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Gian Esguerra

@gianesguerra

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Senior Full Stack Developer focused on product-led SaaS platforms.

Philippines

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What I'm looking for

I seek a product-focused role building scalable SaaS platforms, owning end-to-end features, collaborating with Product/Design, and working in a remote-friendly, engineering-driven culture that values measurable impact and continuous improvement.

I am a Senior Full Stack Developer with 6+ years building and scaling product-led SaaS platforms across domains like e-learning, scientific research, and business intelligence. I take end-to-end ownership of features, collaborating closely with Product and Design to deliver intuitive UX and high-performance systems.

I build modern frontends with React, TypeScript, and Next.js and architect scalable backends using Node.js, Python (FastAPI), and Rust (Axum), while managing cloud infrastructure on AWS and CI/CD with GitHub Actions. I have led migrations from legacy monoliths to microservices, integrated billing and SSO systems, and improved platform throughput and deployment velocity.

I mentor engineers and establish engineering best practices to raise quality and reduce rework. I am passionate about shipping tools that improve user workflows and drive measurable outcomes for customers.

Experience

Work history, roles, and key accomplishments

Senior Full Stack Developer

Be Structured Technology Group

Jun 2021 - Jan 2026 (4 years 7 months)

Led full-stack development of three SaaS platforms serving 1,000+ active users, architecting multi-tenant APIs and cloud infrastructure that improved throughput by 35–45% and ensured 99.9% uptime.