--- title: 'Site Reliability Engineer at Braiins' canonical: 'https://feeny.ai/job/site-reliability-engineer-braiins-braiins-8ac2mvbwpefx' type: 'job' last_seen: '2026-09-04' --- # Site Reliability Engineer at Braiins - **Company:** Braiins - **Location:** Braiins - **Employment:** full-time - **Work type:** hybrid - **Posted:** 2026-07-14 - **Last confirmed live:** 2026-09-04 - **Apply:** https://jobs.ashbyhq.com/braiins/8df969be-7840-4404-8183-b5bd03a38aeb ## Job description ## ✨ WHAT AWAITS YOU HERE: As a Site Reliability Engineer, you will help us make Braiins Pool and related products faster, safer, and smoother to develop, deploy, and operate. You will work close to backend, frontend, support, and platform teams to improve deployment pipelines, Kubernetes-based delivery, observability, incident handling, internal tooling, and developer experience. This is a hands-on engineering role for someone who enjoys connecting systems, automation, reliability, and practical software development. The role can lean more toward deployment automation, CI/CD, SRE practices, backend tooling, or support enablement depending on your strengths. ## 🀝 KEY RESPONSIBILITIES: - Improve reliability, operability, and deployment quality of Braiins Pool and related services. - Maintain and optimize GitLab CI/CD pipelines, release workflows, deployment automation, and feedback loops from commit to production. - Work with Kubernetes, Docker, service configuration, secrets, runtime environments, and deployment templates in cooperation with the platform team. - Improve observability, monitoring, alerting, incident response workflows, and post-incident learning. - Build or improve internal tools that help developers, QA, support, and operations work faster and with fewer manual steps. - Help product teams improve local development, testing, deployment safety, release confidence, and production readiness. - Collaborate with support and engineering teams to diagnose production issues and turn recurring problems into automation, documentation, or better tooling. - Contribute to operational runbooks, deployment standards, CI/CD conventions, and shared engineering practices. - Use AI tools responsibly to accelerate research, implementation, testing, documentation, automation, and delivery while keeping strong human ownership, review, security, and production quality. πŸ”Ž WE ARE LOOKING FOR SOMEONE WITH: - Mid/Senior experience in SRE, DevOps, production operations, backend tooling, or a similar engineering role. - Strong practical experience with Linux, Docker, Kubernetes, CI/CD pipelines, and production service operations. - Ability to reason about reliability, latency, observability, deployment risk, operational complexity, and supportability. - Good scripting or development skills; enough backend understanding to build tooling, debug services, and improve automation. - Experience improving developer experience, deployment flows, support tooling, or internal operational processes. - Ownership mindset, good communication, and ability to work across development, support, QA, and platform teams. - Willingness to learn our product domain, internal stack, and Bitcoin mining context. ## πŸ’ͺ NICE TO HAVE: - Experience with Rust, Python, or TypeScript-based internal tooling. - Experience with Prometheus/Grafana, Sentry, OpenTelemetry, tracing, SLOs, incident management, or production-readiness reviews. - Experience with gRPC/Protocol Buffers, Kafka, PostgreSQL, Consul, Vault, or service discovery patterns. - Experience creating tools for support, QA, operations, or development teams. - Experience in Bitcoin, mining, fintech, infrastructure, or other high-availability domains πŸ– WHAT WE OFFER TO YOU: - Full-time position with flexible working hours. - Possibility to work as an Employee or Freelance. - Indefinite agreement. - For employees, 5 weeks of vacation and 3 sick days. - Company events and weekly Braiins brunches in the office. - Relaxing room, a shower, and a shared parking spot. - Modern offices in the center of Prague, Czech Republic - the heart of Europe. - Work on long-term products in an interesting area of the Bitcoin industry. πŸ”₯ WE WILL LOVE YOU EVEN MORE IF… - You enjoy reducing toil and turning repeated manual work into simple automation. - You have experience in Bitcoin, mining, fintech, infrastructure, or other high-availability domains. - You are interested in AI-assisted engineering workflows and can use them responsibly. ## About Braiins ## Company Overview - **One-liner**: Braiins is a Bitcoin mining ecosystem company providing full-stack software and hardware solutions, including the longest-running mining pool (Slush Pool), custom ASIC firmware (Braiins OS+), and hashrate aggregation tools. - **Entity Type**: Private (Bootstrapped) - **Headquarters**: Prague, Czech Republic - **Founded**: 2010 (some sources cite 2011) - **Founders**: Jan Capek (Co-Founder & CTO) ## Core Business - Primary industry/industries: Bitcoin mining, Cryptocurrency infrastructure, Energy management - Target customers: B2B (large-scale mining operations, enterprise miners) and B2C (individual miners and small-to-medium businesses) - Mission or purpose statement: "Infrastructure for bitcoin, energy, and capital. Since 2010." [braiins.com](https://braiins.com/) ## Products & Services - **[Slush Pool (Braiins Pool)]**: The longest-running Bitcoin mining pool (since 2010), offering FPPS (Full Pay Per Share) rewards including transaction fees, with Lightning payouts and 0% fees on Braiins OS. [braiins.com](https://braiins.com/) - **[Braiins