Senior/Staff Site Reliability Engineer

Requirements

• You are fully proficient in English. Written and spoken, as we are a bunch from around the world, and we work in English.
• You communicate effectively and asynchronously.
• You have an automation mindset focused on streamlining daily operations.
• You manage infrastructures with code; it doesn't exist if it's not in git.
• You have programming skills in at least one language, or can learn more if the opportunity arises.
• You strongly favour simplicity over complexity.
• You solve problems with other people; you are a team player, not a hero. We share the knowledge (and sometimes the pain).
• You prefer data to opinions when making decisions. And are ok with finding the data yourself when it's missing.
• You have a strong sense of ownership, care about what you build, and build the right thing that serves your customers.
• You are a builder at heart. You like the opportunity to have tons of exposure, make things work for a company long-term, and have an entrepreneurial attitude for anything that comes your way.
• You are comfortable with changes in priorities, goals, and deadlines. You see this more as an opportunity than a hurdle. You are also comfortable challenging the status quo and pushing for change yourself.
• What Success Looks Like
• Help us keep our Kubernetes runtime across cloud providers boring, reliable, and delightfully uneventful, using Terraform, CRDs, and common sense.
• Evolve our API gateway layer as product and customer needs grow, ensuring the path between services remains reliable, scalable, and slightly less terrifying.
• Automate, operate, and troubleshoot our dat

Additional Information

Fonoa is the Tax Operating System for autonomous tax. AI that tracks every rule, acts on every obligation, and proves every decision, built on modular infrastructure. Fonoa's modules cover the full indirect tax lifecycle: tax ID validation, real-time tax determination, e-invoicing, and returns. All on one shared data model and integration, with one audit trail. Each added capability makes the others stronger. Agents monitor obligations, populate returns, catch anomalies and assemble audit packs in seconds. The system does the work. Humans make the calls. That's autonomous tax. We operate across 120+ countries, with clients going live in weeks, if not days. Trusted by Canva, Netflix, Spotify, Uber, Zoom and Booking.com. Rated 4.5/5 stars and a High Performer on G2 and 4.6/5 stars on Gartner Peer Insights. Find out more: www.fonoa.com About Engineering at Fonoa Engineering is central to how we build the business. We focus on solving real customer problems , not just shipping features. We work in small, high-trust teams , with full ownership across the lifecycle, from design to production and beyond. We value: Ownership - engineers own what they build end-to-end Simplicity - we break down complex problems into clear solutions Thinking Big - we innovate with modern technologies (LLMs, AI Agents, etc.) to solve meaningful problems Quality - scalable, maintainable systems are non-negotiable Speed & iteration - we ship fast, learn, and improve continuously Collaboration - we win as a team, not as individuals Position Overview As Fonoa continues to scale globally, we are looking for an Infrastructure Engineer to help us build and operate a reliable, scalable, and self-service platform that enables engineering teams to move fast with confidence. This role sits at the core of how engineering operates at Fonoa. You will work to improve the reliability, observability, scalability, and operational maturity of the systems powering our products, while building tooling and infrastructure that make developers' lives easier across the company. This is not a traditional "ops" role focused on manual infrastructure maintenance. We are looking for engineers who think in systems, automate relentlessly, and care deeply about developer experience, operational excellence, and long-term maintainability. You will work closely with product engineering teams to improve platform capabilities, evolve our Kubernetes and cloud environments, strengthen observability and reliability practices, and help teams fully own and operate their services in production. We are looking for someone who thrives in fast-moving environments, enjoys solving operational and systems challenges at scale, and is excited about building infrastructure that stays reliable, simple, and delightfully boring as the company grows. What Will You Do Continuously iterate on our platform, building self-service tooling and services consumed by internal customers (engineering teams). Helping to improve our products' observability, availability, security, and latency, so we can always keep our customers happy. Participating in an on-call schedule, taking care of the services the team owns. Defining and continuously improving our SLIs, SLOs, and SLAs as part of our ever-present effort to achieve operational excellence. Helping all engineering teams adopt site reliability.

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