BG

Bayram Guvanjov

Available to hire

Blockchain & Quant developer

About

Blockchain & Quant developer

  • 1 year's experience
  • Joined November 2025

Languages

  • TurkmenFluent
  • EnglishFluent
  • TurkishFluent
  • RussianBeginner
  • KoreanBeginner

Industry experience

  • Software & Internet
  • Financial Services
  • Professional Services
  • Media & Entertainment

Work experience· 6 roles

Blockchain Fullstack Engineer · OCBC BankSep 2024 – Nov 2025 · 1 yr 3 mos

Contributed to OCBC's Purpose Bound Money project by implementing blockchain-based conditional payments, enabling automated and transparent disbursement of mobilization advance payments for LTA contractors; over S$22 million disbursed via smart contracts. Developed blockchain solutions for tokenized deposits to enhance cross-border fund settlements between Singapore and Malaysia, leveraging real-time multi-currency clearing and settlement.

Blockchain Core Developer · ErigonMay 2024 – May 2024 · 1 mo

Contributed to Caplin-Erigon’s Consensus Layer Client solution; ensured seamless integration of Dencun fork updates by implementing all EIPs, fortifying Caplin’s readiness.

Blockchain Fullstack Software Engineer · Bisonai - Krust Universe, Kakao CorpNov 2023 – Nov 2023 · 1 mo

Contributed to Orakl Network off-chain & on-chain development of Klaytn’s first native Chainlink-like Oracle solution, including Variable Random Numbers (VRF), Data Feeds, and Proof of Reserve services; achieved 99% response rate and 15-second synchronized submission interval for Data Feeds. Led MBX NFT marketplace development for Marblex, including Wyvern Protocol integration; designed, implemented, and deployed BAGC NFT contracts on Ethereum and facilitated pre-sale with 230 ETH in value. Developed Seoul Web3 membership verification system with prospective Soulbound Token integration for verifiable identities.

Quantitative Software Engineer · QunanceJul 2022 – Jul 2022 · 1 mo
Software Engineer Intern · GoogleSep 2019 – Sep 2019 · 1 mo
AI and Software Engineering Intern · NAVER Clova AIFeb 2019 – Feb 2019 · 1 mo

Education

B.Sc in Computer Science (Major), Management Engineering (Minor) · Ulsan National Institute of Science and Technology2016 – 2022

Certifications and awards

UNI-Star Scholarship2030 – 2025

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