Job Description
About the role
We’re looking for a Senior QA Automation Engineer to join an established trading platform development programme for a large enterprise client. The platform has been live in production for over 7 years, with most of the core team having worked on it for close to 5 years on average — a reflection of the stability, quality, and long-term nature of this engagement.
The system is production-critical and actively evolving, with a strong focus on performance, reliability, and maintainability. While Applied Blockchain is well known for distributed ledger and cryptography work, this role is focused on a non-blockchain trading system built using modern TypeScript-based technologies.
You’ll be responsible for building and maintaining automated test pipelines, ensuring the quality of the platform as it continues to grow. You’ll be joining a highly experienced team of senior engineers and QA engineers, where autonomy, technical ownership, and a commitment to quality are expected.
What you’ll be doing
Building and maintaining automated test pipelines utilising Playwright tests
Analyse, understand, and review the products’ functional and non-functional requirements and identify gaps and inconsistencies
Develop automated tests for software validation, ensuring high quality of the system
Understand LLMs/AI and spot where it can be used to improve personal/team efficiency and quality of the trading platform. However, your work remains your responsibility and you will be expected to understand and explain whether using LLMs or not
Collaborate with engineers from the early stages of delivery to ensure quality is considered throughout
Report and manage/triage existing defects, ensuring proper follow-up and actions are being taken by the team
Promote and adopt QA best practices, contributing to their continuous improvement
Contribute to the definition of test automation guidelines and standards in order to improve the software testing process
3+ years of experience writing automated tests for web and/or non-web applications
Strong knowledge of QA methodologies, tools and processes
Fluency in JavaScript/TypeScript and Git/GitHub
Experience with Jest, Playwright and BDD tools (e.g. Cucumber)
Nice to have
We have a preference for a hybrid working arrangement, however flexibility can be discussed depending on the candidate and location
Experience with high-volume, high-availability enterprise systems
Experience building or testing REST and/or WebSocket APIs
Exposure to trading applications in production
Performance testing experience with K6, Artillery or similar
5 days/per year for training
£1,000 annual allowance for training (up to 50% of this value can be used for you to buy workstation equipment to work from home)
In-person fun team events/team buildings every 3 months
Company equipment and onboarding kit
Annual bonus (dependent on company and personal performance)
Stock option plan
Birthday off
Generous employee referral programme
