D Hendrik Mulyana
Verified Expert in Design
Designer
South Tangerang, South Tangerang City, Banten, Indonesia
Toptal member since June 14, 2017
Hendrik is a principal UI/UX designer with {years_of_experience} of experience designing complex digital products, enterprise platforms, and scalable design systems. He works closely with product managers, engineers, and stakeholders to turn business and technical requirements into clear, intuitive experiences, with a strong focus on product thinking, usability, and practical design solutions.
Portfolio
Reflection - A Mobile Journaling App
LessBusy a Personal LinkedIn Coach
Signal 6 Landing Page
Experience
- iOS - 10 years
- UI Design - 7 years
- Web Design - 7 years
- Adobe Photoshop - 5 years
- Mobile App UI - 5 years
- Figma - 5 years
- Sketch - 2 years
- InVision - 2 years
Tools
- Adobe Photoshop
- Sketch
- InVision
Work Experience
Principal UI/UX Designer
Bvarta
- Led product design for Targetin and LI, translating complex geospatial requirements into clear user flows, wireframes, high-fidelity UI, and developer-ready specifications.
- Collaborated with product managers, business stakeholders, and engineers to define requirements, solve UX problems, and deliver practical solutions across multiple product areas.
- Improved complex dataset management experiences, including spatial configuration, administrative area mapping, schema setup, validation, and environment management workflows.
- Designed geospatial analysis workflows for catchment areas, regions, POI data, spatial aggregation, and other data-heavy features used in enterprise applications.
- Created reusable UI patterns and components in Figma to improve consistency, simplify complex interfaces, and support smoother design-to-development handoff.
- Explored AI-assisted design workflows using Figma Make, Codex, and Claude to accelerate ideation, prototyping, UX reviews, and collaboration with developers.
Lead Product Designer
BrainBite
- Designed and delivered parent dashboards to track children’s learning progress, ensuring clarity and engagement across all user segments.
- Led the creation of personalized onboarding experiences, integrating playful elements like BrainBite’s mascot, Professor Owl, to guide new users through the platform.
- Developed gamified elements such as trophies, streak notifications, and badges, enhancing motivation and driving user retention.
- Designed the AI Mentor Interaction feature, providing children with real-time support for homework, exam preparation, and personalized feedback.
- Built adaptive interfaces to support learners with special needs (ADD, ADHD, Dyslexia), incorporating tools like text-to-speech, voice customization, and flexible learning paths.
Product Designer Lead
Sinbad
- Worked closely with the VP of product management, the tech team, and the COO.
- Defined, improved, and maintained design tokens documentation with the front-end team.
- Architected, improved, and maintained the multi-platform design system.
- Defined design objective OKRs for the internal designer team.
- Improved design workflow from idealization to design and handover.
- Mentored and provided one-on-one sessions with a designer to set personal goals and objectives.
- Managed project assignment workload of the design team.
- Participated in design idealization and decisions on the technical side and user experience.
Design System Consultant
Astro
- Built and maintained a comprehensive design system that significantly improved visual and functional consistency across all product features.
- Defined and maintained design tokens to ensure a unified visual language across various platforms and devices.
- Improved the design system workflow, making it more intuitive and user-friendly for designers and developers alike.
- Provided ongoing mentorship and design consultation to the team, guiding them through the adoption and implementation of the new design system.
UI/UX Designer
ICEHOUSE Corp
- Defined design flow, including low to high-fidelity design, and built a prototype design into InVision.
- Defined UX research, including an analysis of competitors and persona.
- Built library and design system, handover design into Zeplin, and documentation.
UI/UX Designer
Oprent
- Defined and mapped user roles for all platforms (renter, lender, and administrator).
- Translated a design to code (HTML and CSS); worked as a backup team helper.
- Defined a user interface design and user workflow for every feature.
- Designed the platform, including a web app platform and iOS mobile design.
Freelance UI Designer
SimilarWeb
- Oversaw the design of the user interface for a Chrome extension product.
- Designed banners for Chrome advertising campaigns.
- Made the user interface for a mobile application.
- Created assets, including banners, icons, and logos.
- Participated in developing the visual design style guide.
UX Designer | Quality Assurance (QA)
Calibreworks
- Conducted quality assurance tests for every project I've tested.
- Educated clients on how to operate the website.
- Worked with a range of clients focusing on web app projects, web projects, and more.
Education
Bachelor's Degree in Information System
STMIK Nusa Mandiri - Jakarta, Indonesia
Skills
Tools
Figma Component Library, Adobe Photoshop, Sketch, InVision, Claude, AI Tools, Flinto, ProtoPie, Principle, Gulp, UXPin, Zeplin, Adobe Illustrator, Figma Make, Tableau, Photoshop 7, Adobe
Platforms
Figma, Mobile, iOS, Android, WordPress, Axure
Industry Expertise
Consumer Products, Fitness, Health & Wellness, Sports, Education Technology (Edtech)
Languages
CSS, HTML, Pug
Other
UX Design, Mobile App UI, Mobile UI, Web App Design, User Experience (UX), UI Design, Web Design, Responsive Web Design (RWD), User Interface (UI), Design Systems, Product Design, Web App UX, Mobile Design, Flutter, Booking Apps, Design, Dashboards, Dashboard Design, DevOps, eCommerce, Journey Mapping, Style Guides, User Flows, Marketplaces, Software as a Service (SaaS), Layout, Prototyping, App Design, Data Visualization, Mobile Apps, Mobile App Design, Reusable Components, UI Components, Responsive UI, Interaction Design (IxD), Digital Design, High-fidelity Prototypes, Component Libraries, Web UI Design, B2B, Branding, Visual Design, Rideshare Services, Interactive UX, UX Wireframes, Creative Direction, New Product Development, Spatial Analysis, Enterprise SaaS, Artificial Intelligence (AI), Conversion Rate Optimization (CRO), IoT, Wellness, Content Management Systems (CMS), Editorial Design, Typography, Wireframing, User Experience Design, Brand Guidelines, SaaS Design, Tailwind CSS, Learning Management Systems (LMS), UX Architecture, User Research, Edtech Design, SaaS, UI Style Guides, Design Documentation, UX Principles, WordPress Design, Overflow, Sass, Apps, Android Design Guidelines, iOS App Design, Landing Page Design, Unbounce, iOS UI Design, eCommerce Design, Mobile UI Design, Token Design, Android UI Design, Web App UI, Web Applications, UX Research, UI Prototyping, Desktop App Design, Mobile UX, Landing Pages, Websites, Food Delivery Services, Complex Application User Interfaces (UI), Codex, Spatial Databases, Claude Code, Mobile UX Design
How to Work with Toptal
Toptal matches you directly with global industry experts from our network in hours—not weeks or months.
Share your needs
Choose your talent
Start your risk-free talent trial
Top talent is in high demand.
Start hiring