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Software Engineer (Haskell Developer) - Node CLI/API



Remote worldwide

Posted about 1 year ago

IO Global is searching for a Software Engineer (Haskell Developer) to join their Node CLI/API team.

Tech stack

  • Haskell

IO Global is searching for a Software Engineer (Haskell Developer) to join their Node CLI/API team. As a Software Engineer at IOG, you have the exciting challenge of working with cutting-edge research and technology, focusing on the market's needs. Predominantly, the team looks after the Cardano-api, Cardano-node, and Cardano-CLI. This curation involves integrating, testing, and exposing new features provided by the underlying libraries.

Your mission

  • Follow agile software development practices
  • Work with teams across multiple time zones
  • Work independently on software development tasks
  • Be proactive and require minimal supervision or mentoring to complete tasks
  • Review specifications produced by architects and formal methods specialists
  • Contribute to the design of algorithms
  • Write clean, straightforward, efficient code that satisfies previously agreed acceptance criteria and specifications
  • Commit often and submit small pull requests frequently
  • Cover your code with unit, property, and integration tests when applicable
  • Review the pull requests of your teammates
  • Fix bugs in your own code and in legacy code from others
  • Be available for emergency fixing of severity 1 issues on deployed products
  • Integrate software components and third-party libraries
  • Verify and deploy programs and systems
  • Troubleshoot, debug and upgrade existing software
  • Write documentation for the code
  • Write technical user manuals
  • Be knowledgeable about distributed and concurrent computation
  • Be knowledgeable about the basics of cryptography.


Your expertise

  • A degree in Computer Science is desirable but not essential
  • A minimum of 2-3 years development experience (professional or otherwise) in the required language (Haskell, Javascript, Scala, Rust)
  • Experience working with Git and Git workflow
  • Practical experience with Agile software development methods
  • Knowledge of functional and object-oriented programming paradigms
  • Good understanding of Quickcheck/Hedgehog and property testing
  • Good understanding of concurrent programming/concurrency
  • Good understanding of call-by-need, memoization, and lazy evaluation
  • Experience in similar languages: PureScript, Elm, Idris, Agda, Ocaml, F#
  • Experience with / contributions to GHC (Glasgow Haskell Compiler)
  • Familiar with frameworks/libraries such as:
  • conduitcryptonitedistributed-process, lens, optparse-applicative, persistent, pipes, servant, stm, template-haskell
  • Proficiency with advanced FP techniques such as:
  • Advanced functional data structures, Dependent types, Extensible effects, Generic programming, Streaming, Type-level programming.



IOG is a fully distributed organization and therefore this is a remote position.

All Colleagues

  • Flexible schedule
  • Remote work - ability to work anywhere
  • Laptop reimbursement
  • New starter package to buy hardware essentials (headphones, monitor, etc)
  • Learning & Development opportunities
  • Competitive PTO and Sick Leave plan

US Employees

  • Medical, Dental, and Vision benefits coverage through Anthem with 100% premium cost covered by IO Global for the employee and dependents
  • Health Savings Account
  • Life Insurance

UK Employees

  • Monthly Health Stipend to use towards any wellness or medical coverage/service
  • Pension



Contract type

Full time

Visa sponsorship

Not provided

Benefits & perks

  • Healthcare Stipend - UK & Ireland Employees

  • Health Insurance - US Employees

  • Pension

  • No call Fridays

  • 100% remote working

  • Promote From Within

  • Paid time off

  • Paid Sick Days

  • Tokens

  • Committed to a diverse team


  • Learning & Development

  • Performance Bonus

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