Principal Backend Engineer

Stack

Responsibilities

• ▹Own and drive the architecture behind the most critical platforms
• ▹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 (Java 17/21, Spring Boot 3, Kotlin, 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 across critical systems
• ▹Partner with Product, Data, and leadership to translate business priorities into scalable technical strategy
• ▹Lead cross-organisational initiatives essential to company growth and market expansion
• ▹Influence engineering direction through hands-on contribution, design leadership, and mentorship

Requirements

• ▹8+ years of experience building and operating distributed systems

What we offer

• ▹Continuous learning opportunities
• ▹Comprehensive benefits package

About the company

Teya is a payment and software service provider, headquartered in London, serving small, local businesses across Europe. Founded in 2019, it builds easy-to-use, integrated tools that help its members accept payments and boost business performance.