TUNIR SAHA

• 2024 - 2026 Lead Engineer BENGALURU
  • Architected a feature-authoring platform that lets financial institutions map their systems to FICO systems for downstream analytics - Microfrontends with Angular 20, TypeScript and Module Federation on AWS, including embedded MFEs that expose business terms and features to other teams.
  • Engineered Node.js Backend-for-Frontend (BFF) API layers, giving the frontend a stable contract with the asset service.
  • Automated testing with Jest and Playwright to catch regressions before release.
  • Won the worldwide AWS Cost Optimization Hackathon with a custom XGBoost model trained on AWS usage data, which identified 17,000 savings parameters worth $4M a year.
• 2022 - 2024 Senior System Analyst BENGALURU
  • Engineered a Microfrontend solution for a logistics platform using Module Federation and Angular 14, with multiple independently deployed TypeScript applications.
  • Pioneered a reusable React 18 UI Component Library that cut development time 40% for a global financial markets client, and resolved state-handling and performance bottlenecks across its enterprise UI.
  • Developed Node.js REST services backed by PostgreSQL and MongoDB, running on AWS and Azure.
  • Modernized legacy enterprise UIs by refactoring tightly coupled modules into reusable components, and enforced quality through architecture reviews and Playwright end-to-end tests.
• 2021 - 2022 App Dev Specialist / Lead BENGALURU
  • Designed distributed enterprise applications for a global technology client using Angular 12, React 17, TypeScript, Node.js, PostgreSQL and MongoDB, running on AWS and GCP.
  • Boosted application performance 30% across LCP and load time by modularizing data handling, reducing render times and optimizing API usage.
  • Led a team of 6 developers, balancing feature delivery with technical debt reduction.
• 2020 - 2021 Associate Technical Lead REMOTE
  • Orchestrated end-to-end development of the Bluwyre MVP with React 16, Node.js and a shared UI Component Library - a distributed, Kafka-backed omnichannel messaging platform where businesses connect their software once and send any message over WhatsApp, Viber or Telegram.
  • Migrated legacy PHP/MySQL modules to Node.js REST APIs, delivered cross-platform mobile apps with Ionic, and managed deployments and media pipelines on AWS.
  • Led 15 mobile and web developers across 2 cross-functional teams for an international telecom client.
• 2020 Senior Software Engineer KOLKATA
  • Engineered distributed, event-driven real-time dashboards for healthcare IoT products with Angular 8, Node.js, MongoDB, MySQL, Socket.IO and an EMQX MQTT broker on AWS.
  • Contributed to Ionic companion mobile apps and core PHP/MySQL admin modules, and collaborated with the embedded team on IoT firmware integration and telemetry.
• 2014 - 2020 Associate KOLKATA
  • Engineered a B2B bullion trading platform with React 16, Node.js and PostgreSQL for a global bank.
  • Developed an IoT dashboard with Angular 6, Node.js and PostgreSQL for an auto finance client, streaming telematics from leased vehicles through an EMQX MQTT broker for tracking and geofencing.
  • Designed an end-to-end distributed document processing system with Angular 4, Node.js, AWS SQS, PostgreSQL and MongoDB for a global education client.
  • Created a no-code CMS/LMS for EdTech with a drag-and-drop page builder, using Angular 2 and a custom PHP backend.
  • Extended Liferay for a healthcare client and Salesforce business modules for a large hospitality client, developing UI and injecting custom JavaScript to override platform behavior.
  • Implemented WCAG AA accessibility for a global airline's website with HTML5, custom CSS3, jQuery and JavaScript.

Things I build outside client work. All of these are live - flip a card for the detail, then go use it.

• BillMate - GST invoicing for Indian businesses
• Between - meeting point finder
• Buttons - one-tap tracker for feeds, naps and anything you count
• SocietyKit - housing society management