Role Overview

As a Backend Developer, you will be responsible for designing, developing, and maintaining scalable backend services powering our mobile and web applications. You will work on APIs, databases, cloud infrastructure, authentication systems, real-time services, and integrations required for a modern e-learning platform.

You should be comfortable building production-grade systems with Node.js, PostgreSQL, AWS, and modern backend engineering practices.

Responsibilities

Design and develop scalable backend services using Node.js
Build and maintain REST APIs and real-time communication services
Design optimized PostgreSQL database schemas and queries
Implement authentication, authorization, and role-based access control
Build secure and scalable APIs for mobile and web applications
Work on cloud deployment, monitoring, and infrastructure management
Optimize application performance, database queries, and server reliability
Integrate third-party services such as payment gateways, notifications, analytics, and video platforms
Implement caching, queues, and background job processing
Collaborate with frontend/mobile developers and product teams
Write clean, maintainable, and well-documented code
Participate in system architecture and technical decision-making
Troubleshoot production issues and improve system observability

Requirements

2+ years of backend development experience
Strong experience with Node.js and TypeScript/JavaScript
Experience with Express.js, NestJS, or similar backend frameworks
Strong understanding of PostgreSQL and relational database design
Experience writing optimized SQL queries and handling migrations
Familiarity with AWS services such as:
- EC2
- RDS
- S3
- CloudFront
- Lambda
- ECS / ECR
- IAM
Experience with REST APIs and WebSocket-based communication
Knowledge of authentication systems (JWT, OAuth, session management)
Understanding of Docker and containerized deployments
Experience with Git and collaborative development workflows
Understanding of backend security best practices
Familiarity with logging, monitoring, and debugging production systems

Good to Have

Experience in EdTech, SaaS, or service-based platforms
Experience with real-time systems like Socket.io or WebRTC signaling
Familiarity with Redis for caching and queues
Experience with message brokers and job queues (BullMQ, RabbitMQ, SQS, Kafka)
Experience with CI/CD pipelines and DevOps practices
Knowledge of microservices architecture
Familiarity with GraphQL
Experience integrating video streaming or live-class infrastructure
Knowledge of scalable file/media handling systems
Familiarity with Elasticsearch or advanced search systems
Basic frontend/mobile understanding for cross-team collaboration
Startup experience or working in fast-paced environments

Tech Stack (Current / Planned)

Node.js
TypeScript
NestJS / Express.js
PostgreSQL
Redis
AWS
Docker
Firebase
WebSockets / Socket.io
REST APIs
CI/CD Pipelines

What We’re Looking For

Strong problem-solving and system design mindset
Ownership mentality with the ability to work independently
Interest in building scalable systems from the ground up
Ability to balance speed and engineering quality in a startup environment
Good communication and collaboration skills
Passion for building impactful technology products