23.09.04 ~ Present (Sionic AI)Joined as very early member (5th member) just after founding the company, even before raising capital.1. Develop and operate an AI image generation inference service, enhancing SaaS stability through optimized data and model storage across GCP and AWS.2. Contribute to build a Retrieval-Augmented Generation (RAG) system using FastAPI, efficiently managing customer data and optimizing vector databases for improved performance, while… Show more 23.09.04 ~ Present (Sionic AI)Joined as very early member (5th member) just after founding the company, even before raising capital.1. Develop and operate an AI image generation inference service, enhancing SaaS stability through optimized data and model storage across GCP and AWS.2. Contribute to build a Retrieval-Augmented Generation (RAG) system using FastAPI, efficiently managing customer data and optimizing vector databases for improved performance, while collborating with hardware company MetisX on joint research to accelerate vector computation using Facebook's Faiss, successfully implementing findings into software solutions.3. Establish robust DevOps/MLOps practices using AWS EKS, Google GKE, and on-premise Kubernetes, while developing required internal tools and managing resources using ArgoCD/GoCD, ensuring reliable and efficient deployment of AI models, while utilizing HuggingFace libraries to train and infer customized language models in both on-premise and multi-cloud environments. Show less

22.03.28 ~ 23.08.25 (jinhyung.park@dsrvlabs.com deprecated)1. Custody Service Administration Frontend- Developed a responsive and user-friendly frontend interface for a cryptocurrency custody administrator service using Next.js and React, incorporating Redux, react-router-dom, and react-hook-form.- Implemented essential authentication features, including login, logout, and role-based access control, ensuring compliance with travel rules and digital assets trading certification… Show more 22.03.28 ~ 23.08.25 (jinhyung.park@dsrvlabs.com deprecated)1. Custody Service Administration Frontend- Developed a responsive and user-friendly frontend interface for a cryptocurrency custody administrator service using Next.js and React, incorporating Redux, react-router-dom, and react-hook-form.- Implemented essential authentication features, including login, logout, and role-based access control, ensuring compliance with travel rules and digital assets trading certification requirements set by government bodies.- Heavily contributed to achieving ISMS certification in July 2023 by adhering to rigorous security and compliance standards.2. Ethereum Data Engineering for NFT API- Designed and developed a high-performance NFT API service for All That Node to facilitate the ETL (extract, transform, load) process from Ethereum transaction data onto the custom API server, providing key insights and data to enterprise-level customers and other applications about the activities in the Ethereum Token Data, specifically ERC721 and ERC1155 contracts but not limited to them.- Leveraged Golang's powerful concurrency model with PySpark & Airflow to ensure efficient data retrieval, transformation, and ingestion processes in a blockchain environment, resulting in enhanced application performance.- Utilized Protobuf and gRPC for effective inter-service communication while implementing a JSON parsing module to read and write data from an AWS S3 bucket, managing top token contract addresses and relevant metadata while effectively collaborating with AWS SDK for Golang to fetch data from the S3 data lake and utilized AWS credentials for secure data access. Show less

1. Sonar Explorer- Successfully launched Sonar, a comprehensive data explorer for the Osmosis blockchain. My responsibilities included building a RESTful server using Golang, deploying a WebSocket server, developing CI/CD pipelines, and crafting unit and integration tests to ensure the project's functionality and reliability.2. Custody Service Administrator Authentication Server- Developed a secure and robust RESTful Authentication Server for the Custody Service using Golang… Show more 1. Sonar Explorer- Successfully launched Sonar, a comprehensive data explorer for the Osmosis blockchain. My responsibilities included building a RESTful server using Golang, deploying a WebSocket server, developing CI/CD pipelines, and crafting unit and integration tests to ensure the project's functionality and reliability.2. Custody Service Administrator Authentication Server- Developed a secure and robust RESTful Authentication Server for the Custody Service using Golang, which incorporated features like login and logout while adhering to the requirements of the travel rule and VASP regulations.- Ensured compliance with stringent security standards and regulatory frameworks by designing the server to meet specific criteria imposed by governing bodies.- Created an Ethereum Transaction Importer that efficiently filters and stores transactions based on predefined wallet address conditions, facilitating easier management and monitoring of transactions for the custody service. Show less

1. Directed the technical documentation for All That Node and WELLDONE Studio- Published developer documentation for the AllThatNode (allthatnode.com) service and WELLDONE developer page that explains how to utilize RPC nodes and WebSocket nodes to assist smart contract writers in using the service successfully.- Having partnered with the well-known programming YouTuber Nomad Coders to create several functioning examples of smart contracts on the Ethereum, CosmWasm, and Sui blockchains,… Show more 1. Directed the technical documentation for All That Node and WELLDONE Studio- Published developer documentation for the AllThatNode (allthatnode.com) service and WELLDONE developer page that explains how to utilize RPC nodes and WebSocket nodes to assist smart contract writers in using the service successfully.- Having partnered with the well-known programming YouTuber Nomad Coders to create several functioning examples of smart contracts on the Ethereum, CosmWasm, and Sui blockchains, using Rust and Solidity.2. Developed NEAR blockchain wallet key mapper for WELLDONE Code- Spearheaded the development and execution of the WELLDONE Code Helper utility module, utilizing JavaScript to create a transaction event parser to identify and parse specific events that affected the relationship between explicit IDs and a single public key. Show less

