LIAQAT KHAN
Milford
Summary
Software Engineer (8+ yrs) skilled in building scalable frontend + serverless systems. Experience includes React/TypeScript architecture, AWS Lambda/DynamoDB services, performance optimization, and enterprise dashboards used by 5,000+ users. Strong in system design, CI/CD, and leading migration efforts.
Overview
10
10
years of professional experience
Work History
Software Engineer
CVS HEALTH
05.2022 - 08.2024
- Improved dashboard performance by engineering a resilient data layer (React Query, Axios) with optimistic UI updates, and intelligent caching strategies.
- Optimized logistics efficiency for 5,000+ clinical staff by directing comprehensive development of critical "Retail" and "Immunization" dashboards.
- Streamlined vaccination tracking for over 5,000 users by architecting the Immunization Dashboard using React 18 features and strict TypeScript static typing.
- Ensured 60 fps scrolling performance for 10,000+ record datasets by implementing complex virtualization strategies to eliminate critical rendering bottlenecks.
- Accelerated feature delivery by standardizing the internal Design System with accessible (WCAG-compliant) Ant Design components used across three squads.
- Enhanced application stability by orchestrating a global state management migration to Redux Toolkit, effectively decoupling micro-frontend dependencies.
Software Engineer II
INTERIOR LOGIC GROUP
07.2021 - 04.2022
- Boosted developer efficiency by revamping legacy web interfaces and refactoring technical debt into modern, maintainable code.
- Reduced production runtime errors by spearheading the modernization of a legacy JavaScript codebase to strict TypeScript.
- Significantly reduced the final CSS bundle size by designing a scalable component styling architecture using Styled Components.
- Increased code reusability by engineering a reusable React component library, ensuring a pixel-perfect, mobile-first experience across all field devices.
- Enhanced deployment speed through the configuration of automated linting and regression testing within the Jenkins CI/CD pipeline.
Software Engineer
THREEBRIDGE SOLUTIONS
11.2020 - 07.2021
- Reduced server maintenance overhead by designing and deploying a cloud-native, serverless solution on AWS (Lambda and DynamoDB).
- Increased user engagement through the rapid development and launch of three cloud-native web applications using the Serverless Framework.
- Ensured compliance with modern security standards by implementing secure OIDC authentication flows using Firebase and Google OAuth for over 500 users.
- Reduced regression bugs by establishing a rigorous testing culture with Jest and React Testing Library, achieving over 80% code coverage.
- Boosted application performance by optimizing complex Redux state logic and refactoring action dispatchers to minimize re-renders.
Software Engineer
Exelon
12.2018 - 07.2020
- Achieved a significantly faster Time-to-Interactive (TTI) for high-traffic pages by resolving severe rendering latency through refactored change detection strategies.
- Reduced system downtime through proactive performance tuning and automated error monitoring (CloudWatch) for more than 10 Angular applications.
- Managed complex asynchronous data streams by leading the migration of mission-critical dashboards to Angular with RxJS Observables.
Software Engineer
TATA CONSULTANCY SERVICES
10.2017 - 07.2020
- Deployed as a key technical consultant for major enterprise clients including Exelon, Bank of America, and Johnson & Johnson.
Software Engineer
Johnson & Johnson
05.2018 - 11.2018
- Reduced processing time and improved data security by transforming internal compliance workflows with robust Single Page Applications (SPAs).
- Improved delivery efficiency by collaborating with business stakeholders to define technical requirements, and streamline the Agile planning process.
Software Engineer
Bank of America
10.2017 - 11.2018
- Improved data submission accuracy across 50+ complex financial forms by optimizing client-side validation logic using JavaScript/Ajax.
- Enhanced compliance and usability by engineering secure financial interfaces with HTML5, SCSS, and jQuery, strictly adhering to banking regulations.
Software Engineer
ATOM INNOVATIONS
11.2014 - 09.2017
- Processed over 500 daily requests by delivering full-stack web solutions with AngularJS and Java.
- Revamped onboarding flows, significantly boosting user satisfaction for more than 1,000 users.
- Streamlined registration processes to enhance user experience and engagement.
- Refactored legacy CSS into maintainable LESS pre-processor code to reduce codebase complexity.
Education
Bachelor of Science -
University of Massachusetts Amherst
01.2014
Skills
● Languages: TypeScript (Advanced Patterns), JavaScript (ES6), SQL, Java, HTML5, CSS3/SCSS
● Frontend: React 18 (Suspense, Server Components), Nextjs, Redux Toolkit, React Query, Webpack, Babel
● Backend & Cloud: Nodejs, AWS (Lambda, DynamoDB, S3, CloudWatch, IAM, CDK), Serverless Framework, Firebase Auth
● DevOps & Quality: CI/CD (Jenkins), Docker, Jest, React Testing Library, Cypress, Git/GitHub Actions
● Methodologies: Agile/Scrum, TDD, WCAG 21 AA Accessibility, System Design
Timeline
Software Engineer
CVS HEALTH
05.2022 - 08.2024
Software Engineer II
INTERIOR LOGIC GROUP
07.2021 - 04.2022
Software Engineer
THREEBRIDGE SOLUTIONS
11.2020 - 07.2021
Software Engineer
Exelon
12.2018 - 07.2020
Software Engineer
Johnson & Johnson
05.2018 - 11.2018
Software Engineer
TATA CONSULTANCY SERVICES
10.2017 - 07.2020
Software Engineer
Bank of America
10.2017 - 11.2018
Software Engineer
ATOM INNOVATIONS
11.2014 - 09.2017
Bachelor of Science -
University of Massachusetts Amherst