Founding AI Software Engineer

October 5, 2026

Hybrid

Senior

Copenhagen, Denmark

Worth knowing

English is required

Description

athme is building the sports and community layer for cities, helping people discover activities, join games and build real-world communities through sport. The company is hiring a product-focused Founding AI Engineer to integrate AI into the athme product and operations. The role is about shipping practical features with existing AI models rather than researching or training foundation models from scratch. You will work closely with the CTO and founders, from quick prototyping through to production.

Responsibilities

Build and integrate AI-powered features into the athme product
Connect AI models and services with our existing mobile app, backend, APIs, and data
Own features from idea and prototype through deployment and improvement
Improve recommendations, discovery, matching, personalization, and automation
Build reliable systems with proper testing, monitoring, and fallback logic
Evaluate different models based on quality, speed, cost, and privacy
Help shape athme's AI roadmap and technical direction
Contribute to the wider product and engineering team where needed

Requirements

Mid to senior-level engineering experience with a strong record of shipping real products
Practical experience building applications with AI models, APIs, embeddings, agents, recommendation systems, or similar technologies
Strong backend and system architecture fundamentals
Experience with Node.js, TypeScript, Python, APIs, and databases
Experience with React Native and MongoDB is a strong advantage
Strong product judgment and the ability to focus on useful features, not AI for the sake of AI
A proactive builder who moves quickly, takes ownership, and works well in an early-stage environment
Previous experience with consumer apps, marketplaces, social products, or startups is a strong advantage

Conditions

Meaningful equity reflecting the importance of the role for the right candidates
Direct influence over athme's AI product and technical direction
Close collaboration with the CTO and founding team
High ownership, autonomy, and fast decision-making
The opportunity to grow into a senior leadership role
Remote flexibility with regular in-person collaboration in Copenhagen
Free access to athme events and the chance to build technology that gets people into the real world

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