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Blockchain Engineer (Rust, Python, C#)

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Gluwa is a borderless financial platform that is composed of mobile apps, REST API, smart contracts, and blockchains (Bitcoin, Ethereum, and our own Creditcoin). Together, they enable you to transact with anyone on the Internet without giving up control of your money.

Gluwa is looking for open source maintainers of Creditcoin.

The Creditcoin network is a live public blockchain. Gluwa is the creator of the Creditcoin protocol and maintains an open-source implementation called Gluwa Creditcoin. We implemented the blockchain-based on Hyperledger Sawtooth.

The cryptocurrency of the project is listed on OKEx, Bittrex Global, and GOPAX.

As a Creditcoin engineer, your first project will be:

The Transition from Hyperledger Sawtooth 1.0.5 to 1.2.0

“Hyperledger Sawtooth (Sawtooth) is an enterprise solution for building, deploying, and running distributed ledgers (also called blockchains).” https://sawtooth.hyperledger.org/

Our company has implemented a PoW consensus engine for Sawtooth 1.0.5 in Python, which you can use as a reference. However, it may not be very straightforward; Sawtooth has changed the architecture in its new version (1.2).

Also, we wish to implement the new consensus engine in Rust instead of Python. https://github.com/gluwa/CreditcoinRequirements::

  • Experience in Rust. Preferably in production.
  • 3+ Years of experience in Python
  • 5 - 8 years of experience in Software Engineering, in at least two other languages
  • A general understanding of how the blockchain consensus algorithms work, such as Proof of Elapsed Time, Proof of Work, etc
  • Ability to discern SDKs from their Codebase. (Sawtooth documentation is often incomplete or not up to date).


  • Proven work experience as a Software Engineer or Software Developer
  • Ability to develop software in Rust and Python and optionally C#.
  • Proficiency in software engineering tools
  • Ability to document requirements and specifications
  • Bachelor’s degree in Computer Science, Engineering or relevant field

Job Duties

Creditcoin Specific Duties

  • Adds new features according to the vision of Creditcoin.
  • Develops tools for Creditcoin users such as REST API, command-line client, Docker image, and mining pool to enhance its usability.
  • Identifies and fixes bugs from the codebase.
  • Determines operational feasibility by evaluating analysis, problem definition, requirements, solution development, and proposed solutions.
  • Communicate with open source users and contributors.

General Duties

  • Document and demonstrate solutions by developing documentation, such as flowcharts, layouts, diagrams, charts, code comments, and clear code.
  • Prepare and install solutions by determining and designing system specifications, standards, and programming.
  • Improve operations by conducting systems analysis; recommending changes in policies and procedures.
  • Search, evaluate, and recommend 3rd party software products we should use.
  • Update job knowledge by studying state-of-the-art development tools, programming techniques, and computing equipment; participating in educational opportunities; reading professional publications; maintaining personal networks; participating in professional organizations.
  • Protect operations by keeping the information confidential.
  • Provide information to internal/external customers by collecting, analyzing, and summarizing development and service issues.
  • Accomplish engineering and organization mission by completing related results as needed.
  • Develop software solutions by studying information needs; conferring with users; studying systems flow, data usage, and work processes; investigating problem areas; following the software development lifecycle.

Commitment to Equal Opportunity

Gluwa is an equal opportunity employer and dedicated to diversity, equity, and inclusion in the workplace. We do not discriminate on the basis of race, religion, color, national origin, sex (including pregnancy, childbirth, reproductive health decisions, or related medical conditions), gender, gender identity, gender expression, sexual orientation, age, marital status, veteran status, disability status, political views or activity, or other applicable legally protected characteristics. We believe that a variety of perspectives will make our teams and business stronger as we work together to build a borderless financial platform.

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Apply now

Please let Gluwa know you found this position on Cryptocurrency Jobs as a way to support us so we can keep providing you with quality crypto jobs.

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