Senior Software Development Engineer

WEXLondon, United Kingdomlast year

UK£80000-£100000/yr25 day PTO

Scope of Role

This role is critical in building the technology that powers mobility payment systems used by fleets across Europe and Asia Pacific. As a Senior Software Development Engineer, you will serve as a senior individual contributor driving architecture, technical standards, and engineering practices across teams. You will lead complex system design initiatives and contribute to shaping long-term platform evolution.

This position is based in our London office, with flexible hybrid working options. It offers the opportunity to work on global mobility products while contributing directly to our regional strategy and technical leadership in the UK.

What’s on offer?

Highly Competitive basic salary of between £80000-£100000 (Dependent on experience)
Annual Bonus
40 hour week- Monday to Friday
Hybrid working
Industry leading pension scheme
25 days holiday plus bank holidays- with the opportunity to purchase additional holidays
Life assurance
Income protection
Discount & Perks platform
Employee wellbeing

How you’ll make an impact

As a Software Development Engineer, you will:

Architect and build distributed, secure, and scalable backend systems.
Lead large-scale, cross-team engineering initiatives and drive alignment.
Drive service reliability, observability, and performance improvements.
Explore and apply AI/ML capabilities for fraud detection and automation.
Review and guide the design and implementation work of engineers across teams.
Coach, mentor, and influence engineering culture and technical standards.
Collaborate with product, design, and engineering leaders to align roadmaps.

Experience You’ll Bring

Professional software development experience.
Proven expertise in building and operating distributed backend systems.
Strong technical leadership in Java, Spring Boot, and microservices.
Deep understanding of cloud-native environments (AWS, Docker, Kubernetes).
Experience with messaging systems (Kafka), and gRPC APIs.
Working knowledge of AI/ML integration in backend services.
Excellent communication, collaboration, and mentorship skills.

View all remote jobs at WEX →

FAQ

Is the Senior Software Development Engineer position at WEX remote?: Yes. This role was posted on Remote Frontend Jobs, a job board that lists exclusively fully remote positions.
What is the salary for the Senior Software Development Engineer role?: The posted salary range for this position is £80000-£100000/yr.
When was this Senior Software Development Engineer job posted?: This listing was posted on May 20, 2025 and is still open for applications.
How do I apply for the Senior Software Development Engineer position at WEX?: Use the apply button on this page — it takes you directly to the employer’s application page.