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Jónsbók
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Software Engineer (AI & Data)

Interested in building legal AI with us? We welcome introductions year-round, even when we are not actively recruiting.

Open applications

Build legal AI products end-to-end

Jónsbók builds AI software for legal professionals across Europe. Our engineering work spans language models, data systems, and product interfaces. We are not actively recruiting for a specific vacancy, but we are always interested in meeting people who could be a strong fit. Tell us about your experience and the work you would like to do; we may get in touch if a suitable opportunity arises.

AI and software engineering at Jónsbók

The work we do

Build LLM-based systems that understand complex legal text.
Design and implement data models for complex legal queries.
Ship with modern language-model and agentic tooling.
Develop autonomous LLM agents for multi-step workflows.
Design efficient search methods and data-processing flows.
Build AI-first interfaces for legal users.
Write tests and maintain system quality.

You may be a fit if you

Have software engineering experience in Python and/or TypeScript.
Have built and maintained data pipelines or data workflows.
Have experience or clear interest in UI/UX development.
Want to work deeply with modern LLM and agentic technology.
Learn new tools quickly and perform well in ambiguous problem spaces.
Take ownership and show initiative in how work gets done.

Nice to have

Experience building AI-driven software products.
Experience with LLM frameworks and orchestration patterns.
Comfort collaborating across data, AI, and frontend disciplines.

Why Jónsbók?

High-impact work in a fast-growing startup.
Product ownership with users in Iceland and international markets.
Daily work with the latest AI technologies.
A front-row seat in shaping AI use in legal workflows.
Competitive terms and potential stock-option upside.

Year-round

Introductions welcome

Open application

Application type

AI + Data

Focus

Introduce yourself

Email jobs@jonsbok.ai with a short introduction, your CV or profile, and examples of your work. Let us know what interests you about Jónsbók. There is no application deadline; we may contact you if a suitable opportunity arises.

Email us