Senior Full Stack Software Developer

About the company Cross-Border: the company 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 the company, 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.

Role Overview: We are looking for a Senior Full Stack Software Developer to help evolve the platforms that power the company 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 TypeScript.
• 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 VB.NET, 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 LinkedIn Learning
• Free rewards and discounts via Gratitudes

Equal Opportunity Employer: the company is an Equal Opportunity Employer. the company provides equal employment opportunities to all employees and applicants without regard to race, color, gender (including pregnancy), religion, national origin, ancestry, disability, age, sexual orientation, gender identity or expression, marital status, language, ancestry, genetic information, veteran and/or military status or any other group status protected by federal or local law. If you require reasonable accommodation for the application and/or interview process, please notify a representative of the Human Resources Department.