Find a job 
Featured Companies 
Featured Universities 
For Companies At a Glance
- Tasks: Own release testing and ensure top-notch quality for a real-time trading platform.
- Company: Fast-growing trading technology startup with a dynamic work culture.
- Benefits: Competitive salary, hybrid work model, and opportunities for professional growth.
- Why this job: Make a real impact on production quality in a high-stakes trading environment.
- Qualifications: Experience in release testing, web application, and API testing.
- Other info: Exciting role with ownership and visibility in a cutting-edge fintech space.
The predicted salary is between 43200 - 72000 £ per year.
A fast-growing trading technology startup is hiring a QA / Test Engineer to own release readiness and production quality across its real-time trading platform. This is a system-level role focused on validating what actually ships to customers across web GUIs, APIs, and live trading environments.
The Role
- Own end-to-end release testing and production sign-off
- Validate real user workflows across multiple JavaScript trading GUIs
- Test APIs (REST, WebSockets, FIX) and end-to-end trading flows
- Build and maintain Cypress automation for critical journeys
- Integrate QA into Azure DevOps CI/CD release pipelines
What We're Looking For
- Experience owning release testing and production sign-off
- Strong web application and API testing experience
- Hands-on Cypress (or similar automation framework)
- CI/CD exposure (Azure DevOps preferred)
- Comfortable working across multiple live environments
Nice to Have
- Trading, fintech, or crypto platform exposure
- Real-time or low-latency system experience
A high-impact role offering real ownership, visibility, and influence over production quality in a live trading environment.
Quality Assurance Engineer in London employer: Harrington Starr
Contact Detail:
Harrington Starr Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Quality Assurance Engineer in London
✨Tip Number 1
Network like a pro! Reach out to folks in the trading tech space on LinkedIn or at industry events. A friendly chat can open doors that a CV just can't.
✨Tip Number 2
Show off your skills! Create a portfolio showcasing your QA projects, especially any automation work with Cypress. This gives potential employers a taste of what you can do.
✨Tip Number 3
Prepare for those interviews! Brush up on your knowledge of web applications and APIs, and be ready to discuss your experience with CI/CD pipelines. Confidence is key!
✨Tip Number 4
Apply through our website! We love seeing candidates who take the initiative. Plus, it shows you're genuinely interested in joining our team.
We think you need these skills to ace Quality Assurance Engineer in London
Some tips for your application 🫡
Tailor Your CV: Make sure your CV highlights your experience with release testing and production sign-off. We want to see how your skills align with the role, so don’t be shy about showcasing your web application and API testing experience!
Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Tell us why you’re passionate about quality assurance and how your hands-on experience with Cypress or similar frameworks makes you the perfect fit for our team.
Showcase Relevant Experience: If you've worked in trading, fintech, or crypto platforms, make sure to mention it! We love candidates who bring real-time or low-latency system experience to the table, so let us know how you can contribute.
Apply Through Our Website: We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you don’t miss out on any important updates from our team!
How to prepare for a job interview at Harrington Starr
✨Know Your Tech Inside Out
Make sure you’re well-versed in the technologies mentioned in the job description, especially around web applications, APIs, and automation frameworks like Cypress. Brush up on your knowledge of REST, WebSockets, and FIX protocols, as these will likely come up during technical discussions.
✨Demonstrate Your Testing Process
Be prepared to walk through your testing methodologies and how you approach release readiness. Share specific examples of how you've validated user workflows and ensured production quality in previous roles. This will show that you can own the end-to-end testing process.
✨Familiarise Yourself with CI/CD Pipelines
Since the role involves integrating QA into Azure DevOps CI/CD pipelines, it’s crucial to understand how these systems work. If you have experience with CI/CD, be ready to discuss how you’ve implemented or improved these processes in past projects.
✨Show Your Passion for Trading Tech
If you have any experience in trading, fintech, or crypto platforms, make sure to highlight it. Even if you don’t, showing enthusiasm for the industry and understanding its challenges can set you apart. Research current trends and be ready to discuss how they might impact quality assurance in a live trading environment.
