Senior Backend Engineer - Subscriptions & Billing Platform

JobNimbus is seeking an experienced backend engineer to design, build, and maintain subscription, billing, and account-management services. You will integrate Chargebee, implement RBAC, and support multi-tenant architectures using C# and Node.js. Expect REST/GraphQL APIs, strong security, and scalable cloud infrastructure in a fast-paced SaaS setting. Ideal candidates will have 5+ years in backend development, hands-on experience with Chargebee or similar platforms, and a solid background in