Open to B2B contractors based in Poland.

Rate: 136—179 PLN/hour.

We are looking for a skilled Senior (Full-Stack) Kotlin Engineeras service agreement collaborator. Flix customers worldwide expect a comfortable and seamless experience at our stations as part of their travel experience. Our self-organize…

We currently have a job opening for a pragmatic and hands-on Full Stack Engineer who loves shipping fast and working across a modern TypeScript ecosystem. We build in Cursor and optimize our development process for AI-assisted engineering — most of our code is generated with AI, and your role is to guide…

About Shelf

The enterprise is going agentic and we are creating a unique operating system for an automated future.

Most AI agents break the moment they hit real business complexity. That’s why we built a platform that models a company's policies, workflows, and operational logic into an AI Data Model.…

In short

If you're a backend engineer who doesn't just build what's asked, but shapes how it's built, we want to talk. We're looking for someone who can own the technical direction of a project end to end: architecture, infrastructure, trade-offs, and the conversations that come with them. You'd join…

In short

If you're a Senior Android Developer who knows BLE inside out and isn't afraid of code that talks to physical things, we want to talk. You'd join us on a freelance, time & material basis: you're paid for the hours you actually work on real client projects. The first three months are about fi…

In short

If you're a Senior QA Engineer who's tested apps that talk to physical devices, and you know that "reproduce on my phone" doesn't end the conversation, we want to talk. You'd join us on a freelance, time & material basis: you're paid for the hours you actually work on real client projects. Th…