SANJAY S
Chennai,TN
Summary
Full Stack Developer with Around 4 years of experience in development, enhancement, and technical support. Experience in all phases of SDLC like Requirement Analysis, Implementation and Maintenance and good experience with Agile and Waterfall. Proficient in a wide range of front-end technologies, including HTML, CSS, JavaScript, and modern front-end libraries/frameworks such as React & Angular. Deep understanding of generative model architectures, loss functions, and evaluation metrics and GenAI using Python. Strong design sensibility and an eye for detail, with a focus on delivering responsive and visually appealing web interfaces. Working Experience in building responsive and interactive Single Page Applications (SPAs) using Angular JS. Experience in developing applications using Node & Express JS and Restful Web Services. Adapt at collaborating with cross-functional teams, to bring projects to life. Proficient in using NOSQL libraries and databases like MongoDB & Cassandra and relational databases like SQL Server, PostgreSQL and MySQL databases. Experienced in using testing tools such as Mockito, Jasmine, Mocha and JUnit with knowledge of TDD, along with design patterns.
Overview
4
4
years of professional experience
1
1
Certification
Work History
THAPOVAN INFO SYSTEMS PVT LTD
Chennai, India
03.2025 - Current
- Assisted in developing responsive web applications using React and Vue.js, ensuring smooth user experience across desktop and mobile devices.
- Built and maintained backend APIs with NestJS and Express.js, enabling secure data exchange between front-end and databases.
- Worked with PostgreSQL and MongoDB to design schemas, perform CRUD operations, and ensure efficient data retrieval.
- Gained hands-on experience in implementing RESTful APIs, handling middleware, and integrating external APIs.
- Collaborated on projects using microservices architecture, improving modularity and scalability of applications.
- Assisted in debugging and performance optimization, reducing errors and improving application efficiency.
- Participated in developing real-time reporting features by writing optimized SQL queries and managing database operations.
- Contributed to creating responsive UI components and ensured cross-browser compatibility for consistent performance.
INDUSIND BANK
Chennai, India
08.2023 - 03.2025
- Developed dynamic web applications using HTML, CSS, and JavaScript, Angular & React implementing user-friendly, responsive interfaces optimized for multiple devices.
- Built scalable and high-performance back-end services using NODE and Express JS, designed for seamless integration with front-end components and external APIs.
- Configured and integrated databases including PostgreSQL, Cassandra, and MongoDB, ensuring smooth data storage, retrieval, and interaction within the application.
- Developed microservices architecture to break down monolithic applications into independently deployable and scalable services, enhancing modularity and maintainability.
- Focused on database configuration and integration, including managing data consistency, handling data migrations, and optimizing query performance for high-traffic applications.
- Debugged and optimized application functionality, resolving issues and enhancing performance across different environments.
- Designed and implemented RESTful APIs using Node middleware functionalities to enable communication between front-end and back-end services in a microservices architecture.
- Optimized code performance by identifying and resolving bottlenecks, reducing memory usage, and improving system efficiency and scalability.
- Generated detailed SQL queries for real-time data reporting and analytics, ensuring accuracy and timeliness of data processing.
- Designed responsive, cross-browser web pages that are optimized for various screen sizes and platforms, improving user experience.
GLOBALTEK PROSOLUTIONS PVT LVT
Bangalore, India
09.2021 - 10.2023
- Developed RESTful APIs and microservices using Node.js, adhering to best practices for modular and reusable code.
- Implemented server-side logic to handle CRUD operations for various applications.
- Optimized backend performance by profiling and debugging Node.js applications.
- Designed and developed responsive and dynamic front-end user interfaces using React.js.
- Leveraged React hooks and Redux for state management and to enhance application performance.
- Integrated front-end components with RESTful APIs to ensure seamless user experiences.
- Designed and maintained NoSQL databases using MongoDB for scalable and high-performance applications.
- Wrote complex aggregation queries to support analytics and reporting requirements.
- Implemented schema design strategies to optimize read and write operations.
- Used Git Bash for version control tasks, including branching, merging, and resolving conflicts.
- Designed and implemented CI/CD pipelines using tools like Jenkins, GitHub Actions, or GitLab CI.
- Automated build, test, and deployment processes to ensure faster delivery cycles.
Education
Prist University
01.2021
Skills
- JavaScript
- Node JS
- Angular JS
- TypeScript
- Express JS
- Bootstrap
- JQuery
- JUnit
- JSON
- XML
- Rest API
- Redux
- AJAX
- SAAS
- Visual Studio Code
- Sublime Text
- Notepad
- IntelliJ
- Apache
- Web Sphere
- MySQL
- MongoDB
- SQL Server
- PostgreSQL
- Cassandra
- AWS
- GCP
- Docker
- Jenkins
- CI/CD
- Git
- GitHub
- JUNIT
- MOCKITO
- JASMINE
Certification
- AWS Developer Associate
- IBM Cloud Advocate
Timeline
THAPOVAN INFO SYSTEMS PVT LTD
03.2025 - Current
INDUSIND BANK
08.2023 - 03.2025
GLOBALTEK PROSOLUTIONS PVT LVT
09.2021 - 10.2023
Prist University