Fullstack Engineer (Backend-leaning) Prototyping & AI Integration

Zurich - Switzerland

Yearly Salary: CHF 100000 - 120000

Posted on: 30+ days ago

Vacancies: 1 Vacancy

The job posting is outdated and position may be filled

Job Summary

At CASUS were building AI-powered tools to revolutionize legal and compliance workflows. Were looking for a Fullstack Engineer with a backend focus and a hackers mindset to join our this role youll design prototype and ship features that leverage our modern tech stack ( TypeScript React Firestore Google Cloud and Azure LLMs).

Youll thrive if you:

Love building from 0 to 1 and validating ideas quickly.
Have a backend-leaning fullstack skillset but enjoy collaborating across the stack.
Are curious about AI integration (e.g. LangChain 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

Backend Development: Build and maintain scalable APIs database schemas (Firestore) and cloud services (Google Cloud).
Prototyping: Rapidly validate new features (e.g. AI agents Word Add-ins) with POCs and iterate based on feedback.
Fullstack Collaboration: Work on frontend components (React TypeScript) when needed with a focus on backend logic.
AI Integration: Experiment with AI frameworks (LangChain Azure LLMs) to enhance our products capabilities.
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:

5 years of Fullstack development with a backend focus ( TypeScript).
Experience with NoSQL 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 (LangChain etc.) or (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.

Benefits

What We Offer

Impact: Your work will directly shape a product used by thousands of legal professionals.
Flexibility: Potential to work remote (within 2-3h of Zurich) or onsite in Zurich.
Tech Stack: Modern tools (TypeScript React 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.
Sports & food: Free sports classes from spinning to Pilates and weekly brunch.

CASUS simplifies legal compliance with AI-powered tools. Our mission is to make complex workflows intuitive and efficient for businesses worldwide. Founded in 2019 were a fast-growing team of engineers lawyers and designers based in Zurich.

At CASUS were building AI-powered tools to revolutionize legal and compliance workflows. Were looking for a Fullstack Engineer with a backend focus and a hackers mindset to join our this role youll design prototype and ship features that leverage our modern tech stack ( TypeScript React Firestore G...