Back End Developer

Key Responsibilities

Design, develop, and maintain

backend services using

Node.js (TypeScript)

and

MongoDB .

Implement

microservices

for scalability, modularity, and maintainability.

Apply

design patterns

— especially

Singleton ,

Factory , and

Repository

— to improve code reusability and consistency.

Optimize backend code for

performance, scalability, and reliability .

Write and maintain

RESTful APIs

and integrate with third-party services.

Design and manage

MongoDB schemas , indexes, and queries for high performance.

Implement

API security ,

authentication (JWT / OAuth) , and

data validation .

Work closely with DevOps teams for

CI / CD ,

containerization (Docker) , and

cloud deployment

(AWS / Azure).

Ensure code quality with

unit and integration tests

(Jest, Mocha, Supertest).

Participate in

code reviews ,

architecture discussions , and

technical documentation .

Required Technical Skills

Strong proficiency in

Node.js

with

TypeScript

(4+ years hands-on experience).

Deep understanding of

MongoDB , including schema design, aggregation, and performance tuning.

Proven experience building and deploying

microservices-based architectures .

Solid understanding and implementation experience with

Singleton

and other key

design patterns .

Strong grasp of

asynchronous programming ,

event-driven systems , and

API optimization .

Hands-on experience with

Docker ,

Git , and

CI / CD pipelines .

Familiarity with

RESTful APIs ,

Express.js

or

NestJS frameworks .

Knowledge of

error handling ,

logging , and

monitoring tools

(Winston, PM2, ELK, etc.).

Education

Bachelor’s or Master’s degree in Computer Science, Information Technology, or related field.

Immediate Joiners are preferred.