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Hi, I'm Himanshu Tomar, a passionate Full Stack Developer with over 5 years of experience building robust microservices and creating interactive frontend applications. I enjoy working with Java, Spring Boot, React, and Angular, and I'm skilled in deploying scalable solutions on AWS. Collaboration and delivering user-friendly features are what I thrive on. I'm always eager to embrace new challenges in cloud technologies, API security, and real-time data streaming. Outside of coding, I love refining processes to boost efficiency and enhance performance, ensuring the products I work on not only meet but exceed expectations.…Hi, I'm Himanshu Tomar, a passionate Full Stack Developer with over 5 years of experience building robust microservices and creating interactive frontend applications. I enjoy working with Java, Spring Boot, React, and Angular, and I'm skilled in deploying scalable solutions on AWS. Collaboration and delivering user-friendly features are what I thrive on. I'm always eager to embrace new challenges in cloud technologies, API security, and real-time data streaming. Outside of coding, I love refining processes to boost efficiency and enhance performance, ensuring the products I work on not only meet but exceed expectations.

Himanshu Tomar

Full Stack Developer, Developer, Back-End Developer, +4

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Hi, I'm Himanshu Tomar, a passionate Full Stack Developer with over 5 years of experience building robust microservices and creating interactive frontend applications. I enjoy working with Java, Spring Boot, React, and Angular, and I'm skilled in deploying scalable solutions on AWS. Collaboration and delivering user-friendly features are what I thrive on. I'm always eager to embrace new challenges in cloud technologies, API security, and real-time data streaming. Outside of coding, I love refining processes to boost efficiency and enhance performance, ensuring the products I work on not only meet but exceed expectations.…Hi, I'm Himanshu Tomar, a passionate Full Stack Developer with over 5 years of experience building robust microservices and creating interactive frontend applications. I enjoy working with Java, Spring Boot, React, and Angular, and I'm skilled in deploying scalable solutions on AWS. Collaboration and delivering user-friendly features are what I thrive on. I'm always eager to embrace new challenges in cloud technologies, API security, and real-time data streaming. Outside of coding, I love refining processes to boost efficiency and enhance performance, ensuring the products I work on not only meet but exceed expectations.

Available to hire

Hi, I’m Himanshu Tomar, a passionate Full Stack Developer with over 5 years of experience building robust microservices and creating interactive frontend applications. I enjoy working with Java, Spring Boot, React, and Angular, and I’m skilled in deploying scalable solutions on AWS. Collaboration and delivering user-friendly features are what I thrive on.

I’m always eager to embrace new challenges in cloud technologies, API security, and real-time data streaming. Outside of coding, I love refining processes to boost efficiency and enhance performance, ensuring the products I work on not only meet but exceed expectations.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Hindi

Advanced

Work Experience

Software Engineer – Backend Java at Intuit

January 1, 2024 - Present

Developed 12 RESTful APIs using Spring Boot, integrated with Angular for onboarding and reporting, enabling 2 sprint releases. Refactored monolithic architecture into 4 microservices synced with React, reducing response time from 1.5s to 900ms. Integrated OAuth 2.0 with backend and React login to enhance security in 3 production environments. Achieved 80% test coverage using JUnit and Mockito, and employed Jasmine/Karma for UI tests, identifying over 10 bugs pre-release. Containerized services with Docker and served Angular builds via Nginx, cutting QA setup time by 30%. Collaborated with UI/UX designers and QA engineers to deliver responsive features like user profiles and transaction history.

Full Stack Developer at Paysfer Emart

December 31, 2023 - July 28, 2025

Developed and optimized over 15 React components with TypeScript, boosting user engagement by 20% and reducing page load times by 30%, contributing to a 15% increase in monthly active users in two months. Designed and deployed 8 AWS Lambda functions for serverless data processing and automated transaction notifications, reducing latency by 40% and ensuring 99.9% uptime. Architected scalable microservices on AWS EC2, improving scalability by 50%, reducing deployment times by 30%, and increasing reliability by 25%. Refactored and modularized over 10,000 lines of frontend code using OOP principles, cutting debugging time by 25% and speeding up code review turnaround by 20%, enabling faster sprint cycles.

Software Engineer - 1 at Hashedin By Deloitte

August 31, 2022 - July 28, 2025

Developed 10+ microservices using Java and Spring Boot integrated with React UI, leveraging Spring Cloud for service discovery and load balancing, reducing downtime by 20%. Integrated Spring Security into backend APIs and Angular components, enabling role-based authentication and cutting unauthorized access by 30%. Implemented AWS RDS for relational database management, enhancing data storage and retrieval speeds and improving query response time by 25%. Built REST APIs documented with Swagger, collaborating closely with frontend teams to reduce API debugging time by 15%.

Full Stack Engineer at Sage Softtech

January 31, 2020 - July 28, 2025

Developed over 10 web pages using Bootstrap and HTML, improving load times by 30% and increasing user retention by 25%. Integrated GraphQL with Node.js to optimize data fetching, reducing API overhead by 35% and improving query performance. Implemented AWS CloudWatch for real-time monitoring, increasing system uptime by 20% and reducing debugging time by 25%. Automated CI/CD pipelines and ETL processing for 500GB daily transactions, reducing deployment time by 50% and improving data accuracy to 99.9%.

