Serverdial Techserv
Website:
serverdial.in
Job details:
Role Summary
We are looking for a Senior Node.js Developer with strong backend development experience to design and build scalable, secure, and high-performance applications. The role involves working on complex business applications involving APIs, financial workflows, third-party integrations, background processing, and transaction-heavy systems.
Experience working on FinTech, BFSI, lending, LOS/LMS, NBFC, or payment applications will be an advantage but is not mandatory.
Key Responsibilities
- Design and develop scalable backend applications using Node.js, TypeScript and NestJS.
- Build secure and well-structured REST APIs and backend services.
- Design database schemas and develop optimized queries using PostgreSQL/MySQL.
- Integrate third-party services through APIs and webhooks.
- Implement authentication, authorization, RBAC, OAuth2/JWT and other application security controls.
- Build asynchronous workflows using queues, background jobs and event-driven processing.
- Implement reliable webhook processing, retries, idempotency and failure handling.
- Work on transaction-heavy business workflows requiring strong data consistency and auditability.
- Optimize application and database performance for scalability.
- Write clean, maintainable, testable and well-documented code.
- Troubleshoot and resolve production issues.
FinTech Experience – Preferred
Experience with any of the following would be an advantage:
- Loan Origination Systems (LOS) / Loan Management Systems (LMS)
- Digital lending / NBFC applications
- Credit bureau integrations
- eNACH / UPI AutoPay / mandate integrations
- Loan disbursement and repayment processing
- Reconciliation and settlement processes
- Financial ledgers and transaction processing
- Audit trails and compliance-driven applications
Required Skills
- 6+ years of software development experience, with strong hands-on Node.js experience.
- Strong proficiency in Node.js, TypeScript and JavaScript.
- Experience with NestJS.
- Experience designing and developing REST APIs.
- Strong understanding of database transactions, indexing and query optimization.
- Experience with Redis, BullMQ, RabbitMQ or similar queue/messaging technologies.
- Experience with authentication, authorization and API security.
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