Engineering Manager • Lead Frontend Engineer • 2× Y Combinator Founding Team Member

For more than 12 years, I've been building SaaS products with startups. Over the years, I've worked as an Engineering Manager, Staff Engineer, Tech Lead, and Full Stack Engineer, helping take products from idea to production.

I enjoy building products, solving product problems, and creating thoughtful experiences people genuinely enjoy using.

• LinkedIn: https://linkedin.com/in/birajweb
• Email: birajghosh07@gmail.com

• 🚀 SaaS & Engineering Leadership
• 💡 Founder
• 🌱 Early Career
• ❤️ Open Source
• 🛠 Tech Stack
• 🎓 Education
• 📫 Contact

2019 – 2026

• Engineering Manager (Jul 2025 – Jul 2026)
• Platform Staff Engineer (Oct 2024 – Jul 2025)
• Engineering Manager, Catalog & Curriculum (Dec 2022 – Oct 2024)
• Technical Lead (Jan 2022 – Dec 2022)
• Lead Frontend Engineer (Jan 2019 – Dec 2021)

• Managed the Catalog, Curriculum, and Data Client Experience teams, 11 people total across tech leads, engineers, QA, and product, distributed across US, Brazil, Mexico, Poland, and India time zones, owning 1:1s, performance reviews, hiring, and delivery.
• Partnered directly with the CTO on product strategy, architecture, and technical direction, and worked daily with product managers and designers to deliver predictable roadmap execution across three product areas.
• Drove adoption of AI-assisted development across my teams, integrating AI tooling into daily coding and code-review workflows while maintaining a high standard of code quality.

• Built an OAuth 2.0 Authorization Server enabling customers to connect Coursedog's MCP through Claude or other AI tools with their own credentials instead of shared service accounts.
• Led the engineering foundation of a self-service CSV import platform, cutting manual engineering effort by 80%+.
• Replaced a costly custom PDF generation pipeline with a managed service, significantly cutting costs by 60%+.
• Built Drag & Drop Page Designer with per-university custom theming options, serving Stanford, Duke, CUNY, and dozens of other universities.
• Rebuilt the public Catalog experience to a 95 Lighthouse score (from 35) via SSR and performance optimization, and led its WCAG accessibility compliance.

• Took Catalog from an idea to a standalone monetizable product.
• Built multiple MVPs that evolved into core Coursedog products, including primary offerings like the Curriculum platform and its requisite system.
• Founding engineer on Scheduling, now one of Coursedog's flagship products.

Senior Frontend Developer

2019

• Built the core student learning journey for Edyst's online learning platform, contributing to a product that helped 180,000+ learners develop technical skills and enabled 40,000+ students to secure jobs.

Lead Frontend Developer

2018 – 2019

• Built the core investment journey, designing onboarding, investment, and portfolio creation experiences.

Founder

2018

• Built and launched a productivity SaaS application combining project management, customizable workspaces, daily Kanban, calendars, and themes.
• Owned the entire product lifecycle from product design and engineering to launch and successful exit.

🎥 Launch Video: https://www.youtube.com/watch?v=dpElZO1m4KQ

📝 Story: https://medium.com/oncebot/why-i-made-my-own-productivity-tool-9618571958a2

Fullstack Developer

2016 – 2018

• Rebuilt a healthcare appointment platform from the ground up using Laravel and MySQL, modernizing the application architecture and delivering the product into production.

Fullstack Developer

2015 – 2016

• Delivered full-stack applications for multiple clients, leading projects from discovery through production deployment.
• Promoted to Assistant Team Lead, mentoring engineers and helping the team adopt newer development practices.
• Built Amader Malda, a business directory platform, as part of the company's product portfolio.

Fullstack Developer

2014 – 2015

• Developed backend systems and frontend templates for client web applications.

Built open-source libraries and developer tools for the JavaScript and Vue.js ecosystem.

A lightweight JavaScript drawer library for creating sliding sidebars and navigation drawers.

⭐ 917 GitHub stars

📦 Published on npm

🌐 Available via CDN

📺 Featured in a 4-part tutorial series by FalconMasters, a leading Spanish web development education platform.

🔗 GitHub: https://github.com/oncebot/pushbar.js

🎥 FalconMasters Tutorial: https://www.youtube.com/watch?v=DTIm2nZ6yqg&list=PLhSj3UTs2_yUxIlsx-GYK-sLa_qFkuNO

A lightweight JavaScript library for creating stackable, dependency-free modals.

⭐ 295 GitHub stars

🔗 GitHub: https://github.com/oncebot/popbox.js

A touch-enabled drawer component for Vue.js.

⭐ 44 GitHub stars

🔗 GitHub: https://github.com/oncebot/Drawer.vue

A Vuex module generator that automatically creates getters, mutations, actions, loading states, and reset functionality from a simple configuration.

📦 Published on npm

📚 Inclusion in the official Awesome Vue curated repository. vuejs/awesome-vue#2610

🔗 GitHub: https://github.com/oncebot/vuex-module-builder

Engineering Management • Performance Management & Coaching • Hiring & Team Building • Distributed/Remote Team Leadership • Product & Design Partnership • Roadmap Planning & Delivery • AI Adoption & Team Enablement

Vue.js • Nuxt.js • React.js • Next.js • TypeScript • JavaScript • UI Architecture & Design Systems • Web Performance • Accessibility (WCAG) • Tailwind CSS

Node.js • Express • MongoDB • MySQL • REST APIs • OAuth 2.0

Vitest • Jest • Cypress • CI/CD (GitHub Actions)

Malda Polytechnic • 2010 – 2013

Dr. B.C. Roy Engineering College • 2013 – 2014

• LinkedIn: https://linkedin.com/in/birajweb
• GitHub: https://github.com/oncebot
• Email: birajghosh07@gmail.com