App LogoApp name
JS

John Christopher Sotero

Open to work5 years experience

Front-End Engineer

Lot 13 Block 5 Mayumi, Sta. Rita, Olongapo City, Philippines, 2200Target Roles: Backend Engineer • Full-Stack Developer • Frontend Specialist

Front-End Engineer (ReactJS)

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Standing Rank

Rank Not Available

Developer Badges

Badges Pending

Skills & Technologies

23 skills
javascripttypescriptreactjsnextjsgraphqlapollo clienttanstack queryredux/redux toolkitzustandreact hook formzodyuphtmlcsstailwind csspanda cssshadcn/uiant designchakra ureact testing libraryjestgitnx monorepo

Work Experience

Front-End Engineer

ScaleForge, Philippines

Jan 2023 - Present Remote
  • Continued frontend development 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.
  • Develop multiple brands into responsive, production-ready interfaces using React, Next.js, and TypeScript.
  • Converted Figma designs into responsive, production-ready interfaces and implemented reusable component libraries using shadcn/ui and TailwindCSS.
  • Implemented real-time and efficient data handling using GraphQL, Apollo Client, and TanStack Query, improving application responsiveness and caching strategies.
  • Architected type-safe form systems using React Hook Form and Zod, improving reliability and reducing runtime validation issues Implemented scalable state management solutions using Redux Toolkit and Zustand
  • Collaborated with cross-functional teams of backend engineers, DevOps, QA, and fellow frontend developers throughout the delivery cycle.

Front-End Engineer

High Output Ventures, Singapore

Jun 2021 - Jan 2023 Remote
  • 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.
  • Shipped 13 iGaming websites under a shared Nx monorepo, enabling consistent code sharing and independent brand deployments.
  • Used GraphQL and Apollo Client to integrate with backend services across portal and backoffice features.
  • Built backoffice features covering account management, financial transactions, dashboards, site configurations, and reports.
  • Implemented SEO best practices on customer-facing portals including semantic HTML, metadata management, SSR-friendly routing, and performance optimizations.
  • Worked alongside a large team spanning backend, DevOps, QA, and frontend disciplines.

Projects

Projects Not Populated

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Leaderboard Standings

Leaderboard Position Pending

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Assessment Highlights

Assessments Not Completed

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AI Collaboration Score

AI Collaboration Score Pending

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Role Compatibility Profile

Role Compatibility Analysis Pending

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Achievements

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About Details

Professional Bio

Results-driven Frontend Engineer with 5 years of experience building large-scale, multi-tenant B2B SaaS platforms across the iGaming industry. Specializes in ReactJS, Next.js, and TypeScript, with a strong track record of delivering scalable, high-performance user interfaces.

Bachelor of Science in Computer Engineering

Columban College, Philippines (2012 - 2017)

Languages: English, Hindi
Email: Locked