Oct 2021 – Present · 4 yrs 8 mos

Oct 2019 – Jan 2022 · 2 yrs 3 mos

Nov 2017 – Oct 2019 · 1 yr 11 mos

• Following my promotion to Senior Software Engineer, I took ownership of critical platform initiatives across experimentation, frontend architecture, and data infrastructure.
• ● Server-side A/B Testing Platform
• Built the MVP for server-side A/B testing end-to-end and scaled it into a production-grade platform.
• Led and mentored a team of engineers and QA to expand functionality and reliability.
• Open-sourced and maintained server-side SDKs in Node.js, PHP, Python, .NET, Java, and Ruby under Wingify.
• ● Wingify Unified Frontend Platform
• Researched, designed, and laid the foundation for a unified frontend architecture across products.
• Introduced a scalable, reusable component system using Vue.js, Vuex, TypeScript, ES6, Webpack, Jest, Lerna, and Yarn.
• Enabled faster development, consistency, and long-term maintainability across teams.
• ● VWO Insights (Heatmaps & Recordings)
• Built an intuitive heatmaps and session recordings interface focused on usability and performance.
• Open-sourced across-tabs, a JavaScript library for cross-origin browser tab communication (~1,500 GitHub stars).
• Designed and implemented a clustered Node.js architecture for CPU-intensive workloads such as heatmap screenshot generation and session replay GIFs.
• ● VWO Core JavaScript Library
• Designed core architecture enhancements including Global Goals and delayed tracking via event queues.
• Contributed to CDN-level optimizations written in Lua, improving reliability and performance at scale.
• ● Data Layer & Migration
• Owned backend data access and read-layer implementation using Node.js, including complex database queries.
• Played a key role in database migration, improving data access performance and overall application speed.
• ● Engineering Productivity
• Automated builds and workflows using Jenkins, improving CI/CD reliability.
• Delivered multiple performance optimizations, feature enhancements, and platform improvements across products.

Jun 2014 – Nov 2017 · 3 yrs 5 mos

• Worked across multiple high-impact initiatives that expanded platform capabilities, data intelligence, and user experience.
• ● Open Source Contributions
• Open-sourced and maintained key projects under Wingify, including angular-time-picker and across-tabs(2k+ stars on GitHub), contributing to the broader developer ecosystem.
• ● Conversion Rate Optimization (CRO) Platform
• Built end-to-end visitor journey tracking to enable conversion optimization using funnels, heatmaps, and session recordings.
• Enabled data-driven decision-making for product and marketing teams.
• ● Bayesian Statistics & Experiment Analysis
• Implemented Bayesian-powered experimentation insights with intuitive, user-friendly interfaces.
• Designed and visualized advanced statistical graphs including bell curves, potential loss, and box-and-whisker plots to improve experiment interpretation.
• ● Product Features & User Experience
• Pilot: Designed an intuitive onboarding experience to accelerate time-to-value for new users.
• In-app Announcements: Built a scalable system to notify users about product updates and feature releases.
• Scrollmaps & AreaStats: Visualized user engagement by highlighting the most interacted areas of a webpage.
• Graph Annotations: Enabled contextual markers on analytics charts to correlate data with real-world events.
• ● Metrics & Analytics
• Built a metrics dashboard with cohort analysis to analyze internal product usage and performance trends.
• ● Quality & Testing
• Designed and implemented an end-to-end (E2E) testing framework for the AngularJS application, improving reliability and release confidence.

Jan 2014 – Mar 2014 · 2 mos · Greater Delhi Area