Senior Full Stack Software Developer

Location: Greater London

Senior Full Stack Software Developer page is loaded## Senior Full Stack Software Developer Apply locations:
London Wood Street - Cross Border time type:
Full time posted on:
Posted Todayjob requisition :
R08422# #
** Your role**# #
** What you'll be doing
**** About Corpay Cross-Boarder:
** Corpay Cross-Border helps businesses move money globally, manage currency risk, and streamline international payments. Our technology supports customers operating across markets, currencies, and regulatory environments, where reliability, security, and scale matter every day.

As part of Corpay, Inc. (NYSE: CPAY), a global corporate payments company, we combine the pace of a product-led technology team with the reach and stability of a global financial services business. To learn more, visit
** Role Overview:
** We are looking for a Senior Full Stack Software Developer to help evolve the platforms that power Corpay Cross-Border’s international payments and foreign exchange capabilities.

This is a hands-on engineering role suited to someone who enjoys solving complex business-critical problems, improving established systems, and delivering secure, scalable software in a financial technology environment. You will work closely with product, QA, business stakeholders, and other engineers to design, build, test, and maintain applications that support real-world payment and FX workflows.
** Role Responsibilities
*** Collaborate with business stakeholders to gather requirements and address technical questions.
* Provide technical guidance to other developers, contribute to architectural decisions, and help improve engineering practices across the team.
* Break down tasks into actionable items to meet deadlines and achieve business goals.
* Design, develop, and maintain scalable front-end and back-end solutions.
* Write clean, efficient, and maintainable code following best practices (e.g., Agile methodologies, unit testing, continuous integration, and clean code principles).
* Participate in code reviews to ensure high-quality deliverables.
* Take ownership of complex technical problems from discovery through delivery, balancing maintainability, performance, security, and business value.
* Develop and maintain system features with a focus on performance and scalability.
* Collaborate effectively with Product Owners, Scrum Masters, QA Engineers, and other Developers.
* Troubleshoot, debug, and optimize existing systems to maintain reliability and performance.
** Essential Abilities and Attributes**
* ** Product-focused mindset:
** Ability to understand core business problems and translate them into technical solutions.
* ** Commitment to quality:
** Driven to deliver high-quality, reliable, and scalable solutions.
* ** Team player:
** Work collaboratively in a close-knit team environment and independently when required.
* ** Adaptability:
** Ability to reduce ambiguity, scope requirements effectively, and estimate project timelines.
* ** Continuous learning:
** Stay current with emerging technologies and apply them to enhance the system.
** Qualifications and Experience**
* *
* Education:

** B.S. in Computer Science, Engineering, or equivalent experience.
* *
* Experience:

** 8+ years of professional software engineering experience.
*
* Required Experience:

*** C# and .NET development across web and/or desktop applications.
* JavaScript or Type Script.
* SQL Server, relational database design, stored procedures, and T-SQL.
* HTTP APIs and service-oriented or distributed systems.
* Message queues, service buses, asynchronous processing, or event-driven systems.
* Unit testing and modern engineering practices.
* Experience working in Agile delivery teams.
** Desirable

Experience:

*** Payments, FX, fintech, banking, or regulated financial services.
* Legacy modernization involving , VB6, or older .NET Framework systems.
* Front-end development using React, Blazor, or similar frameworks.
* Third-party integrations and vendor platforms.
* Performance tuning, observability, monitoring, and production support.
** Benefits & Perks*
* • 4 X Life insurance  
• Pension scheme – 5% employer contribution  
• Private Healthcare  
• 25 days Holiday (plus Holiday Buy/Sell)  
• Access to…