Full-Stack Developer (AI/LLM Focus)

We are looking for a skilled Full-Stack Developer to join our team and help build and scale an AI-driven platform. You will work across both frontend and backend, contributing to core product features and improving existing systems. This role is ideal for someone who enjoys working with modern technologies, thinking through complex logic, and building robust, scalable solutions.

Key Responsibilities

• QA Chatbot Development: Further develop and enhance an existing conversational interface (frontend and backend).
• Go/No-Go Module: Design and implement a new feature for evaluating tenders and RFP assessments.
• Plausibility Checks: Build validation logic for quantities and key performance indicators (KPIs) in documents.
• Candidates who can independently design functional logic will have the opportunity to expand this scope significantly.
• Otherwise, implementation will follow clear specifications.
• LLM Batch Processing: Transition processing from synchronous single requests to asynchronous batch workflows.
• Frontend Development: Improve and expand UI components for analysis results, feedback systems, and dashboards.

Tech Stack

• Backend: Python, FastAPI, SQLAlchemy, Pydantic, ARQ, Temporal
• Frontend: TypeScript, Next.js 15, React 19, shadcn/ui
• Databases: PostgreSQL, pgvector, Redis
• Cloud: Azure, Google Cloud Platform
• Infrastructure: Terraform, Docker, GitHub Actions
• AI/ML: Multi-provider LLM integrations (OpenAI, Anthropic, Google), Langfuse, Pydantic AI
• Monitoring: PostHog, Langfuse

Requirements

• Must-have:
• Strong experience with Python (FastAPI)
• Solid frontend skills with TypeScript, React, and Next.js
• Nice-to-have:
• Experience with LLM integrations
• Familiarity with PostgreSQL and vector databases
• Experience with cloud infrastructure (Azure or GCP)

Additional Information

• You should be comfortable working independently and thinking through product logic
• Opportunity to take ownership and shape key features of the platform

Benefits

• Challenging projects in a highly professional, but also a collaborative and supportive environment
• Working in small and excellently skilled teams
• Opportunity for long-term professional growth within our development center
• Competitive compensation depending on experience and skills
• Respect and support for your professional, family and personal goals