Pioneering Blockchain for a New Financial Era. 


Hello, I'm Harry Ermawan, a Software Engineer and Blockchain Enthusiast dedicated to revolutionizing finance to enhance security and transparency. With a strong user-centric approach, I bring over seven years of experience from reputable startups, where I have developed technology solutions for users in rural areas, as well as for both non-tech-savvy and tech-savvy audiences. My current focus is on simplifying the usability of Web3 products, aiming to facilitate broader adoption. I am committed to leveraging my expertise and skills to make a meaningful impact on society.

I believe that technology is about more than just making apps or digitilize business – it's about solving problems, and making an impact to our society.

Whether I'm working on web apps, services, or other digital products, I bring my commitment to creating reliable systems and user-centered thinking to every project I work on. I look forward to the opportunity to bring my skills and passion to your next project / product.


Microservices & API


Products Delivered


Years of experience




  • Software Engineer - Web3 @Pintu Crypto

    2022-Present | South Jakarta, Indonesia.

    Pintu, an Indonesian-based crypto exchange, has marked a significant milestone by securing $113 million USD in its latest funding round, achieving recognition as a leading platform in the cryptocurrency space. With the backing of prominent investors such as Pantera and Coinbase. Worked on a Web3 team responsible for architecture, assistance, and development of features such as Web3Wallet in the domain of NFT (Non-Fungible Tokens), Transaction Management, and Crypto Management.

  • Software Engineer @Pintu Crypto

    2021-2022 | South Jakarta, Indonesia.

    Worked on a Benefit team responsible for architecture, and development of features from scratch such as Pintu Earn, Pintu Locked Earn, and Pintu Staking Validator using Golang, Redis, PostgresSQL, AWS

  • Technical Lead @eFishery

    2019-2021 | Bandung, Indonesia.

    eFishery is now a global aquaculture tech leader based in Indonesia, achieving unicorn status with a $1.3 billion valuation after a $108 million Series D funding. Pioneered as a founding/early engineer in the Supply Chain and Marketplaces business unit. Successfully amassed over xx000+ data points (leads, members, cultivation, sampling, and harvest) in areas with poor network coverage, achieved by developing fresh-hub apps and their API using React, GraphQL, Django,and NodeJS. Automated and architected services and apps from scratch utilizing Docker, CI/CD, and NGINX. Streamlined onboarding and development processes by consolidating separate repositories into a monorepo for shared components. Enhanced engineering branding by fostering a collaborative culture and establishing an Engineering Blog, attracting over x000 viewers monthly. Reduces times user discovery around xxx% by fast iteration using no-code or low-code MVP. Reduces sales money loss around xx% by developing price lock for every product, and real-time prices catalog.

  • Software Engineer @Chipin ID

    2019 | West Jakarta, Indonesia.

    Chipin is pioneering platform in the crowdfunding space, focusing on enabling investors to buy stock in private companies. This innovative approach democratized access to private equity investments, allowing a broader range of individuals to participate in early-stage financing opportunities. Acquired xxx++ data about user investment behavior and how they're interested into invest in private companies like startup. Managed two freelance software engineers. Tech Stacks: NodeJs, ReactJs, GraphQL, Ethereum

  • Frontend Engineer

    2018-2019 | West Jakarta, Indonesia. is an online B2B online marketplace that provide an easy transaction process through technology and features to help seller and buyer doing their business easier, safer and more transparent. Tech Stacks: AngularJS, Laravel, JQuery, NodeJS, Docker.


  • Bachelor of Computer Science

    2015-2019 | Binus University

    Major on Oracle Database (DBA). Thesis : Implementation Loyalty Point with Blockchain Technologies using Stellar Network at B2B Marketplace

  • Web Developer and Digital Marketing Bootcamp

    2016-2017 |

    Completed a courses and master's project on Web Development, SEO, and SEM by developing a CMS, Marketplaces using PHP, JQuery, Google Analytics, Google Tag Manager, Google Ad-sense, etc.

  • Massive Open Online Course (MOOC)

    2017-now | Udacity, Udemy, and EpicReactDev

    Completed coursework in advanced topics such as Blockchain Nanodegree, ReactJS, VueJS, Responsive Design.