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Senior Fullstack Engineer

Thessaloniki, Greece💼 Full-time🗓 2026-05-13 → 2026-09-26

Core

Lead design and delivery of distributed applications powering international and EU-funded projects, owning systems from architecture to UX.

Role type

Senior Fullstack Engineer (Python stack)

Builds

Distributed microservices, AI features (LLM integration, RAG pipelines), and production-grade backend services.

Domain

ICT / EU-funded projects / AI applications

Deliverable

production ML models | product features

Required skills

Python (FastAPI, Django, async), JavaScript/TypeScript (React, Node.js), PostgreSQL, MongoDB, Redis, RESTful API design, OpenAPI/Swagger, Git, Agile delivery

Preferred skills

MSc in ICT, API testing tools, AI application lifecycle experience

Technologies

FastAPI, Django REST Framework, Pydantic, SQLAlchemy, Alembic, Motor, Beanie, Redis, pgvector, Qdrant, Weaviate, Pinecone, LangChain, LlamaIndex, vLLM, Ollama, GitHub Actions, Docker, Kubernetes, OpenTelemetry, Prometheus, Grafana, Sentry

Responsibilities

Architect microservices with bounded contexts and service mesh patterns; Build backend services with production-grade async APIs; Design data layers including vector stores and event-driven consistency; Ship AI features integrating LLMs and building RAG pipelines; Collaborate with frontend to define API contracts and contribute to UI; Own DevOps & reliability including CI/CD and observability; Work cross-functionally to translate research prototypes into production services

Seniority

Senior, hands-on IC

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