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Featured
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Built with
- React
- TypeScript
- Tailwind CSS
- Supabase
- Firebase
- HTML
- Vercel
- Adobe Photoshop
- Figma Design
Hello! my name is
Harold James H. Castillo
A Full Stack Developer and UI/UX Designer
I'm a detail-oriented programmer and graphic designer with a passion for crafting captivating and responsive web applications. My expertise lies in solving complex design challenges and developing seamless user interfaces that elevate user experiences.
About me
Design that works as well as it looks
I'm a detail-oriented programmer and graphic designer with a passion for crafting captivating and responsive web applications. My expertise lies in solving complex design challenges and developing seamless user interfaces that elevate user experiences.
- Featured projects
- 17
- Design disciplines
- 4
- Tools in my workflow
- 4
Spotlight
Featured Projects
A closer look at the work I'm proudest of — the screens, the story and the stack behind it.
Selected work
My Projects
Interfaces, brands and print work — click any project to open the full case study.
WebsitesUI UX Designer & Front-end Developer
Introducing a cutting-edge web platform leveraging the power of NFT and blockchain technologies to revolutionize the distribution, collection, and authentication of academic credentials. This visionary project is a response to contemporary challenges such as document forgery, data tampering, the fragility of physical records, and the enhancement of corporate efficiency. Drawing inspiration from real-world scenarios at esteemed institutions like Sta. Elena High School, Sto. Nino National High School, and Burgos Elementary School, our mission is to redefine the academic credential ecosystem. Our primary goal is to provide employers with a sophisticated tool that effortlessly verifies the authenticity of applicants academic records, thereby elevating industry standards. Beyond authentication, we aspire to empower students, professionals, and educational institutions alike by offering an elegant solution for securely storing, organizing, and preserving their valuable documents. In essence, our design-centric approach ensures a seamless blend of functionality and aesthetics, setting new standards in the realm of academic credential management.
Oct 25, 2023
WebsitesUI/UX Designer & Graphic Designer
I designed Chrystarin's portfolio, I'm thrilled to unveil our vision for her online presence. Our design approach revolves around the fusion of modern elegance and artistic creativity, tailored to authentically represent Chrystarin's personality. A meticulously curated color palette will resonate with her brand identity, while typography choices will strike a balance between sophistication and readability. User experience is at the forefront of our design philosophy, with a user-friendly navigation structure featuring clear menu items like Projects, About, Contact, and Social Media. What's more, our commitment to a responsive design ensures that visitors can seamlessly explore Chrystarin's work across all devices, enhancing accessibility to a wider audience.
Oct 25, 2023
WebsitesUI/UX Designer & Graphic Designer
Designing the user interface (UI) for My Arcadia, a dating simulation game featuring three adorable characters, is an exciting endeavor that revolves around creating an immersive and engaging experience for players. The primary objective here is to craft an interface that not only complements the game's romantic narrative but also provides players with intuitive controls and a delightful visual journey.
Sept 24, 2000
WebsitesUI/UX Designer & Front-end Developer
Introducing the concept design for Shirt Me, an innovative e-commerce website dedicated to simplifying the process of purchasing high-quality shirts while offering a seamless and enjoyable shopping experience. At the heart of this design is the philosophy that selecting the perfect shirt should be easy, enjoyable, and highly customizable, catering to individual preferences for size and color
July 25, 2023
WebsitesUI/UX Designer & Front-end Developer
Introducing our student intervention program website, a dynamic and essential tool designed to empower teachers and educators in our school community. This innovative platform has been meticulously crafted to assist teachers in efficiently monitoring and managing student offense records. Our primary goal is to foster a safe and conducive learning environment while providing valuable insights and support for students who may need intervention and guidance.
July 28, 2023
Logo DesignLogo Designer & Co-founder
ARK RUNE KNIGHTS is a groundbreaking organization focused on Web 3 games and decentralized applications (DAPPs). Their logo, a combination mark, blends modern text with a symbol embodying tradition and technology. The symbol features an ark, rune, and knight's helm, representing preservation, ancient knowledge, and guardianship in the digital realm. This innovative approach seeks to empower gamers with true ownership of in-game assets, ensuring security and fairness while revolutionizing the gaming industry. ARK RUNE KNIGHTS is at the forefront of Web 3 gaming, where transparency, decentralization, and player empowerment define the future of immersive gaming experiences.
October 17, 2021
Logo DesignLogo Designer
Introducing my debut Fiverr logo project, a creation tailored for a group of friends who share a deep passion for anime and gaming under the name Chuunibyou. In crafting this logo, I sought to encapsulate the essence of this unique group's interests. The design revolves around vibrant and playful elements drawn from the world of anime and gaming, featuring dynamic typography with an anime-inspired aesthetic, complemented by colorful gaming motifs and icons. By collaborating closely with the client throughout the project, I ensured that their vision was intricately woven into the final design. The resulting logo not only reflects their shared enthusiasm for anime and gaming but also serves as a unifying emblem that celebrates their camaraderie and shared interests.
March 29, 2021
Logo DesignLogo Designer
I'm excited to present the logo I created for Chrystarin, a design uniquely tailored to reflect her personality, hobbies, and goals. Drawing inspiration from her vibrant and dynamic character, the logo features a combination of bold, flowing lines and energetic color schemes that capture her vivacity and enthusiasm. Incorporating elements from her hobbies and interests, such as subtle nods to her favorite activities or symbols, this logo aims to resonate with her on a personal level. Additionally, the design is strategically crafted to align with her professional aspirations and goals, ensuring that it not only represents her on a personal level but also sets the stage for her success. Chrystarin's new logo serves as a visual embodiment of her identity and aspirations, setting her on a path to stand out and achieve her objectives.
June 11, 2021
Logo DesignLogo Designer
Introducing the Fist of Justice logo concept, a symbol of strength and justice conveyed through a powerful clenched fist raised in solidarity. With a bold color palette of deep blue and fiery red, this emblem embodies trust, courage, and the pursuit of justice, while a modern font exudes authority and professionalism. The logo's balanced composition and adaptability make it suitable for a wide range of applications, from corporate branding to social justice initiatives. It serves as a visual representation of the unwavering commitment to upholding fairness and righteousness, making it an ideal choice for those dedicated to the cause of justice.
August 31, 2021
Logo DesignLogo Designer
Allow me to introduce Froythena, my first client in the culinary world. Froythena is a pioneering food brand that masterfully transforms shiitake mushrooms into a range of delectable dishes. With a commitment to both taste and health, Froythena's menu boasts signature creations how casing the versatility of this nutrient-rich ingredient. Froythena's dedication to sustainability and its culinary innovation promise an exciting journey in the world of gourmet food, turning the unassuming shiitake into a culinary superstar
November 2, 2020
Toolbox
Tools I work with
Hover over a tool to see what I use it for.
Get in touch
Let's work together
Have a project in mind, or want to say hello? Send me an email or message me directly.