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WSD

Lead Software Engineer

WSD

Lead Software Engineer for platform services driving technical excellence in dual-stack distributed systems. Mentor engineers while overseeing architecture and performance improvements.

Posted 7/19/2026full-timeLondon • 🇬🇧 United KingdomSeniorWebsite

Core Competencies

Role fit
Core Competencies

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Demonstrates extensive experience in backend engineering with distributed systems, focusing on performance, reliability, and technical leadership. Proficient in Node.js, TypeScript, and Java, with a strong background in identity management and observability tooling.

Highest-signal resume keywords
Backend EngineeringNode.js/TypeScriptJava/KotlinKafka IntegrationAWS/Kubernetes/Docker

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Backend EngineeringNode.jsTypeScriptJavaKotlinKafkaPostgresElasticsearchZero-Downtime MigrationIdentity Management
Soft Skills
Technical LeadershipMentoring
Tools & Technologies
AWSKubernetesDockerDatadogElastic APMKeycloakOAuth 2.0OIDCSAMLBackstage
Industry Keywords
Financial ServicesRegulated EnvironmentsHigh-Reliability EnvironmentsEvent-Driven ArchitectureObservability Tooling

Tech Stack

Tools & technologies
AWSDistributed SystemsDockerElasticSearchJavaJavaScriptKafkaKotlinKubernetesNode.jsPostgresTypeScript

About the role

Key responsibilities & impact
  • 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
  • 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

Requirements

What you’ll need
  • 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
  • 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

Benefits

Comp & perks
  • Hybrid working arrangement