IOHKIO

Senior Software Engineer (Haskell) - Consensus - IOE: Cardano

Founded in 2015 by Charles Hoskinson and Jeremy Wood, IOHK is one of the world's pre-eminent blockchain infrastructure research and engineering companies.

IOHK

Employee count: 201-500

United Kingdom only

Who are we?

IOG, is a technology company focused on blockchain research and development. We are renowned for our scientific approach to blockchain development, emphasizing peer-reviewed research and formal methods to ensure security, scalability, and sustainability.

Our projects include the Cardano blockchain, as well as other products in the areas of decentralized finance (DeFi), governance, and identity management, aiming to advance the capabilities and adoption of blockchain and Web3 technology globally.

What the role involves:

As a Senior Software Engineer, you are responsible for improving how IOG builds and maintains software, alongside actively contributing to product development. This includes the quality of engineering practices within a team and working across teams to identify cross-team improvements for IOG by (for example) sharing code, removing complexity or implementing new practices.

As a senior member of the team you are expected to mentor and grow other software engineers and act as a go-to person within the team and the wider organisation across multiple codebases and languages.

  • Advocates for and models great quality with proactive actions, and tackles difficult and subtle system issues
  • Uses systematic debugging to diagnose all issues within a set of related domains and leads in fostering a culture of observability and monitoring across several teams
  • Regularly works across teams to build a culture for iterative, autonomous development and future scaling.
  • Is a technical and prioritisation leader across a set of related team's domains, consistently pushing boundaries and exploring gaps in understanding.
  • Is a go-to within the team and the wider organisation across multiple codebases.
  • Be proactive and require minimal supervision or mentoring to complete tasks
  • Review specifications produced by architects and formal methods specialists
  • Lead the design of components and their interactions
  • Be available for emergency fixing of severity 1 issues on deployed products
  • Verify and deploy programs and systems
  • Write documentation for the code
  • Write technical user manuals

Requirements

Who you are:

  • Degree in Computer Science is desirable but not essential
  • 10+ years of software engineering experience in Haskell
  • Experience working with Git and Git workflow
  • Ability to understand project needs, objectives and timescales to feed into planning and setting deadlines for a specific stream.
  • Clearly articulates new issues, suggests changes to management for implementation.
  • Write idiomatic code that satisfies the acceptance criteria of a given task
  • Write tests (unit tests, property tests) that provide sufficient and non-superfluous efficient code coverage.
  • Document code and APIs concisely and unambiguously
  • Provide detailed guidance on the work to be done, assist with task assignments and deliver deep reviews and feedback on the work.
  • Pragmatically adhere to software engineering principles (modularity, incremental development, no premature optimization, no feature creep, no speculative generality, ...)

Specialist Skills ( Consensus)

  • Experience maintaining large and complex codebases.
  • Ability to understand scientific research and apply it to software design and implementation.
  • A deep understanding of distributed systems, ensuring a strong foundation for contributing to relevant projects.
  • Prior experience with blockchain technology is advantageous but not required.
  • Experience debugging Haskell performance problems (CPU usage, and memory leaks)
  • Demonstrated ability to navigate the typical developer workflow effectively, including code review, debugging, and thorough documentation of decisions and processes.

Are you an IOGer?

Do you find yourself questioning the status quo? Do you tinker with ideas and long to turn those ideas into solutions? Are you able to spark thoughtful debates, bringing out the inquisitiveness in others? Does the promise of continuously growing excite you? Then get ready to reimagine everything you thought wasn’t possible because that’s what it means to be an IOGer - we don’t set limits, we break them.

Benefits

  • Remote work
  • Laptop reimbursement
  • New starter package to buy hardware essentials (headphones, monitor, etc)
  • Learning Development opportunities
  • Competitive PTO

At IOG, we value diversity and always treat all employees and job applicants based on merit, qualifications, competence, and talent. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.

About the job

Apply before

Posted on

Job type

Full Time

Experience level

Senior

Location requirements

Hiring timezones

United Kingdom +/- 0 hours

About IOHK

Learn more about IOHK and their company culture.

View company profile

Founded in 2015 by Charles Hoskinson and Jeremy Wood, IOHK is one of the world's pre-eminent blockchain infrastructure research and engineering companies. We are a fully decentralised remote working organisation committed to the highest principles of academic rigour and evidence-based software development. The company builds high-assurance blockchain infrastructure solutions for public, private sector and government clients. It is also the driving force behind the decentralised and smart contract platform, Cardano.

Cascading disruption

It is the founding principle of IOHK. Cascading disruption is the idea that most of the structures that form the world’s financial, governance and social systems are inherently unstable and thus minor perturbations can cause a ripple effect that fundamentally reconfigures the entire system. Our company is committed to identifying and developing technology to force these perturbations in order to push towards a more fair and transparent order.

The mission of IOHK

We view the world as a series of giant and mostly interconnected social graphs with hundreds of complex systems embedded. Our mission is to perturb the graphs to a more connected, transparent and fair configuration for both the flow of ideas and value.

Input Output the company

IOHK is a truly global organisation with a remote team of 400+ people across 50+ countries. We have a rich culture with people from all over the world offering different skillsets, different cultural perspectives and at different life stages.

Employee benefits

Learn about the employee benefits and perks provided at IOHK.

View benefits

Flexible work schedule

As a global, distributed company, colleagues can work to a flexible schedule.

Laptop reimbursement

All colleagues are eligible to have a laptop purchase reimbursed up to $2,000.

Generous vacation

All of our full-time employees and service providers receive a minimum of 4 weeks PTO a year.

Professional development

IO Global offers specialised learning platforms & extensive internal content for continued learning, up-skilling, and development.

View IOHK's employee benefits
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IOHK

Company size

201-500 employees

Founded in

2015

Chief executive officer

Charles Hoskinson

Employees live in

View company profile

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