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Interactive Case Studies

Varun Ganesh D (Varun Deva)

Advanced Software Engineer • Full-Stack Developer (MERN / PERN / .NET)

Professional Summary

Full-Stack Software Engineer with 4.5+ Years of hands-on experience designing and delivering scalable web applications, enterprise digital manufacturing systems, and high-performance open-source tools. Expert in React, Next.js, TypeScript, Node.js, C#, PostgreSQL, and MongoDB. Proven track record building resilient UI architectures, API services, and developer utilities.

Technical Skills

Frontend: React.js, Next.js (App & Pages Router), TypeScript, JavaScript (ES6+), TailwindCSS, WebAssembly, HTML5 Canvas.
Backend & APIs: Node.js, Express, NestJS, C#, .NET, RESTful APIs, Webhooks, Batch Jobs.
Databases & Storage: PostgreSQL, MongoDB, Microsoft SQL Server, Cloudflare R2, Mongoose, ORMs.
DevOps & Tools: Git, GitHub Actions, CI/CD, Docker, Rollup, npm package publishing, Coolify.

Work Experience

Advanced Software Engineer • Honeywell Technology Solutions Lab Pvt. Ltd

Aug 2025 — Present | Bangalore, India
Nexus is a digital application for manufacturing shop floors, serving as a Digital TAM board to streamline daily operations. It tracks key metrics like Quality (First Pass Yield), Cost (DLE), Delivery (OPH Attainment), and includes tools like OPH Tracker, A3, Xmatrics, SMESS, Genie AI chatbot, and more.

Software Engineer II • Honeywell Technology Solutions Lab Pvt. Ltd

Jul 2023 — Aug 2025 | Bangalore, India
Nexus is a digital application for manufacturing shop floors, serving as a Digital TAM board to streamline daily operations. It tracks key metrics like Quality (First Pass Yield), Cost (DLE), Delivery (OPH Attainment), and includes tools like OPH Tracker, A3, Xmatrics, SMESS, Genie AI chatbot, and more. • SMESS: Developed the checklist module ensuring compliance with safety and operational standards. • Pitch Tracker: Built a tracker for monitoring performance across varying time intervals, distinct from hour-based metrics. • Attainment Widgets: Created widgets with graphs and metrics for real-time OPH attainment insights. • Genie AI Chatbot: Integrated the chatbot UI for seamless user interactions and quick issue resolutions. • Performance Optimization: Enhanced performance and optimized the codebase for scalability and maintainability. • NEXUS 3.0: Contributed to building the upgraded version from scratch, delivering improved features and usability.

Software Engineer • Fabzen Technologies Pvt. Ltd.

Mar 2023 — Jul 2023 | Bangalore, India
• Admin Panel for 2 Games - Built the complete admin panel from scratch in React and required REST APIs for the admin panel in NestJS. • TDS implementation - Implementation of TDS calculation and deduction in withdrawal money. • Appsflyer API Integration - Integration of APIs in the backend server to create an event in Appsflyer when payment is successful after some time, which will be notified by using a webhook from the payment gateway.

Associate Software Engineer • Byju's - Think & Learn Pvt. Ltd.

Jan 2022 — Mar 2023 | Bangalore, India
Worked as a MERN and PERN stack developer in the Customer Service Orders module, with responsibilities for developing different features and custom solutions for business needs. • SSR Pages - NextJs front-end and Express back-end, PostgreSQL and MongoDB databases; CSR Order Punching application is integrated with the Orders, Payments, and Kart application APIs. SSR application used to embed in Salesforce to create service orders • UxAchieve - A post-sales user experience department application built on the MERN and PERN stacks; Customer service request approval and rejection feature with Salesforce and order API integrations • UXOS - Administration application built using the MERN and PERN stacks. The ability to manage, download, and view reports for the customer service requests and call audit modules • Batch job - using NodeJs, process a csv file and upload the data to a PostgreSQL database. • Workers - workers will assign turn-around times based on hierarchy to take action on CSRs that have been created

Trainee - Tech • Byju's - Think & Learn Pvt. Ltd.

Oct 2021 — Dec 2021 | Bangalore, India
Training sessions

Trainee - Web Development Engineer • Ignite X Labs

Jul 2020 — Sep 2020 | Remote
Built an Website for Ignite X Labs with html css and JavaScript. Used bootstrap css framework. Used php and MySQL to store the enquiry details and sent the same through e-mail by using php mailer.

Featured Products & Open Source

RaktaBandhu

(Healthcare Web App & PWA)

Built to solve urgent blood donor discovery during critical medical emergencies. Features location-based donor queries, push notifications for nearby donors, and donor privacy controls.

āœ“ Real-time location matching engineāœ“ Push notifications for emergency donor requestsāœ“ Zero-middleman direct donor connect

Privacy-First Toolbox

(Productivity & Privacy Tool)

Launched successfully on Product Hunt. Built with Web Workers, WebAssembly, and Canvas API, ensuring confidential PDFs and sensitive images never leave the user device.

āœ“ 75+ Free browser-based tools availableāœ“ 0 Bytes uploaded to external servers — 100% privateāœ“ Launched and featured on Product Hunt

React Next Google Tools

(Open Source NPM Library)

Eliminates GA4 script boilerplate and hydration bugs in Next.js 13+ App Router. Published on npm with universal TypeScript support and minimal bundle overhead.

āœ“ Version 1.1.0 active on NPM registryāœ“ Universal App Router & Pages Router & React supportāœ“ Zero external dependencies outside peer React/Next

Education

BNM Institute Of Technology — Bachelor of Engineering, Computer Science and Engineering
Jul 2018 — Jan 2021
Vivekananda Polytechnic Puttur — Diploma, Computer Science and Engineering
Jan 2015 — Jun 2018