Senior AI – Backend Engineer

Job not on LinkedIn

🔥 0 minutes ago

🇵🇱 Poland – Remote

💵 zł200 - zł220 / hour

⏰ Full Time

🟠 Senior

🔙 Backend Engineer

👻 Ghost score 6%

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🗣️🇵🇱 Polish Required

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CRODU

11 - 50 employees

💼 Consulting

🏥 Healthcare

📦 Logistics

Consulting • Healthcare • Logistics

CRODU is a company that specializes in providing recruitment services, offering on-demand experts for both IT and Non-IT projects. They focus on building dedicated teams that can support a company's project management, utilizing experts to drive business growth and sustainability. CRODU has experience in managing various project aspects including planning, analysis, and execution to deliver on-time and on-budget solutions. With a strong network of professional experts in Poland, they work across different industries to provide reliable and flexible support tailored to client needs, including the development of mobile health applications and other tech solutions. Their commitment to sustainability and impactful results is a key component of their services.

📋 Description

• Projektowanie i rozwój skalowalnych usług backendowych (Python, FastAPI) napędzających platformę AI • Budowa i optymalizacja potoków RAG, systemów agentów AI oraz orkiestracja modeli LLM na produkcji • Projektowanie i zarządzanie infrastrukturą chmurową (AWS / Azure), w tym izolacją wieloabonencką (multi-tenant) i funkcjami serverless • Tworzenie elastycznego ekosystemu integracji sterowanego przez API oraz zewnętrzne konektory • Prowadzenie przeglądów kodu (code reviews), dbanie o standardy testowania i mentoring młodszych inżynierów • Dbanie o bezpieczeństwo systemu (JWT, OAuth2, RBAC, ochrona przed prompt injection)

🎯 Requirements

• Minimum 5 lat doświadczenia komercyjnego w backend engineeringu z wykorzystaniem Pythona • Bardzo dobra znajomość frameworka FastAPI (async, Pydantic, dependency injection) • Znajomość TypeScript (zaawansowany system typów: generics, utility types, conditional types) • Doświadczenie w pracy z PostgreSQL (projektowanie schematów, optymalizacja zapytań, migracje z Alembic) • Praktyczna znajomość Celery oraz asynchronicznego przetwarzania zadań (Redis / RabbitMQ) • Solidna wiedza z zakresu chmury: AWS (Lambda, S3, ECS, API Gateway) i/lub Azure • Znajomość Docker, Kubernetes, CI/CD (GitHub Actions, GitLab CI) oraz IaC (Terraform / AWS CDK) • Doświadczenie produkcyjne w integracji API modeli LLM (OpenAI, Anthropic Claude, Google Gemini) • Praktyczne doświadczenie w budowaniu potoków RAG oraz pracy z wektorowymi bazami danych (Pinecone, Weaviate, pgvector, Qdrant) • Doświadczenie z systemami agentów AI (tool calling, function calling, multi-step reasoning, MCP / Model Context Protocol) • Bardzo dobra znajomość języka angielskiego w mowie i piśmie

🏖️ Benefits

• Praca zdalna • Okresowe spotkania w Monachium

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