Backend Developer - Node.js/MongoDB (3-6 yrs)

BACKEND DEVELOPER JOB DESCRIPTION

Job Title : Backend Developer - Node.js & MongoDB

Location : Hyderabad

Employment Type : Full-Time

Experience Required : 3-5 Years

About Us :

Inncircles - THE INNGINEERING COMPANY :

We are a forward-thinking construction-tech innovator building CRM solutions that manage crores of records with precision and speed. Our mission is to revolutionize the construction domain through scalable engineering and robust backend systems. Join us to solve complex challenges and shape the future of data-driven construction tech!

Job Description :

We are hiring a Backend Developer with 3-5 years of hands-on experience in Node.js and MongoDB to design, optimize, and maintain high-performance backend systems. You will work on large-scale data processing, external integrations, and scalable architectures while ensuring best coding practices and efficient database design.

Key Responsibilities :

Backend Development & Optimization :

1. Develop and maintain RESTful/GraphQL APIs using Node.js, adhering to best coding practices and reusable code structures.

2. Write optimized MongoDB queries for collections with crores of records, ensuring efficient data retrieval and storage.

3. Design MongoDB collections, implement indexing strategies, and optimize replica sets for performance and reliability.

4. Scalability & Performance

5. Implement horizontal and vertical scaling strategies to handle growing data and traffic.

6. Optimize database performance through indexing, aggregation pipelines, and query tuning.

7. External Integrations & Debugging

8. Integrate third-party APIs (payment gateways, analytics tools, etc.) and SDKs seamlessly into backend systems.

9. Debug and resolve complex issues in production environments with a systematic, data-driven approach.

AWS & Cloud Services :

- Work with AWS services like Lambda (serverless), SQS (message queuing), S3 (storage), and EC2 (compute) to build resilient and scalable solutions.

Collaboration & Best Practices :

- Collaborate with frontend teams to ensure smooth API integrations and data flow.

- Document code, write unit/integration tests, and enforce coding standards.

Mandatory Requirements :

- 3-5 years of professional experience in Node.js and MongoDB.

Expertise in :

1. MongoDB : Collection design, indexing, aggregation pipelines, replica sets, and sharding.

2. Node.js : Asynchronous programming, middleware, and API development (Express.js/Fastify).

3. Query Optimization : Writing efficient queries for large datasets (crores of records).

4. Strong debugging skills and experience in resolving production issues.

5. Hands-on experience with external integrations (APIs, SDKs, webhooks).

6. Knowledge of horizontal/vertical scaling techniques and performance tuning.

7. Familiarity with AWS services (Lambda, SQS, S3, EC2).

Preferred Skills :

8. Experience with microservices architecture.

9. Knowledge of CI/CD pipelines (GitLab CI, Jenkins).

10. Understanding of Docker, Kubernetes, or serverless frameworks.

11. Exposure to monitoring tools like Prometheus, Grafana, or New Relic.

Why Join Inncircles ?

- Solve large-scale data challenges in the construction domain.

- Work on cutting-edge cloud-native backend systems.

- Competitive salary, flexible work culture, and growth opportunities.