What You'll Be Doing

Own and drive the architecture behind critical platforms to scale with business growth and unlock new capabilities
Design and evolve high-scale, cloud-native systems powering payments and merchant experiences
Lead development of resilient, secure, and compliant services for high-volume transaction processing
Shape and drive adoption of modern backend practices including Java 17/21, Spring Boot 3, Kotlin, and clean architecture
Architect event-driven systems (Kafka) enabling scalable, decoupled domains across teams
Define and enforce standards for API-first development (REST/gRPC) and domain-driven design (DDD)
Set the bar for availability, performance, fault tolerance, and observability for critical systems
Partner with Product, Data, and leadership to translate business priorities into scalable technical strategies
Lead cross-organisational initiatives essential to company growth and market expansion
Influence engineering direction through hands-on contribution, design leadership, and mentorship
Bring structure to ambiguity across technical, regulatory, and operational domains

Requirements

8+ years of experience building and operating distributed, production-grade backend systems
Proven experience operating at Senior Staff or Principal level, driving architecture across multiple teams or domains
Deep expertise in Java (17+), Spring Boot, and modern backend engineering practices
Strong experience with microservices, event-driven architecture, and asynchronous systems
Experience building high throughput, low latency, reliable systems, ideally in fintech or transaction-heavy environments
Strong grounding in system design, data structures, and performance trade-offs
Hands-on experience with AWS, Docker, and Kubernetes in production environments
Proven ability to implement observability, resilience patterns, and CI/CD best practices
Excellent communication skills with ability to influence and align stakeholders
Track record of mentoring senior engineers and leading through ambiguity

Flexible working hours accommodating both personal and team needs
Physical and mental health support through GymPass, including access to gyms, therapy, meditation, and fitness apps
Extended and improved maternity and paternity leave options
Cycle-to-Work Scheme
Health and Life Insurance
Pension Scheme
25 days of annual leave plus bank holidays
Daily office snacks
Friendly, comfortable, and informal office environment in Central London