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Full-stack product engineer focused on building and shipping secure, maintainable, customer-facing SaaS applications and AI-enabled workflows. Strong hands-on experience across Next.js, React, TypeScript, Supabase/PostgreSQL, Stripe, authentication, and REST APIs, with a product-ownership mindset from architecture through deployment and production support. Builds simple, practical MVPs that solve real user problems without unnecessary complexity. Experienced integrating OpenAI-powered features, designing structured AI outputs and human-in-the-loop review flows, and delivering reliable dashboards, auth systems, and payment/subscription functionality.…Full-stack product engineer focused on building and shipping secure, maintainable, customer-facing SaaS applications and AI-enabled workflows. Strong hands-on experience across Next.js, React, TypeScript, Supabase/PostgreSQL, Stripe, authentication, and REST APIs, with a product-ownership mindset from architecture through deployment and production support. Builds simple, practical MVPs that solve real user problems without unnecessary complexity. Experienced integrating OpenAI-powered features, designing structured AI outputs and human-in-the-loop review flows, and delivering reliable dashboards, auth systems, and payment/subscription functionality.

Sebastian Vegas

Full Stack Developer, Web Developer, Software Engineer, +2

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Full-stack product engineer focused on building and shipping secure, maintainable, customer-facing SaaS applications and AI-enabled workflows. Strong hands-on experience across Next.js, React, TypeScript, Supabase/PostgreSQL, Stripe, authentication, and REST APIs, with a product-ownership mindset from architecture through deployment and production support. Builds simple, practical MVPs that solve real user problems without unnecessary complexity. Experienced integrating OpenAI-powered features, designing structured AI outputs and human-in-the-loop review flows, and delivering reliable dashboards, auth systems, and payment/subscription functionality.…Full-stack product engineer focused on building and shipping secure, maintainable, customer-facing SaaS applications and AI-enabled workflows. Strong hands-on experience across Next.js, React, TypeScript, Supabase/PostgreSQL, Stripe, authentication, and REST APIs, with a product-ownership mindset from architecture through deployment and production support. Builds simple, practical MVPs that solve real user problems without unnecessary complexity. Experienced integrating OpenAI-powered features, designing structured AI outputs and human-in-the-loop review flows, and delivering reliable dashboards, auth systems, and payment/subscription functionality.

Available to hire

Full-stack product engineer focused on building and shipping secure, maintainable, customer-facing SaaS applications and AI-enabled workflows. Strong hands-on experience across Next.js, React, TypeScript, Supabase/PostgreSQL, Stripe, authentication, and REST APIs, with a product-ownership mindset from architecture through deployment and production support.

Builds simple, practical MVPs that solve real user problems without unnecessary complexity. Experienced integrating OpenAI-powered features, designing structured AI outputs and human-in-the-loop review flows, and delivering reliable dashboards, auth systems, and payment/subscription functionality.

Skills

Experience Level

Expert

Expert

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Expert

Language

Work Experience

Full-Stack Engineer at SoundPlanet

August 1, 2025 - December 31, 2025

Built a full e-commerce ticketing platform with customer accounts, event workflows, ticket purchasing, and payment functionality. Developed responsive React customer-facing interfaces and backend-integrated features. Implemented Stripe-powered payment flows and subscription-related functionality, integrated Resend for transactional email workflows (including order confirmations), and built authentication, account management, ticketing, and data-driven product features. Improved platform architecture, component consistency, usability, and overall product reliability.

Full-Stack Engineer

January 1, 2025 - July 31, 2025

Delivered full-stack web application features by connecting React/Next.js interfaces to APIs, databases, authentication, and business logic. Contributed to application architecture, debugging, maintenance, and performance improvements, using GitHub-based collaboration through pull requests and iterative product development.

Full-Stack Product Engineer at Way of Glory Payments

January 1, 2025 - Present

Built and maintained Next.js/React/TypeScript customer-facing onboarding workflows, operational dashboards, and SaaS interfaces. Integrated frontend applications with backend APIs, authentication systems, Supabase services, and PostgreSQL-backed workflows, with responsive UI systems using Tailwind CSS. Contributed to payment platform architecture and customer-facing payment experiences, including Stripe integrations. Worked across frontend and backend to deliver reliable and maintainable product features, collaborating via GitHub pull requests and feature branching to incorporate iterative product feedback.

Frontend Engineer at Dynamic Federal Solutions

June 1, 2023 - June 30, 2025

Developed responsive web applications using React/Next.js, TypeScript, JavaScript, HTML5, CSS3, and Tailwind CSS. Built reusable component architectures for dashboards, operational workflows, and customer-facing product experiences. Integrated interfaces with REST APIs and authentication systems, and implemented secure, usable, data-driven workflows with performance in mind. Participated in debugging, code reviews, feature delivery, technical discussions, and Agile development; translated product requirements and visual references into production-ready interfaces.