Role : Full Stack Developer (5+ years) API & SDK Platforms
Location : Noida
Experience : 5+ years | Domain : Fintech / Lending / Wealth Platforms
What Youll Do :
- Build, enhance, and maintain end-to-end lending workflows including eligibility, loan sanction, portfolio fetch, KYC, application, and repaymentusing our proprietary Node.js and React SDKs.
- Architect and optimize RESTful APIs, ensuring high scalability and robust security (OAuth2 / Token Auth).
- Lead integration of front-end SDKs for React (JS / TS), Vue.js, and mobile (Flutter), including design of UI components and event-driven user journeys.
- Drive core modules : user onboarding, portfolio aggregation, mutual fund data connectors, offer management, disbursement, and repayment (API & SDK endpoints).
- Implement real-time error handling, event listeners, and status tracking across backend and frontend layers.
- Collaborate with product, design, and infra teams to build developer-friendly UIs, dashboards, and partner-facing documentation.
- Ensure highest security, data privacy, and compliance best practices across authentication, session management, and financial data APIs.
Must-Have Skills :
5+ years building scalable web apps and APIs with strong knowledge of Node.js, Express (back-end) and React (front-end).Deep expertise integrating and packaging JavaScript / TypeScript SDKs, RESTful APIs, JWT, OAuth2 flows, and secure credentials.Experience with modular, event-driven architectures and handling state management in React (hooks / context).Exposure to mutual fund / financial services APIs, especially for loan origination, portfolio aggregation or credit verification.Strong command of modern CI / CD, containerization (Docker), and cloud services (AWS, GCP or Azure).Experience with test-driven development (Jest / Mocha), debugging, and peer code reviews.Familiar with cross-platform SDKs (Flutter), npm / yarn packaging, and modern front-end tooling.Sound grasp of SQL / noSQL DBs (Postgres / Mongo), message queues, and caching strategies.Good-to-Have :
Previous fintech / wealthtech platform or digital lending experience.Integration with mutual fund RTA / aggregator APIs (e.g., MF Central, Karvy / CAMS).Mobile-first PWA or hybrid Flutter app architecture.Kubernetes, Terraform, or cloud infrastructure automation.Developer documentation and open API / SDK publication.Culture :
Startup mindset : Problem-driven, proactive, and always shipping.Strong team collaboration, mentoring and documentation orientation.Intense focus on customer and partner developer experience.(ref : hirist.tech)