Senior Software Developer

Corpay One, Inc.; Greater London; Hybrid; GBP 90,000 - 120,000; Full time

Benefits offered by this job

Life Insurance

Pension 5%

Private healthcare

25 days holiday

LinkedIn Learning

Gratitudes discounts

Job summary

Corpay is seeking a Senior Software Developer in London to help evolve the Cross-Border platform that powers international payments and FX capabilities. This hands-on role involves building scalable software, collaborating with product owners, QA, and other engineers to deliver robust financial solutions.

You will design, develop, test, and maintain front-end and back-end components, follow Agile practices, and focus on performance, security, and maintainability within a fintech environment.

Qualifications

• 8+ years of professional software development experience.
• Strong experience with C# and .NET across web and/or desktop applications.
• Experience with SQL Server and API development.
• Experience working in Agile software development teams.

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 technical work into actionable tasks to meet project deadlines and business objectives.
• Design, develop, and maintain scalable front-end and back-end applications.
• Write clean, efficient, and maintainable code by following Agile development practices, unit testing standards, continuous integration, and clean coding principles.
• Participate in code reviews to maintain high-quality software standards.
• Take ownership of complex technical challenges from discovery through delivery while balancing maintainability, performance, security, and business value.
• Developing and maintaining application features with a focus on scalability, reliability, and performance.
• Collaborating closely with Product Owners, Scrum Masters, QA Engineers, and other Software Developers throughout the software development lifecycle.
• Troubleshooting, debugging, and optimizing existing systems to ensure stability and performance.

Skills

C#

.NET

JavaScript/TypeScript

SQL Server

APIs

Unit testing

Agile

Distributed systems

Education

Bachelor's degree in Computer Science or related field

Job description

# Corpay Careers## Senior Software DeveloperAnsøg: London Moorgate - Cross Border: Full time: Slået op i går: R10095# # **Your role**# # **What you'll be doing**# Senior Software Developer ## **What We Need**Corpay is currently looking to hire a Senior Software Developer within our Cross-Border division. This position falls under our Corporate Payments line of business and is located in London.In this role, you will 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 report directly to the Engineering Manager and regularly collaborate with Product Owners, Scrum Masters, QA Engineers, business stakeholders, and other Software Developers to design, build, test, and maintain applications that support real-world payment and foreign exchange workflows. ## **How We Work**As a Senior Software Developer, Corpay will set you up for success by providing:* Assigned workspace in our London office* Company-issued equipment* Formal, hands-on trainingс ## **Role Responsibilities**The responsibilities of the role will include:* Collaborating with business stakeholders to gather requirements and address technical questions.* Providing technical guidance to other developers, contributing to architectural decisions, and helping improve engineering practices across the team.* Breaking down technical work into actionable tasks to meet project deadlines and business objectives.* Designing, developing, and maintaining scalable front-end and back-end applications.* Writing clean, efficient, and maintainable code by following Agile development practices, unit testing standards, continuous integration, and clean coding principles.* Participating in code reviews to maintain high-quality software standards.* Taking ownership of complex technical challenges from discovery through delivery while balancing maintainability, performance, security, and business value.* Developing and maintaining application features with a focus on scalability, reliability, and performance.* Collaborating closely with Product Owners, Scrum Masters, QA Engineers, and other Software Developers throughout the software development lifecycle.* Troubleshooting, debugging, and optimizing existing systems to ensure stability and performance. ## **Qualifications & Skills*** Bachelor’s degree in Computer Science, Software Engineering, or equivalent professional experience.* 8+ years of professional software development experience.* Strong experience with C# and .NET development across web and/or desktop applications.* Experience with JavaScript or TypeScript.* Strong knowledge of SQL Server, relational database design, stored procedures, and T-SQL.* Experience developing HTTP APIs and service-oriented or distributed systems.* Experience working with message queues, service buses, asynchronous processing, or event-driven architectures.* Experience writing unit tests and applying modern software engineering practices.* Experience working within Agile software development teams. ## **Preferred Qualifications*** Experience within payments, foreign exchange (FX), fintech, banking, or other regulated financial services industries.* Experience modernising legacy applications built with VB.NET, VB6, or older .NET Framework technologies.* Experience developing front-end applications using React, Blazor, or similar frameworks.* Experience integrating third-party platforms and external vendor systems.* Experience with performance tuning, monitoring, observability, and production support.* Strong product mindset with the ability to translate business requirements into technical solutions.* Commitment to delivering high-quality, reliable, and scalable software.* Excellent collaboration and communication skills.* Adaptability, including the ability to work through ambiguity, define scope, and estimate delivery timelines.* Passion for continuous learning and adopting new technologies. ## **Benefits & Perks*** 4x life insurance* Pension scheme – 5% employer contribution* Private healthcare* 25 days’ holiday, plus the option to buy or sell holiday* Access to LinkedIn Learning* Free rewards and discounts via Gratitudes#LI-Hybrid#LI-KM1# # **About Corpay****About Corpay**Corpay is a global technology organization that is leading the future of commercial payments with a culture of innovation that drives us to constantly create new and better ways to pay. Our specialized payment solutions help businesses control, simplify, and secure payment for fuel, general payables, toll and lodging expenses. Millions of people in over 80 countries around the world use our solutions for their payments.At Corpay, we are committed to fostering an inclusive and respectful workplace where employees are valued for their diverse perspectives, experiences, and contributions. We believe that diversity, equity, and inclusion strengthen our teams, drive innovation, and support our continued success globally.As part of our hiring process, offers of employment may be subject to the successful completion of pre-employment screening conducted by an authorized third-party provider, in accordance with applicable laws and Corpay policies. Screening requirements may include employment references, identity verification, criminal record checks, financial or sanctions screening, and other background checks relevant to the role and permitted by local law.