Backend App Developer

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

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.