BRAIINS FORGE: Embedded Linux Engineer

IT Operations Team Lead

Braiins

✨ WHAT AWAITS YOU HERE: As an IT Operations Team Lead, you will take ownership of our internal technological environment. We are on a journey to make our internal IT as robust and secure as our core products, and we need a hands-on leader to help us get there. You will guide a small, dedicated team responsible for our entire internal stack—from hardware lifecycle to our suite of internal collaboration and productivity tools. Your role is to build on our existing foundations, professionalize our processes, and ensure that our internal operations are stable, secure, and well-documented. 🤝 RESPONSIBILITIES: * Lead, mentor, and grow a small team of IT specialists, fostering a culture of operational excellence, accountability, and a service-oriented mindset. * Actively participate in daily L1/L2 support and system administration while simultaneously driving the long-term professionalization and scalability of our internal environment. * Take ownership of internal security and maintenance of our SOC2 compliance, ensuring systems are hardened and access rights are regularly audited under "least privilege" principles. * Maintain and refine internal workflows for the entire IT lifecycle (onboarding/offboarding, hardware provisioning, access management). * Manage the physical and digital workplace infrastructure, overseeing office connectivity, conferencing technology, and the complete hardware fleet lifecycle. * Drive operational efficiency by identifying bottlenecks and implementing pragmatic automation where it makes sense. * Act as a bridge between internal IT and the Ops/Infra team to ensure technical and security standards remain aligned across the company. * Take an active role in hiring and onboarding new team members to maintain a high-performing IT team. 🔎 WE ARE LOOKING FOR SOMEONE WITH: * Minimum 5 years of experience in IT infrastructure or system administration, with at least 2 years in a leadership or senior role. * Solid experience with Linux (our environment is primarily Linux-based). * A "Player-Coach" mindset, being comfortable leading a team while remaining technically hands-on and resolving daily support tickets. * Hands-on experience with administration of Google Workspace, Jira and GitLab. * Strong security and compliance awareness (ideally SOC2 or similar). * Solid understanding of IT operations, specifically asset management, identity management, hardware lifecycle, and office networking. * A process-oriented approach with a drive to document internal workflows and standardize procedures without unnecessary bureaucracy. * Service-oriented mindset with excellent communication skills in both Czech and English. * Strong organizational skills and the ability to prioritize tasks effectively in a small, fast-paced team. * Ability to transform manual tasks into automated workflows. 💪 PREFERRED SKILLS: * Experience with scripting in Bash or Python for automation or API integrations. * Solid understanding of networking (securing and troubleshooting office Wi-Fi and VPNs). 🏖 WHAT WE OFFER TO YOU: * Full-time position with flexible working hours. * Both possibilities to work as an Employee or Freelance. * Indefinite agreement. * For employees 5 weeks of vacation and 3 sick days. * Company events, and occasional brunches in the office. * Relaxing room, a shower, and a parking spot. * Modern offices in the center of Prague, Czech Republic — the heart of Europe. 🔥 WE WILL LOVE YOU EVEN MORE IF… * You are interested in cryptocurrencies or have active experience with them. * You are interested in the responsible and effective application of AI tools.

Frontend Developer

Braiins

WHAT AWAITS YOU HERE: As a Pool Frontend Developer, you will help build and evolve Braiins Pool web applications used by miners and operators worldwide. You’ll work in a product team that values clean UI, strong performance, and reliable data visualization. AI tools are expected to be part of your daily workflow, used responsibly and effectively. 🤝 RESPONSIBILITIES: * Build and maintain Pool frontend features with React, TypeScript, and Sass, focusing on clarity, performance, and reliability. * Collaborate with product, design, and backend teams to define requirements and deliver high‑quality UI/UX. * Maintain and improve component quality through review, refactoring, and shared patterns. * Write tests and participate in CI/CD processes to keep releases stable. * Contribute to technical decisions, documentation, and continuous improvement of frontend practices. * Use AI tools responsibly to accelerate development while maintaining high code quality. 🔎 WE ARE LOOKING FOR SOMEONE WITH: * 2+ years of professional experience in frontend development. * Experience with React, TypeScript & CSS (Sass). * Strong ownership, good communication, and ability to deliver independently. * Previous experience with designing of FE architecture, upholding of code quality standards and testing practices. * Drive to learn, improve, and mentor or be mentored in a collaborative team. 💪 PREFERRED SKILLS: * Experience with data‑heavy UI and visualization libraries. * Setup of new FE projects, local development including GitLab pipelines. * Understanding of performance profiling, accessibility and internationalization. * Experience with monitoring and error reporting tools (e.g., Sentry). 🏖 WHAT WE OFFER TO YOU: * Full-time position with flexible working hours. * Both possibilities to work as an Employee or Freelance. * Indefinite agreement. * For employees, 5 weeks of vacation and 3 sick days. * Company events and occasional Braiins brunches in the office. * Relaxing room, a shower, and a parking spot. * Modern offices in the center of Prague, Czech Republic—the heart of Europe. * Work on long-term projects in an interesting area of the Bitcoin industry. 🔥 WE WILL LOVE YOU EVEN MORE IF… * You are interested in cryptocurrencies or have active experience with them. * You are interested in new technologies and development procedures. * You are from Prague or its surrounding area. * Previous experience with mobile development.

Senior Accountant (with Controlling Responsibilities)

Braiins

Braiins is looking for an experienced Senior Accountant to join our finance team in the center of Prague. If you love working with numbers and want to help keep the finances of a growing Bitcoin company in top shape, we'd like to hear from you. As our Senior Accountant, you'll take ownership of day-to-day bookkeeping, support the month- and year-end close, and help turn financial data into clear, accurate information for company management. The role combines hands-on accounting with room to take on controlling and analytical work. ✨ WHAT AWAITS YOU HERE: As our Senior Accountant, you'll take ownership of day-to-day bookkeeping, support the month- and year-end close, and help turn financial data into clear, accurate information for company management. The role combines hands-on accounting with room to take on controlling and analytical work. 🤝 KEY RESPONSIBILITIES: * Support the month-end and year-end close and the annual statutory audit. * Maintain management reports. * Collaborate with internal teams and support smooth financial operations. * Enter and post incoming invoices, and issue outgoing invoices. * Account for cash and bank transactions, including reconciliations. * Prepare payment orders and support the payment cycle. * Ensure accurate financial records and support reliable financial reporting. * Help turn financial data into clear, accurate information for company management. Work comfortably with international colleagues (US branch). 🔎 WE ARE LOOKING FOR SOMEONE WITH THESE QUALITIES: * At least 5 years of accounting experience, ideally including full close cycles. * Solid knowledge of Czech double-entry accounting. * The ability to manage your own agenda independently. * English at a communicative level — enough to work comfortably with international colleagues (US branch). * Secondary or university education in accounting, finance, or a related field. 🏖 WHAT WE OFFER: * A full-time position with flexible working hours. * The choice to work as an employee or a freelancer — whatever suits you best. * A contract for an indefinite period. * For employees: 5 weeks of vacation and 3 sick days. * Company events and the occasional Braiins brunch in the office. * A relaxation room, a shower, and a parking spot. * Modern offices in the center of Prague — the heart of Europe. * Long-term projects in the fast-moving world of Bitcoin. 🔥 YOU'LL WIN US OVER EVEN MORE IF… * You're interested in cryptocurrencies, or already have hands-on experience with them. * You enjoy new technologies and modern ways of working.