Lead Python Backend Engineer

EPAM Systems; Polska; On-site; PLN 180,000 - 300,000; Full time

Benefits offered by this job

Health insurance

Multisport

Shopping vouchers

Employee Stock Purchase Plan

Relocation opportunities

Hybrid work model

English classes

Job summary

EPAM Systems is seeking a Lead Python Backend Engineer to help build an Enterprise Agent Development Platform that orchestrates AI agents at scale on AWS. You’ll design memory architectures, create Python libraries, and enable memory activation through configuration in agent templates.

The role focuses on robust backend design, API integrations for stateful services, and secure, observable systems across the platform with hybrid work options in Poland.

Qualifications

• 7+ years of backend engineering experience in AI/ML systems.
• Experience integrating agent memory in production projects (e.g., AWS AgentCore Memory API).
• Strong Python SDK development and API integration skills.

Responsibilities

• Integrate AgentCore Memory into platform agent templates and helper libraries.
• Implement write-on-turn to store session events and retrieve-on-turn for context retrieval.
• Design and build memory namespace architecture for per-agent isolation and per-user scoping.
• Develop Python helper libraries to support memory-enabled agents across the platform.
• Enable memory activation via configuration rather than custom code in templates.
• Build and maintain API integrations for stateful services and manage session persistence.

Skills

Python

Backend engineering

API integration

Session management

English B2

Tools

AWS AgentCore Memory SDK

LangGraph

LangChain memory

Job description

We are looking for a Lead Python Backend Engineer 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.ResponsibilitiesIntegrate AgentCore Memory into platform agent templates and helper librariesImplement write-on-turn functionality to store session eventsImplement retrieve-on-turn functionality to fetch relevant contextDesign and build memory namespace architecture for per-agent isolation and per-user scopingDevelop Python helper libraries to support memory-enabled agents across the platformEnable memory activation through configuration rather than custom code in agent templatesWork with AWS AgentCore Memory API to create, query, update, and delete memory recordsBuild and maintain API integrations for stateful servicesManage session persistence and context continuity across agent interactionsRequirements7+ years of backend engineering experience with AI/ML systemsHands-on experience integrating agent memory in a production agentic AI project, such as AWS AgentCore Memory API (write-on-turn/retrieve-on-turn), memory namespace design, or agent template memory configurationExpertise in Python SDK developmentSkills in API integration for stateful servicesProficiency in session management and context persistenceEnglish proficiency at B2 level or higherNice to haveFamiliarity with AWS AgentCore Memory SDK usageKnowledge of LangChain memory integrationBackground in agent framework development (LangGraph, Crew)Understanding of conversational AI context handlingWe offerWe 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 exclusivelyEPAM 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.