SDET Engineer (Performance Engineer)

AI overview

Contribute to high-performance solutions by designing and executing comprehensive performance tests and collaborating with engineering teams to optimize product reliability and scalability.

Join a Global Force in Data Intelligence

Our client is a top-tier data solutions company helping organizations turn data into a strategic asset. With over 1,000 experts worldwide and a thriving team of 56 in Czechia, they’re redefining how businesses manage, trust, and use their data. You'll be part of an English-speaking, dynamic, and collaborative team that delivers impactful projects using modern technologies—all in an environment that values innovation, quality, and growth.

As an SDET you will play a key role in ensuring the performance, scalability, and reliability of the clients core products. You will design and execute comprehensive performance tests, analyze results, identify bottlenecks, and collaborate with engineering teams to deliver high-performance solutions. This role requires a problem-solver with strong performance testing expertise, automation skills, and a deep understanding of modern software performance methodologies

Responsibilities

  • Design and implement performance testing strategies and performance test plans across the software and hardware stack to meet business and scalability goals.
  • Execute end-to-end performance, load, stress, and scalability tests for critical platform features and services.
  • Develop and maintain performance test scripts using industry-standard tools (e.g., LoadRunner, JMeter, Artillery, K6, Gatling).
  • Integrate performance testing into CI/CD pipelines using tools like GitHub Actions and Jenkins.
  • Use observability and monitoring tools such as Grafana and Datadog to analyze performance results and collaborate with engineering teams to remediate issues.
  • Set up performance test environments leveraging cloud platforms (e.g., AWS, Google Cloud) and container technologies (Docker, Kubernetes).
  • Apply structured analysis to dissect performance data and provide actionable insights.
  • Work closely with system architects and infrastructure teams to optimize performance configurations.
  • Provide regular performance reports, metrics, and recommendations to stakeholders.
  • Stay updated with emerging performance testing trends, tools, and best practices.
  • Communicate effectively with cross-functional teams to resolve performance challenges.

Requirements

  • 4+ years of experience in software performance testing, ideally in SaaS or enterprise software environments.
  • Proficiency with performance testing tools such as LoadRunner, JMeter, or equivalents.
  • Strong scripting or programming experience (e.g., Java, Python).
  • Hands-on experience with web technologies (HTTP/REST APIs) and APM tools like Datadog or Grafana.
  • Practical understanding of DevOps principles and CI/CD pipelines (GitHub Actions, Jenkins).
  • Excellent analytical skills and attention to detail.
  • Strong communication and collaboration capabilities.
  • Bachelor’s degree in Computer Science or equivalent experience.
  • Must have legal authorization to work in Prague, Czech Republic

Benefits

    • Long-Term Employment
    • Paid Vacation
    • (Take time to recharge with at least 20 days of paid vacation each year—tailored to meet or exceed the minimum in your country)
    • Paid Sick Leave
    • (Prioritize your health with up to 4 weeks of paid short-term sick leave when you need time to rest and recover)
    • Flexible Benefit Funds
    • (A monthly allowance you can use your way—on food, fitness, wellness and more)
    • Birthing Parental Leave
    • (14 weeks of fully paid leave for birthing parents, plus a 3-week return-to-work transition program)
    • Non-Birthing Parental Leave
    • (8 weeks of fully paid leave for partners, adoptive parents, foster parents, and surrogates—with a 3-week return-to-work transition to help you ease back in)
    • Global Employee Assistance Program
    • (Access up to 10 free therapy sessions and 10 coaching sessions)
    • Bereavement Leave
    • (Take the time you need to grieve and be with loved ones, with 10 days of fully paid bereavement leave)
    • Caregiver Support Leave
    • (Be there for the people who matter most—receive up to 4 weeks of paid caregiver leave)


Company values

Our client is a company that is proud to be an equal opportunity employer. They realize the key to creating a company with a world-class culture and employee experience comes from who we hire and creating a workplace that celebrates everyone.

With this, we proudly consider qualified applicants without regard to race, color, religion, creed, gender, national origin, age, disability, veteran status, sexual orientation, pregnancy, sex, gender identity, gender expression, genetic information, physical or mental disability, HIV status, registered domestic partner status, caregiver status, marital status, veteran or military status, citizenship status or any other legally protected category. 

Perks & Benefits Extracted with AI

  • Global Employee Assistance Program: Access up to 10 free therapy sessions and 10 coaching sessions
  • Paid Parental Leave: 8 weeks of fully paid leave for partners, adoptive parents, foster parents, and surrogates—with a 3-week return-to-work transition to help you ease back in
  • Paid Time Off: Receive up to 4 weeks of paid caregiver leave

IT Labs was founded in the year 2005 in Los Angeles, CA. It was created with the sole purpose to produce the most high-performing, purpose and process-driven software development teams. Since day one we enabled our clients to compete with innovation and efficient development by providing them with turn-key teams, taking on the responsibility to hire, fire, and nurture talent for them. Today we count about 700 team members across multiple continents, supporting clients in most time zones. Our certifications include AWS, Azure, ISTQB and ISO certified [ISO 9001, ISO 14001, ISO/IEC 27001, ISO/IEC 20000-1].

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