Node Js Developer

About Company:

Big Oh Notation Pvt. Ltd. are an ISO 27001 & CMMI Level 3 certified IT product and services company specializing in AI-led digital transformation and enterprise software engineering. We are the technology partner for AI-driven products, including Digilawyer, Costimizer.ai, and Botshot.ai, delivering scalable solutions across intelligent automation and applied AI systems.

bigohtech.com

Job Title - Node.JS Developer

Job Responsibilities :

• Design, build, and maintain high-performance, reusable, and reliable Node.js applications.
• Develop RESTful APIs and microservices aligned with business use cases.
• Ensure optimal performance, quality, scalability, and responsiveness of applications.
• Design database schemas and develop SQL / NoSQL database objects to support business processes.
• Collaborate with business and technology teams to define application designs for data ingestion, migration, standardization, and analytics.
• Design, develop, and integrate applications with Kafka topics.
• Build applications using Express.js and NestJS frameworks.
• Develop reusable Node.js modules using RDBMS (PostgreSQL / MySQL) and NoSQL databases (MongoDB / Cassandra).

Required Skills:

• Strong knowledge of Data Structures and Algorithms.
• Hands-on experience with Node.js, JavaScript, ES6+, and OOP / SOLID principles.
• Good understanding of design patterns and their practical usage.
• Experience with relational databases (MySQL, PostgreSQL, Oracle, SQL Server).
• Working knowledge of NoSQL databases (MongoDB, Redis, Cassandra, etc.).
• Experience working with cloud platforms such as AWS or Azure.
• Exposure to Test-Driven Development (TDD) or automated testing practices is a plus.
• Bonus: Understanding of security concepts and secure coding practices.

Eligibility:

B.Tech/B.S or M.Tech/M.S in Computer Science, or equivalent work experience

At least 2 years of extensive working experience in designing restful API's using Node.Js.