Senior AI Backend Engineer – FastAPI & LLMs

Newcode; Denmark; Remote; DKK 70,000 - 90,000; Full time

Benefits offered by this job

Collaborative work environment

Innovative startup culture

Flexible hours

Job summary

Newcode is seeking an experienced backend engineer in Denmark to own the backend architecture for AI features. Responsibilities include designing APIs and ensuring the reliability of system integrations under load. The candidate must have significant experience with AI systems and backend technologies.

Join a dynamic team at the forefront of AI innovation, where you can make impactful architecture decisions in a flexible, fast-paced environment.

Qualifications

• At least seven years of building backend systems that run in production.
• Experience with LLM-powered systems and AI coding tools.
• Solid understanding of data security when handling confidential material.

Responsibilities

• Designing and building the APIs and services for products.
• Working on AI plumbing: retrieval, orchestration, and response streaming.
• Maintaining reliability for document ingestion, embeddings, and long-running jobs.

Skills

Backend systems development

LLM-powered systems

Data security and isolation

Using AI coding tools

Asynchronous and distributed systems

Tools

Python

FastAPI

PostgreSQL/SQL

Redis

Job description

Newcode is seeking an experienced backend engineer in Denmark to own the backend architecture for AI features. Responsibilities include designing APIs and ensuring the reliability of system integrations under load. The candidate must have significant experience with AI systems and backend technologies.

Join a dynamic team at the forefront of AI innovation, where you can make impactful architecture decisions in a flexible, fast-paced environment.