Software Engineer – Platform / Core Infrastructure
London
4 days a week on site
Up to £110k
We’re working with a London-based fintech that has scaled rapidly in a short space of time. Their platform now processes billions in annual transaction volume, operating across multiple markets and supporting a fast‑growing customer base.
With that growth comes complexity - and that’s where this role sits.
The opportunity
This is a role in the Core Infrastructure (Platform) team - the group responsible for how engineering happens across the business.
You won’t be building end‑user features. You’ll be building the systems, tooling, and infrastructure that every engineering team relies on to ship safely, quickly, and at scale.
The team treats infrastructure as a product. Internal engineers are the users. Adoption, usability, and reliability matter.
What you’ll actually be doing
- Building a self‑service internal platform used across multiple teams
- Reducing friction in the software lifecycle - from local dev → deploy → production
- Improving developer experience (DevEx) by simplifying workflows and abstractions
- Developing cloud‑native tooling and platform services
- Contributing to CI/CD pipelines and GitOps‑based delivery models
- Designing for scale, reliability, and security by default
- Working directly with engineers to understand bottlenecks and remove them
Tech environment
- Golang
- Terraform / Infrastructure as Code
- CI/CD pipelines + GitOps workflows
What they’re looking for
- Background in Software Engineering, Platform Engineering, DevOps or SRE
- Some experience with Golang
- Experience working in cloud‑native environments (AWS or GCP)
- Hands‑on with Kubernetes and containerised systems
- Familiarity with Infrastructure as Code (Terraform or similar)
- Experience building or maintaining CI/CD pipelines
- Interest in developer tooling, platform thinking, and DevEx
The reality
This isn’t a pure DevOps support role.
It’s building the platform layer properly - with product thinking, long‑term ownership, and a focus on making engineers faster.
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