{"id":2120644,"url":"https://alion.io/job/fujitsu-software-lead-developer-python-langchain-docker-2","title":"Software Lead Developer (Python, LangChain, Docker)","company":{"id":896,"name":"Fujitsu","domain":"fujitsu.com","url":"https://alion.io/company/fujitsu-poland-sp-z-o-o","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"SuccessFactors","truth_index":null},"role":"AI/ML","role_family":"AI/ML","seniority":"lead","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Poland"],"countries":["PL"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":64000,"max_usd":123000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":11},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Agentic Workflows","optional":false},{"name":"Azure","optional":false},{"name":"CI/CD","optional":false},{"name":"Docker","optional":false},{"name":"FastAPI","optional":false},{"name":"GitLab","optional":false},{"name":"LangChain","optional":false},{"name":"LangGraph","optional":false},{"name":"LangSmith","optional":false},{"name":"LLM","optional":false},{"name":"Microsoft Entra ID","optional":false},{"name":"OpenTelemetry","optional":false},{"name":"Poetry","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Pydantic","optional":false},{"name":"Pytest","optional":false},{"name":"Python","optional":false},{"name":"Rest API","optional":false},{"name":"Neo4j","optional":true}],"status":"live","first_seen_at":"2026-10-08T23:55:13Z","employer_posted_date":"2026-10-08","last_verified_at":"2026-10-11T00:51:06Z","board_verified":true,"closed_at":null,"days_open":2,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":2},"description":"Highly skilled and experienced LSoftware Lead Developer (Python, LangChain, Docker)with a strong background in building scalable, secure, and high-performance backend systems. Known for exceptional problem-solving skills, ownership mindset, and a collaborative approach that strengthens team dynamics. Adept at designing modern architecture, mentoring developers, and driving engineering excellence. A true team player who consistently aligns technical decisions with business goals.\nCore Competencies\nLeadership & Collaboration\nLeads cross-functional engineering teams with clarity and empathy.\nCoaches developers in coding standards, architecture patterns, and best practices.\nFacilitates effective communication between technical and non-technical stakeholders.\nSoftware Architecture & System Design\nDesigns modular, testable, and scalable backend systems.\nExperienced in event-driven architecture, microservices, and API-first design.\nQuality & Reliability\nStrong advocate of automated testing, observability, and CI/CD best practices.\nBrings a quality-first mindset to code reviews and team processes.\nTechnical Skills\nPrimary Technologies (Expert Level)\nPython - advanced software design, async programming, performance optimization\nLangChain / LangGraph - building LLM-powered applications, agentic workflows, vector integrations\nDocker - containerization, multi-stage builds, optimized production images\n Entra ID (Azure AD) - authentication/authorization flows, OAuth2, OpenID Connect\nGitLab - branching strategies, merging workflows, pipelines\nLangSmith - LLM monitoring, evaluation, tracing\nFastAPI - designing high-performance REST services and backend APIs\nPytest - unit/integration testing, fixtures, mocks\nPostgres - schema design, query optimization, migrations\nAzureite - Azure Storage emulation for local development\nPoetry - dependency & environment management\nPydantic - data validation, settings management, typed models\nOpenTelemetry - distributed tracing, metrics, logging\nNice to Have (Working Knowledge)\nNeo4j - graph databases, Cypher queries\nCI/CD Pipelines - design, automation, release workflows\nProfessional Traits\nProactive, reliable, and driven by continuous improvement.\nThrives in collaborative environments and champions team success.\nCommunicates complex technical concepts with clarity and confidence.\nValues craftsmanship, clean code, and scalable architecture.\nEnjoys mentoring and helping others grow technically.\nWhy Fujitsu?\nWe combine innovation with purpose, empowering you to bring your whole self to work. Join us and help shape a future where technology improves lives. Ready to start your journey? Click “apply” and take the first step toward a career that’s as inspiring as it is rewarding.\nBased on Article 24(6) of the Act of 14 June 2024 on the Protection of Whistleblowers (Journal of Laws of 2024, item 928), the employer provides information on the internal reporting procedure in force at Fujitsu Poland Sp. z o.o. 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