Senior FastAPI Developer

Newcode.ai

Copenhagen, Capital Region of Denmark, Denmark Hybrid permanent

Posted: July 20, 2025

Required Skills

Job Description

Who are we?

At Newcode.ai, we’re on a mission to reshape how organizations put AI to work in their day-to-day operations. In few months, we’ve moved from vision to reality—building products our clients truly love. As part of our fast-growing and highly ambitious team, you won't just drive the future of AI—you’ll help define it.

Who are we looking for?

As a Backend Engineer at Newcode.ai, you’ll design and develop core systems that power the AI solutions relied on by our clients. You’ll work hands-on with modern technologies, have real influence over our architecture, and make a tangible impact from day one.

We are on the lookout for a backend engineer with extensive expertise in crafting and sustaining resilient API solutions utilizing FastAPI. As a key player in our team, you will collaborate seamlessly with the frontend developers to build an exceptional Python backend, allowing you to design, evaluate, and deploy outstanding products that empower professionals around the world in their daily activities. You’ll be involved with the full spectrum of the technology stack, embracing a sense of ownership and the liberty to make a meaningful impact.

Requirements:
What You'll Do

• Design, build, and optimize APIs and backend systems that deliver scalable, high-performance AI applications
• Shape our backend architecture using the following technologies Python, FastAPI, Redis, SQL, NoSQL, and Celery
• Drive performance and reliability in an asynchronous, distributed environment
• Collaborate across teams to iterate quickly and solve complex engineering problems
• Champion code quality and security as we scale rapidly

Who You Are

• Experienced: 7+ years in backend development with a history of building robust, scalable systems
• Startup-minded: You thrive in a fast-paced, evolving environment and are comfortable wearing many hats
• Tech-savvy: Hands-on experience with our stack (Python, FastAPI, Redis, Celery, SQL, NoSQL)
• Eager to learn: Motivated to expand your expertise in AI and related technologies
• Bonus: Knowledge of LangChain or LlamaIndex is a plus

Benefits:
Why Join Us?

• Be a driver of innovation in one of Oslo’s most exciting AI ventures
• Work with talented peers in a collaborative, high-energy team
• Shape both product and culture as we grow
• Flexible, English-speaking environment

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