Ios Developer jobs in United Kingdom

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IOHK

United Kingdom

Other

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Yes

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3ce597a91e85

15

12.08.2025

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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 decentralized finance (DeFi), governance, and identity management, aiming to advance the capabilities and adoption of blockchain technology globally.

We invest in the unknown, applying our curiosity and desire for positive change to everything we do. By fueling creativity, innovation, and progress within our teams, our products and services are designed for people to be fearless, to be changemakers.

What the role involves:

As a Software Engineer at IOE you are responsible for writing high-quality code for our products. You have the exciting challenge of working with cutting-edge research and technology with a focus on the market's needs. To support you on this challenge, our products have software architects, product managers, project managers, formal methods specialists and QA test engineers, with whom you must communicate professionally, effectively and efficiently.

• Follow agile software development practices
• Work with teams across multiple time zones
• Work independently on software development tasks
• 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
• Is a technical and prioritisation leader across a set of related team's domains, consistently pushing boundaries and exploring gaps in understanding.
• 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 team mates
• 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 of distributed and concurrent computation
• Be knowledgeable of the basics of cryptography
• Implement new features of the stablecoin protocol and additional products
• Design and implement testing strategies for stablecoin and other products
• Synchronize with the technical manager to validate the roadmap
• Identify opportunities for improving productivity and robustness through refactorings / adoption of industry best practices
• Translate specifications into concrete designs, considering architectural design and security aspects
• Pair program with other team members, aiming to collaborate and educate
• Liaise with operations and UI teams to ensure that all aspects of product quality are considered
• Occasionally work on prototypes to try out new features in an experimental setting
• Estimate & prioritize work items and break them down into smaller tasks

Requirements

Who you are:

• Degree in Computer Science is desirable but not essential
• A minimum of 2-3 years development experience (professional or otherwise) in Haskell
• 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 Haskell type system, libraries and GHC runtime & performance
• Ability to work in a team and collaborate across different time zones and levels of experience
• Exceptional ability to communicate ideas in writing. Must be able to implement formal specifications
• 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
• Break down tasks into sub-tasks that are completable in a short amount of time and report completion as required by managers
• Pragmatically adhere to software engineering principles (modularity, incremental development, no premature optimization, no feature creep, no speculative generality, ...)
• Optional
• Knowledge of blockchain and DeFi applications, specifically Cardano
• Experience with finance applications
• Experience using nix
• New starter package to buy hardware essentials (headphones, monitor, etc)
• 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.