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Senior Software Engineer
Platform / Core Infrastructure
London | 4 days a week on site
Up to £120k
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.
This is a Senior Platform Engineer opportunity where you'll take ownership of critical platform initiatives, make key architectural decisions and build the foundations that enable engineering teams to deliver software securely, reliably and at pace.
You'll work across cloud infrastructure, Kubernetes, automation and developer tooling, with the autonomy to take projects from initial design through to production. It's an opportunity to make a tangible impact on platform reliability, scalability and the developer experience within a complex, distributed environment.
What you'll be doing
- Taking ownership of major platform initiatives from discovery and design through to implementation and production.
- Designing, building and operating scalable cloud infrastructure across compute, networking, identity and data.
- Developing reusable, self-service platform capabilities that help engineering teams deploy and operate services independently.
- Driving cloud migrations and workload modernisation, improving consistency, resilience and efficiency.
- Building and maintaining infrastructure automation, deployment pipelines and GitOps workflows.
- Working closely with engineering and security teams to establish best practices, strengthen platform security and improve observability.
- Making pragmatic architectural decisions, balancing reliability, performance, security and operational simplicity.
- Mentoring engineers, sharing knowledge and contributing to the ongoing evolution of the platform.
- Participating in a compensated on-call rotation and using incident learnings to improve automation and resilience.
What we're looking for
- Strong experience designing, building and operating production-grade cloud-native platforms.
- Hands-on expertise with Kubernetes, Terraform and public cloud environments, ideally GCP or AWS.
- Strong software engineering skills in Go, C# or TypeScript, with experience building production tooling, services or automation.
- Experience with GitOps, ArgoCD and CI/CD pipelines, including infrastructure automation and policy enforcement.
- A solid understanding of distributed systems, networking, IAM and cloud security. xgikmsk
- Experience with technologies such as Istio, Cloudflare and modern observability tooling.
- A track record of taking technical ownership, making so Please click on the apply button to read the full job description
Senior Software Engineer - Platform employer: Fruition Group
As a leading financial technology organisation, we pride ourselves on fostering a collaborative and innovative work culture that empowers our employees to thrive. With competitive salaries and flexible working arrangements, including 2-3 days onsite in London, we offer exceptional growth opportunities through engaging projects in capital markets and cutting-edge technologies. Join us to be part of a team that values your expertise and encourages you to make a meaningful impact in the financial services sector.
