POSTED Dec 1

Full Stack Engineer (SDK) at Ballast Fi

  • Programming
  • Fulltime
  • Anywhere (100% Remote) Only
Job Description

Our SDK is the library that runs in the browser, enabling dapp developers to integrate with Ballast. It’s a complex piece of software that uses a lot of deep browser technology for state management and proof construction parallelisation. It’s resource heavy, both in terms of memory, and cpu usage. It will need careful attention to ensure it can handle a network processing many thousands of transactions per day. We’re looking for engineers with specific deep browser experience.

Responsiblities

  • Improve the performance of the SDK, be it by reducing network data transmission for synchronisation, internal scheduling of jobs over workers, reduction in memory footprint etc.
  • Ensure the SDK can run is many browser environments as possible, including on mobile, where resources are even further constrained.
  • Investigate / implement ECC scalar multiplication code on GPU’s via WebGL or equivalent, if possible.
  • Paying very close attention to the API to ensure a simple developer experience. Documenting where necessary.
  • Extending the SDK to support new features, such as new signature schemes, atomic transactions for trading, and more.

Requirements

  • 5+ years engineering experience.
  • 2+ years of Typescript experience.
  • Deep browser tech experience e.g indexedDB, WebGL, WebAssembly, etc.
  • Demonstrable experience pushing the limits of the browser and optimising accordingly.
  • Fluent in English with excellent communication skills.

Ballast's benefits include unlimited and encouraged time off, 100% company-paid medical, dental, & vision for you and your dependents, 401(k) participation, annual $1,500 education stipend, up to 16 weeks paid parental leave, home office setup stipend for remote employees.

Ballast is proud to be an equal opportunity employer (EEO). We provide employment opportunities without regard to age, race, color, ancestry, national origin, religion, disability (including gender dysphoria and similar gender-related conditions), sex, gender identity or expression, sexual orientation (including actual or perceived heterosexuality, homosexuality, bisexuality, and asexuality), veteran status, military status, domestic violence victim status, reproductive health decision making or any other protected category. 

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