Rahul Khandelwal — Software Engineer

🚀 Full Stack Developer | Cloud Enthusiast | Problem Solver | Tech Explorer Hi, I’m Rahul Khandelwal, a passionate full stack developer with hands-on experience in frontend, backend, and cloud-based solutions. I thrive on building scalable, performant, and user-focused applications while ensuring clean architecture and robust design. 💼 𝗣𝗿𝗼𝗳𝗲𝘀𝘀𝗶𝗼𝗻𝗮𝗹 𝗝𝗼𝘂𝗿𝗻𝗲𝘆 Starting from competitive programming, I transitioned into full stack development, working across 𝗝𝗮𝘃𝗮, 𝗖#, .𝗡𝗘𝗧, 𝗥𝗲𝗮𝗰𝘁.𝗷𝘀, 𝗔𝗻𝗴𝘂𝗹𝗮𝗿, 𝗮𝗻𝗱 𝗦𝗽𝗿𝗶𝗻𝗴 𝗕𝗼𝗼𝘁. Over time, I embraced 𝗗𝗲𝘃𝗢𝗽𝘀, 𝗔𝗪𝗦 and 𝗔𝘇𝘂𝗿𝗲. Designed and developed end-to-end products with both low-level and high-level designs using patterns like 𝗙𝗮𝗰𝘁𝗼𝗿𝘆, 𝗦𝗶𝗻𝗴𝗹𝗲𝘁𝗼𝗻, 𝗕𝘂𝗶𝗹𝗱𝗲𝗿, 𝗮𝗻𝗱 𝗦𝘁𝗿𝗮𝘁𝗲𝗴𝘆. Implemented client-side and server-side caching for performance gains — using TanStack Query with 𝗥𝗲𝗱𝘂𝘅 𝗧𝗵𝘂𝗻𝗸 for efficient asynchronous 𝗦𝘁𝗮𝘁𝗲 𝗺𝗮𝗻𝗮𝗴𝗲𝗺𝗲𝗻𝘁. Experienced in error handling, logging, and optimizing API performance for production systems. Optimized 𝗦𝗤𝗟 𝗾𝘂𝗲𝗿𝗶𝗲𝘀, 𝘀𝘁𝗼𝗿𝗲𝗱 𝗽𝗿𝗼𝗰𝗲𝗱𝘂𝗿𝗲𝘀, 𝗤𝘂𝗲𝗿𝘆 𝗣𝗹𝗮𝗻 𝗮𝗻𝗱 𝘁𝗿𝗶𝗴𝗴𝗲𝗿𝘀. As a seasoned Java Backend Developer, I am responsible for designing, developing, and deploying scalable applications utilizing Spring Boot, RabbitMQ, MySQL, MongoDB, Git, Jira, Docker, Kubernetes, and AWS. Proficient in Java 8/11, I leverage RESTful APIs and Microservices Architecture to deliver high-quality solutions, with strong problem-solving skills, attention to detail, and Agile methodology expertise ensuring seamless collaboration and efficient delivery. ⚒️ Skills Snapshot Frontend: 𝗥𝗲𝗮𝗰𝘁.𝗷𝘀, 𝗔𝗻𝗴𝘂𝗹𝗮𝗿, 𝗡𝗲𝘅𝘁.𝗷𝘀, 𝗥𝗲𝗱𝘂𝘅, 𝗥𝗲𝗱𝘂𝘅 𝗧𝗼𝗼𝗹𝗸𝗶𝘁, 𝗧𝗵𝘂𝗻𝗸, 𝗧𝗮𝗻𝗦𝘁𝗮𝗰𝗸 𝗤𝘂𝗲𝗿𝘆, 𝗛𝗧𝗠𝗟𝟱, 𝗖𝗦𝗦𝟯, 𝗝𝗮𝘃𝗮𝗦𝗰𝗿𝗶𝗽𝘁, 𝗧𝘆𝗽𝗲𝗦𝗰𝗿𝗶𝗽𝘁. Backend: 𝗝𝗮𝘃𝗮 (𝗦𝗽𝗿𝗶𝗻𝗴 𝗕𝗼𝗼𝘁), 𝗖# (.𝗡𝗘𝗧 𝗖𝗼𝗿𝗲), 𝗡𝗼𝗱𝗲.𝗷𝘀, 𝗙𝗮𝘀𝘁𝗔𝗣𝗜, 𝗥𝗘𝗦𝗧 𝗔𝗣𝗜 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁, 𝗔𝘂𝘁𝗵𝗲𝗻𝘁𝗶𝗰𝗮𝘁𝗶𝗼𝗻 & 𝗔𝘂𝘁𝗵𝗼𝗿𝗶𝘇𝗮𝘁𝗶𝗼𝗻. Databases: 𝗣𝗼𝘀𝘁𝗴𝗿𝗲𝗦𝗤𝗟, 𝗠𝘆𝗦𝗤𝗟, 𝗠𝗼𝗻𝗴𝗼𝗗𝗕, 𝗗𝘆𝗻𝗮𝗺𝗼𝗗𝗕, 𝗥𝗲𝗱𝗶𝘀. Mobile: 𝗥𝗲𝗮𝗰𝘁 𝗡𝗮𝘁𝗶𝘃𝗲. Cloud & DevOps: 𝗔𝗪𝗦 (𝗘𝗖𝟮, 𝗦𝟯, 𝗘𝗖𝗥), 𝗔𝘇𝘂𝗿𝗲, 𝗖𝗜/𝗖𝗗 𝗣𝗶𝗽𝗲𝗹𝗶𝗻𝗲𝘀, 𝗗𝗼𝗰𝗸𝗲𝗿. Languages: 𝗝𝗮𝘃𝗮, 𝗖#, 𝗣𝘆𝘁𝗵𝗼𝗻, 𝗚𝗼 🎯 Achievements Cleared ACM-ICPC Regionals with a rank of 565 in competitive programming. 📅 𝗟𝗪𝗗 - 𝟭𝟯 𝗢𝗖𝗧𝗢𝗕𝗘𝗥 , 𝟮𝟬𝟮𝟱 ✅ 𝗜𝗺𝗺𝗲𝗱𝗶𝗮𝘁𝗲 𝗝𝗼𝗶𝗻𝗲𝗿 | 𝗦𝗲𝗿𝘃𝗶𝗻𝗴 𝗡𝗼𝘁𝗶𝗰𝗲 𝗣𝗲𝗿𝗶𝗼𝗱 |

