Senior Software Engineer (Fintech)

TL;DR

Senior Software Engineer (Fintech): Building and optimizing high-throughput payment processing systems for a global platform with an accent on distributed architecture, scalability, and financial reliability. Focus on designing extensible components, ensuring high availability, and collaborating across international teams to support feature development and expansion.

Location: Must be based in the UK

Salary: £117,000–£157,000 per year

Company

A financial technology company reinventing credit through transparent, consumer-friendly buy-now-pay-later solutions.

What you will do

• Own and deliver quarterly goals while leading engineers through complex, ambiguous technical challenges.
• Collaborate with product management, design, and analytics to articulate constraints and make informed trade-offs.
• Proactively identify and resolve project, process, and technical issues.
• Maintain system availability through monitoring, metrics, and on-call support.
• Set and improve code review and design standards to foster a culture of quality.
• Mentor team members and provide guidance to support their professional growth.

Requirements

• 4+ years of experience designing and launching backend systems at scale.
• Proficiency in Python or Kotlin.
• Proven track record with distributed systems using AWS, MySQL, and Kubernetes.
• Experience defining technical plans for significant features with extensible designs.
• Strong verbal and written communication skills for effective global collaboration.
• Must be based in the UK.

Culture & Benefits

• Comprehensive health care coverage with 100% subsidized premiums for employees and dependents.
• Generous flexible spending wallets for technology, lifestyle, and family-forming expenses.
• Competitive vacation and holiday schedules.
• Employee stock purchase plan (ESPP) with discounts.
• Remote-first work environment with a focus on transparency and people-first values.