Junior AI Product Engineer - Hybrid, Equity & Visa Sponsorship

Graduate; Amsterdam; Hybrid; EUR 45,000 - 55,000; Full time

Benefits offered by this job

Equity in Nance

Visa sponsorship available

Mentorship from senior engineers

Hybrid working and flexible hours

Fast-moving team

Job summary

Nance seeks a Junior AI Product Developer to join our hands-on founding team. You’ll build core capabilities of the Nance agent across the stack, focusing on UX, speed and polish while coordinating with the engineering team.

With 0–2 years of experience and a passion for LLMs, you’ll ship features using React, Python and cloud infrastructure, and benefit from direct mentorship in a fast-moving, hybrid environment in Amsterdam.

Qualifications

• 0 to 2 years of professional software engineering experience.
• You’ve built something with LLMs, at work or on the side.
• Solid software engineering fundamentals; React, Python or cloud infra helpful.
• Product sensibility: UX, speed and polish; speak up when something isn’t right.
• You learn fast, take ownership and can figure things out without detailed instructions.
• Daily use of AI coding tools (Claude Code, Codex or similar).
• Careful about correctness and data handling.
• Fluent in English; Dutch a plus not a requirement.

Responsibilities

• Work on the core capabilities of the Nance agent: the agent harness, tools and supporting features like memory management.
• Help build evals to test agent behavior and experiment with testing/observation techniques.
• Take features from idea to shipped across the full stack (React frontend, Python backend, Google Cloud infra) and iterate.
• Focus on UX, speed and polish in all delivered features.
• Use AI coding tools as a daily workflow.

Skills

LLM applications

React

Python

Cloud infra

UX focus

ownership

Education

Bachelor's degree or equivalent

Tools

React

Python

Cloud platforms

Job description

Nance seeks a Junior AI Product Developer to join our hands-on founding team. You’ll build core capabilities of the Nance agent across the stack, focusing on UX, speed and polish while coordinating with the engineering team.

With 0–2 years of experience and a passion for LLMs, you’ll ship features using React, Python and cloud infrastructure, and benefit from direct mentorship in a fast-moving, hybrid environment in Amsterdam.