Senior Platform Engineer - Generative AI

We are looking for a Senior Platform Engineer - Generative AI to join our team building 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. The initiative spans agent framework design, runtime architecture, marketplace integration, CI/CD automation, and enterprise-grade observability — reducing agent development from months to days while enforcing consistent security, quality, and governance standards. Responsibilities Implement agent promotion workflows across environment progression (dev to qa to prod) with evaluation gate enforcementBuild agent rollback mechanisms to revert production agents to previous versions with validation such as health checks and smoke testsManage AWS AgentCore Runtime endpoints, including DEFAULT alias for latest versions and named endpoints for environment pinningEnforce agent evaluation gates to block promotion to qa/prod when agents fail quality checks such as PII safety and workflow accuracyRun agent version comparisons by executing the same evaluation suite against two agent versions to detect regressionDevelop Python automation for agent lifecycle operations Requirements 3+ years of platform or backend engineering experience with AI/ML systemsHands-on experience with agent promotion, evaluation-gate, or rollback workflows in a production agentic AI project, such as AWS AgentCore Runtime endpoint/alias management, agent version comparison for regression detection, or blue/green rollback for LLM agentsExperience with multi-environment deployment and promotion workflowsExperience with rollback automation and safety validationExperience with quality gate enforcement in deployment pipelinesEnglish proficiency at B2 level or higher Nice to have Familiarity with AWS AgentCore Evaluation API hands-on usageExperience with agent regression testing and version comparisonKnowledge of blue/green or canary deployment patterns for LLM agentsExperience with agent health monitoring post-deployment We offer We gather like-minded people:Top tech minds driving innovation in AI, cloud and digital platform modernizationSupportive team and agile, startup-like cultureHybrid by design mode and opportunity to work remotely within PolandChance to work abroad for up to 60 days annuallyBusiness-driven relocation opportunitiesWe provide growth opportunities:Career development programsThought leadership, mentoring, soft skills and well-being programsCertification (Anthropic, Gemini, GCP, Azure, AWS)English classesWe cover it all:Stable payParticipation in the Employee Stock Purchase Plan with a 15% discountBenefits package (health insurance, multisport, shopping vouchers)Referral bonuses up to $2,000Offices featuring entertainment and relaxation zones, table tennis and football, free snacks, coffee and moreCorporate, social and well-being eventsPlease, note:Benefits listed above are available to employees onlyWe are open for working with Contractors. Terms of B2B cooperation agreements are agreed individuallyWe will reach out to selected candidates exclusively EPAM is global leader in AI transformation engineering and integrated consulting, serving Forbes Global 2000 companies and ambitious startups. With over thirty years of expertise in custom software, product and platform engineering, we empower our clients to become AI-Native enterprises, driving measurable value from innovation and digital investments.