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Blockchain Software Engineer

$60k - $150k

This job is closed

🦬 Bisonai

Bisonai aims to provide infrastructure services for companies to easily build the future of web with blockchain technology.

The company was co-founded by developers with background in Robotics, IT, AI and years of experience in running IT startups, Kakao Brain and HyperConnect. We want to create a big innovation in the blockchain sector.

β›“ The blockchain industry

has had tremendous amount of funding and technological innovation, led by the cryptocurrency industry, but it is still immature, and we are facing the reality that we will lose the trust and assets of various stakeholders overnight.

Bisonai team with years of experience in mature technology, saw an immature industry as an opportunity, compared to the enormous growth of blockchain technology.

First of all, we would like to provide blockchain consulting and solution-based SaaS business in the form of B2B to understand the needs of the market and make a mature technology base.

🌎 Currently,

We are part of the CIC (Company in Company) organization of Krust Universe, which actually operates the blockchain mainnet, Klaytn in Korea and has an excellent inhouse development team.

We are planning to spin-off when a clear business model and cash flow are well-defined. As a startup with lack of resources to keep up with the pace of technological advancement, we think it's a great opportunity to move months to years ahead with Krust's wholehearted support to focus on the essence.


Bisonai is looking for a talented Blockchain Software Developer who has a deep understanding of blockchain and is capable of designing and implementing new blockchain protocols. You will play an important role in Bisonai, and shape the future of blockchain and decentralized finance.


  • Good understanding of blockchain, consensus schemes, smart contracts, EVM, ERC and EIP standards, decentralized protocols, and cross-chain interoperability.
  • Experience in smart contract development, auditing, code review, security best practices, good documentation practices, and production deployment.
  • Strong desire to learn about the latest blockchain technologies, web3, and DeFi protocols.
  • Proficiency in one or more programming languages (e.g. Rust, Python).
  • Hands-on experience with a version control system (git).
  • Ability to communicate in English.
  • Strong written and verbal communication skills.
  • Bachelor’s, Master’s, or PhD degree in Computer Science, Mathematics, Statistics, or equivalent field.

  • Design, develop, test, debug, deploy and maintain smart contracts code.
  • Participate in the overall structure design, scalability, optimization security and performance.
  • Responsible for the daily operation and maintenance of decentralized applications to ensure the stable operation of the production system.
  • Keep up with the latest trends and developments in the blockchain space.

  • Knowledge of other blockchains (e.g. Klaytn, Polkadot, Solana) and blockchain tools (e.g. Substrate)
  • Experience in designing the architecture of complex projects and taking them through to production deployment.
  • Understanding and hands-on experience in applied cryptography.
  • Experience in a token engineering, decentralized finance, or governance community or ecosystem.
  • Experience in modern deployments through a CI/CD pipeline.
  • Experience with cloud computing (e.g. AWS, GCP).

To apply, please send an email to [email protected] preferably including your resume and a link to your GitHub. Optionally, give a brief introduction about yourself and experience working in the blockchain industry. Our recruiter will get back to you within 1-3 days to set up an introductory video call and see if this position would be a good fit.

  1. Apply with Resume & Portfolio.
  2. Introductory video call.
  3. Coding interview or take-home assignment.
  4. Final interview & Salary negotiation.


⏰ Free Working Hours

Work during core working hours (11am ~ 4pm) and get to work freely!

🏠 Work from Home

We encourage you to work where and when you can focus the most! When you're working from home, we get together at the online office β€œGather town” πŸ™‚

πŸ– Vacation!

Anytime, whenever you need it! You can use your break freely without an approval process after sharing the schedule with the team members πŸ˜†

🎯 Supports

There are various welfare systems such as daycare centers, insurance, congratulatory support, and medical checkups! In addition, we provide improvement of team work and cooperation expenses πŸ‘

πŸ–₯ Best Equipments

Macs, monitors, keyboards, and all the equipment you need for your job are available at the minimum!

🍫 Snack Bar

Delicious snacks and drinks are always prepared, and you can have them anytime and recharge your energy πŸ’ͺ