Stackforce AI infers this person is a Full Stack Developer with expertise in SaaS and cloud-based solutions.

Location: Rajasthan, India

Experience: 3 yrs 3 mos

Skills

Java
Spring Boot
React.js
Node.js
Express.js

Career Highlights

Proficient in both frontend and backend technologies.
Strong experience in cloud services and DevOps practices.
Achieved significant performance improvements in applications.

Work Experience

SOTI

Software Engineer (2 yrs 10 mos)

Cheerio

Software Engineer Intern (5 mos)

Education

B.tech at Swami Keshvanand Institute of Technology, Jaipur

Rahul Khandelwal

Software Engineer

Rajasthan, India3 yrs 3 mos experience

Most Likely To Switch

Key Highlights

Proficient in both frontend and backend technologies.
Strong experience in cloud services and DevOps practices.
Achieved significant performance improvements in applications.

Stackforce AI infers this person is a Full Stack Developer with expertise in SaaS and cloud-based solutions.

Contact

Skills

Core Skills

JavaSpring BootReact.jsNode.jsExpress.js

Other Skills

AWSAWS LambdaAgileAmazon EC2Amazon S3Amazon Web Services (AWS)AngularBack-End Web DevelopmentC#CSS3Computer ScienceCore JavaDatabase DesignDockerFull-Stack Development

About

Experience

3 yrs 3 mos

Total Experience

1 yr 7 mos

Average Tenure

2 yrs 10 mos

Current Experience

Soti

Software Engineer

Aug 2023 – Present · 2 yrs 10 mos · Gurugram, Haryana, India · Hybrid

𝗕𝗔𝗖𝗞𝗘𝗡𝗗: Java (Spring Boot, Spring Cloud, Spring Security, Hibernate, JPA), C# (.NET Core, ASP.NET MVC), Node.js (Express.js), REST APIs, GraphQL, SignalR
𝗙𝗥𝗢𝗡𝗧𝗘𝗡𝗗: Angular, TypeScript, JavaScript (ES6+), HTML5, CSS3, SASS
𝗗𝗔𝗧𝗔𝗕𝗔𝗦𝗘𝗦: SQL Server, PostgreSQL, MongoDB, Redis (Caching & Session Management)
𝗔𝗨𝗧𝗛 & 𝗦𝗘𝗖𝗨𝗥𝗜𝗧𝗬: OAuth 2.0, SAML, JWT, RBAC, Device Compliance Policies
𝗖𝗟𝗢𝗨𝗗 & 𝗗𝗘𝗩𝗢𝗣𝗦: AWS (ECS, Lambda, S3, RDS, CloudWatch, SNS/SQS), Docker, Kubernetes, Jenkins, GitHub Actions, CI/CD
𝗧𝗘𝗦𝗧𝗜𝗡𝗚: JUnit, Mockito, TestContainers, NUnit, xUnit, Postman/Newman, TDD
𝗧𝗢𝗢𝗟𝗦 & 𝗣𝗥𝗔𝗖𝗧𝗜𝗖𝗘𝗦: Git, Swagger/OpenAPI, Design Patterns (Singleton, Builder, Factory, Observer), Agile/Scrum
Key Achievements
Improved load times 35% via code-splitting & lazy loading.
Increased test coverage from 40% → 85% with Testing Library.
Developed RESTful APIs in MVC C# .NET Core.
Worked on SAML-based SSO with OAuth 2.0 & JWT.
Optimized DB queries for SQL Server using Indexing and Execution Plan.
Implemented local proxy using TcpClient & Sockets.
Improved API contract quality with Swagger/OpenAPI, ensuring correct HTTP methods, status codes, pagination, and filtering.
Enhanced API responses by flattening JSON, renaming fields, and adding bulk-action endpoints.

JavaSpring BootC#Node.jsAngularTypeScript+10

Cheerio

Software Engineer Intern

Feb 2023 – Jul 2023 · 5 mos · Remote

1. Created backend chat application from scratch for the client and their customer , for that I had used webhooks , reddis , sockets .
2. Worked on React.js , Node.js , Express.js and MongoDB .
3. Created CSV export feature .
4. Reduced the api search query by using indexing .
5. Worked on payment integration with razorpay .
6. Worked on optimisations such as Lazy loading , Webpack , loaders , code optimisation, Type safety using typescript, web vitals , Custom hooks .
DevOps & Cloud: Docker, Kubernetes, AWS (EC2, S3, CloudWatch, ECR), Jenkins, GitHub Actions.
Deployed applications in Docker containers, orchestrated with Kubernetes on AWS.
Built CI/CD pipelines with Jenkins & GitHub Actions.
Monitored and optimized performance with AWS CloudWatch & New Relic.