Yogyakarta, Indonesia

Avatar
Avatar

Hani Husamuddin

Frontend Web engineer

Hi, call me

Han

I’m a multi-disciplinary frontend engineer focused on performance, UI engineering, and building scalable web interfaces that ship reliably in production.

As a frontend web engineer, here are my current favorite tech stack:

Go to React website
Go to Reactrouter website
Go to TypeScript webiste
Go to Tailwindcss website
Go to

Experience

Senior Frontend Engineer

Insvire logo

Insvire

- Bandung, Indonesia

• Remote

Leading the frontend development of Curious Me, a social platform focused on location-based anonymous posts.

    • Architected and built the app using React Router, Apollo Client, and Firebase.
    • Managed a small frontend team, ensuring code quality, performance, and delivery consistency.
    • Collaborated closely with backend, QA, and product teams to refine user experience and improve UI performance.
    • Contributed to design implementation, technical decisions, and release cycles.

Impact: Improved performance, delivery consistency, and UI maintainability across multiple releases.

User Interface Designer

Default company

Freelance

- Yogyakarta, Indonesia

I am a full-time professional freelancer specializing in UI design as well. Most of my clients come through Upwork and various other freelance platforms. I have worked with clients from diverse backgrounds and countries, which has significantly honed my skills in communication and collaboration.

    • Combining aesthetic UI design with functionality and business goals to create interfaces that “sell”.
    • A deep understanding of user experience, ensuring designs are beautiful and highly usable.
    • Proficiency in tools like Figma for creating clean, modern, and responsive designs.
    • Bridging the gap between design and development, with experience in turning designs into working web interfaces.

Senior Frontend Developer

KYC logo

Know Your Customer

- Hong Kong SAR

• Remote

Working with the Engineer, UI Designer and BA, we were assigned with revamping (upgrading) company's products/platforms to become the next version. It has to have a better user interface, experience, and business flow. As a frontend developer, I help them with technical issues.

User Interface Developer

Currinda logo

Currinda

- Melbourne, Australia

• Remote

I am a member of the Engineer Team, along with three other people. I am in charge of creating an interface design that is both user-friendly and consistent with the company's brand. I also assist the team with frontend development, particularly in the creation of design systems and UI components with React.

Web Developer

Bubays logo

Bubays

- Jakarta, Indonesia

• Remote

I am in charge of the company website's full-stack development and maintenance. The job entails creating and maintaining a website from the ground up. In addition, I am the only Web Developer in this company.

Education

Bachelor’s Degree in Computer Science

Upnvyk logo

Universitas Pembangunan Nasional Veteran Yogyakarta

Top 10 best graduates in the university.I graduated in July 2019, with a GPA of 3.63 out of 4.00. One of the award recipients for the best graduate of the university at the time.

In my thesis, I looked into how Natural Language Processing (NLP) was used in Telegram Bot. For the NLP approach method, I used Neural Network (Deep Learning) and Text Mining

Leading the frontend development of Curious Me, a social platform focused on location-based anonymous posts.

Volunteering

Frontend Web Developer

Kawalcovid19 logo

KawalCOVID19

- Yogyakarta, Indonesia

Assisting in the resolution of several user-related issues. API integration and system design jobs are among them. For the time being, I'm also working with the team on the wargabantuwarga.com and silacak.com.

Leading the frontend development of Curious Me, a social platform focused on location-based anonymous posts.

Skills

Frontend Performance

    • Diagnose real-world performance bottlenecks.
    • Optimize rendering, hydration, and asset delivery.
    • Improve Web Vitals with measurable results.

Impact: Improved LCP and load performance by ~30–40% on production apps

UI Engineering & Design Systems

    • Translate Figma design systems into production-ready components
    • Reduce design–code mismatch and rework
    • Build reusable, token-based UI patterns

Tools: Figma, Storybook

Frontend Engineering

    • Build scalable React applications with clean architecture
    • Strong TypeScript discipline for long-term maintainability
    • Modern routing and data handling for real-world apps

Stack: React, TypeScript, React Router, Tailwind CSS, GraphQL

Product & Execution

    • Turn ambiguous requirements into shippable features
    • Make pragmatic technical trade-offs
    • Own features end-to-end, from planning to production
Logo

©

2026

| Hani Husamuddin

Yogyakarta, Indonesia

Hani Husamuddin

Frontend Web engineer

Avatar
Avatar

Hi, call me

Han

I’m a multi-disciplinary frontend engineer focused on performance, UI engineering, and building scalable web interfaces that ship reliably in production.

