Backend App Developer

Job Description

Position: Backend App Developer (Node.js) No. of Positions: 1 Location: Bengaluru, India Type: Full-time Experience: 3-4 years Salary: 6-8LPA Joining: Immediate Company Description YACHII is a startup focused on redefining virtual hangouts by combining social connection, entertainment, and commerce into a seamless experience. We are shaping the future of shared digital experiences. Role Description This is a full-time on-site role in Bengaluru for a Backend App Developer at YACHII. The developer will be responsible for software development, programming, working with databases, implementing Cascading Style Sheets (CSS), and integration tasks. Key Responsibilities Backend (Node.js) ? Design and develop scalable RESTful APIs using Node.js and Express.js. ? Work with PostgreSQL (structured data) and Firebase Firestore (real-time sync). ? Implement authentication/authorization (Firebase Auth, OAuth 2.0). ? Enable real-time communication using Socket.io (chat, notifications). ? Optimize backend performance with caching (Redis) and CDN (Cloudflare). ? Write serverless functions (Firebase Cloud Functions, AWS Lambda). DevOps & Infrastructure ? Deploy and manage cloud services (AWS Amplify, Firebase Hosting). ? Set up CI/CD pipelines (GitHub Actions, Fastlane, Codemagic). ? Monitor performance and errors (Sentry, Firebase Crashlytics). ? Ensure scalability with load balancing (Nginx, AWS ELB). Required Skills & Qualifications 3-4 years of full-stack development experience (Flutter + Node.js). Strong proficiency in Dart & JavaScript/TypeScript. Backend: Node.js, Express.js, PostgreSQL, Firebase, API design. Experience with authentication (OAuth, JWT, Firebase Auth). Knowledge of WebSockets (Socket.io) and real-time databases. Experience with cloud platforms (AWS, Firebase) and DevOps tools. Understanding of microservices architecture is a plus Experience in a payment gateway integration Experience building and optimizing multiplayer/shared real-time engines or platforms. Strong knowledge of reseller APIs, including integration, scaling, and related tech stacks.