High-Performance Web Apps
Fast, conversion-focused web experiences that are maintainable, scalable, and built for growth.
Senior full-stack engineer and Nexrena founder, based in Kissimmee, FL. I build production web apps, APIs, and cloud infrastructure for remote US teams—from interface to database.

Full-stack web apps, APIs, and cloud infrastructure for B2B and e-commerce — scoped for speed, maintainability, and measurable outcomes after launch.
Outcomes from shipped client work — not agency estimates.
Fast, conversion-focused web experiences that are maintainable, scalable, and built for growth.
Practical AI workflows that reduce manual work, accelerate delivery, and improve decision speed.
Reliable cloud foundations designed for uptime, flexibility, and long-term operational efficiency.
Clear analytics pipelines and reporting that translate raw data into meaningful business actions.
Architecture-level guidance to prioritize the right technical investments and reduce costly rework.
Astro / Next.js / B2B
Rebuilt a complex industrial adhesives catalog into a clean B2B storefront that helps buyers find products faster and place orders with less friction.
React / AWS / E-Commerce
Modernized a legacy commerce stack with a headless setup focused on speed, maintainability, and conversion-oriented UX.
Shopify / React / Liquid
Moved a traditional industrial sales process into a modern online storefront that supports global buyers and partner channels.
Next.js / PostgreSQL / B2B
Simplified a complex procurement workflow for large furniture packages so teams can quote, coordinate, and move projects forward faster.
Stakeholder feedback from B2B and e-commerce projects I led as senior engineer. Full ROI case studies live on Nexrena.
"Literally the best single website contact in the history of the company. Your website and all of our marketing efforts drove that. Excellent engagement from a HUGE potential customer."
"I highly recommend Nicholas. Working with him has been a pleasure due to his friendly and supportive attitude. Nico is always willing to help with ongoing tasks and provides valuable suggestions and input. His front-end development, design, and digital marketing skills are outstanding, making him a great asset to any team."
"When the website launched we had some of our best years during the peak covid rental boom. We were and are an authority in our space, because of our presentation and design skills. The website just makes that more clear to our audience"
Agency · B2B delivery
Nexrena is my B2B web design and growth agency for Central Florida and US teams—conversion-focused builds, SEO, and case studies with measured business impact.
Visit Nexrena.comBusiness case studies (ROI & conversions)
Personal portfolio here · Agency outcomes at Nexrena
Hiring for a senior full-stack role? I'd love to hear about your team, stack, and what you're building.