Principal Quality Engineer (Performance Engineering Architect)

12+ years’ experience in software engineering, quality engineering, SRE or a comparable role, including significant experience in performance, load testing or production-scale systems.

Deep experience with at least one major load-testing stack, such as k6, Gatling, JMeter or an equivalent tool.

Strong scripting or programming experience using Java, JavaScript, TypeScript, Python or a comparable language.

Proven experience integrating performance tests into CI/CD pipelines.

Strong working knowledge of performance metrics, logs, traces and dashboards.

Track record of architecting multi-product performance engineering programmes while still contributing code, scripts and pipelines hands-on.

Experience building shared quality engineering, platform engineering or performance testing capabilities across multiple teams.

Strong understanding of load profiles, capacity testing, baseline management, regression detection and release-readiness criteria.

Ability to work with engineering teams to investigate bottlenecks and support root-cause analysis.

Clear communication skills, with the ability to explain performance risk and technical findings to engineering teams and leadership.

Good analytical and problem-solving skills, with attention to detail and a structured approach to complex technical issues.

Working knowledge of Agile or Scrum delivery practices.

Financial services industry experience is preferred.

Be recognised for your contribution through a discretionary annual cash bonus, linked to individual and company performance.

Work flexibly with up to 100 remote working days per calendar year.

Take time to recharge with generous annual leave, plus public holidays.

Access comprehensive health insurance for you and your dependents from your first day.

Receive personal accident insurance from the start of your employment.

Connect with colleagues at an annual company-sponsored team retreat, hosted at a new location each year.

If relocating from more than 40 miles away, receive hotel accommodation and travel ticket reimbursement.

About EquiLend EquiLend is a global financial technology firm at the center of the securities finance industry. Since 2001, we have built the infrastructure that financial institutions rely on to trade, manage, and report. This includes products such as our NGT trading platform, Post Trade Suite, DataLend market intelligence, RegTech solutions, and EquiLend Clearing Services. We operate across North America, EMEA, and Asia-Pacific, working with banks, broker dealers, asset managers, and custodians to bring greater efficiency, transparency, and automation to the securities finance lifecycle. Our teams combine deep market expertise with a focus on building technology that works at scale, under real-world conditions, for some of the world's most demanding financial institutions. EquiLend is Great Place to Work Certified™ in the U.S., UK, Ireland, and India, and has been recognized as Global Data Provider of the Year and Regulatory Solution of the Year at the Securities Finance Times Industry Excellence Awards 2025. Diversity & Inclusion We know that the best solutions come from teams that bring different perspectives, backgrounds, and ways of thinking to the table. At EquiLend, we are committed to building a workplace where everyone feels they belong and aim to reflect this in how we hire, develop, and support our people. We are actively working to ensure our teams are as diverse as the global markets and clients we serve. That means creating an environment where different viewpoints are sought out and where people can do their best work regardless of background. If you require any reasonable adjustments or accommodations at any stage of the recruitment process, please let us know and we will work with you to make it happen. #LI-Hybrid