Principal Performance Engineer
Principal Performance Engineer

Principal Performance Engineer

Full-Time 48000 - 84000 £ / year (est.) Home office possible
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At a Glance

  • Tasks: Lead performance testing strategy and build scalable environments in a dynamic fintech.
  • Company: Join a fast-growing fintech transforming its platform with innovative technology.
  • Benefits: Enjoy 45 days holiday and fully remote work options.
  • Why this job: Make a significant impact in a high-visibility role with a talented team.
  • Qualifications: 8+ years in performance testing, with strong expertise in JMeter and API testing.
  • Other info: This role offers autonomy to shape the future of performance engineering.

The predicted salary is between 48000 - 84000 £ per year.

An exciting opportunity has opened up at a fast-growing fintech undergoing a major platform transformation who are looking for a Principal Performance Engineer to establish and scale a modern performance testing function.

You will have the autonomy to define strategy, build tooling, and create performance environments in a multi-cloud/on-prem architecture. This is a high-impact, highly visible role with influence across engineering, DevOps, and product teams.

What you’ll be doing:

  • Leading performance testing strategy and implementation across the stack
  • Designing and managing dedicated performance test environments
  • Building scalable, production-replica load scenarios
  • Driving a shift-left performance culture across engineering
  • Identifying bottlenecks, tuning infrastructure, and enabling high availability
  • Advising senior stakeholders on system health and performance risks

You’ll need to bring:

  • 8+ years of performance testing experience in enterprise environments
  • 5+ years in a lead or principal role within quality engineering
  • Strong hands-on expertise with platforms: JMeter, BlazeMeter and Cloudflare, etc.
  • Proven experience testing APIs, web applications, and databases: i.e PostgreSQL, Oracle and MSSQL.
  • Experience designing performance test environments and load generation tools
  • Familiarity with DevOps, CI/CD, observability, and performance SLAs

This is a rare opportunity to join a high-performing team and shape the future of performance engineering at a company backed by strong growth and clear technical leadership.

Please quick apply with your CV or reach out to lauren.tiffin@primis-talent.com for more information.

Principal Performance Engineer employer: Job Traffic

Join a dynamic fintech company that prioritises innovation and employee autonomy, offering a fully remote work environment with an impressive 45 days of holiday. As a Principal Performance Engineer, you'll have the unique opportunity to lead transformative projects while collaborating with cross-functional teams, ensuring your contributions are recognised and impactful. With a strong focus on professional growth and a culture that embraces cutting-edge technology, this role is perfect for those seeking meaningful and rewarding employment in a rapidly evolving industry.
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Contact Detail:

Job Traffic Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Principal Performance Engineer

✨Tip Number 1

Network with professionals in the fintech and performance engineering sectors. Attend relevant meetups or webinars to connect with industry experts who might provide insights or even referrals for the role.

✨Tip Number 2

Showcase your hands-on experience with performance testing tools like JMeter and BlazeMeter. Consider creating a portfolio or case studies that highlight your successful projects and the impact they had on system performance.

✨Tip Number 3

Prepare to discuss your leadership experience in quality engineering. Be ready to share specific examples of how you've driven performance testing strategies and influenced teams in previous roles.

✨Tip Number 4

Familiarise yourself with the company's tech stack and their approach to performance engineering. This will help you tailor your discussions and demonstrate your genuine interest in contributing to their platform transformation.

We think you need these skills to ace Principal Performance Engineer

Performance Testing Strategy
Load Testing Tools (JMeter, BlazeMeter, Cloudflare)
API Testing
Web Application Testing
Database Performance Testing (PostgreSQL, Oracle, MSSQL)
Performance Test Environment Design
Load Generation Tool Development
DevOps Practices
CI/CD Integration
Observability Techniques
Performance SLAs Management
Bottleneck Identification
Infrastructure Tuning
High Availability Solutions
Stakeholder Communication

Some tips for your application 🫡

Tailor Your CV: Make sure your CV highlights your 8+ years of performance testing experience and your leadership roles. Emphasise your hands-on expertise with tools like JMeter and BlazeMeter, as well as your experience with APIs and databases.

Craft a Compelling Cover Letter: In your cover letter, express your enthusiasm for the role and the company. Discuss how your experience aligns with their needs, particularly in establishing a performance testing function and driving a shift-left performance culture.

Showcase Relevant Projects: Include specific examples of projects where you designed performance test environments or identified bottlenecks. This will demonstrate your practical experience and problem-solving skills to potential employers.

Highlight Soft Skills: Don’t forget to mention your ability to advise senior stakeholders and collaborate across teams. Strong communication and leadership skills are crucial for this high-impact role.

How to prepare for a job interview at Job Traffic

✨Showcase Your Experience

Make sure to highlight your 8+ years of performance testing experience. Be prepared to discuss specific projects where you led performance testing strategies and how you implemented them in enterprise environments.

✨Demonstrate Technical Proficiency

Familiarise yourself with the tools mentioned in the job description, such as JMeter and BlazeMeter. Be ready to explain how you've used these platforms in past roles, particularly in designing performance test environments.

✨Discuss Your Leadership Skills

As this role is a principal position, it's crucial to convey your leadership experience. Share examples of how you've driven a shift-left performance culture and advised senior stakeholders on system health and performance risks.

✨Prepare for Scenario-Based Questions

Expect questions that assess your problem-solving skills, especially regarding identifying bottlenecks and tuning infrastructure. Think of scenarios where you successfully improved system performance and be ready to discuss your approach.

Principal Performance Engineer
Job Traffic
J
  • Principal Performance Engineer

    Full-Time
    48000 - 84000 £ / year (est.)

    Application deadline: 2027-07-06

  • J

    Job Traffic

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