As a frontend web engineer, here are my current favorite tech stack:

Go to React website
Go to Reactrouter website
Go to TypeScript webiste
Go to Tailwindcss website
Go to

Experience

Senior Frontend Engineer

Insvire logo

Insvire

- Bandung, Indonesia

• Remote

Leading the frontend development of Curious Me, a social platform focused on location-based anonymous posts.

    • Architected and built the app using React Router, Apollo Client, and Firebase.
    • Managed a small frontend team, ensuring code quality, performance, and delivery consistency.
    • Collaborated closely with backend, QA, and product teams to refine user experience and improve UI performance.
    • Contributed to design implementation, technical decisions, and release cycles.

Impact: Improved performance, delivery consistency, and UI maintainability across multiple releases.

User Interface Designer

Default company

Freelance

- Yogyakarta, Indonesia

I am a full-time professional freelancer specializing in UI design as well. Most of my clients come through Upwork and various other freelance platforms. I have worked with clients from diverse backgrounds and countries, which has significantly honed my skills in communication and collaboration.

    • Combining aesthetic UI design with functionality and business goals to create interfaces that “sell”.
    • A deep understanding of user experience, ensuring designs are beautiful and highly usable.
    • Proficiency in tools like Figma for creating clean, modern, and responsive designs.
    • Bridging the gap between design and development, with experience in turning designs into working web interfaces.

Senior Frontend Developer

Know Your Customer

- Hong Kong SAR

• Remote

Working with the Engineer, UI Designer and BA, we were assigned with revamping (upgrading) company's products/platforms to become the next version. It has to have a better user interface, experience, and business flow. As a frontend developer, I help them with technical issues.

User Interface Developer

Currinda logo

Currinda

- Melbourne, Australia

• Remote

I am a member of the Engineer Team, along with three other people. I am in charge of creating an interface design that is both user-friendly and consistent with the company's brand. I also assist the team with frontend development, particularly in the creation of design systems and UI components with React.

Web Developer

Bubays logo

Bubays

- Jakarta, Indonesia

• Remote

I am in charge of the company website's full-stack development and maintenance. The job entails creating and maintaining a website from the ground up. In addition, I am the only Web Developer in this company.

Education

Bachelor’s Degree in Computer Science

Upnyk logo

Universitas Pembangunan Nasional Veteran Yogyakarta

Top 10 best graduates in the university.I graduated in July 2019, with a GPA of 3.63 out of 4.00. One of the award recipients for the best graduate of the university at the time.

In my thesis, I looked into how Natural Language Processing (NLP) was used in Telegram Bot. For the NLP approach method, I used Neural Network (Deep Learning) and Text Mining

Leading the frontend development of Curious Me, a social platform focused on location-based anonymous posts.

Volunteering

Frontend Web Developer

Kawalcovid19 logo

KawalCOVID19

- Yogyakarta, Indonesia

Assisting in the resolution of several user-related issues. API integration and system design jobs are among them. For the time being, I'm also working with the team on the wargabantuwarga.com and silacak.com.

Leading the frontend development of Curious Me, a social platform focused on location-based anonymous posts.

Skills

Frontend Performance

    • Diagnose real-world performance bottlenecks.
    • Optimize rendering, hydration, and asset delivery.
    • Improve Web Vitals with measurable results.

Impact: Improved LCP and load performance by ~30–40% on production apps

UI Engineering & Design Systems

    • Translate Figma design systems into production-ready components
    • Reduce design–code mismatch and rework
    • Build reusable, token-based UI patterns

Tools: Figma, Storybook

Frontend Engineering

    • Build scalable React applications with clean architecture
    • Strong TypeScript discipline for long-term maintainability
    • Modern routing and data handling for real-world apps

Stack: React, TypeScript, React Router, Tailwind CSS, GraphQL

Product & Execution

    • Turn ambiguous requirements into shippable features
    • Make pragmatic technical trade-offs
    • Own features end-to-end, from planning to production
Logo

©

2026

| Hani Husamuddin

Yogyakarta, Indonesia

Hani Husamuddin

Frontend Web engineer

Avatar
Avatar

Hi, call me

Han

I’m a multi-disciplinary frontend engineer focused on performance, UI engineering, and building scalable web interfaces that ship reliably in production.

