BackEnd Developer

15 hours ago

New Delhi, India ManDin Studios Full time

IMMEDIATE JOINERS ONLY: Backend Developer - Fintech FocusWe are looking for an Immediate Joiner who thrives on building scalable, secure, and high-performance backend systems.This is a role for candidates who can start immediately (within 1-2 weeks).About the Role We are looking for a skilled Backend Developer who can build and maintain scalable, secure, and high-performance API systems for multiple mobile applications. The ideal candidate is hands-on with Node.js, API design, and cloud deployment, and has experience working with payment gateways and third-party API integrations.You will collaborate closely with the frontend team to design efficient, reliable, and well-documented backend systems that power modern mobile products.Key Responsibilities:Design, build, and maintain RESTful APIs and backend services. Integrate and manage payment gateways (Razorpay, Cashfree, etc.) and other third-party APIs. Implement secure authentication systems (JWT / OAuth2) and user management. Develop and optimize database schemas for scalability and reliability. Handle real-time operations such as notifications and data updates. Manage webhooks, error handling, and logging systems for all backend flows. Collaborate with frontend developers to ensure seamless API communication. Deploy, monitor, and maintain backend systems on AWS / Firebase . Write clean, reusable, and well-documented code following best practices.Technical Skills Required :Core Backend: Node.js, Express.js / NestJS Database: PostgreSQL / MongoDB / Firebase API Design: RESTful APIs, JSON, versioning, error handling Payments: Razorpay, Cashfree, or similar SDK/API integrations Auth & Security: JWT, OAuth2, bcrypt, HTTPS, CORS, rate limiting Storage: AWS S3 / Firebase Storage Testing & Tools: Postman, Jest / Mocha, Git, GitHub Actions Deployment: AWS EC2 / Firebase Functions Optional: TypeScript, GraphQL, WebSocket, Firebase Admin SDKNice-to-Have Skills:Prior experience with financial, e-commerce, or real-time applications. Familiarity with Flutter-Firebase backend integrations. Knowledge of AI-assisted development tools (Cursor, Copilot, ChatGPT). Experience with serverless or microservice architectures. Basic understanding of CI/CD pipelines or infrastructure as code.Important Application Note: We are prioritizing candidates who are currently serving their notice period or are available to join IMMEDIATELY. Please mention your immediate joining status clearly in your application or cover letter.If you are an Immediate Joiner and ready for a challenging role, apply now#BackendDeveloper #Nodejs #PostgreSQL #ImmediateJoiner #FintechJobs #AWS #ExpressJS #Hiring #TechJobs #Startup

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