We are Tropic Square. Our mission is to make a TRuly OPen IC. We believe in this digital age, transparent and auditable security solutions are necessary to ensure high standards. Our belief led to the creation of TROPIC01 - the secure chip with a revolutionary and transparent implementation.
We’re looking for a seasoned Python developer to join our remote-first team and contribute to a long-term, open source project at the intersection of software and hardware in the semiconductor world.
This role goes beyond scripting – you’ll help shape core infrastructure, with a strong focus on architecture and systems thinking.
We have ambitious plans and we need you to make that happen!
👉 What you'll work on:Developing, maintaining and expanding a Python-based flow and hardware modeling framework
Building and evolving internal tooling and infrastructure – designed to serve both the company and the broader open source community, including CI/CD pipelines, containerized environments and automated testing infrastructure
Participating in architectural decisions and contributing to the long-term technical vision, with a focus on scalability, reliability and DevOps best practices
Collaborating with internal teams and external contributors in a highly technical, community-driven environment, championing DevOps culture and promoting efficient development-to-deployment workflows
A senior Python developer with experience designing complex systems
Ideally someone with background or interest in hardware or embedded development
A system-oriented thinker who understands context and long-term impact
Comfortable working in a Unix/Linux environment and open source culture
A chance to work on a unique project with an agile team focused on developing cutting-edge solutions for secure embedded electronics
Direct impact on an open source project used in real-world semiconductor development
Opportunity to bridge software and hardware in an architecture-driven role
Work remotely, in a hybrid setup, or from the office – whatever suits you best. We’re a team that values autonomy and deep technical focus
Monthly in-person team meetups in Prague for planning and collaboration
Financial stability - we are backed by SatoshiLabs and a foreign investor
Transparency and Honesty are our best policies
And more! We’d love to tell you about our benefits during the interview
👋 Ready to join the team? Our team is excited to grow! Contact us with your LinkedIn profile or just send your CV and cover letter. We look forward to meeting you after the initial HR screening.
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What We Do
We are technology pioneers developing products that secure individual autonomy and privacy. Innovation drives our brand success, putting us in a unique position where we get to focus on projects that matter, without having to compromise.
SatoshiLabs established the cryptocurrency hardware wallet industry in 2013 with Trezor and hasn’t stopped innovating since. Our pioneering team delivers secure solutions to real-world problems, with Tropic Square creating the first auditable secure chip, Invity bringing new ways to access crypto, and Trezor developing new secure hardware and interfaces.
Trezor, the original bitcoin hardware wallet, has developed into a multi-functional device that meets the needs of advanced and beginner users alike. Its success has enabled SatoshiLabs’ rapid expansion across its three constituent companies, as part of a unified strategy to meet new global challenges with cutting-edge solutions. We champion independence, innovation and secure access to finance for everyone, everywhere.
Learn more about our companies at the links below:
• SatoshiLabs - https://satoshilabs.com
• Trezor - https://trezor.io
• Invity - https://invity.io
• Tropic Square - https://tropicsquare.com
• Vexl - https://vexl.it






