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Backend Developer
ChatSpark
Actively HiringFull-time
Location
Remote, IN
Experience
2+ years
Role
Backend Developer
Salary
Competitive
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Job Description
Role Overview
ChatSpark is an audio calling and social platform that enables users to connect through 1:1 audio conversations. We are looking for an experienced Backend Developer who can build and maintain scalable backend systems, APIs, payment integrations, real-time communication, and third-party integrations for our platform.
Responsibilities
- Develop and maintain backend services using Node.js and JavaScript.
- Build and optimize REST APIs and WebSocket-based real-time features.
- Work with MongoDB for database design, queries, optimization, and data management.
- Integrate and maintain payment gateways such as Cashfree and Razorpay.
- Work with Agora for real-time audio calling and communication.
- Develop and manage wallet, payment, transaction, and user-related systems.
- Handle third-party API integrations, webhooks, and external services.
- Implement real-time events and notifications using WebSockets.
- Debug production issues and improve backend performance, scalability, and reliability.
- Ensure secure authentication, authorization, data handling, and API communication.
- Collaborate with frontend/mobile developers for smooth API and feature integration.
- Work with Git/GitHub, Postman, and server environments.
Requirements
- 2+ years of hands-on backend development experience.
- Strong knowledge of Node.js & JavaScript.
- Strong experience with MongoDB.
- Hands-on experience with WebSockets and real-time applications.
- Experience integrating payment gateways such as Cashfree, Razorpay, or similar.
- Experience with third-party API integrations.
- Experience with Agora or similar real-time communication APIs.
- Good understanding of REST APIs, webhooks, authentication, and API security.
- Familiarity with Git/GitHub and Postman.
- Understanding of server deployment, debugging, and performance optimization.
- Knowledge of Boolean logic/queries and database optimization.
Nice to Have
- Experience with Redis, Docker, AWS, or CI/CD.
Skills
- Node.js
- JavaScript
- MongoDB
- WebSockets
- Agora
Required Skills
Node.jsJavaScriptMongoDBWebSocketsAgora
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