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I’m Bibak Roy, a senior frontend engineer with 6 years of experience building scalable, high-performance web applications using React and TypeScript. I focus on performance optimization, smooth user experiences, and migrations that improve maintainability—while collaborating closely with product and design teams to ship features with confidence. Across healthcare, SaaS, and consumer-facing products, I’ve delivered measurable impact through faster UIs, better reliability, and clearer workflows—often using modern frontend patterns like code splitting, memoization, and efficient state/query management. I also bring solid backend exposure (Node.js, APIs, databases) and enjoy turning complex requirements into clean, user-friendly systems that drive engagement and growth.…I’m Bibak Roy, a senior frontend engineer with 6 years of experience building scalable, high-performance web applications using React and TypeScript. I focus on performance optimization, smooth user experiences, and migrations that improve maintainability—while collaborating closely with product and design teams to ship features with confidence. Across healthcare, SaaS, and consumer-facing products, I’ve delivered measurable impact through faster UIs, better reliability, and clearer workflows—often using modern frontend patterns like code splitting, memoization, and efficient state/query management. I also bring solid backend exposure (Node.js, APIs, databases) and enjoy turning complex requirements into clean, user-friendly systems that drive engagement and growth.

BIBAK ROY

Front-End Developer, Software Engineer, Web Developer, +2

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I’m Bibak Roy, a senior frontend engineer with 6 years of experience building scalable, high-performance web applications using React and TypeScript. I focus on performance optimization, smooth user experiences, and migrations that improve maintainability—while collaborating closely with product and design teams to ship features with confidence. Across healthcare, SaaS, and consumer-facing products, I’ve delivered measurable impact through faster UIs, better reliability, and clearer workflows—often using modern frontend patterns like code splitting, memoization, and efficient state/query management. I also bring solid backend exposure (Node.js, APIs, databases) and enjoy turning complex requirements into clean, user-friendly systems that drive engagement and growth.…I’m Bibak Roy, a senior frontend engineer with 6 years of experience building scalable, high-performance web applications using React and TypeScript. I focus on performance optimization, smooth user experiences, and migrations that improve maintainability—while collaborating closely with product and design teams to ship features with confidence. Across healthcare, SaaS, and consumer-facing products, I’ve delivered measurable impact through faster UIs, better reliability, and clearer workflows—often using modern frontend patterns like code splitting, memoization, and efficient state/query management. I also bring solid backend exposure (Node.js, APIs, databases) and enjoy turning complex requirements into clean, user-friendly systems that drive engagement and growth.

Available to hire

I’m Bibak Roy, a senior frontend engineer with 6 years of experience building scalable, high-performance web applications using React and TypeScript. I focus on performance optimization, smooth user experiences, and migrations that improve maintainability—while collaborating closely with product and design teams to ship features with confidence.

Across healthcare, SaaS, and consumer-facing products, I’ve delivered measurable impact through faster UIs, better reliability, and clearer workflows—often using modern frontend patterns like code splitting, memoization, and efficient state/query management. I also bring solid backend exposure (Node.js, APIs, databases) and enjoy turning complex requirements into clean, user-friendly systems that drive engagement and growth.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Bengali

Fluent

Work Experience

Senior Frontend Engineer at Data Tree Technology (USA) — Remote

June 1, 2025 - Present

Building a scalable solution for Kinetik’s digitally integrated healthcare system to enable seamless workflows across NEMT. Contributing to Trip Scheduler for patient and transportation provider management, trip scheduling, driver dispatch, claims tracking, and transparency dashboards for health plans and transportation providers. Enhanced performance by reducing UI latency by 40% through optimized rendering, memoization, code splitting, and lazy loading. Developing a labeling system for Patients, Trips, Transportation Providers, Notes, and Documents with advanced filtering/search. Contributing to CI/CD workflows, participating in code reviews, and ensuring smooth zero-downtime deployments.

Frontend Developer (Part-Time) at HockeyStack (USA) — Remote

December 1, 2023 - May 1, 2024

Built a visually striking, pixel-perfect, high-performance Go-to-Market analytics landing page for a Y Combinator-funded product, contributing to a 28% growth in new user sign-ups. Collaborated with UI/UX to integrate designs, improve navigation, enhance accessibility, increase customer engagement 5x, and reduce bounce rate.

Senior Frontend Developer at Supertal PTE LTD (Singapore) — Remote

June 1, 2023 - May 1, 2025

Led migration of a modular construction management SaaS platform (Offsight) from Angular.js to React.js, raw CSS to TailwindCSS, and JavaScript to TypeScript, improving development efficiency by 30% and enabling a scalable codebase. Reduced loading time by 65% via optimization, React hooks, and fewer API calls, driving a 10x boost in user satisfaction. Built production/labor/order tracking, analytics, a PDF editor like Docusign, workflow automation, reporting, forecasting, and feature/access management used by 43 global companies. Implemented real-time updates with Socket.IO, state management with Redux Toolkit, and drag-and-drop with React Beautiful DnD. Introduced agile processes, CI/CD pipelines, and unit/e2e testing to support reliable releases.

Software Engineer II at Recruit LLC (Sylhet, Bangladesh)

January 1, 2022 - May 1, 2023

Engineered Retune, a SaaS tool for building fine-tuned LLMs with GPT-3 using OpenAI APIs, enabling users to train personalized AI assistants and generate APIs for integration as chatbots/agents, serving 4000+ customers. Integrated Completions and Fine-tuning APIs, designed REST APIs with a Next.js backend, and managed MySQL with Prisma. Built chat functionality for individuals/groups in the Playroom mobile app with invitation-based joining, photo sharing, calendar event creation, and a map to locate playgrounds/parks.

Software Engineer I at Recruit LLC (Sylhet, Bangladesh)

March 1, 2021 - December 1, 2021

Spearheaded the frontend design of Beatbarrow using Flexbox and Grid with responsive SASS for cross-browser compatibility, including a music and picture upload system reaching 500+ local users. Implemented Next.js SSR and SSG for improved UX, added authentication with JWT, and supported backend integration using Node.js with GraphQL and MongoDB. Integrated Stripe payments for one-time and subscription billing.