Hritwik Dutta

About Hritwik Dutta

Full-Stack Software Engineer with 4+ years of experience delivering scalable, reliable, and user-focused applications in the business travel and real estate domains. Skilled across Java, Spring Boot, React/Redux, JavaScript, Node.js, and AWS, with expertise in designing and optimizing systems end-to-end—from backend microservices to responsive UI. At American Express GBT (Egencia):• Reduced Google API costs by 85%(~$200K annually) through smarter JavaScript-based integrations and performance tuning.• Built a brand-code integration pipeline enabling Expedia-style brand mapping, centralizing data in DynamoDB for downstream services.• Optimized hotel rate verification processes with redesigned cron logic, improving efficiency by 80%.• Modernized internal tools for client-preferred hotels and loyalty programs, enhancing UX, access control, and data integrity. At Housing.com (REA Group):• Implemented SEO strategies that doubled organic traffic and generated $20M+ annual leads.• Developed and optimized React/Redux, Node.js, HTML/CSS, and JavaScript UIs for search results and project pages, following best practices (lazy loading, server side rendering, optimized React hooks).• Improved platform reliability by reducing 5xx/404 errors by 80% and significantly enhancing web vitals (CLS, LCP). Strong believer in system design, observability, and cross-functional collaboration. Passionate about building high-impact systems, optimizing at scale, and mentoring and learning from people around me.

Experience

1. Software Development Engineer Ii

   American Express Global Business Travel

   Sep 2023 — Present · Bellevue, WA, US

Education

• California State University - East Bay

  Master of Science - MS

  2021 — 2023

• Netaji Subhas Institute of Technology

  Bachelor of Engineering - BE

  2015 — 2019