Principal Software Engineer (Fintech)

TL;DR

Principal Software Engineer (Fintech): Providing deep technical leadership and hands-on implementation within a platform team, with an accent on architecting highly available, multi-region infrastructure services and defining resilience patterns. Focus on driving engineering standards, strategy, and adopting modern cloud-native and GitOps practices.

Location: Must be based in London and work 4 days onsite.

Salary: £110,000–£140,000 per annum

Company

hirify.global is one of the UK's fastest-growing fintech scaleups, valuing reliability as a competitive advantage.

What you will do

• Architect and implement highly available, multi-region infrastructure services.
• Define resilience patterns across services (failover, circuit breaking, back-pressure, etc.).
• Lead large-scale refactoring or reliability improvement initiatives.
• Establish best practices in incident response, observability, and SLO management.
• Drive adoption of modern cloud-native and GitOps practices.
• Mentor senior engineers and influence engineering culture at scale.

Requirements

• Location: Must be based in London and work 4 days onsite.
• Strong backend engineering ability (Go, Java, or .NET).
• Extensive hands-on expertise designing and operating high-scale distributed systems.
• Deep expertise in cloud-native architecture (GCP/AWS).
• Advanced Kubernetes and container orchestration expertise.
• Proven track record of mentoring and technical leadership.

Culture & Benefits

• Opportunity to influence architecture across a multi-country product.
• Work in an engineering-led organization where technical excellence drives business success.
• Opportunity to remain hands-on while shaping long-term platform best practices.
• Equal opportunities employer.