Software Engineer – Backend Java at Intuit

January 1, 2024 - Present

Developed 12 RESTful APIs using Spring Boot, integrated with Angular for onboarding and reporting, enabling 2 sprint releases. Refactored monolithic architecture into 4 microservices synced with React, reducing response time from 1.5s to 900ms. Integrated OAuth 2.0 with backend and React login, enhancing security across 3 production environments. Achieved 80% test coverage with JUnit and Mockito, and added Jasmine/Karma UI tests to identify over 10 pre-release bugs. Containerized services using Docker and served Angular builds via Nginx, reducing QA setup time by 30%. Collaborated with UI/UX designers and QA engineers to deliver responsive features such as user profiles and transaction history.

Full Stack Developer at Paysfer Emart

December 31, 2023 - July 28, 2025

Developed and optimized 15+ React components with TypeScript, improving user engagement by 20% and decreasing page load times by 30%, contributing to a 15% increase in monthly active users within 2 months. Designed and deployed 8 AWS Lambda functions for serverless data processing and automated transaction notifications, reducing latency by 40% and maintaining 99.9% uptime. Architected scalable microservices on AWS EC2, enhancing system scalability by 50%, reducing deployment times by 30%, and improving reliability by 25%. Refactored and modularized over 10K lines of frontend code using OOP principles, reducing debugging time by 25% and code review turnaround by 20%, accelerating sprint cycles.

Software Engineer - 1 at Hashedin By Deloitte

August 31, 2022 - July 28, 2025

Developed over 10 microservices using Java and Spring Boot, integrated with React UI, utilizing Spring Cloud for service discovery and load balancing to reduce downtime by 20%. Integrated Spring Security with backend APIs and Angular components, enabling role-based authentication and decreasing unauthorized access by 30%. Implemented AWS RDS for database management, optimizing data storage and improving query response times by 25%. Built REST APIs with Swagger and collaborated with frontend teams for seamless integration, reducing API debugging time by 15%.

Full Stack Engineer at Sage Softtech

January 31, 2020 - July 28, 2025

Developed 10+ web pages using Bootstrap and HTML, improving load time by 30% and increasing user retention by 25%. Integrated GraphQL with Node.js to optimize data fetching, reducing API overhead by 35% and improving query performance. Implemented AWS CloudWatch for real-time monitoring, increasing uptime by 20% and reducing debugging time by 25%. Automated CI/CD pipelines and ETL processing for 500GB daily transactions, reducing deployment times by 50% and improving data accuracy to 99.9%.

Software Engineer – Backend Java at Intuit

January 1, 2024 - Present

Developed 12 RESTful APIs using Spring Boot, linked with Angular for onboarding and reporting, enabling 2 sprint releases. Refactored monolithic architecture into 4 microservices synced with React, reducing response time from 1.5s to 900ms. Integrated OAuth 2.0 with backend and React login, enhancing security across 3 production environments. Achieved 80% test coverage with JUnit and Mockito, added Jasmine/Karma tests for UI, identifying 10+ bugs pre-release. Containerized services with Docker and served Angular builds via Nginx, cutting QA setup time by 30%. Collaborated with UI/UX designers and QA engineers to deliver responsive user features such as profiles and transaction history.

Full Stack Developer at Paysfer Emart

December 31, 2023 - July 28, 2025

Developed and optimized 15+ React components using TypeScript, increasing user engagement by 20% and decreasing page load times by 30%, which contributed to a 15% rise in monthly active users in 2 months. Designed and deployed 8 AWS Lambda functions for serverless data processing and automated transaction notifications, reducing latency by 40% and achieving 99.9% uptime. Architected scalable microservices on AWS EC2, improving system scalability for 50% more traffic, reducing deployment times by 30%, and improving reliability by 25%. Refactored and modularized over 10K lines of frontend code using OOP principles, cutting debugging time by 25% and decreasing code review turnaround by 20%, accelerating sprint cycles.

Software Engineer - 1 at Hashedin By Deloitte

August 31, 2022 - July 28, 2025

Developed 10+ microservices using Java and Spring Boot integrated with React UI; leveraged Spring Cloud for discovery and load balancing to reduce downtime by 20%. Integrated Spring Security with backend APIs and Angular components for role-based authentication, decreasing unauthorized access by 30%. Implemented AWS RDS for database management, enhancing data retrieval and query response time by 25%. Built REST APIs using Swagger and collaborated closely with frontend teams to reduce API debugging time by 15%.

Full Stack Engineer at Sage Softtech

January 31, 2020 - July 28, 2025

Developed 10+ web pages using Bootstrap and HTML to improve load times by 30% and increase user retention by 25%. Integrated GraphQL with Node.js optimizing data fetching and reducing API overhead by 35%. Implemented AWS CloudWatch for real-time monitoring, increasing uptime by 20% and decreasing debugging time by 25%. Automated CI/CD pipelines and ETL processing for 500GB daily transactions, reducing deployment time by 50% and achieving 99.9% data accuracy.