Principal Software Engineer (Fintech)

TL;DR

Principal Software Engineer (Fintech): Lead the technical vision and architecture for large-scale, distributed systems in a fintech environment with an accent on strategic impact, scalability, and operational excellence. Focus on designing resilient systems, mentoring senior engineers, and driving cross-team technical leadership and innovation.

Location: Hybrid in Cardiff, United Kingdom

Company

hirify.global is part of RVU, a group of online brands including Uswitch, Confused.com, and money.co.uk, focused on empowering consumers in the fintech and household services sectors.

What you will do

• Define and own the long-term technical vision and architectural strategy for major business verticals.
• Drive high-leverage technical initiatives that deliver measurable business growth and operational efficiency.
• Design, govern, and audit complex, scalable, and resilient systems across multiple teams.
• Mentor and coach senior and staff engineers to elevate technical standards and leadership.
• Resolve complex cross-team technical conflicts and communicate strategic technical decisions effectively.
• Champion best practices in software development, CI/CD, production readiness, and risk management.

Requirements

• Location: Hybrid work with 2 in-office days per week in Cardiff, UK
• English: Proficient English required (job posting in English)
• Extensive experience with cloud technologies, event/data ingestion, and 3rd party API integrations.
• Deep knowledge of modern frameworks including Go, React, .Net, and Python.
• Proven ability to lead large-scale distributed systems and infrastructure scalability strategies.
• Strong communication skills to translate technical complexity into business context.

Culture & Benefits

• 10% discretionary yearly bonus and annual pay reviews based on performance.
• Hybrid working model with up to 22 days per year to work from anywhere.
• Employer pension contributions up to 7.5% and a £300 work-from-home budget.
• Generous leave policies including maternity, paternity, shared parental, and adoption leave.
• Private medical, critical illness, dental plans, and employee assistance program.
• Free gym access, employee discounts, learning budget, and electric vehicle/cycle to work schemes.
• Regular team and company-wide events with external speakers.

Hiring process

• Application submission
• Review stage
• Interview stage
• Hiring decision