Senior Python / LangGraph Engineer

We are looking for a Senior Python / LangGraph Engineer to join the 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, providing a single-file developer experience where the platform handles runtime, tooling, observability, and deployment automatically.

Responsibilities

• Design and implement Python-based LangGraph nodes, edges, and graphs for agent orchestration delivery
• Build checkpointing mechanisms using SQLite, Redis, and Postgres checkpointers within Lang
• Graph
• Develop human-in-the-loop (HITL) workflows to support controlled agent decision points
• Implement retry, timeout, and fallback patterns to ensure reliable orchestration behavior
• Integrate OpenTelemetry tracing across orchestration steps for full pipeline observability
• Collaborate with the Development framework team to standardize LangGraph orchestration practices
• Contribute to the reliability and scalability of agent workflows deployed on AWS AgentCore Runtime
• Support the evolution of the platform's single-file developer experience for agent buildersRequirements5+ years of experience in Python development
• Expertise in LangGraph or LangChain agent orchestration
• Proficiency in async Python (asyncio)

Skills in Python-based LangGraph node, edge, and graph construction

• Familiarity with checkpointing approaches using SQLite, Redis, and Postgres checkpointers
• Background in HITL workflow implementation
• Knowledge of retry, timeout, and fallback patterns in Lang
• Graph
• Understanding of OpenTelemetry tracing across orchestration stepsNice to have
• Familiarity with AWS Bedrock integration
• Skills in multi-agent workflow testing
• Knowledge of LangSmith trace visualizationWe offerWe gather like-minded people:

Top tech minds driving innovation in AI, cloud and digital platform modernization

• Supportive team and agile, startup-like culture
• Hybrid by design mode and opportunity to work remotely within Poland
• Chance to work abroad for up to 60 days annually
• Business-driven relocation opportunitiesWe provide growth opportunities:

Career development programs

Thought leadership, mentoring, soft skills and well-being programs

Certification (Anthropic, Gemini, GCP, Azure, AWS)

English classesWe cover it all:

Stable payParticipation in the Employee Stock Purchase Plan with a 15% discount

Benefits 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 more

Corporate, social and well-being events

Please, 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.