Lead Software Developer - React.Js

We are seeking a Lead Software Engineer to lead development of a modern, cloud-based customer-facing payments platform. This is a hands-on leadership role focused on React/Next.js frontends, Node.js backends, and secure, scalable payment processing in a multi-tenant SaaS environment, * Lead architecture and development of web applications using React and Next.js

• Design and build Node.js (TypeScript) APIs supporting payments and configuration-driven behavior
• Own payment processing workflows including partial payments, refunds, invoice allocation, and error handling
• Integrate with third-party payment providers using secure, tokenized (PCI-compliant) patterns
• Build scalable solutions in AWS or Azure, with strong focus on reliability and performance
• Mentor engineers and set standards for code quality, testing, and production readiness
• Partner with Product, QA, and Operations to deliver reliable customer and admin experiences

Do you have experience in TypeScript?, * 8+ years of software development experience, including senior or lead responsibilities

• Strong expertise in React and Next.js
• Strong backend experience with Node.js and TypeScript
• Hands-on experience with payment processing or financial systems
• Experience building cloud-based, production systems, preferably GCP.
• Strong understanding of security, scalability, and operational support

Preferred Qualifications:

• Experience with multi-tenant SaaS platforms
• Redis or caching strategies
• SQL and data-level troubleshooting
• Containerization (Docker) and web servers (Nginx)

Cadex Solutions Corporation is an international holding company formed by Trivest Partners LP to build the premier provider of commercial order-to-cash management solutions. With a history spanning nearly 100 years, Cadex is uniquely positioned with in-depth experience that builds relationships alongside results. Our team of industry experts brings innovation and data insight, improves your processes with hands-on help, and provides custom solutions based on specific needs. Cadex has approximately 800 employees serving over 1,000 clients across all industries from locations including the United States, Colombia, Brazil, Romania, Italy, India, Singapore, and South Africa. Since 2019, Cadex has been putting together a strong portfolio of ARM companies, including * A.G. Adjustments, formed in 1974 and headquartered in Melville, NY * D&S Global Solutions, formed in 1997 and fully remote * ABC-Amega, formed in 1929 and headquartered in Buffalo, NY * TranSubro, formed in 2012 and headquartered in Oceanside, NY * DAL, formed in 1974 and headquartered in Clifton Heights, PA * Insurance Recovery Group, founded in 1994 and headquartered in Marlbourgh, MA. * Receivables Control Corporation, founded in 1970 and headquartered in Maple Grove, MN.