Overview

Principal/Manager – Performance Engineering (Full-time, Remote – UK). We are working with a high-growth global fintech, renowned for delivering world-class payments-related software and technology. This is a greenfield opportunity to shape a Performance Engineering function, drive strategy, define architecture, and foster a performance-first culture aligned with the company’s growth and product vision.

Base pay range

This range is provided by Eden Scott. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

What You’ll Do

You will design and execute a performance testing strategy across a hybrid cloud/on-premise infrastructure. Whether you’re a technical leader or a people manager, your focus will be on enabling scalable, high-performance systems that support real-world merchant use cases.

• Architect performance test environments and lead the execution of load, stress, and soak testing.
• Define and evolve the performance engineering strategy in partnership with Engineering, DevOps, and TechOps teams.
• Implement shift-left performance practices to catch bottlenecks early and ensure SLAs are met.
• Analyse production traffic patterns to design accurate and predictive test scenarios.
• Develop tools for synthetic load generation and guide infrastructure tuning for optimal performance.
• Provide visibility across the organisation with insights that drive decisions and improvements.

What You’ll Bring

• Proven experience (8–10+ years) in performance testing of enterprise-grade applications.
• Strong background in designing and executing performance strategies for web services, APIs, and databases (PostgreSQL, MSSQL, Oracle, etc.).
• Hands-on expertise with tools like JMeter, Blazemeter, K6, Kibana, Cloudflare, and modern monitoring solutions.
• Deep understanding of DevOps and Infrastructure as Code (Terraform, CloudFormation, etc.).
• Ability to translate business and non-functional requirements into robust performance models.
• Strong analytical mindset, able to identify bottlenecks and provide clear, actionable tuning recommendations.
• For leadership candidates: 4+ years managing high-performing teams and driving cross-functional collaboration.
• For technical principals: Demonstrated ability to lead technically, mentor others, and drive tooling and process innovation.

Why Join?

• High impact, low bureaucracy: Work in small, empowered teams with real ownership and autonomy.
• Career growth: Advance your leadership or technical journey while solving meaningful problems.
• Real-world impact: Design systems that power merchant operations at scale, with performance at their core.
• Join a team that values curiosity, pragmatism, and craft — and help shape the future of payments technology from day one.

Seniority level

Mid-Senior level

Employment type

Full-time

Job function

Information Technology

Industries

IT Services and IT Consulting

Edinburgh, Scotland, United Kingdom