAPI) and orchestrating workflows.

You’ll work across enterprise clients to deliver production-ready systems and measurable outcomes, leveraging Azure/AWS and leading AI frameworks. The role combines backend engineering with agentic innovations in a hybrid work setting.