Senior Platform Engineer

Next Matter; City Of London; On-site; GBP 70,000 - 90,000; Full time

Job summary

A leading fintech platform is seeking a Senior Platform Engineer to enhance and maintain scalable cloud infrastructure. This role requires over 5 years of experience in infrastructure engineering, strong Kubernetes skills, and proficiency in Terraform. You will collaborate with various teams to ensure effective tool integration and robust delivery. A competitive compensation package and hybrid work options are offered.

Benefits

Equity share options

Flexible holiday

Internet connection paid up to €50/month

Significant personal development budget

Qualifications

• 5+ years in infrastructure/platform engineering (DevOps, SRE).
• Strong experience with Kubernetes and container orchestration.
• Proficiency in Terraform/Terragrunt for IaC.

Responsibilities

• Design, deploy, and maintain scalable multi-cloud infrastructure.
• Build internal tools to streamline workflows.
• Ensure high service reliability and strong security practices.

Skills

Infrastructure/Platform Engineering

Kubernetes

Terraform/Terragrunt

Vault

Golang

Proficiency in observability tooling

Interest in Web3/crypto

Tools

AWS

GCP

Helm

Prometheus

PostgreSQL

Job description

Location

London

Employment Type

Full time

Location Type

Hybrid

Department

R&D Infrastructure

Full time - London hybrid or Remote from UK

Kiln is now part of the prestigious French Government program #FT120 from La French Tech! 🎉 🇫🇷

As a Senior Platform Engineer at Kiln, you'll join our Infrastructure Team 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 (DevOps, SRE) in high-standard environments (ideally FinTech or Crypto)
• 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
• Proven interest in Web3, blockchain, cryptocurrency — with understanding of protocols, staking, and DeFi. Check our Tech Blog https://www.kiln.fi/blog and Open-Source Contribution https://www.kiln.fi/open-source

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 100 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
• Flexible holiday
• Flexible remote working
• Internet connection paid up to €50/month
• Significant personal development and tech conf budget

Your interview process

1. Recruiter Interview (40 min)
2. Take-home test (< 2 hours)
3. Technical Interview #1 [Linux & Kubernetes] (120 min)
4. Technical Interview #2 [Problem solving & Debugging] (60min)
5. Core Values Interview (45 min)
6. Founders Interview (30 min)
7. Offer!

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.