Senior Python Automation QA — AI Agent Platform

EPAM Systems; United States; Remote; USD 120,000 - 150,000; Full time

Job summary

EPAM Systems is seeking a Senior Automation Tester in Python to join our AI platform team. You will own functional, security, and performance test suites for an enterprise-grade agent development platform built on LangGraph and AWS AgentCore Runtime.

You will design and execute test suites for agentic workflows, validate MCP protocol behavior, ensure proper authorization, and drive observability and CI/CD automation across deployments.

Qualifications

• 3+ years of QA engineering experience for AI/ML or agent systems.
• Hands-on experience testing AI agent systems in a production agentic AI project (e.g., MCP protocol, authorization/policy-enforcement, or multi-step workflow test automation).
• Experience testing LLM agent workflows, including tool calling and multi-step reasoning.
• Expertise in security testing for authorization and authentication.
• Performance benchmarking for cloud services.
• Familiarity with MCP protocol testing.
• Background in agent framework testing (LangChain, LangGraph, Crew).
• Knowledge of AWS Bedrock Agents testing.
• Understanding of chaos engineering for agentic systems.
• Familiarity with audit log validation (CloudTrail, OpenTelemetry traces).

Responsibilities

• Design and execute test suites for agentic workflows, including tool discovery, tool invocation, and multi-step agent workflows.
• Validate MCP protocol behavior, including tool list aggregation, tool call routing, and streaming response handling.
• Verify agent authorization mechanisms, including unauthorized tool access attempts and policy enforcement validation.
• Conduct agent performance testing covering tool discovery latency, concurrent agent sessions, and agent-to-agent latency.
• Build Python-based test automation using pytest with async support, mock MCP servers, and agent workflow simulation.
• Validate agent observability, including trace completeness, agent step logging, and audit trail verification.
• Collaborate with engineering teams to define quality standards for agent framework design and runtime architecture.
• Support CI/CD automation efforts by integrating test suites into deployment pipelines.

Skills

Python

Pytest

Async testing

Security testing

Performance testing

CI/CD testing

MCP protocol testing

Agent framework testing

LangGraph

OpenTelemetry

Tools

CloudTrail

OpenTelemetry

LangGraph

LangChain

AWS Bedrock

Job description

EPAM Systems is seeking a Senior Automation Tester in Python to join our AI platform team. You will own functional, security, and performance test suites for an enterprise-grade agent development platform built on LangGraph and AWS AgentCore Runtime.

You will design and execute test suites for agentic workflows, validate MCP protocol behavior, ensure proper authorization, and drive observability and CI/CD automation across deployments.