NITISH SINGH

Software Engineer

Noida 2+ yrs exp 86 · Excellent

About

Software Engineer with 3 years of experience specializing in backend development using Node.js, Express.js, NestJS, and TypeScript. Experienced in building scalable REST APIs, microservices, authentication systems, database solutions, third-party integrations, and cloud-based applications. Strong knowledge of MySQL, PostgreSQL, MongoDB, AWS, Docker, Redis, Kafka, Stripe, and automated testing.

Skills & Expertise (22)

MySql Advanced

8.0/10

Years Exp

Microservices Intermediate

7.5/10

Years Exp

Postgresql Advanced

7.5/10

Years Exp

NestJS Intermediate

7.0/10

Years Exp

Kafka Intermediate

6.5/10

Years Exp

Jira Stripe Sentry Jest CSRF bcryptjs OAuth2 RBAC JWT AWS Lambda AWS S3 AWS EC2 Sequelize TypeORM Knex.js Redis Axios

Work Experience

Software Engineer

RNF Technologies Pvt. Ltd.

Mar 2025 - Present

Developed scalable backend services using Node.js and Express.js with modular architecture and optimized performance. Designed MySQL databases and managed schema migrations using Knex.js for reliable database evolution. Implemented JWT authentication, bcrypt-based password security, RBAC, REST APIs, and centralized error handling. Integrated Stripe for one-time payments and recurring billing, and Google APIs for analytics and external service integration. Automated scheduled backend workflows using node-cron and deployed applications using AWS EC2 and S3.

Node.js Developer

Excellence Technologies Pvt. Ltd.

Oct 2023 - Feb 2025

Built and maintained web applications using Node.js, Express.js, NestJS, TypeScript, React, Next.js, MongoDB, MySQL, and PostgreSQL. Developed backend microservices and REST APIs using asynchronous, non-blocking Node.js architecture. Implemented Kafka-based message routing and integrated multiple database services through APIs. Used AWS EC2, S3, and Lambda for application deployment and Docker for microservice containerization.