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WSD

Senior Software Engineer

London, London, City of

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hirly's read of this role

Role family
Engineering
Seniority
Senior
Country
GB
Work mode
On-site / unstated
First seen by hirly
1 Sept 2026

Derived automatically from the posting. Upload your resume above to see how the role scores against it.

the posting

About the Role

We are looking for a Senior Software Engineer-Platform Services to drive our core platform ecosystem. In this role, you will drive technical excellence across dual-stack ( Node.js/TypeScript and Java/Kotlin ) distributed systems.

  • Job Role
  • Own and operate platform services that include customer and developer portals and centralised document management plus other cross-cutting services
  • Lead architectural decisions across the platform
  • Mentor engineers and drive technical quality
  • Responsibilities
  • Maintain and evolve engineering standards, shared libraries, service templates, API/event specifications, and Kafka integration patterns
  • Own performance and reliability: distributed tracing, benchmarks, latency optimisation, incident response
  • Continue Keycloak migration and identity infrastructure work
  • Lead development of developer portal and internal tooling
  • Required experience
  • 10+ years backend engineering with distributed systems at scale
  • Strong in Node.js/TypeScript and Java/Kotlin
  • Kafka and event-driven architecture
  • AWS, Kubernetes, Docker in production
  • Postgres, Elasticsearch; observability tooling (Datadog, Elastic APM)
  • Financial services or other regulated/high-reliability environments
  • Desirable
  • Identity/auth experience: Keycloak or similar, OAuth 2.0, OIDC, SAML
  • Zero-downtime migration experience
  • Developer experience/platform tooling (Backstage, service templates, DORA metrics)
  • Technical leadership or product ownership of platform services

If you have the skills, experience and drive to excel in this challenging and rewarding role, we would love to hear from you. Apply today and take the next step in your career with us!

WSD is an employer that values diversity. We highly encourage applications from appropriately qualified and eligible candidates irrespective of age, race, religion, national origin, gender, sexual orientation, gender identity and/or expression, veteran status, disability, or any other status protected by applicable law.

Original posting on WSD's site ↗

Listed on hirly, a job board. hirly is not the employer: WSD is hiring for this role.

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