Data Scientist



Data Science
Posted on Saturday, August 26, 2023

This role is fully remote from any country (European timezone preferred).

About the position

Regardless of your role, you'll have massive ownership and freedom and have the opportunity to work with a variety of technologies across the stack (and across blockchains).

Technologies we currently use

  • Python data science libraries
  • SQL / Postgres / Athena / dbt
  • Docker / Poetry / Git
  • AWS as our main cloud provider

What you’ll do at Blowfish

  • Take ownership of research & development initiatives
  • Develop robust machine learning systems for cybersecurity use-cases
  • Devise and run analytics experiments to find insights in our data
  • Work closely with the two existing members of the data team
  • Champion a pragmatic approach to Data Science

We'd love to hear from you if...

  • You want to be part of an early team with a lot of new product to build
  • You are excited about working with blockchain technologies
  • You enjoy tackling big problems with unknown solutions
  • You're known to be proactive and are driven by curiosity
  • You can handle complexity, but prefer simplicity


  • Bachelor’s degree in Mathematics, Statistics, Computer Science or equivalent practical experience; Masters or PhD is preferred
  • 2+ years of work experience in commercial data science context (experience working within an event driven architectures is a bonus)
  • Well versed in Python and SQL
  • Proficient in ML experimentation and measurement
  • Understand and appreciate software engineering fundamentals
  • Familiarity with the blockchain ecosystem

Why Work with Us

We are a tight-knit team of blockchain industry veterans solving one of the largest problems facing the mass adoption of crypto: transaction security. Our clients include large wallet providers, including Phantom, the leading wallet on Solana with millions of users. We are scanning millions of transactions each week for malware and scams and are helping keep their users safe. Transaction security is a high leverage way to make a difference in the world — protecting users funds and enabling them to give informed consent when entering digital agreements involving their finances and other ownership rights. We support EVM and Solana blockchains and will be adding more chains soon.


  • 👍 Significantly above market rate equity compensation package — giving you meaningful ownership is important to us
  • 🧘‍♀️ Comprehensive health insurance
  • 💻 Stipend for your ideal remote / WFH set-up: laptop, headphones, and any other work gear you may need.
  • 🏝️ Unlimited vacation with an enforced 20 day minimum policy: Take time off when you need it.
  • ⛰️ Paid travel - team on-sites in different parts of the world, several times a year