Sachin Patel

Senior Software Engineer - Frontend

Senior Front-End Software Engineer with 14+ years of experience building scalable, high-performance web applications. Specialized in React, Next.js, TypeScript, and modern JavaScript, with early full-stack experience developing APIs and backend services to support rich UI experiences.

Proven track record of leading end-to-end delivery of customer-facing products, architecting reusable component-based solutions, and collaborating across cross-functional teams to build intuitive, maintainable, and scalable applications. Passionate about leveraging AI-assisted development to improve engineering productivity and software quality.

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Experience

Sr. Software Engineer · Pelago

Nov 2021 — Present

Global travel marketplace serving customers across 2,000+ destinations, focused on building scalable commerce, payment, and customer experience platforms.

•Led the architecture and implementation of a scalable multi-item checkout experience using React, Next.js, and TypeScript, building reusable components including Mini Cart, Cart Summary, and Cart List to improve maintainability and support future commerce capabilities
•Designed and implemented a flexible partial payment experience with multiple user entry points (email and account settings), supporting both saved and new payment methods while ensuring a seamless and consistent user experience across payment flows
•Independently owned the design and delivery of customer-facing features including Wishlist and Ticket Redemption, collaborating with product managers, designers, and backend engineers from technical design through production release
•Architected a frontend feature flag platform supporting partner-specific configurations, enabling white-label integrations such as Kris+ while reducing code duplication
•Led the migration to Stripe Payment Elements, unifying credit cards, Apple Pay, Google Pay, and PayNow into a secure, reusable payment solution while reducing transaction costs
•Improved Core Web Vitals through frontend performance optimizations, resulting in faster page loads and a smoother user experience
•Built an automated Frontend Audit reporting tool using Slackhive skills, delivering performance, accessibility, SEO, and quality insights to Slack
•Implemented browser fingerprinting and real-time behavioural tracking to deliver context-aware promotional experiences that improved checkout conversion
•Improved application observability by integrating Sentry for frontend monitoring and Datadog for server-side error tracking, accelerating issue detection and resolution
•Led an AI-assisted engineering initiative integrating Figma Code Connect, Figma MCP, and Cursor AI to improve design-to-code accuracy, encourage reuse of existing UI components, and streamline collaboration between designers and engineers

Next.jsTypeScriptReactStripeSentryDatadogCursorFigma Code ConnectFigma MCP

Sr. Software Engineer - Front-end · Zimbra (Synacor Inc.)

Sep 2018 — Nov 2021

Enterprise email and collaboration platform used by organizations worldwide.

•Designed and implemented a resilient offline synchronization framework for an Electron-based email client using SQLite and Knex.js, ensuring reliable message delivery across intermittent network conditions
•Led the end-to-end development of customer-facing features, partnering with product managers and engineering teams from technical design through agile delivery
•Modernized legacy codebases and optimized application performance, improving UI responsiveness while expanding automated test coverage with Mocha and Chai
•Contributed to the evolution of a large-scale enterprise collaboration platform by driving code quality, maintainability, and developer productivity

JavaScriptElectronSQLiteKnex.jsMochaChai

Sr. Product Engineer - Front-End · ezDI

Sep 2016 — Aug 2018

Healthcare SaaS platform for clinical documentation and medical coding.

•Led the modernization of legacy Backbone.js applications by migrating them to Angular, improving application performance, maintainability, and developer experience
•Designed interoperable frontend modules shared across multiple healthcare products, reducing duplication and delivering a more consistent user experience
•Partnered with product managers and designers to transform complex clinical workflows into intuitive, user-friendly interfaces for healthcare professionals

AngularBackbone.jsJavaScriptHealthcare SaaS

UI Developer · Azoi

Nov 2013 — Aug 2016

Health-tech startup building connected fitness and IoT products for consumer healthcare.

•Independently designed and developed responsive customer-facing websites and internal tools, delivering consistent experiences across desktop and mobile platforms
•Built real-time analytics dashboards using React and D3.js, enabling data-driven product and business decisions
•Integrated Stripe payments and developed end-to-end customer purchase experiences for consumer-facing products

JavaScriptReactD3.jsStripe

Software Developer · Tatvic

Jan 2011 — Nov 2013

Digital analytics consultancy delivering web analytics, experimentation, and conversion optimization solutions for enterprise e-commerce clients.

•Developed backend APIs and analytics integrations enabling enterprise customers to access Google Analytics data through custom reporting tools
•Built interactive data visualization dashboards and experimentation solutions that helped e-commerce clients improve user engagement and conversion rates

PHPD3.jsGoogle Analytics