PHP Jobs in Web3

Full time - London or Paris Hybrid or remote from UK/EU

As a Senior Site Reliability Engineer - Platform at Kiln, you'll join our Infrastructure team (10 engineers) to build robust and scalable cloud infrastructure. You’ll collaborate with Protocol, Smart Contract and Software Engineering teams to create tools and environments that ensure fast, secure, and reliable software delivery. This role reports to the Head of Infrastructure and plays a key part in scaling Kiln’s core platform.

Responsibilities:

• Design, deploy, and maintain scalable, multi-cloud & bare metal infrastructure

• Build internal tools and platforms to streamline development workflows

• Ensure high service reliability, uptime, and smooth inter-service communication

• Maintain strong infrastructure security practices and compliance (SOC 2)

• Improve observability, alerting, and performance monitoring

• Guide architectural decisions and promote infrastructure best practices

• Collaborate with teams to assess risk and ensure robust delivery

Stack:

• Infrastructure: AWS, GCP, bare metal, Kubernetes, Terraform, Terragrunt, Prometheus, Thanos, Helm, Hashicorp Vault, FluxCD

• Software: Golang, Typescript, PHP, PostgreSQL, Solidity

• Tooling: GitHub Actions, Grafana, GitOps CI/CD pipelines

Requirements:

• 5+ years in infrastructure/platform engineering in high-standard environments (FinTech a plus)

• Strong experience with Kubernetes and container orchestration

• Proficiency in Terraform/Terragrunt and Helm for IaC and automation

• Familiar with Prometheus/PromQL and observability tooling

• Experience with secure infrastructure management (e.g. Vault, KMS)

• Clear and confident in technical decision-making and collaboration

• Fluent in French and English (all written communication is in English)

Nice-to-have:

• Experience building internal developer platforms

• Familiarity with high-availability systems at scale

• Experience designing, building and deploying user-facing, and/or API-based products.

• Previous work in SOC2, ISO 27001, or other certified environments

• Experience with data tooling (BigQuery, Airbyte, DBT, ….)

About Kiln:

Kiln is the leading enterprise-grade rewards platform that enables institutional customers to stake assets and integrate staking & DeFi functionality into their offerings. Our API-first platform provides fully automated validators, staking & DeFi protocols access, and comprehensive data and commission management.

With $13+ billion in crypto assets staked through our platform, Kiln has established a strong presence on Ethereum, managing over 4.3% of the network through 45,000+ validators — all with zero slashing events.

Kiln serves more than 140 leading customers, including Binance, BitPanda, Bitgo, Fireblocks, VanEck, and TrustWallet.

Our team of 90 ecosystem enthusiasts brings experience from industry leaders like Google, Circle, Ledger, Chainalysis, and other prominent technology and cryptocurrency companies.

We've raised $30M in total funding from prominent investors including 1kx, Crypto.com, Illuminate Financial, Consensys, Wintermute, Kraken Ventures...

Join Kiln and help us make the web more secure, stable, decentralized, and fair!

How Kiln will support you:

• A fast-paced, no bureaucratic work environment

• Equity Share Options in the Business: if Kiln succeeds, we all succeed!

• Competitive Salary

• Unlimited holiday

• Flexible remote working

• Choose your IT equipment

• Significant personal development and tech conference budget

Your interview process: 

1. Recruiter Interview (45 min)

2. Take-home test (< 2 hours)

3. Technical Interview (90 min)

4. Core Values Interview (45 min)

5. Founders Interview (30 min)

6. Offer!

We aim to keep this process within 3 weeks E2E. We understand this process won't be right for everyone, please let us know if you would like any amendments made alongside your application.

Please note that we are not sponsoring visas for persons without work authorization in the UK or the EU. This role is specifically for employees (no B2B or contractors) based in the EU and the UK.

We look forward to your application and aim to get back to you within a week, most likely sooner.