Backend Developer with GenAI

Contract

Aug. 18, 2026

Krakow, Gdańsk, Poznan, Warsaw, Poland

Remote

JOB ID

PLBA2610

VISA STATUS

Only EU/CH Citizens

REMOTE OPTION

100%

Job details:

Role: Backend Developer with GenAI
Full-time
Remote
Start: 07/09/2026
End: 19/10/2026

Scope:

Design, develop, and deploy Generative AI solutions.
Implement GenAI-driven applications, integrating LLM, NLP, image generation, and multimodal AI technologies for industry-specific applications.
Work with cloud platforms and distributed computing tools to build scalable AI solutions.
Design and develop end-to-end features across frontend and backend layers
Build and maintain backend services using Python (FastAPI) and REST APIs
Develop scalable data models and services
Implement secure authentication and authorization mechanisms
Integrate security and package validation tooling
Develop and maintain agentic applications

Skills:

Claude proficiency
Python (FastAPI, LangGraph, LangChain)
Data: PostgreSQL, Eclipse EDC, Eclipse Tractus-X, Franky-X, Apache Jena/SHACL, Neo4j, Splink, pgvector / Qdrant, BGE-M3 embeddings
Sovereignty & Policy: ODRL, Open Policy Agent, Keycloak, immudb
LiteLLM, Haystack self-hosted vLLM
DevOps/platform: Docker, Kubernetes
CI/CD: GitHub Actions, GitLab CI, or similar
Cloud/on-prem: ability to work in controlled or hybrid infrastructure environments
MCP
Frontend: React, TypeScript, Next.js or similar SPA framework
OpenWebUI, custom API

SNI sp. z o.o. will process personal data for the purpose of the recruitment process in accordance with Data Privacy Policy. The data may also be stored and processed for future recruitment purposes, in accordance with the given consent.

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