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I'm a software engineer with 3+ years of experience building production web and mobile apps using Next.js, React, TypeScript, Flutter, and Shopify. I'm comfortable owning features end-to-end—from requirements analysis and system design through implementation, deployment, and post-launch maintenance—with strong fundamentals across front-end, back-end, and cloud infrastructure. I continuously build side projects to deepen my understanding of modern engineering practices and AI-assisted development workflows.…I'm a software engineer with 3+ years of experience building production web and mobile apps using Next.js, React, TypeScript, Flutter, and Shopify. I'm comfortable owning features end-to-end—from requirements analysis and system design through implementation, deployment, and post-launch maintenance—with strong fundamentals across front-end, back-end, and cloud infrastructure. I continuously build side projects to deepen my understanding of modern engineering practices and AI-assisted development workflows.

Yulius Kevin

Full Stack Developer, Web Developer, Front-End Developer, +5

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I'm a software engineer with 3+ years of experience building production web and mobile apps using Next.js, React, TypeScript, Flutter, and Shopify. I'm comfortable owning features end-to-end—from requirements analysis and system design through implementation, deployment, and post-launch maintenance—with strong fundamentals across front-end, back-end, and cloud infrastructure. I continuously build side projects to deepen my understanding of modern engineering practices and AI-assisted development workflows.…I'm a software engineer with 3+ years of experience building production web and mobile apps using Next.js, React, TypeScript, Flutter, and Shopify. I'm comfortable owning features end-to-end—from requirements analysis and system design through implementation, deployment, and post-launch maintenance—with strong fundamentals across front-end, back-end, and cloud infrastructure. I continuously build side projects to deepen my understanding of modern engineering practices and AI-assisted development workflows.

Available to hire

I’m a software engineer with 3+ years of experience building production web and mobile apps using Next.js, React, TypeScript, Flutter, and Shopify. I’m comfortable owning features end-to-end—from requirements analysis and system design through implementation, deployment, and post-launch maintenance—with strong fundamentals across front-end, back-end, and cloud infrastructure.

I continuously build side projects to deepen my understanding of modern engineering practices and AI-assisted development workflows.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

Indonesian

Fluent

English

Advanced

Work Experience

Full Stack Web Developer at Equinox Technology LLC

July 1, 2024 - November 2, 2025

Maintained and enhanced 6–7 company-owned websites across Shopify, WordPress, and Next.js, ensuring reliability, fast load times, and a unified brand experience. Developed and optimized custom Shopify Liquid templates to improve checkout flow and boost conversions, contributing to an all-time high GMV across e-commerce platforms. Implemented new features and performance fixes using Tailwind CSS, Node.js, and ElYs i a JS, and Supabase, leading to faster load times and improved site responsiveness. Integrated Stripe and PayPal payment systems with robust security, achieving a high transaction success rate. Improved SEO performance and user experience, driving higher organic traffic and longer session durations. Streamlined content management workflows using Strapi CMS, enabling non-technical teams to publish content 3x faster. Managed deployment pipelines and uptime monitoring on AWS, reducing deployment time and outages by over 30%.

Front End Engineer at PT Rupa Aestetika Teknologi Aktual

July 1, 2024 - July 1, 2024

Delivered responsive, high-performance web interfaces using React.js and Laravel Blade, increasing mobile engagement and user retention. Translated complex UI/UX designs into modular, maintainable components, cutting design-to-development cycles by 40%. Collaborated with designers and back-end engineers to streamline workflows, improving release consistency and team velocity. Optimized front-end rendering and code efficiency, reducing load times and boosting Google Lighthouse performance scores. Built reusable internal UI libraries, standardizing design systems and accelerating feature delivery.

Front End Engineer at PT Rupa Aesthetic Teknologi Aktual

July 1, 2024 - July 1, 2024

Delivered responsive, high-performance web interfaces using ReactJS and Laravel Blade, increasing mobile engagement and user retention. Translated complex UI/UX designs into modular, maintainable components, cutting design-to-development cycle by 40%. Collaborated with designers and backend engineers to streamline workflows, improving release consistency and team velocity. Optimized front-end rendering and code efficiency, reducing load times and improving Google Lighthouse scores. Built reusable internal UI libraries, standardizing design systems and accelerating feature delivery.

Software Developer at PT Rancang Nusantara Teknologi

December 1, 2025 - Present

Led the design and delivery of production-grade web and mobile software solutions for diverse clients across Next.js, Astro, Flutter, TypeScript, and Dart stacks. Built full-stack applications with Supabase as the backend platform, implementing authentication, database schemas, row-level security, and REST API integrations. Developed cross-platform mobile applications using Flutter with reusable widgets, consistent UI behavior, and clean state management patterns. Implemented containerized development and deployment workflows with Docker, improving environment consistency and reducing onboarding time for new contributors. Owned features end-to-end—from requirement analysis and system design through implementation, deployment, and ongoing maintenance. Deployed and maintained applications on AWS EC2 and DigitalOcean, including server configuration, containerized services, and domain/DNS setup.

Full-Stack Developer at Equinox Technology LLC

July 1, 2024 - December 31, 2025

Designed, developed, and maintained multiple production e-commerce and content systems on Shopify, WordPress, and Next.js, delivering live customer-facing traffic. Built and customized Shopify themes and Liquid components, extending platform functionality with custom product pages, checkout flows, and theme sections to meet specific business requirements. Implemented performance optimizations and refactors that improved page load times and reduced layout shifts on key e-commerce pages. Integrated third-party services including payment gateways and CMS platforms to ensure transactional reliability and operational stability. Managed deployment workflows and cloud infrastructure, supporting continuous updates, environment parity, and system uptime.

Front-End Engineer at PT Rupa Aestetika Teknologi Aktual

December 1, 2022 - July 31, 2024

Developed responsive, maintainable front-end applications using React and Laravel Blade, delivering pixel-accurate UI/UX implementations. Translated UI/UX designs from Figma into modular component-based architectures with clear separation of concerns and reusable design patterns. Collaborated closely with back-end engineers to design and consume REST APIs, accelerating feature delivery across the stack. Improved front-end performance and code structure through targeted refactoring and component decomposition.

Full-Stack Developer (Volunteer) at Zero Stunting 2024 Non-Profit Web Platform

January 1, 2024 - December 31, 2024

Designed and implemented a full-stack donation platform for a non-profit: payment gateway integrations for secure online donations, plus a custom CMS-based system for content and donor data management with a tailored database schema and API workflows.

Moodflix — AI Movie & TV Discovery App at Moodflix (Personal Project)

January 1, 2026 - Present

Designed and built a personal-project AI movie discovery web app using Next.js, React, TypeScript, Supabase, Gemini/OpenAI, delivering real-time genre-aware recommendations via a server-first data layer, IRIS-based content feed, and per-user authentication.

AI PDF Analyzer at Personal Project

January 1, 2025 - December 31, 2025

Built a web app integrating OpenAI/Gemini APIs to extract structured information from PDF documents, with custom logic for document preprocessing and prompt structuring.