Virtual Machine Engineer

Virtual Machine Engineer


We are looking for an engineer well-versed in computer programming languages and compilers, preferably with experience in WebAssembly, to join our team in Santa Clara, California. As a member of the core ledger team you will be able to help shape the design and implementation of the core Taraxa codebase. You will be working on a fast-paced and rapidly-growing project with global impact.


Why work for Taraxa?

You will have the opportunity to work with a growing, talented and dynamic team collectively focused and highly driven to develop next generation blockchain technology that will revolutionize IoT ecosystems, business practices, and emerging machine-to-machine economies.





  • Take ownership of critical modules of the virtual machine, work with the team to define inter-module interfaces

  • Work on concurrency conflict detection, conflict minimization, ledger runtime libraries

  • Work to define secure yet flexible smart contract logic and structures

  • Help with application developers to design easy to use smart contract templates

  • Design, implement, and maintain efficient, reusable, and reliable code

  • Design and implement module-level tests and benchmarks

  • Participate in team-wide code reviews

  • Proactively identify and remedy performance bottlenecks and security vulnerabilities

  • Help coordinate the efforts of part-time and open-source contributors




  • 3+ years of experience in an environment where latency, reliability, and security are critical success factors

  • Strong proficiency in C++

  • Proficiency in TypeScript / JavasScript

  • Expertise in programming language, formal verification, and logic

  • Degree in computer science or a related field

  • Highly independent and self-directed, able to work with minimal supervision

  • Authorized to work in the US (we provide visa sponsorships as needed)





  • Experience working with WebAssembly toolchains (e.g., Emscripten) and interpreters (e.g., WAVM, node.js)

  • Experience with compiler optimizations and LLVM infrastructure

  • Experience with large-scale server infrastructure and distributed systems

  • Experience with open source software development

  • Experience with blockchain smart contracts and contract languages (e.g., Solidity)

  • Ability to write clear and concise technical documentation

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