Total Software Industry experience: 18+ years.

Working on Blockchain with these topics: ZK Snark, NFT, Metaverse, Blockchain Gaming, Defi, DAO, CBDC, Node Infrastructure, Crypto Wallets - Multisig, MPC/SMPC, Web3, Defi for custodial and non-custodial organizations etc

Working on Decentralized (Solana - Rust + C, Substrate - Rust + INK, Polkadot - Parachains / Parathreads, Cosmos - Go + Starport, Cardano - Haskell + Plutus, Ethereum - Solidity, Ocaml + Ligo - Tezos)

- Experienced CTO of Defi Startup - Delio, Peri Finance in Seoul

-launched Klaytn Platform on budget, and

- Led 40+ different software development projects and solution products at Samsung, Nokia, Motorola & Polycom

-Drives the Partner Strategy, recruiting key strategic partners and driving the product roadmap to support the ecosystem

- Successfully launched Klaytn blockchain Ecosystem, resulting in quantifiable benefits, such as the number of transactions on Klaytn increased by over 500%, the average cost per transaction was just a few cents, the average time to settlement was just a few seconds, and a survey found that 90% of them were satisfied with the platform, User Adoption reached to 50 Million International Users.

- Have Designed from scratch in areas like DeFi, Fintech, NFT, Metaverse, layer-2, and Cryptography (Zksnark, MPC) Blockchain projects worked with are Quorum, Polkadot/Substrate, Ethereum, and Cosmos.

- Have Designed frameworks for Off-chain and On-chain products and some of the languages used for On-Chain are ink! WASM, Solidity, Golang, Rust, Java, C++, etc.

- Have Program management experience in handling multiple software development teams, remote teams, customer interfacing, project planning, tracking, estimation, and quality processes.

- Collaborating with Global partners, clients, and stakeholders to understand requirements, define technical roadmaps, and deliver solutions that exceed expectations

- Build Products using different Network Security Protocols –TCP/IP, Ipv4/IPv6, WLAN (802.11), WLAN Supplicant, 802.1Q , Ipsec, VPN, VOIP, DLNA, UPNP, HTTPS, SSH, SSL/TLS, IPSec, IKEV2, PKI, EAP, Kerberos, RADIUS, Diameter and LDAP on Linux platform.

- Designed Distributed systems, Data Streaming, microservice & serverless application with Docker, Kubernetes, AWS EC2, VPC, EBS, Cloud Formation AWS Config and S3, Nginx, Apache Kafka, Apache Spark, DynamoDB, MongoDB, MySQL, RabbitMq, Prometheus, Grafana, OpenID Connect and OAuth 2.0, Cloudflare, Consul, Chef, Puppet, Salt Stack and Ansible, Jenkins/Hudson, Bamboo, Salt Stack, GitHub for Edtech and E-commerce business.