Senior Full-Stack Engineer: Build Reactive Notebook Platform

Antithesis; Wien; On-site; EUR 70,000 - 110,000; Full time

Job summary

Antithesis in Vienna is seeking a Full Stack Engineer to join the engineering team. This role focuses on the Notebook—the reactive computing platform that powers our UX. You will do a mix of deeply technical and product-focused work.

As a Notebook Engineer, you will own end-to-end features from frontend to data layer, develop tests, and collaborate with product managers to shape scope. A strong TypeScript foundation and willingness to learn Rust are essential.

Qualifications

• Experience with complex customer-facing products.
• Very comfortable with Typescript and ready to pick up Rust work.
• Strong programming background in algorithms and data structures.
• Experience building static and dynamic websites.
• Understanding of how the internet and browsers work.
• Bonus: experience with Nix.
• Bonus: ideas about leveraging AI effectively.
• Bonus: history with PBT.

Responsibilities

• Improve a reactive engine for executing JavaScript (like Jupyter auto recalc).
• Own a new feature from the front end to the data layer, including adding to our custom database/proxy/API server.
• Create Property Based Tests and Antithesis workloads to test your work.
• Collaborate with product managers to design and scope features.
• Develop build and deployment logic in Nix.

Skills

Typescript

Rust basics

Algorithms & DS

Web development

Browser internals

Tools

Nix

PBT

Job description

Antithesis in Vienna is seeking a Full Stack Engineer to join the engineering team. This role focuses on the Notebook—the reactive computing platform that powers our UX. You will do a mix of deeply technical and product-focused work.

As a Notebook Engineer, you will own end-to-end features from frontend to data layer, develop tests, and collaborate with product managers to shape scope. A strong TypeScript foundation and willingness to learn Rust are essential.