As a frontend web engineer, here are my current favorite tech stack:

Go to React website
Go to Reactrouter website
Go to TypeScript webiste
Go to Tailwindcss website
Go to

Experience

Senior Frontend Engineer

Insvire logo

Insvire

- Bandung, Indonesia

• Remote

Leading the frontend development of Curious Me, a social platform focused on location-based anonymous posts.

    • Architected and built the app using React Router, Apollo Client, and Firebase.
    • Managed a small frontend team, ensuring code quality, performance, and delivery consistency.
    • Collaborated closely with backend, QA, and product teams to refine user experience and improve UI performance.
    • Contributed to design implementation, technical decisions, and release cycles.

Impact: Improved performance, delivery consistency, and UI maintainability across multiple releases.

User Interface Designer

Default company

Freelance

- Yogyakarta, Indonesia

I am a full-time professional freelancer specializing in UI design as well. Most of my clients come through Upwork and various other freelance platforms. I have worked with clients from diverse backgrounds and countries, which has significantly honed my skills in communication and collaboration.

    • Combining aesthetic UI design with functionality and business goals to create interfaces that “sell”.
    • A deep understanding of user experience, ensuring designs are beautiful and highly usable.
    • Proficiency in tools like Figma for creating clean, modern, and responsive designs.
    • Bridging the gap between design and development, with experience in turning designs into working web interfaces.

Senior Frontend Developer

KYC log

Know Your Customer

- Hong Kong SAR

• Remote

Working with the Engineer, UI Designer and BA, we were assigned with revamping (upgrading) company's products/platforms to become the next version. It has to have a better user interface, experience, and business flow. As a frontend developer, I help them with technical issues.

User Interface Developer

Currinda logo

Currinda

- Melbourne, Australia

• Remote

I am a member of the Engineer Team, along with three other people. I am in charge of creating an interface design that is both user-friendly and consistent with the company's brand. I also assist the team with frontend development, particularly in the creation of design systems and UI components with React.

Web Developer

Bubays logo

Bubays

- Jakarta, Indonesia

• Remote

I am in charge of the company website's full-stack development and maintenance. The job entails creating and maintaining a website from the ground up. In addition, I am the only Web Developer in this company.

Education

Bachelor’s Degree in Computer Science

UPNVYK logo

Universitas Pembangunan Nasional Veteran Yogyakarta

Top 10 best graduates in the university.I graduated in July 2019, with a GPA of 3.63 out of 4.00. One of the award recipients for the best graduate of the university at the time.

In my thesis, I looked into how Natural Language Processing (NLP) was used in Telegram Bot. For the NLP approach method, I used Neural Network (Deep Learning) and Text Mining

Leading the frontend development of Curious Me, a social platform focused on location-based anonymous posts.

Volunteering

Frontend Web Developer

Kawalcovid19 logo

KawalCOVID19

- Yogyakarta, Indonesia

Assisting in the resolution of several user-related issues. API integration and system design jobs are among them. For the time being, I'm also working with the team on the wargabantuwarga.com and silacak.com.

Leading the frontend development of Curious Me, a social platform focused on location-based anonymous posts.

Skills

Frontend Performance

    • Diagnose real-world performance bottlenecks.
    • Optimize rendering, hydration, and asset delivery.
    • Improve Web Vitals with measurable results.

Impact: Improved LCP and load performance by ~30–40% on production apps

UI Engineering & Design Systems

    • Translate Figma design systems into production-ready components
    • Reduce design–code mismatch and rework
    • Build reusable, token-based UI patterns

Tools: Figma, Storybook

Frontend Engineering

    • Build scalable React applications with clean architecture
    • Strong TypeScript discipline for long-term maintainability
    • Modern routing and data handling for real-world apps

Stack: React, TypeScript, React Router, Tailwind CSS, GraphQL

Product & Execution

    • Turn ambiguous requirements into shippable features
    • Make pragmatic technical trade-offs
    • Own features end-to-end, from planning to production
Logo

©

2026

| Hani Husamuddin