{"id":2201634,"url":"https://alion.io/job/madiff-python-gen-ai-developer","title":"Python GEN AI developer","company":{"id":4374669,"name":"Madiff","domain":"madiff.eu","url":"https://alion.io/company/madiff-2","size_band":"51-200","is_staffing_agency":true,"employer_type":"agency","is_intermediary":false,"listed_via":null,"ats_vendor":"Zoho Recruit","truth_index":null},"role":"AI/ML","role_family":"AI/ML","seniority":"middle","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Lisbon, Portugal"],"countries":["PT"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":35000,"max_usd":87000,"period":"year","method":"role_seniority_country_cell","sample_n":8},"experience_years_min":3,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AI Agents","optional":false},{"name":"Anthropic","optional":false},{"name":"AWS","optional":false},{"name":"Azure","optional":false},{"name":"Chroma","optional":false},{"name":"CI/CD","optional":false},{"name":"Django","optional":false},{"name":"Docker","optional":false},{"name":"Embeddings","optional":false},{"name":"FastAPI","optional":false},{"name":"Flask","optional":false},{"name":"GCP","optional":false},{"name":"Git","optional":false},{"name":"LangChain","optional":false},{"name":"LangGraph","optional":false},{"name":"LLM","optional":false},{"name":"OpenAI","optional":false},{"name":"Pinecone","optional":false},{"name":"PostgreSQL","optional":false},{"name":"Python","optional":false},{"name":"RAG","optional":false}],"status":"live","first_seen_at":"2026-10-09T21:24:31Z","employer_posted_date":"2026-10-09","last_verified_at":"2026-10-12T17:57:39Z","board_verified":true,"closed_at":null,"days_open":2,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":2},"description":"We’re looking for an experienced AI Engineer (Python Backend) to join our team building backend systems for GenAI-powered applications used by leading US clients in banking, fintech, and payments. The projects involve designing intelligent automation tools, data-driven decision engines, and secure AI integrations for enterprise-grade environments.\nResponsibilities:\nDesign and develop backend microservices in Python (Django, Flask, or FastAPI) powering GenAI applications and internal automation platforms.\nIntegrate with LLM APIs (OpenAI, Anthropic) and implement RAG pipelines using vector databases such as Pinecone or Chroma to enhance contextual intelligence.\nDevelop AI workflow orchestration - prompt routing, retrieval logic, tool execution, memory handling, and multi-agent collaboration - using LangChain and LangGraph.\nBuild APIs and backend modules that connect to financial systems, credit decision engines, and customer experience platforms.\nManage structured and unstructured data pipelines, integrating with PostgreSQL, MongoDB, and data lakes.\nDeploy and maintain services using Docker and cloud environments (Azure or AWS), ensuring scalability, performance, and security compliance.\nCollaborate with cross-functional teams in the US and Europe, including frontend, DevOps, and data science units, to deliver production-grade AI capabilities.\nRequirements\n3-4+ years of backend experience with Python (Django, Flask, or FastAPI).\n1-2+ years working with GenAI, LLM APIs, or vector database architectures.\nPractical knowledge of LangChain, LangGraph, embeddings, and retrieval frameworks.\nStrong experience with Docker, Git, CI/CD, and cloud services (Azure or AWS OR GCP).\nUnderstanding of prompt optimisation, token management, and AI system integration.\nExperience in enterprise or banking environments is a strong advantage.\nB2+ English and ability to collaborate with global engineering teams.\nBenefits\nCompetitive daily rate.\nOpportunity to work on international GenAI projects for top-tier US clients.\nDynamic, multilingual work environment and access to advanced AI infrastructure.\nPrivate medical care and long-term project 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