Saad Zakaullah Ahmad
Overview
5
5
years of professional experience
Work History
Software Engineer
Pegasystems
05.2025 - 04.2026
- Led the migration of an entire package from JavaScript to TypeScript — using strict typing, eliminating all implicit any usage and adding namespace-aware type definitions.
- Led the development of dual-schema namespace type system (118 TypeScript types, 6 type-guard files) across 6 components to enable PegaPlatform._-prefixed property handling, unblocking the product’s multi-tenant support.
- Accelerated test coverage by leveraging AI to author 2,000+ lines of unit tests in under 3 days, achieving 90%+ coverage for 3 complex packages using Jest and React Testing Library.
- Built an internal Copilot AI agent leveraging architectural docs to help architects explore design options, clarify trade-offs, and accelerate architectural decision-making through conversational AI.
- Actively participated in code reviews, ensuring adherence to clean code principles and software design best practices.
Software Engineer- Frontend
Recruiterflow
10.2023 - 05.2025
- Leveraged PWA (Progressive Web App) capabilities to develop mobile support for adding prospects and contacts, enabling recruiters to efficiently manage leads on the go, resulting in increase in mobile user engagement and improved flexibility for users.
- Improved Lighthouse scores by 13%, using ARIA attributes, WCAG guidelines, and Core Web Vitals(CLS) optimizations.
- Integrated Amplitude for funnel and behavior tracking, and Sentry for real-time error observability — enabling data-driven product decisions across teams.
- Optimized performance by implementing infinite scroll in note logs within our Chrome web extension, resulting in reduction in server load and smoother user interactions.
- Led the implementation of a feature flag-driven UI toggle, enabling gradual roll-out of a redesigned header and sidebar, allowing product teams to assess adoption and roll back without a redeploy.
SDE-1 Frontend
Bukuwarung
07.2022 - 05.2023
- Led the end-to-end development of a comprehensive transaction page, providing detailed insights into merchant transaction, enhancing data visibility, and reducing customer support inquiries by 30%.
- Spearheaded the development of QRIS Dashboard, empowering agents to track transactions, resulting in an increase in transaction tracking efficiency and enhancing financial transparency.
- Implemented transaction flags on payment-dashboard, enabling agents to filter transactions based on risk activities, as a part of the User-trust team, enhancing fraud detection capabilities and strengthening the platform security.
Assistant Systems Engineer
Tata Consultancy Services
05.2021 - 06.2022
- Developed responsive web interfaces from design mock-ups as part of the front-end team, gaining foundational exposure to web standards and UI implementation.
Education
B.Tech -
Integral University
Lucknow01-2020
Skills
JavaScript (ES6+), TypeScript, React, Next.js (SSR), Node.js, HTML, CSS, Redux, GraphQL, Jest, React Testing Library, CI/CD, Git, Tailwind, Performance Optimization, Design Systems (Material UI, Ant Design, Bootstrap), Web Accessibility (ARIA), Amplitude, Sentry
Timeline
Software Engineer
Pegasystems
05.2025 - 04.2026
Software Engineer- Frontend
Recruiterflow
10.2023 - 05.2025
SDE-1 Frontend
Bukuwarung
07.2022 - 05.2023
Assistant Systems Engineer
Tata Consultancy Services
05.2021 - 06.2022
B.Tech -
Integral University