AI-First Software Engineer — Early Team, Stock Options, Zürich

sizeless Corporation; Zürich; Hybrid; Vertraulich; Full time

Benefits offered by this job

Stock options

Zürich office in Kreis 5

AI-first toolchain

Direct founders collaboration

Job summary

sizeless is building the data layer for the infrastructure under our streets. A small ETH Zürich–founded team is looking for engineers who want to ship real products to paying customers from Zürich.

You will contribute across the stack, from field capture apps to the analytics workspace, and help manage large 3D data pipelines. The role emphasizes ownership, fast learning, and collaboration with founders in a modern, AI-first toolchain.

Qualifications

• Solid engineering fundamentals in TypeScript and/or Python.
• Comfortable moving between product code and infrastructure.
• Experience or interest in AI-assisted development and modern toolchains.

Responsibilities

• Build the product our customers use: the capture app in the field and the workspace where results are delivered.
• Work across the stack - web, mobile, backend and the data pipelines behind them.
• Keep the processing side reliable: long-running jobs, large files, and a lot of 3D data moving between systems.
• Build the internal tooling the rest of the team depends on.

Skills

TypeScript

Python

Full-stack

Ownership

AI-assisted development

Job description

sizeless is building the data layer for the infrastructure under our streets. A small ETH Zürich–founded team is looking for engineers who want to ship real products to paying customers from Zürich.

You will contribute across the stack, from field capture apps to the analytics workspace, and help manage large 3D data pipelines. The role emphasizes ownership, fast learning, and collaboration with founders in a modern, AI-first toolchain.