Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

Hi, I’m Jaswinder Singh, a Senior Software Engineer with 10+ years of experience building secure, high-performance web and mobile applications across Fintech, eCommerce, Real Estate, Healthcare, and SaaS. I’m passionate about delivering user-focused products and solving complex problems with efficiency and innovation. I specialize in designing scalable frontend architectures with React, TypeScript, and modern backend systems on Node.js and AWS. I value collaboration across disciplines and am committed to building secure, maintainable systems that perform reliably at scale.…Hi, I’m Jaswinder Singh, a Senior Software Engineer with 10+ years of experience building secure, high-performance web and mobile applications across Fintech, eCommerce, Real Estate, Healthcare, and SaaS. I’m passionate about delivering user-focused products and solving complex problems with efficiency and innovation. I specialize in designing scalable frontend architectures with React, TypeScript, and modern backend systems on Node.js and AWS. I value collaboration across disciplines and am committed to building secure, maintainable systems that perform reliably at scale.

Jaswinder Singh

PRO

Web Developer, Full Stack Developer, Front-End Developer, +2





Hi, I’m Jaswinder Singh, a Senior Software Engineer with 10+ years of experience building secure, high-performance web and mobile applications across Fintech, eCommerce, Real Estate, Healthcare, and SaaS. I’m passionate about delivering user-focused products and solving complex problems with efficiency and innovation. I specialize in designing scalable frontend architectures with React, TypeScript, and modern backend systems on Node.js and AWS. I value collaboration across disciplines and am committed to building secure, maintainable systems that perform reliably at scale.…Hi, I’m Jaswinder Singh, a Senior Software Engineer with 10+ years of experience building secure, high-performance web and mobile applications across Fintech, eCommerce, Real Estate, Healthcare, and SaaS. I’m passionate about delivering user-focused products and solving complex problems with efficiency and innovation. I specialize in designing scalable frontend architectures with React, TypeScript, and modern backend systems on Node.js and AWS. I value collaboration across disciplines and am committed to building secure, maintainable systems that perform reliably at scale.

Available to hire

Brampton, Canada

Hi, I’m Jaswinder Singh, a Senior Software Engineer with 10+ years of experience building secure, high-performance web and mobile applications across Fintech, eCommerce, Real Estate, Healthcare, and SaaS. I’m passionate about delivering user-focused products and solving complex problems with efficiency and innovation.

I specialize in designing scalable frontend architectures with React, TypeScript, and modern backend systems on Node.js and AWS. I value collaboration across disciplines and am committed to building secure, maintainable systems that perform reliably at scale.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Fluent

Work Experience

Senior Software Engineer at Healthmine

January 1, 2022 - Present

Developed the Personal Health Assistant web and mobile app; designed scalable frontend with React, Zustand, and Material-UI; built interactive data visualizations with D3.js; implemented a scalable Node.js microservices backend with GraphQL; optimized for performance with lazy loading and code splitting; authored UI documentation with Storybook; established CI/CD pipelines with Jenkins and Docker; built secure cloud infrastructure on AWS.

Senior Software Engineer at TEKsystems (Client: Walmart, Paycom, UnitedHealth Group)

January 1, 2017 - December 1, 2021

Frontend/Backend contributions across Inventory Management, Payroll, and EHR platforms. Built reusable components with React, TypeScript, Redux, and Storybook; optimized database interactions and implemented Redis caching; introduced CDN caching and Datadog monitoring; implemented event-driven architecture with Kafka; HIPAA/FHIR-compliant backend for EHR; integrated payment processing for contractors using PayPal/Stripe; deployed with Docker/Kubernetes and GitHub Actions.

Software Engineer at BigCommerce

January 1, 2015 - December 1, 2016

Developed a robust eCommerce platform using Azure, MongoDB, and React; built cross-platform web and mobile experiences; implemented secure authentication using OAuth/JWT; delivered modular frontend and scalable backend features.