Blockchain & Quant developer

Bayram Guvanjov

Blockchain & Quant developer

Available to hire

Blockchain & Quant developer

Experience Level

Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate

Language

Turkmen
Fluent
English
Fluent
Turkish
Fluent
Russian
Beginner
Korean
Beginner

Work Experience

Blockchain Fullstack Engineer at OCBC Bank
September 1, 2024 - November 12, 2025
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 at Erigon
May 1, 2024 - May 1, 2024
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 at Bisonai - Krust Universe, Kakao Corp
November 1, 2023 - November 1, 2023
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 at Qunance
July 1, 2022 - July 1, 2022
Designed and implemented a real-time algorithmic trading system with an average monthly return of 3-5%; tested, deployed, and maintained the system on a Linux-based Google Cloud Platform server, integrating it with Binance accounts for optimal performance.
Software Engineer Intern at Google
September 1, 2019 - September 1, 2019
Contributed to developing the home screen icon banner for Google Showtime on the Android platform; created and implemented the feature to place a shortcut icon on the home screen, directly accessing the Google Showtime page with one click, resulting in a DAU increase and fewer user interactions required.
AI and Software Engineering Intern at NAVER Clova AI
February 1, 2019 - February 1, 2019
Developed a program that converts 3D human pose estimated models into various 2D images for data augmentation in ML training data; implemented code for drawing bounding boxes and labeling text on AVA dataset videos for annotation.

Education

B.Sc in Computer Science (Major), Management Engineering (Minor) at Ulsan National Institute of Science and Technology
September 1, 2016 - July 1, 2022

Qualifications

UNI-Star Scholarship
January 11, 2030 - November 12, 2025

Industry Experience

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