Navjot Singh Dhawan

Navjot Singh Dhawan

Senior Software Engineer - I
I am a Backend Developer with an unwavering passion for crafting exceptional products. My expertise lies in architecting efficient and scalable solutions, with a strong focus on building resilient APIs and fine-tuning database performance. Proficient in a diverse array of programming languages and frameworks, I am driven by a commitment to delivering top-tier code quality and thrive in collaborative, cross-functional teams, consistently propelling projects toward resounding success.
Javascript
Typescript
NodeJS
ExpressJS
MySQL
PostgreSQL
MongoDB
AWS
Docker
The Most Amazing...

....thing I have done is, lead the architectural design of a groundbreaking backend system, driving remarkable improvements in operational efficiency and project success. Orchestrated key innovations that left a lasting impact on the project's trajectory, delivering exceptional results.

Interest & Expertise
Interest & Expertise
  • Backend Development
  • API Development
  • Data Management
  • System Architecture
  • Exploring Emerging Technologies
  • Cybersecurity
  • Continuous Learning in Software Development
  • Cloud Computing and DevOps
Achievements
Achievements
  • Got appreciations by managers and team members for consistently contributing as a valuable member of cross-functional projects, demonstrating strong teamwork, and delivering results in alignment with project objectives
Skills
Databases
MySQL, MongoDB
Backend Framework & Library
Node.js, Express.js, NestJS
Frontend Framework & Library
React.js
Languages
JavaScript, Java, TypeScript
Version Control
Git, GitLab, GitHub
Editors
Sublime Text, IntelliJ, Visual Studio Code
Deployment
Heroku, Netlify, Vercel
Query Language
SQL
Libraries/APIs
PostgreSQL
Shell Script
Mongosh
AWS
AWS RDS
Knowledge on Aws cloud solution architec
cloudwatch
Cloud Services
AWS EC2 -instance, AWS S3 Bucket, AWS ECS, AWS ECR, Lambdas
Projects
Fintech Application
Designed and developed a feature-rich fintech application offering a comprehensive suite of payment and financial services. Led database schema design and implemented query optimization strategies, resulting in a significant reduction in query execution times and improved system performance.
Undertook a comprehensive codebase redesign and refactoring initiative, enhancing code maintainability, scalability, and overall software quality, which received positive feedback from the development team. Assumed the pivotal role of managing production support, swiftly addressing critical issues and minimizing downtime to ensure seamless and reliable service delivery.
Tech Stack: ReactJS, NodeJS, ExpressJS, PostgreSQL, AWS, Web-Sockets, Firebase
Music App
Created an all-inclusive music education app catering to both students and teachers, enabling seamless assignment management, progress tracking, and an immersive learning experience. Led the end-to-end system and architecture design for the backend of the music education app. Worked on defining the overall structure and components of the system to ensure scalability and flexibility. Designed and implemented the APIs necessary for the app's functionality, enabling seamless communication between the frontend and backend.
Designed a robust and efficient database schema to store app data, accommodating various aspects of music education, such as assignments and student progress tracking.
Tech Stack: ReactJS, NodeJS, ExpressJS, PostgreSQL, Hasura, Graphql, Gluestack
Data Insights Bot
Developed a sophisticated 'Data Insights Bot' that leverages data analytics to generate comprehensive reports, providing actionable suggestions and valuable insights from processed data. Streamlining decision-making and data-driven strategies. Designed and implemented data integration mechanisms to seamlessly collect and ingest data from various sources, ensuring data completeness and accuracy.
Designed and implemented the backend APIs that facilitated communication between the frontend user interface and the analytical engine, enabling users to request specific reports and insights. Set up monitoring and maintenance routines to proactively identify and address issues, ensuring the system's reliability and availability.
Tech Stack: ReactJS, NodeJS, NestJS, MySQL s
Railway Contract Approval System
Developed a comprehensive 'Railway Tender Portal' facilitating the submission, review, and approval of railway tender contracts. Streamlined the intricate process of contract approval, providing a secure and efficient platform for railway authorities and legal approvers. Engineered workflow automation processes that guided contract submissions through various stages of approval, facilitating seamless collaboration among railway authorities and legal approvers. Implemented robust user authentication and authorization mechanisms to ensure secure access and appropriate permissions for different user roles, such as railway officials and legal reviewers.
Designed and developed backend APIs that facilitated seamless communication between the frontend user interface and the backend, enabling users to submit, track, and review tender contracts. Established monitoring and maintenance routines to proactively identify and address issues, ensuring the portal's reliability and availability.
Tech Stack: ReactJS, NodeJS, ExpressJS, PostgreSQL, AWS, Nginx
Computer Hardware Troubleshooting and Assessment System
Developed a user-friendly Computer Hardware Issue Assessment System that empowers users to submit hardware problems for expert evaluation. The system intelligently assesses issues, providing recommendations for either repair or replacement, streamlining computer maintenance decisions. Led the design and implementation of the backend APIs, enabling seamless communication between the user interface and the system's core functionalities.
Designed and maintained a well-structured database schema to store user submissions, hardware issue details, and diagnostic results. Engineered algorithms for intelligent hardware issue assessment, allowing the system to accurately determine whether a hardware problem was repairable or necessitated replacement. Designed and integrated a warranty validation feature that allowed users to validate their warranty status using proof of purchase information.
Implemented validation checks to ensure warranty claims were accurate and aligned with the provided documentation. Worked closely with cross-functional teams to align the project's development with user needs, warranty policies, and overall project objectives.
Tech Stack: ReactJS, NodeJS, ExpressJS, PostgreSQL, AWS, Nginx s