John Christopher Sotero
About Candidate
Senior Frontend Engineer with a strong track record of building scalable, high-traffic web applications using React, Next.js, and TypeScript.
I specialize in developing complex, enterprise-level platforms. Most recently, I’ve contributed to a large multi-tenant system supporting multiple brands, payment integrations, real-time data workflows, promotional engines, and role-based backoffice tools for managing users, financial transactions, and platform content. This experience has strengthened my ability to design scalable UI architectures, optimize performance, and deliver reliable, production-ready solutions.
My core strengths include building reusable component systems, implementing efficient data-fetching strategies with GraphQL, and creating clean, maintainable frontend architectures that scale with business needs. I enjoy solving complex problems, improving developer experience, and turning challenging requirements into intuitive user interfaces.
Beyond technical work, I actively collaborate with cross-functional teams, mentor junior developers, and continuously explore new technologies as I expand toward fullstack development with Node.js and modern backend frameworks.
I’m currently open to global remote opportunities where I can help teams build scalable products, improve frontend architecture, and deliver high-impact user experiences.
Location
Work & Experience
Worked on an iGaming platform serving UK operators and clients, building both customer-facing websites and admin backoffice tools using Next.js, React, and TypeScript. Contributed to a multi-tenant, multi-brand architecture where a single deployment supported multiple operator brands with isolated configurations.
Frontend developer on an iGaming platform serving Australian operators and clients, building both customer-facing web portals and backoffice tools. Contributed to a large-scale multi-tenant platform supporting multiple brands, featuring SEO optimization, payment integrations, game provider APIs, promotional systems, and dynamic site configurations. Built and maintained a role-based Backoffice system (Admin & Operator portals) enabling management of player accounts, financial transactions (deposits/withdrawals), promotions, and platform content.