2020.10.16~2022.03.28- Served for ROK Air Force in Seosan Air Base as Mandatory Military Service.- Managed financial operations and personnel administration for a squadron deployed at an Air Base Fighter Wing, ensuring efficient resource allocation and seamless operational workflow.- Assisted pilots with operations from the ground, contributing to successful mission execution and enhanced squadron performance, in joint with US Air Force.- Played a key role in contributing to the… Show more 2020.10.16~2022.03.28- Served for ROK Air Force in Seosan Air Base as Mandatory Military Service.- Managed financial operations and personnel administration for a squadron deployed at an Air Base Fighter Wing, ensuring efficient resource allocation and seamless operational workflow.- Assisted pilots with operations from the ground, contributing to successful mission execution and enhanced squadron performance, in joint with US Air Force.- Played a key role in contributing to the nomination as an Outstanding Squadron of Seosan AB in 2021, demonstrating exceptional teamwork and dedication to excellence. Show less

Connect Foundation (formerly NHN NEXT) is the non-profit organization operated and funded by NAVER Corporation for aiming to provide software education to all levels of learners.- jinhyungp1@connect.or.kr (deprecated)- Assisted the operation and researched to design Boostcamp 2019 course curriculum, which is to educate JavaScript web full-stack to the students who have coding experience less than 2 years.- Researched on launching the AI education for secondary students in South… Show more Connect Foundation (formerly NHN NEXT) is the non-profit organization operated and funded by NAVER Corporation for aiming to provide software education to all levels of learners.- jinhyungp1@connect.or.kr (deprecated)- Assisted the operation and researched to design Boostcamp 2019 course curriculum, which is to educate JavaScript web full-stack to the students who have coding experience less than 2 years.- Researched on launching the AI education for secondary students in South Korea/Japan on LINE Entry and Edwith platform, which is accredited as an official education tool by the Ministry of Education, South Korea.- Participated in the project with NAVER Clova AI team to design and publish the AI course that targets the general public.- Designed and conducted a renewal task of SEF 2020, the largest software education conference held by NAVER and CONNECT Foundation.See more: www.connect.or.kr Show less

2019.03.01~2019.06.28 | Network Moderator, APAC Branch, South Korea Division- jinhyungpark@economist.com (deprecated)The Economist Corporate Network is the Economist Group’s advisory, briefing, and networking service for senior executives. As the position of Network Moderator for The Economist Corporate Network in South Korea, I helped to moderate major Economist events, deliver custom briefings to senior executives and public figures. I worked for the position on 2019-1 semester. This… Show more 2019.03.01~2019.06.28 | Network Moderator, APAC Branch, South Korea Division- jinhyungpark@economist.com (deprecated)The Economist Corporate Network is the Economist Group’s advisory, briefing, and networking service for senior executives. As the position of Network Moderator for The Economist Corporate Network in South Korea, I helped to moderate major Economist events, deliver custom briefings to senior executives and public figures. I worked for the position on 2019-1 semester. This was a part-time freelancing based effort. Show less

2018.10.01~2019.01.11Junior Technical Research, FinTech Consulting Team (2018.10-2019.01)- jinhyung@teamwe.me (deprecated)- Researched on technical materials of Ethereum and Hyperledger Fabric- Partaking in several projects with constructing the token economics/metrics- Researched on Non-Fungible Tokens (NFTs) ecosystems and Security Token Offerings (STOs) valuations- Assisting the convening the meetup held by the companies, planning theme(s) for airdrop events

2018.05.16~2018.09.30 | CoinSight & Chain Partners Research Center- jinhyung@chain.partners (deprecated)- Researched on technical materials of blockchain projects for Research Center and CoinSight, the biggest Korean blockchain media on YouTube - Planned the theme of video clips for CoinSight on each of release - Accountable for translating and interpreting between ENG-KOR cryptocurrency/blockchain materials- Researched on mainly EOS blockchain ecosystem for dApp building… Show more 2018.05.16~2018.09.30 | CoinSight & Chain Partners Research Center- jinhyung@chain.partners (deprecated)- Researched on technical materials of blockchain projects for Research Center and CoinSight, the biggest Korean blockchain media on YouTube - Planned the theme of video clips for CoinSight on each of release - Accountable for translating and interpreting between ENG-KOR cryptocurrency/blockchain materials- Researched on mainly EOS blockchain ecosystem for dApp building and DeFi, decentralized finance service for penetrating into mainstream public - Assisted to convene the KBW/ABF 2018 event, the one of the biggest gathering in Korea for the year of 2018 under the theme of FinTech and blockchain Show less