OS+]**: Custom firmware for ASIC mining hardware that optimizes chip performance, increases bitcoin ASIC lifespan, and allows miners to mine more bitcoin at any power limit. Designed for large-scale operations. [braiins.com](https://braiins.com/) - **[Braiins Toolbox]**: A remote management system for monitoring and controlling Bitcoin mining operations, enabling firmware updates, performance optimizations, and settings adjustments from anywhere. [braiins.com](https://braiins.com/) - **[Stratum V2 / Hashrate Aggregation Proxy]**: Reduces data transmission between mining farms and the pool by 95%, enables parallel usage of multiple pools, and allows setting a backup pool for the entire farm. [braiins.com](https://braiins.com/) - **[Braiins Hardware]**: Bitcoin ASIC components and hardware tools designed for harsh mining environments, sold through their shop. [braiins.com](https://braiins.com/) ## Market Standing - **Valuation/Market Cap**: Not publicly available (private company) - **Key Metric**: Total Funding β€” Not disclosed (bootstrapped/private). Headcount: 73 employees (+19.5% YoY). [LinkedIn](https://www.linkedin.com/company/braiins) - **Notable Investors/Partners**: Not publicly disclosed (privately held) - **Growth Signals**: Yearly headcount growth of +19.5% (adding 15 people); operates in 13 countries including the United States, Italy, Bulgaria, Brazil, and Serbia; LinkedIn followers grew +30.7% year-over-year. [LinkedIn](https://www.linkedin.com/company/braiins) ## Competitive Advantages - **First-mover advantage**: Longest-running Bitcoin mining pool since 2010, with deep expertise in the mining ecosystem. - **Full-stack ecosystem**: Offers integrated hardware, firmware, pool, and management software β€” creating a closed-loop system that is hard for competitors to replicate. - **Technical moat**: Custom ASIC firmware (Braiins OS+) and Stratum V2 protocol give them unique capabilities in optimizing hashrate and reducing data transmission costs. - **Global reach**: Operations across 13 countries with a distributed team, allowing 24/7 support and development. ## Strategic Focus - **Expanding the mining ecosystem**: Continuing to develop and integrate hardware, firmware, pool, and management tools into a seamless platform. - **Energy and capital infrastructure**: Positioning as infrastructure for bitcoin, energy, and capital β€” likely expanding into energy management and capital markets for miners. - **Global talent acquisition**: Actively hiring for technical and operational roles across multiple countries, with a focus on remote work and international team growth. [braiins.com/careers](https://braiins.com/careers) ## Why Work Here - **Remote-first culture**: "We’re looking for skilled developers to be part of our international team. You can work remotely, or join us at our headquarters in Prague." [braiins.com/careers](https://braiins.com/careers) - **Cutting-edge tech stack**: Rust, Python, React, D3, GraphQL, Docker, Kubernetes, FPGA, bitstreams, Bitcoin, Stratum V2, and low-level hardware development. [braiins.com/careers](https://braiins.com/careers) - **Inclusive hiring**: "Senior or junior doesn’t matter β€” dedication and skill is what we’re looking for. Everything you don't know, we will be happy to teach you! Students, drop outs, or aliens are welcome too." [braiins.com/careers](https://braiins.com/careers) - **International team**: Employees from 13+ countries, with a diverse mix of technical and operational talent. - **Active hiring**: 5 open positions as of the latest data, including IT Operations Team Lead, Embedded Linux Engineer, Technical Support, Data Engineer/Analyst, and Frontend Developer. [jobs.ashbyhq.com](https://jobs.ashbyhq.com/Braiins) - **Notable perks**: Work on Bitcoin infrastructure, cutting-edge mining technology, and a mission-driven team focused on decentralization. ## Sources 1. [Braiins Careers Page](https://braiins.com/careers) 2. [Braiins Official Website](https://braiins.com/) 3. [Braiins LinkedIn](https://www.linkedin.com/company/braiins) 4. [Braiins Jobs (Ashby)](https://jobs.ashbyhq.com/Braiins) 5. [CB Insights Braiins Profile](https://www.cbinsights.com/company/braiins) ## Other roles at Braiins - [Product Discovery & Prototyping Engineer](https://feeny.ai/job/product-discovery-prototyping-engineer-braiins-braiins-cxckwhbem804) β€” Braiins - [Backend Rust Developer](https://feeny.ai/job/backend-rust-developer-braiins-braiins-xvz6p733vtk5) β€” Braiins - [Business Operations Associate](https://feeny.ai/job/business-operations-associate-braiins-texas-thn24s5ged0q) β€” Texas, United States - [Senior Accountant (with Controlling Responsibilities)](https://feeny.ai/job/senior-accountant-with-controlling-responsibilities-braiins-braiins-sr53xc62mw17) β€” Braiins - [IT Operations Team Lead](https://feeny.ai/job/it-operations-team-lead-braiins-braiins-sx35gr7mdm14) β€” Braiins - [Site Reliability Engineer](https://feeny.ai/job/site-reliability-engineer-singlestore-linkedin-portugal-r7dtrfaa17rn) β€” Portugal - [Site Reliability Engineer](https://feeny.ai/job/site-reliability-engineer-genesis-london-cpq05vt4mpzk) β€” London, United Kingdom - [Site Reliability Engineer](https://feeny.ai/job/site-reliability-engineer-instrumental-inc-palo-alto-rzgc6dd10n8w) β€” Palo Alto, CA - [Site Reliability Engineer](https://feeny.ai/job/site-reliability-engineer-delinea-home-office-0kk2x5z01xfd) β€” Home Office, United Kingdom - [Site Reliability Engineer](https://feeny.ai/job/site-reliability-engineer-plume-hyderabad-x720vf08px6s) β€” Hyderabad, India