As the first dedicated Senior Platform Engineer, you will own the infrastructure behind StackOne’s AI Integration Gateway. Reporting to the CTO, you’ll lead the migration from AWS CDK to Terraform, optimize CI/CD pipelines for a growing monorepo, and architect the delivery of the platform into customers’ own cloud environments via BYOC models.
Senior Platform Engineer at StackOne
StackOne is redefining how AI agents and SaaS platforms integrate with enterprise data. As our first Senior Platform Engineer, you’ll report to the CTO and own our entire AWS infrastructure, lead a major Terraform migration, and architect our 'Bring Your Own Cloud' delivery model. Backed by GV and Workday Ventures, we offer a high-impact environment where you'll build the 'paved roads' for our engineering team and ship production infrastructure into the clouds of the world’s largest enterprises.
Want to apply for this role?
Jack finds you jobs at companies like StackOne. Talk to Jack to get considered for roles that fit what you're great at.
Location
London, United Kingdom
Compensation
Not Disclosed
Company
StackOne
Role overview
SoftwareCanterbury, United KingdomSeries A (VC-backed)
StackOne is the AI Integration Gateway for SaaS products and AI Agents. With operations in the UK and US, the company enables builders of SaaS platforms and AI Agents to orchestrate hundreds of scalable, accurate, and enterprise-grade integrations. Their platform combines 25,000 pre-mapped actions on 200 connectors, an AI-powered integration development toolkit, plus security by design: a real-time architecture, managed authentication and permissions, and end-to-end observability. The company was founded by a team of former Google, Oracle, JP Morgan, Coinbase, and Microsoft employees with a mission to build the most advanced integration infrastructure for generative AI applications. StackOne has experienced rapid growth, serving enterprise clients globally, and is backed by notable investors, including GV (Google Ventures), Workday Ventures, and Episode 1.
Backed by GV (Google Ventures), Workday Ventures, XTX Ventures, Episode 1 Ventures, Playfair Capital, Founders of GitHub, Founders of Onfido, Founders of Hofy, Angel investors from OpenAI, Angel investors from Google DeepMind, Angel investors from Microsoft, Angel investors from MuleSoft.
What you will do
- Lead the transition of the entire AWS estate from AWS CDK to Terraform while maintaining high reliability for production workloads like ECS Fargate and Aurora.
- Architect and automate the deployment pipeline, consolidating toward a monorepo with incremental, affected-only testing to ensure rapid developer feedback loops.
- Build the versioning, packaging, and delivery systems required to ship StackOne’s platform into customer-managed cloud environments with full observability and security.
Who this is a fit for
- Has 4+ years of experience in platform engineering or SRE, with deep expertise in AWS services including ECS/Fargate, RDS/Aurora, and Lambda.
- Demonstrates high proficiency in Infrastructure as Code (Terraform/CDK) and programming in TypeScript or Python to build developer tools rather than just configuration.
- Possesses a security-first mindset with experience securing CI/CD pipelines and ideally shipping software into customer-managed cloud or on-prem environments.
Why this role is remarkable
- Foundational Impact: Join as the first dedicated platform engineer, defining the infrastructure strategy and DevOps culture from the ground up for a high-growth startup.
- Blue-Chip Backing: Backed by top-tier investors GV (Google Ventures) and Workday Ventures with $24M raised to solve complex enterprise integration challenges.
- Complex Engineering: Work on cutting-edge “Bring Your Own Cloud” (BYOC) architecture, delivering SaaS infrastructure directly into major enterprise cloud accounts like AWS, GCP, and Azure.
How Jack & Jill work together
I get to know what you’re great at, then find roles you’d never find yourself.Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.
I recruit from Jack’s network and make the intro when I spot a great match.And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.
Jack gets to know what you're great at and what you want next, then searches 15 million jobs daily and helps you discover roles at companies like this.
Meet Jack
What happens next?
Jack’s an AI agent for job searching and career coaching. He works for you.
Jill is the AI recruiter working for the company. She recruits from Jack’s network.
If your profile’s a match and StackOne wants to meet, Jill will make the intro. In the meantime, Jack will send you excellent alternatives.