This position is open exclusively to Ukrainian residents currently living in Ukraine (preferably in Kyiv or Lviv).
Our product team is looking for a full-stack Python developer with hands-on experience in building UI applications, ideally someone open to learning or already exploring Go or Rust. You’ll help create tools used by engineers worldwide and contribute to mission-critical projects. We’re primarily looking for mid-level specialists. However, if you’re more senior and have a background in cryptography, security, or systems programming, we’d be happy to talk. Requirements: * Python 3, Django or aiohttp 3+ years * Asyncio, queues, synchronisation * Django ORM or Sqlalchemy Core * PostgreSQL, raw SQL * JavaScript, React 2+ years * HTML5 / CSS3 * Docker, docker compose * Linux, bash * Understanding of GOF, SOLID, Dependency Injection, Clean Architecture principles, Modular Monoliths * Understanding of asynchronous and multi-threaded programming: asyncio, threading, multiprocessing * Good spoken and written English (B2+) for team communication and code documentation
Main responsibilities: * Take ownership of developing user-facing features with a focus on responsive and intuitive design * Build efficient and reusable front-end systems to power our web applications * Write clean, maintainable, and well-documented code * Participate in code reviews and contribute to both individual and team growth
What to expect from us: * We build applications for clients, write code for developers, and document how it all works — for both * Everyone on the team is happy to help, but we also respect each other’s time and know how to find answers ourselves * Tech writing isn’t our favourite task, but we do create solid technical documentation when needed, and we’re lucky to have a tech writer to help with that * We prefer doing things right the first time over patching things endlessly later * We value healthy perfectionism, a sense of beauty in engineering, and a good sense of humour
Hiring process: * Resume review — up to 5 business days * Test task — estimated time 3-4 hours * Introductory meeting with the Head of development & solution engineering * Technical interview with several team members * Offer discussion
What’s in it for you? * Competitive compensation with a flexible and clear bonus scheme * Paid vacation — 21 business days per calendar year * Paid sick leaves * Hybrid work model: this position allows for a combination of in-office and remote work as needed * Combining technologies: hardware engineering, software engineering, cryptography, information security * You will work with people deeply interested in security engineering, you will learn a lot * Reasonable time budgets and an attitude to build things well — we prioritise building for decades, rather than just until the next release * Conferences, books, courses — we encourage learning and sharing with the community. Our team members share a a lot in talks, workshops, and blog posts * Public track record in the open-source aspect of our products.
Our software is well-known amongst security-aware teams, recommended by OWASP, and popular for easily solving complicated security challenges. Apart from building “off-the-shelf” solutions, we design custom security solution for novel problems. We work in the B2B space, with customers such as power grid operators, payment processors, legal companies, and million-user customer applications. We cater to young ambitious startups and well-established enterprises, that use our software and solutions as a core part of their security arsenal.
