Senior Performance Test Engineer - Hybrid Madrid
- Hiring from
- Spain
- Work type
- Hybrid
- Posted
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Role Description
We are still looking for the very Top Talent…and we would be delighted if you were to join our team!
More in details, UST is a multinational company based in North America, certified as a Top Employer and Great Place to Work company with over 35.000 employees all over the world and presence in more than 35 countries. We are leaders on digital technology services, and we provide large-scale technologic solutions to big companies.
What we look for?
We are looking for a Senior Performance Test Engineer to join our Performance Test Services team. In this role, you will act as a technical expert and trusted advisor, helping internal teams ensure that applications and services meet the highest standards of performance, scalability, stability, and availability.
Working closely with developers, architects, product owners, and operations teams, you will design, implement, execute, and analyze performance tests and synthetic monitoring solutions that contribute to software quality and system resilience across critical business platforms.
Hybrid position in Madrid (3 days at client´s office, Sol area, next to the underground).
Key Responsibilities
Design, develop, and execute performance and load testing strategies for business-critical applications.
Build and maintain synthetic monitoring solutions to proactively measure application availability and user experience.
Analyze test results and produce clear, actionable reports, including optimization recommendations.
Review and assess performance testing and monitoring code written in Java, JavaScript, and TypeScript.
Identify performance bottlenecks across applications, APIs, infrastructure, and integrations.
Act as a trusted advisor, supporting stakeholders in defining and implementing testing and monitoring strategies.
Contribute to the continuous improvement of testing frameworks, automation capabilities, methodologies, and best practices.
Ensure high-quality, scalable, and maintainable test solutions throughout the software delivery lifecycle.
Mandatory Requirements
5+ years of hands‑on experience in:
Strong analytical and troubleshooting skills with a structured approach to root-cause analysis.
Experience Developing Performance And Synthetic Monitoring Solutions Using
English C1
Technical Skills
Playwright (Java, TypeScript)
Grafana k6 (JavaScript)
CI/CD Pipelines (Bitbucket, Jenkins, GitLab)
Grafana, Prometheus, Dynatrace
Performance Testing & Monitoring Methodologies
Observability Concepts
Experience with Exense Step
Experience within Banking or Financial Services environments
What can we offer?
In UST we are committed to equal opportunities in our selection processes and do not discriminate based on race, gender, disability, age, religion, sexual orientation or nationality. We have a special commitment to Disability & Inclusion, so we are interested in hiring people with disability certificate.
Skills
k6, Performance Testing, Playwright, Performance Engineering, Observability, TypeScript, Prometheus, Dynatrace, CI/CD, Grafana, GitLab
We are still looking for the very Top Talent…and we would be delighted if you were to join our team!
More in details, UST is a multinational company based in North America, certified as a Top Employer and Great Place to Work company with over 35.000 employees all over the world and presence in more than 35 countries. We are leaders on digital technology services, and we provide large-scale technologic solutions to big companies.
What we look for?
We are looking for a Senior Performance Test Engineer to join our Performance Test Services team. In this role, you will act as a technical expert and trusted advisor, helping internal teams ensure that applications and services meet the highest standards of performance, scalability, stability, and availability.
Working closely with developers, architects, product owners, and operations teams, you will design, implement, execute, and analyze performance tests and synthetic monitoring solutions that contribute to software quality and system resilience across critical business platforms.
Hybrid position in Madrid (3 days at client´s office, Sol area, next to the underground).
Key Responsibilities
Design, develop, and execute performance and load testing strategies for business-critical applications.
Build and maintain synthetic monitoring solutions to proactively measure application availability and user experience.
Analyze test results and produce clear, actionable reports, including optimization recommendations.
Review and assess performance testing and monitoring code written in Java, JavaScript, and TypeScript.
Identify performance bottlenecks across applications, APIs, infrastructure, and integrations.
Act as a trusted advisor, supporting stakeholders in defining and implementing testing and monitoring strategies.
Contribute to the continuous improvement of testing frameworks, automation capabilities, methodologies, and best practices.
Ensure high-quality, scalable, and maintainable test solutions throughout the software delivery lifecycle.
Mandatory Requirements
5+ years of hands‑on experience in:
- Performance Testing
- Performance Engineering
- Test Automation
- Software Engineering
Strong analytical and troubleshooting skills with a structured approach to root-cause analysis.
Experience Developing Performance And Synthetic Monitoring Solutions Using
- Playwright
- Grafana k6
- Jenkins
- GitLab
- Bitbucket
- Similar platforms
- System architectures
- APIs
- Networking concepts
- Cloud-native applications
- Performance engineering principles
English C1
Technical Skills
Playwright (Java, TypeScript)
Grafana k6 (JavaScript)
CI/CD Pipelines (Bitbucket, Jenkins, GitLab)
Grafana, Prometheus, Dynatrace
Performance Testing & Monitoring Methodologies
Observability Concepts
- OpenTelemetry
- Distributed Tracing
- End-to-End Performance Analysis
- Azure
- Kubernetes
Experience with Exense Step
Experience within Banking or Financial Services environments
What can we offer?
- 23 days of Annual Leave plus the 24th and 31st of December as discretionary days!
- Numerous benefits (Heath Care Plan, teleworking compensation, Life and Accident Insurances).
- `Retribución Flexible´ Program: (Meals, Kinder Garden, Transport, online English lessons, Heath Care Plan…)
- Free access to several training platforms
- Professional stability and career plans
- UST also, compensates referrals from which you could benefit when you refer professionals.
- The option to pick between 12 or 14 payments along the year.
- Real Work Life Balance measures (flexibility, WFH or remote work policy, compacted hours during summertime…)
- UST Club Platform discounts and gym Access discounts
In UST we are committed to equal opportunities in our selection processes and do not discriminate based on race, gender, disability, age, religion, sexual orientation or nationality. We have a special commitment to Disability & Inclusion, so we are interested in hiring people with disability certificate.
Skills
k6, Performance Testing, Playwright, Performance Engineering, Observability, TypeScript, Prometheus, Dynatrace, CI/CD, Grafana, GitLab
