Senior Backend Engineer (Python/Kotlin) - Build Wallet

Zepz; Greater London; Hybrid; GBP 90,000 - 130,000; Full time

Benefits offered by this job

Unlimited annual leave

Great healthcare benefits

Employee discounts

London office commutable distance

Job summary

Zepz is hiring a Senior Backend Engineer for RemittancePlus, centered on building and operating Universal Wallet, a multi-currency, crypto-capable wallet powering deposits, withdrawals and balances for millions of customers. You’ll own backend services and contribute across a mixed stack with Python and Kotlin/Java.

The role offers flexible remote readiness with a London-focused office presence, and opportunities to shape scalable, reliable fintech infrastructure within a fast-moving team.

Qualifications

• Senior backend engineer with a focus on building scalable services.
• Proficiency in Python and Kotlin/Java for backend work.
• Experience with distributed systems and reliability practices.

Responsibilities

• Develop and operate features for Universal Wallet in a multi-services stack.
• Collaborate with cross-functional teams to improve services, pipelines and tooling.
• Contribute to code reviews, deployments, and incident response in production.

Skills

Senior Backend Engineer

Python

Kotlin/Java

Distributed systems

Tools

AWS

PostgreSQL

Job description

Zepz is hiring a Senior Backend Engineer for RemittancePlus, centered on building and operating Universal Wallet, a multi-currency, crypto-capable wallet powering deposits, withdrawals and balances for millions of customers. You’ll own backend services and contribute across a mixed stack with Python and Kotlin/Java.

The role offers flexible remote readiness with a London-focused office presence, and opportunities to shape scalable, reliable fintech infrastructure within a fast-moving team.