Senior Software Developer
- United Kingdom
- Permanent
- Full-time
Corpay Cross‑Border is seeking a Full Stack Senior Software Developer to join our agile development team in London. In this role, you will advance our core international payment processing systems—driving innovation in forex and e‑commerce software that powers global payments. You’ll report to the Software Development Manager and collaborate closely with Product Owners, QA Engineers, and Scrum Masters.How We Work
As a Full Stack Senior Software Developer, you will thrive in a hybrid environment, splitting your time between our London office and remote work. Corpay Cross‑Border will set you up for success by providing:Assigned desk in our London officeCompany‑issued development hardware and software licensesFormal, hands‑on onboarding and ongoing trainingRole ResponsibilitiesCollaborate with business stakeholders to gather requirements and clarify technical questionsDecompose features into actionable tasks, estimate effort, and deliver on sprint commitmentsDesign, develop, and maintain scalable front‑end and back‑end solutions using .NET, C#, JavaScript, and TypeScriptWrite clean, efficient, and maintainable code following Agile methodologies, unit testing, and CI/CD best practicesParticipate in peer code reviews to ensure code quality and shared ownershipBuild and consume HTTP‑based Web APIs and integrate third‑party servicesTroubleshoot, debug, and optimize existing systems for reliability and performanceContribute to architectural discussions around distributed applications, service buses, multi‑threading, and parallel processingMentor junior developers and share knowledge of legacy systems (VB.NET, VB6) as neededQualifications & SkillsExperience: 10+ years of professional software engineering in enterprise environmentsEducation: B.S. in Computer Science, Engineering, or equivalentTechnical Expertise:.NET design and development for desktop and web applicationsProficiency in C#, JavaScript, and TypeScriptDeep understanding of MS SQL Server, advanced T‑SQL, and relational database designUnit testing frameworks (e.g., xUnit, Moq) and test‑driven developmentBuilding and consuming RESTful APIsFamiliarity with distributed systems, service buses, and parallel processingNice to have: experience with VB.NET, VB6, and external vendor integrationsAttributes:Product‑focused mindset with the ability to translate business needs into technical solutionsCommitment to delivering high‑quality, reliable, and scalable softwareStrong collaboration and communication skills in cross‑functional teamsAdaptability to scope requirements and estimate timelines in ambiguous contextsContinuous learner who stays current with emerging technologiesBenefits & PerksHoliday entitlement: 25 days per annum + 8 bank holidaysAdditional leave: Option to buy or sell 5 days annual leave once a year during the annual benefits enrolment windowPension: Minimum 3% employee contribution → up to 5% employer match from CorpayPrivate Medical Insurance: Vitality plan with zero excess (we cover the £250 excess charge)Benefits portal (Gratitudes): Flexible discounts and savings (e.g., 4–5% at major supermarkets)LinkedIn Learning: Free, unlimited access to courses and learning pathsOur Company & Purpose
Corpay is a global technology organization leading the future of commercial payments. Backed by FLEETCOR Technologies, Inc. (NYSE: FLT), a Fortune 1000 & S&P 500 firm, we power smarter ways for businesses to pay fuel, general payables, tolls, lodging, and more. Millions of users in over 80 countries rely on our solutions for fast, secure, and compliant payments.We embrace five core values—integrity, collaboration, innovation, execution, and people—to foster career development, wellness, and community engagement. Corpay is committed to diversity, equity, and inclusion, welcoming individuals of all backgrounds, cultures, and perspectives.All employment offers are contingent on satisfactory pre‑employment screening (identity, reference, criminal, financial, and sanctions checks).Equal Opportunity Employer
Corpay provides equal employment opportunities to all applicants without regard to race, color, gender, religion, national origin, age, disability, veteran status, or any other protected characteristic under federal, local, or state law.Notice to Agency and Search Firm Representatives: Corpay does not accept unsolicited resumes from agencies without a signed search agreement.About CorpayCorpay is a global technology organisation 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.All offers of employment made by Corpay (and its subsidiary companies) are subject to the successful completion of satisfactory pre-employment vetting by an independent supplier (Experian). This is in accordance with Corpay's Resourcing Policy and include employment referencing, identity, adverse financial, criminal and sanctions list checks. We do this to meet our legal and regulatory requirements.Corpay is dedicated to encouraging a supportive and inclusive culture among our employees. It is within our best interest to promote diversity and eliminate discrimination in the workplace. We seek to ensure that all employees and job applicants are given equal opportunities.Notice to Agency and Search Firm Representatives: Corpay will not accept unsolicited CV's from agencies and/or search firms for this job posting. Resumes submitted to any Corpay employee by a third party agency and/or search firm without a valid written & signed search agreement, will become the sole property of Corpay. No fee will be paid if a candidate is hired for this position as a result of an unsolicited agency or search firm referral. Thank you.