AI Full Stack Engineer

We are looking for a Fullstack Engineer and AI enthusiast to join our engineering team. CASUS simplifies legal compliance with AI-powered tools. Our mission is to make complex workflows intuitive and efficient for law firms and legal teams.

We are rebuilding the core tool stack of the legal industry from the ground up.

Lawyers still work in workflows designed decades ago: fragmented tools, manual reviews, static templates, and compliance processes that don’t scale. We think that’s unacceptable in an AI-first world.

You’ll thrive if you:

• Love building from 0 to 1 and validating ideas quickly.
• Have a fullstack skillset, enjoying collaborating across the stack.
• Are curious about AI integration (e.g., Lang Chain, Azure LLMs) and want to push boundaries.
• Prefer startup speed over corporate processes.

This role is ideal for someone who wants to shape a product, work with cutting-edge tech, and see their code in the hands of real users - fast.

Tasks:

• Prototyping:
  Rapidly validate new features (e.g., AI agents, Word Add-ins) with POCs and iterate based on feedback.
• AI Integration:
  Experiment with AI frameworks (Lang Chain, Azure LLMs) to enhance our product’s capabilities.
• Backend Development:
  Build and maintain scalable APIs, database schemas (Firestore), and cloud services (Google Cloud).
• Frontend Development:
  Work on frontend components (React, Type Script).
• Testing & QA:
  Ensure code quality with automated tests and contribute to our CI/CD pipelines.
• Ownership:
  Take end-to-end responsibility for features, from design to deployment.

Requirements:

Essential:

• 3+ years of Fullstack development with a backend focus (Node.js, Type Script).
• Comfortable working with AI-assisted development and evaluating, refining AI-generated code.
• Experience with No
  
  SQL databases (Firestore or similar) and cloud platforms (Google Cloud/Azure).
• Prototyping skills:
  Ability to build quick POCs (proof-of-concept) and iterate.
• Startup mentality:
  Comfortable with ambiguity and building products from scratch.
• Collaboration:
  
  Enjoy working in cross-functional teams and mentoring others.

Preferred:

• Experience with AI agent frameworks (Lang Chain, etc.) or Office.js (Word Add-ins).
• Knowledge of legal/Compliance-tech or similar domains.
• German language skills (not required).

Soft Skills:

• Proactive and curious – you love solving problems creatively.
• User-focused – you care about building products that people actually want to use.

What We Offer

• Tech Stack:
  Modern tools (Type Script, React, Node.js, Google Cloud, AI APIs).
• Culture:
  Flat hierarchies, fast decisions, and a people-first approach.
• Growth:
  Opportunities to learn and experiment with AI, scalability, and cutting-edge tech.
• Healthy employees:
  We feel good when you feel good. That’s why we promote a good work-life balance.
• Familial working atmosphere in an open-minded multinational team.
• Working remotely (from Poland).

When applying please share with us your most exciting project or the one you’re most proud of (Github, link, documentation or similar).