Phanindra Vallabhajosyula
Verified Expert in Engineering
Lead Developer
Hyderabad, Telangana, India
Toptal member since September 9, 2019
Phanindra combines deep back-end development expertise using Node.js with a range of skills from the front end with Vue and React to DevOps in AWS. This experience enables him to build scalable, secure, and fault-tolerant applications. With a passion for coding and strong attention to detail, Phanindra strives to exceed client expectations and deliver bug-free code.
Portfolio
Experience
- Node.js - 5 years
- JavaScript - 5 years
- Unit Testing - 4 years
- Vue - 4 years
- Google Analytics - 4 years
- Shopify - 3 years
- Technical Leadership - 3 years
- Amazon Web Services (AWS) - 3 years
Availability
Preferred Environment
Slack, Vue 3, Tailwind CSS, Amazon Web Services (AWS)
The most amazing...
...platform I've developed is an intuitive eCommerce website offering detailed product listings, advanced search, secure checkout, and real-time order tracking.
Work Experience
Senior Full-stack Developer
Colgate-Palmolive
- Collaborated with a team of four developers in designing and implementing a scalable eCommerce web application using Nuxt.js, HTML, CSS, and JavaScript for the front end and Node.js for the back end.
- Conducted code reviews on pull requests to optimize the use of shared components, enhance code readability, and ensure adherence to best practices in coding standards and design patterns.
- Integrated Vitest framework for unit testing and Cypress framework for end-to-end testing to ensure robust application functionality.
- Developed Shopify flows to automate the creation of meta fields during the order creation process in a Shopify store.
- Supported the SAP team in developing an automated process for order refunds by integrating the Shopify API.
- Participated in program increment planning and provided technical input during brainstorming sessions to drive feature development.
- Implemented product search functionality by integrating the Swifttype API and developing the corresponding user interface.
- Added filter and sorting options to the products listing webpage, enabling users to refine their search results effectively.
- Created and integrated Directus CMS tables, empowering non-technical team members to update website content in real time.
- Implemented custom GTM events based on the analytics team’s recommendations and developed a comprehensive analytics Nuxt.js module for plug-and-play use in any eCommerce project.
Full-stack Developer
Colgate-Palmolive
- Developed an eCommerce website from the ground up using Nuxt.js, Tailwind CSS, Node.js, and JavaScript.
- Developed atomic Vue components with customizable, data-driven options to improve the reusability of UI elements.
- Configured fallback fonts for the application, enhancing the Lighthouse score by 14 points on both mobile and desktop.
- Conducted thorough code reviews to identify potential issues, ensure adherence to coding standards, and promote best practices across the development team.
- Integrated the site with Google Search Console and developed a Nuxt.js module for autogenerating dynamic sitemaps weekly with updated product information.
- Integrated Google Tag Manager with the web application and created custom events to capture user analytics data.
- Created unit tests using the Vue Test Utils framework to verify individual Vue component functionality.
- Developed and implemented end-to-end tests using Cypress framework to ensure comprehensive testing of user interactions and application workflows, enhancing overall system reliability.
- Implemented a product reviews user interface based on Figma prototypes and integrated it with a Yotpo API.
- Addressed and resolved user-interface bugs to enhance functionality and user experience.
Front-end Developer
Toptal Client
- Developed a web interface using Vue to perform CRUD operations on tasks with large files, driving up the performance of a workflow pipeline by 60%.
- Designed a credit payment system with premium plans and integrated the application with Stripe API using Node.js to accept online payments.
- Devised a database schema using GraphQL for Amazon DynamoDB and integrated the system with Amazon Cognito to perform user authentication and email verification.
- Converted given wireframes into Vue components and designed a mobile-friendly UI to provide a better user experience across multiple devices.
- Configured AWS Amplify, AppSync, and Lambda trigger to rapidly scale up and down based on the load and internal information.
Gatsby Developer
Toptal Client
- Designed a responsive single-page application using React, Gatsby, and Tailwind CSS to display business information across various devices.
- Converted wireframes of a prototype into React components following the model-view-controller (MVC) architecture and maintaining a clean and refactored code.
- Configured Netlify with GitHub to make a seamless auto-deployment pipeline.
Vue Developer
Toptal Client
- Developed an all-in-one task management system using Vue and Node.js to allow users to create, delegate, and track their tasks, upload files, add comments, log history, etc. That reduced the overall task delegation time in an organization by 40%.
