Shashank Uppala
Summary
Front-end engineer with 10 years of experience delivering responsive, accessible, and high-performance web applications using React, Next.js, TypeScript, and modern JavaScript frameworks. Experienced in building scalable micro-frontend architectures, reusable component libraries, and enterprise-grade user interfaces for large-scale platforms. Proven ability to translate design concepts into performant modules, collaborate within agile teams, and optimize user experience, accessibility, and frontend performance across distributed applications.
Overview
11
11
years of professional experience
Work History
Sr Front End Developer
MGM Resorts
Remote
09.2025 - Current
- Contributed to a micro-frontend suite powering Guest Services, delivering 15 new UI widgets using the core library and Next.js that accelerated feature rollout by 40% across 3 regional resorts.
- Built reusable component library with Storybook, documenting 60+ variants and reducing onboarding time for front-end developers from two weeks to three days, ensuring visual consistency across all guest-facing portals.
- Connected reservation and checkout endpoints, reducing data-fetch latency by 35% and enabling seamless transactions for over 50,000 concurrent users during peak events with a 99.9% success rate.
- Applied AI-driven CLIN tooling to auto-generate boilerplate code, cutting development time for new screens by 22% and lowering manual bugs identified in QA by 18%.
- Collaborated with designers and product managers in agile ceremonies, translating prototypes into accessible interfaces and achieving 4.7/5 user satisfaction score across 12,000 post-launch surveys.
Software Developer Full stack-contract
Walmart
San Francisco
02.2021 - 08.2025
- Established CI/CD pipelines with GitHub Actions and Azure DevOps, attaining 90% automated test coverage and cutting release cycle time from 48 to 12 hours.
- Implemented Redux Toolkit and Context API for state orchestration, decreasing duplicate fetches by 30% and enhancing debugging across multi-team codebase.
- Integrated React modules with REST and GraphQL services, improving page-render speed by 25% for CCA receipt lookup serving 200,000 shoppers daily.
Sr. Front End Developer-contract
Marathon Oil
Houston
04.2017 - 01.2021
- Migrated 400-page Angular front-end to TypeScript-based React suite, lowering page load by 27% and standardizing codebase for 25 developers.
- Engineered reusable Material-UI components and integrated HighCharts visualizations, enabling real-time drilling metrics for 12 field teams and reducing manual data compilation by 40%.
- Prototyped GraphQL endpoint on AWS Lambda, achieving sub-200 ms query latency and supporting downstream services used by over 8,000 daily active users.
UI Developer-contract
Pearson
Austin
02.2016 - 03.2017
- Developed reusable Angular directives to transform raw data into standardized tables, streamlining development for similar screens by 35% across the platform.
- Built responsive educational simulations with HTML, SASS, and AngularJS, supporting desktop, tablet, and iPad devices for 8,000+ learners and meeting WCAG 2.0 contrast standards.
- Facilitated offshore code-review sessions, documenting guidelines and reducing defect leakage by 28% while managing version control with Git and issue tracking in JIRA.
Front End Developer-contract
Verizon
Waltham
08.2015 - 01.2016
- Delivered client-side portal using HTML5, CSS3, and vanilla JavaScript, resulting in 22% faster initial render compared to legacy interface.
- Implemented interactive dashboards with HighCharts, visualizing real-time metrics for 150+ internal users and cutting manual reporting time by 30%.
- Integrated Redux for state handling across 12 components, reducing UI glitches by 40% and streamlining bug tracking with JIRA-linked tickets.
Education
Masters - Computer Information systems
Univerisity of Central Missouri
Warrensburg, MO01-2015
Btech - computer science
MLR Institute of Technology
Hyderabad, Telangana01-2013
Skills
- ReactJS
- NextJS
- TypeScript
- GraphQl
- Javascript
- HTML
- CSS
- NodeJS
- Angular
- NodeJS
- Micro-FrontEnds
Timeline
Sr Front End Developer
MGM Resorts
09.2025 - Current
Software Developer Full stack-contract
Walmart
02.2021 - 08.2025
Sr. Front End Developer-contract
Marathon Oil
04.2017 - 01.2021
UI Developer-contract
Pearson
02.2016 - 03.2017
Front End Developer-contract
Verizon
08.2015 - 01.2016
Masters - Computer Information systems
Univerisity of Central Missouri
Btech - computer science
MLR Institute of Technology