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Urgent! Senior Performance Testing Engineer Job Opening In Colombia, Colombia – Now Hiring EPAM Systems

Senior Performance Testing Engineer



Job description

EPAM is a leading global provider of digital platform engineering and development services.

We are committed to having a positive impact on our customers, employees, and communities through a dynamic and inclusive culture.

At EPAM you will collaborate with multinational teams and contribute to innovative projects that deliver cutting‑edge solutions while continuously learning and growing.

We are looking for a highly skilled Senior Performance Testing Engineer to spearhead the design, execution, and analysis of performance testing strategies for scalable, high‑performance systems.

Responsibilities

  • Provide technical expertise in defining and implementing performance testing strategies, frameworks, and plans
  • Conduct comprehensive performance, load, stress, and endurance testing for web applications and backend APIs
  • Develop realistic workload models based on architecture and production usage patterns
  • Analyze and interpret performance test results using tools like k6 and sitespeed.io, identifying key performance metrics
  • Investigate and resolve performance bottlenecks across application, infrastructure, database, and network layers
  • Integrate performance test suites into CI/CD pipelines to ensure ongoing scalability and reliability
  • Utilize Grafana with InfluxDB to capture and visualize performance metrics for trend analysis and reporting
  • Monitor system resource utilization (CPU, memory, disk, network) during tests and identify misconfigurations
  • Automate performance testing processes, including test execution and reporting workflows, using scripting or programming tools like TypeScript or PowerShell
  • Collaborate with stakeholders to identify performance risks early and propose actionable solutions
  • Lead or contribute to performance tuning initiatives, ensuring the system meets required SLAs and scalability requirements
  • Mentor and guide team members to foster a performance‑first mindset and skills development

Requirements

  • Proven experience of over 3 years in performance testing of web applications, APIs, and backend services
  • Strong knowledge of performance testing methodologies and best practices
  • Hands‑on expertise with k6; familiarity with sitespeed.io is a plus
  • Proficiency in analyzing test outcomes with metrics such as percentiles, distributions, and system resource utilization
  • Experience using Grafana and InfluxDB for performance monitoring, visualization, and reporting
  • Knowledge of SQL with capabilities in query performance analysis and optimization
  • Competency in diagnosing and addressing bottlenecks across application, network, OS, and database layers
  • Understanding of infrastructure configurations, load balancing, and system monitoring tools
  • Skills in scripting or programming (e.g., TypeScript, PowerShell) for extending performance tests and custom automation
  • Experience integrating tests into CI/CD workflows with automated reporting tools
  • Strong communication skills in business English (B2 level or higher) to present findings to both technical and non‑technical audiences

Nice to have

  • Familiarity with Prometheus for advanced monitoring and alerting
  • Experience with testing and optimization in REST and SOAP‑based services
  • Working knowledge of sitespeed.io for performance analysis and insights
  • Experience mentoring team members and promoting a performance‑focused culture

We offer

  • International projects with top brands
  • Work with global teams of highly skilled, diverse peers
  • Employee financial programs
  • Paid time off and sick leave
  • Upskilling, reskilling and certification courses
  • Unlimited access to the LinkedIn Learning library and 22,000+ courses
  • Global career opportunities
  • Volunteer and community involvement opportunities
  • EPAM Employee Groups
  • Award‑winning culture recognized by Glassdoor, Newsweek and LinkedIn

Seniority level

Mid‑Senior level

Employment type

Full‑time

Job function

Engineering, Information Technology, and Quality Assurance

Industries

Software Development, IT Services and IT Consulting, and Banking

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Required Skill Profession

Tecnología De Medición, Control Y Regulación, Ingeniería De Calidad



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