Senior Software Test Engineer - Bitcoin DeFi

Input Output (IOHK); United Kingdom; Remote; GBP 50,000 - 70,000; Full time

Job summary

A leading technology company in the United Kingdom seeks a Senior Software Test Engineer to drive test strategy and quality assurance in software delivery. The role involves defining test frameworks, championing automation, and collaborating with cross-functional teams to ensure high-quality outcomes. Candidates should have over 5 years of testing experience, expertise in QA methodologies, and proficiency in programming languages. The position offers remote work and various benefits including a new starter package.

Benefits

Remote work

Laptop reimbursement

Learning & Development opportunities

Competitive PTO

Qualifications

• 5+ years of testing experience with solid expertise in the QA lifecycle.
• Strong knowledge of testing methodologies and tools.
• Experience in performance and security testing.

Responsibilities

• Define and drive test strategy for high-impact projects.
• Design advanced test frameworks and create automation solutions.
• Champion test automation at scale by building robust test suites.

Skills

Testing experience

Knowledge of testing methodologies

Hands-on experience with automation frameworks

Proficiency in programming languages

Analytical skills

Education

Higher degree in Computer Science, Engineering, Mathematics, Physics

Tools

Automation frameworks

CI/CD

API testing

Job description

Overview

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 curiosity and a desire for positive change to everything we do, fueling creativity and progress within our teams so our products and services empower people to be fearless and to drive change.

What is Bitcoin DeFi: Bitcoin DeFi is about unlocking real utility for the world’s most trusted digital asset without compromising user control. Traditional models often require custodial arrangements or wrapped tokens; our goal is to enable DeFi without giving up custody of BTC.

What the role involves

Do you thrive on solving complex problems, driving quality at scale, and ensuring world-class software delivery? We are looking for an experienced Senior Software Test Engineer to join our team. You will shape test strategy, lead automation frameworks, and deliver rock-solid software. You will work closely with Technical Architects, Software Engineers, and Product across the SDLC to ensure everything we build runs smoothly, efficiently, and to the highest quality standard.

• Define and drive test strategy for high-impact projects
• Design advanced test frameworks and create automation solutions for complex systems
• Champion test automation at scale by building robust test suites and integrating them into CI/CD pipelines
• Analyse and optimise test results, recommending improvements at both the code and process level
• Troubleshoot and lead root cause analysis, ensuring rapid resolution of critical issues
• Manage defects with rigour while mentoring others in QA best practices
• Act as the escalation point for technical services and production incidents, driving preventative measures and long-term improvements

Requirements

Who you are:

• 5+ years of testing experience with solid expertise in the QA lifecycle
• Strong knowledge of testing methodologies and tools (ISTQB/ISEB certification a plus)
• Hands-on experience with automation frameworks, CI/CD, API testing, and distributed systems
• Proficiency in at least one modern programming language (Rust, Python, Haskell, Java, Scala, C#, C++)
• Experience in performance and security testing (a big plus)
• Blockchain/Web3 experience
• Strong analytical, documentation, and communication skills with a real passion for quality
• A higher degree in Computer Science, Engineering, Mathematics, Physics, or a related field

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 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.

Job details

• Seniority level: Mid-Senior level
• Employment type: Full-time
• Job function: Engineering and Information Technology
• Industries: Non-profit Organizations and Primary and Secondary Education

Get notified about new Senior Software Test Engineer jobs in United Kingdom.