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Senior Blockchain Researcher Engineer

Senior Blockchain Researcher Engineer

As a part of devspiration, you will have the opportunity to contribute as a Blockchain Researcher Engineer, by optimizing transaction extraction processes to handle large-scale blockchain networks and varying transaction volumes for professional financial services for one of the “Big Four” companies. 


Lviv, Ukraine (onsite at a brand-new office in BC "Natsionalnyy") or remote working option.


  • Perform in-depth analysis of extracted transactions to derive meaningful insights and patterns. 
  • Develop and implement strategies to extract transactions from blockchain nodes efficiently. 
  • Utilize APIs, SDKs, or direct node interactions to retrieve transaction data while ensuring data integrity and security. 
  • Conduct research on blockchain scalability, privacy, security, and interoperability solutions. 
  • Collaborate with blockchain developers, cryptographers, and software engineers to translate research findings into practical solutions and applications.



  • Solid and proven experience in blockchain research, development, or related fields. 
  • Proven experience in extracting and processing transactions from blockchain nodes using APIs, SDKs, or direct node interactions. 
  • Familiarity with blockchain data structures, including blocks, transactions, Merkle trees, and cryptographic hashing algorithms. 
  • Ability to optimize transaction extraction processes for scalability, performance, and reliability. 
  • Demonstrated understanding of various blockchain architectures such as Bitcoin, Ethereum, Hyperledger Fabric, Corda, Solana, Litecoin, Toncoin etc. 
  • Experience with blockchain development frameworks and tools like Ethereum Solidity, Web3.js, Hyperledger Composer, etc. 
  • Proficiency in programming languages commonly used in blockchain development such as Python or similar as JS, Go, or Solidity is required. 
  • English: Upper-Intermediate or higher 


  • A brand-new office in a BC “Natsionalnyy” + remote working options 
  • 18 business days of vacation, 10 days of sick leave, national holidays off 
  • Compensation for technical conferences/events participation 
  • Free English classes 
  • Gym and shower in the office 
  • Medical insurance 


Become part of a professional and patriotic team that works and supports the Armed Forces of Ukraine and people who need it. Join in 💙