Varan Bhalla

Mastercard

React, Javascript, Python, AWS, SQL, Experiences, Payments

• Working on enterprise-level financial technology solutions
• Building scalable monolith and microservices architecture for experiences systems
• Feature planning and development, creating user interfaces.
• Implementing secure and efficient APIs
• Collaborating with cross-functional teams across multiple time zones
• Ensuring compliance, regulations, agile development
• Code quality, end-to-end testing, test driven development

Webknot

React-Native, React, Android, iOS, React Native Modules, Responsive iPad, Tablet Designs

• Allied with teams from Canada, working on React-Native, React, Android, iOS apps, client: Agility
• Developed new features, bug fixes, improvements on React & React-Native apps
• Executed React Native version upgrade to support new enhanced architecture
• Built responsive apps for iPads, tablets & phones, with language translations enabled
• Improved features like GPS location, maps, camera, video player, connectivity, responsiveness, mobile-os related
• Worked on native Android(Kotlin) & iOS(Swift) features with React Native-Modules
• Resolved numerous RN, iOS & Android dependencies, carried out patches, crafted POCs & documentations

Webknot

React, Next, Python, Node, AWS, Typescript, MicroFrontends

• Allied with multiple clients including Render Networks (Australia), Pixid.AI, Sisense and Jatya teams
• Improved MicroFrontend app's performance by 8-10% & executed critical migrations
• Proposed and coded effective dashboard deployment solutions for the hub platform
• Enhanced communication between Single SPA React MicroFrontend apps
• Implemented data visualizations with DeckGL, Sisense dashboards
• Coded a scalable optimized structure with best practices for healthcare management platform
• Applied best code quality, abstractions, reusability, optimizations across projects
• Fixed production app crashes by providing real-time solutions
• Team executed sprints, milestones & iterations along with effective QA testing
• Python automation, MicroFrontends, communication with data management teams

Webknot

React, React-Native, Node, MongoDB, AWS, Typescript, Jest, Sonarqube, Sass, Redux

• Worked with multiple clients including Ondace (Healthcare) and ABB (Industrial Automation)
• Delivered 250+ app improvements, bug fixes, performance optimizations
• Implemented memoization, lazy loading, effective global state management
• Part of the ABB PCP Research & Development team - India and United Kingdom
• Applied Atomic Design Patterns, effective version control, optimized data structures
• Test driven development with code quality integrations using Jest and Sonarqube
• Created polyfill scripts for Jest to provide older browser support
• Built .tar packages, handled loading/deployment of npm packages
• Executed SASS-SCSS & datagrid migrations
• Provided real-time fixes for app crashes on UAT environments
• Learnt research-oriented software development and QA collaboration

Redbytes Software

React, React-Native, Node, MongoDB, AWS

• Worked on company's flagship product - Cost Calculator Mobile App (10000+ downloads)
• Developed backend rest apis, functionalities and ui development of the app
• Created image gallery module, with grid-list view & gesture functionalities
• Deployed and fixed crashes on production for Android app on Google PlayStore
• Worked on other products like Edsys, Pets and Edocs apps

Dcoder

React, Node, MongoDB, Bootstrap, Material UI

• Executed complex drag drop features by limiting ui re-rendering
• Implemented rest api & data manipulations for video embedding with Youtube sdk
• Responsive UIs from scratch with colour themes and code reusability
• Communication with the stake holders

Algomastery

React, Node, AWS, MongoDB

• End to end app setup along with deployment
• Applied Rate limiting & Caching on server rest api to reduce db calls
• Improved network calls by 25% for course search filter features
• Reduced 10% of backend calls by effective state management
• Learnt how to think beyond code by analysing business aspects