Senior Full Stack Software Engineer

October 2, 2026

Remote

Senior

Bracknell, England, UK

Worth knowing

Includes on-call duty
English is required

Description

Xe is a cross-border payments platform backed by Euronet Worldwide, rebuilding the platform layer behind cross-border payments for corporate and consumer clients. The company is hiring a senior full-stack engineer who owns real problems end-to-end, from API design and frontend experience through backend services, production reliability and launch. The role spans features across onboarding, KYC/KYB, payment initiation, FX and settlement within a small engineering team with direct access to product, design and compliance.

Responsibilities

Design and own features across the stack that move money and manage multi-currency balances across domains including onboarding, KYC and KYB, payment initiation, FX, settlement, and other supporting services
Lead delivery of customer-facing features that customers use every day, from the interface through to the services behind them
Own production health for your domain, including reliability, observability, on-call, and incident response
Lead cross-functional delivery with product, design, and compliance from problem framing through launch
Lead design reviews, set technical direction for your domain, and mentor mid-level engineers
Use agentic coding tools (Copilot, Cursor, Claude Code, or equivalent) daily across the SDLC, and lead modernization from legacy services into the modern stack alongside architects and team leads in your domain

Requirements

6 to 10+ years building production web applications, end-to-end
Strong frontend proficiency with Vue.js, React, or equivalent
Strong backend proficiency in C# / .NET preferred; other OOP languages welcome (Java, Kotlin, Go, or equivalent)
Solid SQL and relational database fundamentals
Writing and maintaining tests as part of how you ship
Daily use of agentic coding tools (Copilot, Cursor, Claude Code, or equivalent) across the SDLC
Production experience on AWS, including hands-on deployment, CI/CD pipelines and modern deployment practices, and native services such as SQS, DynamoDB, S3, ECS, and Lambda
Strong system design and architecture experience, including service-oriented or microservices and event-driven patterns
Payments, FX, or regulated-industry experience
Track record of technical leadership: mentoring engineers, leading design reviews, and making architecture decisions in your domain
Strong communication and collaboration across engineering, product, and design
Frontend fundamentals: responsive design, accessibility, web performance, and internationalization
Experience leading front-end or platform modernization and migrations
Experience with caching solutions like Memcached or Redis
Experience using project management and documentation tools like Jira and Confluence
Knowledge of API testing tools such as Postman or Bruno
Writing automated tests alongside development with AI tools (Claude Code or equivalent)

Conditions

Competitive Salary & Discretionary Bonus
23 days annual leave increasing with service (capped at 28 days)
Paid day off for your Birthday
4% employer pension contribution
Discounted Euronet ESPP
Life Cover, Income Protection & Critical Illness cover
Healthcare
Plumm Mental Health and Wellbeing
Volunteering day for a charity of your choice

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