We are hiring a Senior Site Reliability Engineer – Platform for a rapidly growing Web3 scale-up at the forefront of blockchain infrastructure. You will join a highly experienced Infrastructure team (10 engineers) and play a key role in scaling, securing and optimising the cloud and on-premise infrastructure that underpins a global validator platform handling over $13 billion in crypto assets.
Reporting directly to the Head of Infrastructure, you will work cross-functionally with Protocol, Smart Contract, and Software Engineering teams to build internal platforms and ensure fast, secure and reliable product delivery.
YOUR SKILLS- Design, deploy, and maintain multi-cloud and bare-metal infrastructure at scale
- Build internal tools to streamline engineering workflows and delivery pipelines
- Improve service reliability, uptime, observability, and recovery
- Maintain a strong focus on infrastructure and data security (SOC 2 environment)
- Promote infrastructure best practices and guide technical architecture decisions
- Work closely with product and protocol teams to assess risks and ensure smooth rollouts
Tech Stack
- Infrastructure: AWS, GCP, bare metal, Kubernetes, Terraform, Terragrunt, Prometheus, Thanos, Helm, Vault, FluxCD
- Software: Golang, Typescript, PHP, PostgreSQL, Solidity
- Tooling: GitHub Actions, Grafana, GitOps pipelines
Must-haves:
- 5+ years in Infrastructure, SRE or Platform Engineering within high-standard environments (FinTech or Web3 a plus)
- Deep hands-on experience with Kubernetes and container orchestration
- Strong proficiency in Terraform, Terragrunt, Helm and GitOps practices
- Familiar with observability tooling (Prometheus, PromQL)
- Sound knowledge of secure infra practices (e.g. Vault, KMS)
- Clear communicator with confident technical decision-making
Nice-to-haves:
- Experience building internal developer platforms
- Familiarity with high-availability distributed systems
- Background in SOC2, ISO 27001 or similar compliance frameworks
- Exposure to blockchain infrastructure or DeFi
- Familiarity with data stack (BigQuery, Airbyte, DBT, etc.)
- Salary: €90–115K depending on experience + equity options
- Remote-friendly: Work remotely from the UK or EU (or in offices in London/Paris)
- Unlimited holidays & flexible hours
- Budget for well-being, tech conferences, and personal development
- Fast-paced, impact-driven culture with no unnecessary bureaucracy
- Recruiter Interview (45 min)
- Take-home task (<2 hours)
- Technical Interview (90 min)
- Core Values Interview (45 min)
- Founders Interview (30 min)
- Offer! 🎉
This full process typically takes under 3 weeks. If you require adjustments for accessibility, we're happy to accommodate.
Please note: Visa sponsorship is not available. This role is only open to candidates with existing work authorisation in the UK or EU.
Our client is a Web3 scale-up leading the way in institutional staking and blockchain rewards infrastructure. Their enterprise-grade, API-first platform is trusted by more than 140 clients—including major exchanges, custodians and asset managers—and secures over 45,000 Ethereum validators (4.3% of the network) with zero slashing.
With $30M raised from investors such as Consensys, Crypto.com, Kraken Ventures, and Wintermute, they are scaling across Europe and continuing to shape the future of decentralised infrastructure.