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Senior Automation Tester in Python (Agentic Gateway testing)

EPAM Systems

Remote · PolandSalary not disclosedfull-timeEPAM Systems Careers (remote abroad)

We are looking for a Senior Automation Tester in Python to join our team and build an Enterprise Agent Development Platform — a production-grade, cloud-native ecosystem that enables engineering teams to define, orchestrate, deploy, and observe AI agents at scale. The platform standardizes agent development across the organization using LangGraph and Strands Agents on AWS AgentCore Runtime.

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 agentic 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

Languages

    Work format
    Remote
    Seniority
    Senior
    Posted
    22 Oct 2026
    Last verified
    In the last 5 days

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