I'm a Senior Frontend Engineer with 10+ years of professional experience in building & maintaining Web Applications, I'm passionate about building quality software that exceeds the expectations of end users and stakeholders. My core strengths include: • Proficient in React.js, Vue.js, TypeScript, REST API, GraphQL, Golang, Node.js, and PHP, with experience building scalable full-stack solutions. • Strong focus on Test-Driven Development (Jest & React Testing Library) and automation (Playwright, Cucumber, Selenium) to ensure quality. • Experience collaborating with cross-functional teams to deliver new features and optimize performance in high-paced environments. • Skilled with cloud platforms like GCP and AWS, deploying secure and reliable applications. • Designed and implemented micro-frontend architectures for scalability, maintainability, and reusability. • Proficient with AI-assisted development tools (GitHub Copilot, Cursor, ChatGPT, GitHub Spec-Kit) to improve iteration speed and code quality. • Growing interest in AI system design. Including RAG workflows, vector databases, prompt pipelines, and integrating LLM functionality into real-time user experiences.

Deny Herianto

I'm a Senior Frontend Engineer with 10+ years of professional experience in building & maintaining Web Applications, I'm passionate about building quality software that exceeds the expectations of end users and stakeholders. My core strengths include: • Proficient in React.js, Vue.js, TypeScript, REST API, GraphQL, Golang, Node.js, and PHP, with experience building scalable full-stack solutions. • Strong focus on Test-Driven Development (Jest & React Testing Library) and automation (Playwright, Cucumber, Selenium) to ensure quality. • Experience collaborating with cross-functional teams to deliver new features and optimize performance in high-paced environments. • Skilled with cloud platforms like GCP and AWS, deploying secure and reliable applications. • Designed and implemented micro-frontend architectures for scalability, maintainability, and reusability. • Proficient with AI-assisted development tools (GitHub Copilot, Cursor, ChatGPT, GitHub Spec-Kit) to improve iteration speed and code quality. • Growing interest in AI system design. Including RAG workflows, vector databases, prompt pipelines, and integrating LLM functionality into real-time user experiences.

Available to hire

I’m a Senior Frontend Engineer with 10+ years of professional experience in building & maintaining Web Applications, I’m passionate about building quality software that exceeds the expectations of end users and stakeholders.

My core strengths include:
• Proficient in React.js, Vue.js, TypeScript, REST API, GraphQL, Golang, Node.js, and PHP, with experience building scalable full-stack solutions.
• Strong focus on Test-Driven Development (Jest & React Testing Library) and automation (Playwright, Cucumber, Selenium) to ensure quality.
• Experience collaborating with cross-functional teams to deliver new features and optimize performance in high-paced environments.
• Skilled with cloud platforms like GCP and AWS, deploying secure and reliable applications.
• Designed and implemented micro-frontend architectures for scalability, maintainability, and reusability.
• Proficient with AI-assisted development tools (GitHub Copilot, Cursor, ChatGPT, GitHub Spec-Kit) to improve iteration speed and code quality.
• Growing interest in AI system design. Including RAG workflows, vector databases, prompt pipelines, and integrating LLM functionality into real-time user experiences.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
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Language

Indonesian
Fluent
English
Advanced

Work Experience

Senior Frontend Engineer at INA Digital Edu (PT. Peruri Digital Security)
August 1, 2021 - November 26, 2025
Architected and developed modern frontend applications using React (Next.js), Svelte, TailwindCSS, Zustand, React Hook Form, Framer Motion, and Lottie; improved UI responsiveness and maintainability across multiple large platforms. Collaborated with cross-functional teams to optimize performance and implement features for the Platform Merdeka Mengajar and Collaboration Platform, supporting over 2.6 million teachers across Indonesia. Led development of Teacher Assistant Chat Frontend, an AI-powered tool using Server-Sent Events (SSE) and OpenAI API. Architected the CMS and Collaboration Platform with core systems (Auth, RBAC, User Management) alongside Push Notifications, Newsletters, and Teacher Learning Modules serving 5M+ users. Developed a high-performance Landing Page for Teacher Platform with Framer Motion and Lottie; implemented lazy-loading and Lighthouse best practices. Applied Test-Driven Development with Jest and React Testing Library, alongside automated testing using Playwr
Middle Frontend Engineer at Bukalapak.com
July 1, 2021 - July 1, 2021
Recognized for innovation by winning 1st place in Bukalapak’s Internal Hackathon for the Geocoder project. Optimized buyer/seller features used by 30M+ MAU on a platform with 100M+ registered users, ensuring performance and reliability at scale. Implemented Micro Frontend architecture enabling independent deployments across multiple domains. Integrated multiple Third-Party Logistics (3PL) providers to enhance shipping options and reduce bottlenecks. Developed BukaGlobal, enabling Indonesian SMEs to sell products internationally.
Lead Software Engineer / Fullstack Engineer at Varbs Digital (Oxdream Group)
November 1, 2017 - November 1, 2017
Led a team of 3 Engineers (Backend, Frontend, Mobile) to build high-performance web and mobile apps across internal business verticals. Delivered Sticar, Shortir, Geevv by aligning requirements with Product Managers, Designers, and Stakeholders to ensure timely launches. Implemented scalable architecture and coding standards that improved team velocity and reduced maintenance overhead.
Fullstack Web Developer at CV Mamorasoft
May 1, 2016 - November 1, 2016
Built production web applications with PHP, jQuery, and MySQL, including payment gateway integrations, loyalty systems, and community features.
Fullstack Web Developer at CV Indoartha Citra Media
August 1, 2014 - April 1, 2016
Developed internal and client-facing web systems using PHP, jQuery, and MySQL. Integrated SMS gateways, ERP systems (Odoo), and Bluetooth-based IoT devices.

Education

Bachelor of Applied Science (B.A.Sc.) in Computer Engineering at Electronic Engineering Polytechnic Institute of Surabaya
July 1, 2011 - August 1, 2016

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Education, Media & Entertainment, Professional Services, Retail