Principal Backend Engineer (Fintech)

TL;DR

Principal Backend Engineer (Fintech): Lead development of customer experiences, complex workflows, and operational task management applications enabling significant growth. With an accent on designing scalable, reliable backend systems using Java, Kotlin, and Golang. Focus on solving highly complex challenges, leading architecture decisions, and mentoring senior engineers.

Location: London, United Kingdom

Company

hirify.global is a London-based payment and software service provider focused on empowering small, local businesses across Europe with integrated payment and business performance tools.

What you will do

• Lead development and delivery of critical projects impacting the entire organization.
• Design, implement, and operate backend systems supporting customer experiences and complex workflows.
• Contribute hands-on code demonstrating best practices and high quality standards.
• Collaborate with Principal Engineers and tech leaders to influence strategic technology decisions.
• Continuously improve engineering practices using data insights and industry knowledge.
• Mentor and coach senior engineers, fostering their professional growth.
• Lead design reviews for complex software projects and critical features.

Requirements

• Location: Must be based in London, United Kingdom
• 8+ years of professional software development experience.
• Strong problem-solving skills with data structures, algorithms, and complexity analysis.
• Proven experience in technical documentation and communication.
• Experience leading design and architecture of scalable, reliable systems.
• Proven mentorship and leadership of peer engineers.
• Ability to navigate and lead through ambiguous technical and business challenges.

Culture & Benefits

• Flexible working hours aligned with team needs.
• Physical and mental health support including GymPass access, therapy, meditation, and fitness apps.
• Extended maternity and paternity leave options.
• Cycle-to-Work Scheme, Health and Life Insurance, Pension Scheme.
• 25 days annual leave plus bank holidays.
• Office snacks and a friendly, informal office environment in Central London.