Joshua Manuputty
Senior Frontend Engineer
joshuanmanuputty@gmail.com | joshuanatanielm.com | linkedin.com/in/joshuanathanielm | github.com/joshuanatanielnm
Professional Summary
Passionate frontend developer with a strong focus on crafting performance-driven and aesthetically pleasing user interfaces. I bring extensive experience in the Web3 space, having worked on multiple projects across the Cosmos ecosystem, including integrations with IBC (Inter-Blockchain Communication) protocols. My background also includes building user-facing applications within the Ethereum ecosystem, contributing to the development of decentralized applications (dApps), dashboards, and tooling that enhance the Web3 user experience.
Skills
- HTML & CSS, JavaScript, TypeScript, Solidity
- React, Next.js, React Native
- Vue, Nuxt, Vite
- Headless CMS, GraphQL
- Detox E2E, Jest, Cypress
- CosmJs, Ethers, Viem, Wagmi
- Chakra UI, Tailwind CSS, etc.
Employment History
Senior Frontend Developer, Napier Finance
Oct 2025 - Present | Japan - Remote
Napier is the universal yield infrastructure. With Napier, developers can build their own application-specific yield products and embed those into any use case.
- Integrated Uniswap v4 smart contracts on the frontend, fully leveraging Uniswap v4-specific features such as hooks and advanced routing.
- Implemented new UI designs and significantly improved the overall user experience across the application.
- Optimized frontend performance and state management to ensure smooth interactions for high-frequency on-chain operations.
- Collaborated closely with product and protocol teams to translate complex DeFi concepts into intuitive and user-friendly interfaces.
Software Engineer, Freelance
Apr 2025 - Oct 2025 | United States - Remote
Helped clients build their apps and created multiple personal products.
- Led product development for Predictex, a blockchain-based sports platform.
- Built the go-to dashboard for 250+ Cosmos chain upgrades from scratch for DoraHacks.
- Developed an AI assistant site using available LLMs.
- Maintain Graz, collection of React hooks containing everything you need to start working with the Cosmos ecosystem.
Frontend Developer, EclipseFI
Mar 2024 - Feb 2025 | Singapore - Remote
EclipseFi is a revolutionary hub for interchain token launches, bringing value back into the hands of early communities within the Cosmos ecosystem.
- Spearheaded the complete rewrite of the frontend codebase for the EclipseFi launchpad, achieving a 20% performance improvement and improving maintainability by optimizing and extracting repetitive logic.
- Delivered a pixel-perfect, responsive UI for the launchpad, aligning closely with design specs and enhancing the overall Web3 user experience.
- Implemented smart contract version upgrades on the client side to ensure seamless compatibility with evolving IBC-enabled contracts and blockchain environments.
- Engineered KYC solutions using Synaps and zkMe for secure and compliant user onboarding.
Frontend Developer, Elogram
Jul 2023 - Feb 2024 | United States - Remote
As the first engineer, I collaborated with an ex-Silicon Valley founder at an early-stage company to develop an MVP mobile application designed for sharing meaningful stories.
- Refactored the codebase from JavaScript to TypeScript, improving type safety and ensuring component reusability.
- Implemented end-to-end testing using Detox, enhancing application reliability and stability.
- Leveraged React Native Reanimated to deliver advanced animations, elevating the user interface and overall experience.
- Integrated Segment with Mixpanel and Intercom, enabling comprehensive user behavior tracking and actionable insights.
Frontend Developer, Skip
Oct 2023 - Oct 2023 | United States - Remote
Engaged in a short-term contract to contribute to frontend development for the Sync-Chain MVP dashboard, a project within the Cosmos ecosystem.
- Delivered the MVP within two weeks, building 5 core pages with seamless integration into Sync-Chain and Web3 wallet connectivity.
- Designed and implemented the dashboard interface from a low-fidelity design, focusing on usability, performance, and responsive layout.
- Contributed to a fast-paced product cycle, ensuring the MVP aligned with IBC-enabled chain requirements and Web3 expectations.
Frontend Developer, Strangelove Crypto
Oct 2022 - Aug 2023 | United States - Remote
Strangelove is a blockchain development firm, lab, and validator focused on accelerating the growth and security of the Interchain, with deep involvement in the Cosmos and IBC ecosystems.
- Defined a new product strategy and shipped a key feature for Sommelier, an Ethereum-based DeFi application with over $30M TVL, helping improve user engagement and DeFi usability within the Web3 space.
- Built and integrated a Sanity Headless CMS to streamline Sommelier's content management process, enabling non-technical team members to make real-time updates without engineering support.
- Orchestrated a new layout design for Sommelier, enhancing conversion rates.
- Developed the MVP for the Voyager API Portal dashboard and integrated it with Apigee API Management, contributing to developer experience and scalability within Interchain-related infrastructure.
Product Engineer II, Zero One Group
Apr 2021 - Oct 2022 | Jakarta - Remote
Zero One Group is a leading integrated technology services company, providing personalized solutions to even the most challenging business problems.
- Created a sophisticated data visualization website with responsive design from the ground up for Bloomberg.
- Successfully delivered a range of highly optimized internal dashboards, data visualization sites, and marketing websites.
- Led the frontend team and architected client products.
- Conducted research on Next.js application deployment on AWS Amplify.
Highlighted Projects
Cosmos Upgrades Dashboard - Bryanlabs, Software Engineer
Apr 2025 - Present
Cosmos Upgrades is the go-to dashboard for 250+ Cosmos chain upgrades, powered by the chain-registry and designed with node operators in mind.
https://upgrade-hub.bryanlabs.net/
Graz - Open Source, Maintainer
Jan 2024 - Present
Graz is a collection of React hooks containing everything you need to start working with the Cosmos ecosystem.
Eclipse Launchpad - Eclipse FI, Frontend Developer
Mar 2024 - Feb 2025
Eclipse Launchpad is a revolutionary hub for interchain token launches.
https://www.eclipsefi.io/launchpad
Sommelier Finance - Strangelove, Frontend Developer
Oct 2022 - Aug 2023
Sommelier is a platform and single place for all strategies across DeFi.
Bloomberg Coal Countdown - Zero One Group, Product Engineer
Apr 2021 - Apr 2022
Bloomberg Global Coal Countdown is the go-to online resource to track the world's progress toward phasing out coal.
https://bloombergcoalcountdown.com/
Education
Information System, Institut Teknologi Adhi Tama
Apr 2018 - Aug 2022 | Surabaya
Cumulative GPA: 3.86 out of 4.0
Achievements
Mentor of East Asia Summit Hackathon
Dec 2022 | Jakarta
Invited to serve as a technical mentor for the East Asia Summit Hackathon on Combating Marine Plastic. My role involved facilitating participants experiencing technical difficulties to ensure they could complete their solutions within the allotted time frame.
Participant of Hackathon APEC App Challenge in Thailand
May 2022 | Bangkok
Invited to represent the Indonesian Economy and Zero One Group at the APEC App Challenge Hackathon in Thailand, tasked with creating solutions for sustainable agri-food businesses.
3rd Winner of Google IO Recap Hackathon
Jun 2018 | Surabaya
Participated in the Google IO hackathon at Ciputra University Surabaya, where I collaborated in developing an application utilizing Google's latest technologies.