- Designed wireframes using Figma and converted them into Vue components with a mobile-friendly interface to allow users to access the system via multiple devices.
- Designed a database schema for Google Firestore and integrated Firebase authentication to allow only verified users to access the interface.
- Developed an email notification module using SendGrid's REST API to allow users to get instant updates about their tasks, increasing response time by 70%.
- Created a user activity and web traffic management system by integrating Google Tag Manager and Google Analytics. Developed custom events to track various activities on the platform, enabling A/B testing on the site's performance.
- Designed a custom search functionality using Algolia API with auto-complete suggestions, reducing the operational database costs by 33%.
- Developed unit tests using Jest for individual Vue components and integration tests using Cypress to test the functionality's end-to-end flow.
React Developer
Toptal Client
- Developed a booking application using React, Next.js, and Node.js to let users book a service online and get real-time updates on their progress, increasing the customer acquisition and retention rate by 55% in three months.
- Designed the architecture of the front end, back end, and database schema, which I then deployed on different Docker containers to achieve better load balancing, health monitoring, and scalability.
- Integrated Google Tag Manager to track custom events, such as page visits, user registrations, and event bookings, and connected it with Google Ads and Google Analytics to get user engagement insights and perform feature experiments.
- Integrated the platform with Mailgun and Twilio APIs to perform phone verification and send email acknowledgments and marketing newsletters, increasing returning users' rates by 18% following the campaign launch.
- Integrated a system with Stripe Checkout API to accept online booking payments, increasing sales by 25% with custom coupons.
Software Developer
Manipal Institute of Technology
- Developed a communication interface between students and lab teachers in an intra-network to help teachers simultaneously interact with multiple students and monitor their progress using screenshots, increasing the performance by 35%.
- Created structured documentation with a synopsis, software requirements specification (SRS), Unified Modeling Language (UML) diagrams, and a final report.
- Led a team of three developers to build new features and resolve issue tickets using Jira in an Agile environment.
Software Developer | FOSSEE Project
Indian Institute of Technology, Mumbai
- Designed a search feature for an open-source visual programming tool to help users better navigate the system.
- Fixed UI bugs related to the system's scrolling and job creation pipeline.
- Taught Python and Git workflow to a team of seven developers.
Technical Resource Team Member
IEEE Manipal
- Designed programming challenges for a coding contest with over 60 participants.
- Led a team of developers in the design of a website that displayed information about various competitions at a tech fest.
- Built a three-wheeled robot controlled by hand gestures using Arduino software for a robotics competition.
Experience
Cynosoid
Chat Box
Workshop on Web Development
Iceheal
Education
Bachelor's Degree in Information Technology
Manipal Institute of Technology - Manipal, India
Skills
Libraries/APIs
Node.js, EJS, REST APIs, Vue, Vuex, Vue 3, Google Tag Manager API, Shopify API, SendGrid API, Google Maps API, Google Maps JavaScript API 3, Stripe, Stripe API, Twilio API, AWS Amplify, Gigya
Tools
Git, Google Analytics, Let's Encrypt, GitHub, Slack, GitLab CI/CD, Facebook Ads Manager, NGINX, Postman, Stripe Checkout, Advertising Tools & Platforms, Vue Test Utils, Figma, Trello, Jira, AWS AppSync
Languages
JavaScript, CSS, HTML, Bash Script, GraphQL, TypeScript, JavaScript 6
Frameworks
Bootstrap, Sails.js, Material UI, Vuetify, Tailwind CSS, Nuxt 3, Jest, Cypress, Svelte, Laravel 5, Nuxt.js
Paradigms
Responsive Web Design (RWD), Unit Testing, E2E Testing, Serverless Architecture, Microservices Architecture, Kanban
Platforms
Ubuntu, DigitalOcean, Docker, Firebase, Amazon Web Services (AWS), Shopify, Directus, Linux, Mailgun, Netlify, Contentful, AWS Lambda, Visual Studio Code (VS Code), Algolia, Google Ads
Storage
MySQL, MongoDB, JSON, NoSQL, Cloud Firestore, Amazon DynamoDB, Google Cloud, Amazon S3 (AWS S3)
Other
Algorithms, Firebase Hosting, SwiftType, Vitest, Full-stack, Technical Leadership, Gatsby, Google Search Console, Prismic, Firebase Cloud Functions, Solution Architecture, Google Tag Manager, Information Technology, Leadership
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