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Senior Software Engineer I

United Kingdom, London💼 Full-time🗓 2026-07-16 → 2026-09-25

Core

Design and build highly reliable, secure, and scalable software solutions for complex problems in cloud-native banking systems.

Role type

Senior Software Engineer I (Technical Lead)

Builds

Core and payments technology running natively in the cloud for global banks

Domain

Fintech / Banking / Cloud Infrastructure

Deliverable

production ML models | product features | infrastructure

Required skills

Go, Python, Kubernetes, AWS/GCP, gRPC, PostgreSQL, distributed systems, system architecture, incident management, technical mentorship

Preferred skills

cloud-native system design, production operations, stakeholder communication

Technologies

Go, Python, Kubernetes, AWS, GCP, gRPC, PostgreSQL

Responsibilities

Design and build reliable, secure, scalable software solutions; contribute to team guidelines for security, performance, and reliability; provide detailed feedback on design documents and pull requests; investigate and resolve production incidents; lead technical interviews; own work items from concept to production; partner with Product Managers to translate requirements into technical specifications; mentor less experienced engineers.

Seniority

Senior, hands-on IC with mentorship responsibilities

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