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I’m Muhammad Usama Saleem, a Software Engineer with 4+ years of experience building high-performance web applications. I specialize in the JavaScript ecosystem—React.js, Next.js, Angular, and Node.js—along with backend expertise in Java Spring Boot, Python. I’ve delivered scalable solutions across healthcare, fintech, and blockchain, including Web3 integrations (Solidity, IPFS) and cloud deployments on AWS, GCP, Docker, Cloudflare, Terraform. Passionate about clean code, performance, and great user experiences, I thrive in both freelance projects and long-term team collaborations.…I’m Muhammad Usama Saleem, a Software Engineer with 4+ years of experience building high-performance web applications. I specialize in the JavaScript ecosystem—React.js, Next.js, Angular, and Node.js—along with backend expertise in Java Spring Boot, Python. I’ve delivered scalable solutions across healthcare, fintech, and blockchain, including Web3 integrations (Solidity, IPFS) and cloud deployments on AWS, GCP, Docker, Cloudflare, Terraform. Passionate about clean code, performance, and great user experiences, I thrive in both freelance projects and long-term team collaborations.

Muhammad Usama Saleem

Full Stack Developer, Web Developer, Front-End Developer, +7

5.0 (1 review)

I’m Muhammad Usama Saleem, a Software Engineer with 4+ years of experience building high-performance web applications. I specialize in the JavaScript ecosystem—React.js, Next.js, Angular, and Node.js—along with backend expertise in Java Spring Boot, Python. I’ve delivered scalable solutions across healthcare, fintech, and blockchain, including Web3 integrations (Solidity, IPFS) and cloud deployments on AWS, GCP, Docker, Cloudflare, Terraform. Passionate about clean code, performance, and great user experiences, I thrive in both freelance projects and long-term team collaborations.…I’m Muhammad Usama Saleem, a Software Engineer with 4+ years of experience building high-performance web applications. I specialize in the JavaScript ecosystem—React.js, Next.js, Angular, and Node.js—along with backend expertise in Java Spring Boot, Python. I’ve delivered scalable solutions across healthcare, fintech, and blockchain, including Web3 integrations (Solidity, IPFS) and cloud deployments on AWS, GCP, Docker, Cloudflare, Terraform. Passionate about clean code, performance, and great user experiences, I thrive in both freelance projects and long-term team collaborations.

Available to hire

I’m Muhammad Usama Saleem, a Software Engineer with 4+ years of experience building high-performance web applications. I specialize in the JavaScript ecosystem—React.js, Next.js, Angular, and Node.js—along with backend expertise in Java Spring Boot, Python. I’ve delivered scalable solutions across healthcare, fintech, and blockchain, including Web3 integrations (Solidity, IPFS) and cloud deployments on AWS, GCP, Docker, Cloudflare, Terraform. Passionate about clean code, performance, and great user experiences, I thrive in both freelance projects and long-term team collaborations.

Skills

Experience Level

Expert

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Intermediate

Intermediate

Language

English

Fluent

Work Experience

JavaScript Developer at Adapture

April 1, 2021 - Present

Developed serverless solutions using Cloudflare Workers to boost performance and reduce costs. Optimized media delivery with Cloudflare CDN and implemented advanced caching across regions to reduce latency. Designed JWT-based authentication for securing APIs and sessions. Automated infrastructure provisioning and deployment pipelines using Terraform for scalable environments.

Software Engineer at LMKR

October 1, 2021 - Present

Led full-stack development projects across React.js, Next.js, Angular, Java, .NET, and Oracle DB. Represented LMKR internationally as Lead Developer in Saudi Arabia. Improved application performance and UX/UI through modern design practices. Delivered high-quality software in Agile teams. Containerized applications with Docker to streamline development, testing, and deployment across environments.

Web Developer (Contract) at GammaSwap Labs LLC

December 1, 2022 - September 18, 2025

Built a Decentralized Exchange (DEX) using React.js, Next.js, TypeScript, and Solidity. Integrated smart contracts with front-end systems for seamless blockchain interactions. Optimized transaction costs by 15% through gas fee reduction and IPFS-based data storage.

Full Stack Engineer at Tekrowe Digital

October 1, 2021 - September 18, 2025

Developed high-performance web applications using AngularJS, React.js, Next.js, TypeScript, and Java Spring Boot. Designed responsive UI components in Figma and Adobe Illustrator. Maintained system stability and security by optimizing backend processes and legacy systems. Followed Scrum methodology, ensuring efficient sprint planning and on-time delivery.