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Dev.Pro

Senior Test Engineer Automation

Dev.Pro

. Lead performance testing for complex cloud-based systems, focusing on scalability, resilience, and deep performance analysis .

Posted 9/22/2026contractRemote • Poland, Portugal, Bulgaria, SpainSeniorWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in performance testing for cloud-based systems, focusing on scalability, resilience, and deep performance analysis. Proficient in translating business and technical requirements into comprehensive performance-testing plans while establishing Non-Functional Requirements and analyzing performance results to recommend improvements.

Highest-signal resume keywords
Performance TestingCloud Architecture UnderstandingPerformance Analysis ExpertiseTechnical LeadershipAWS Experience

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Performance TestingTest AutomationPerformance EngineeringRoot-Cause AnalysisCapacity PlanningPython ProgrammingScala ProgrammingNetwork Latency TuningCaching StrategiesDatabase Query Optimization
Soft Skills
Analytical SkillsProblem-Solving SkillsTechnical CommunicationCollaboration SkillsClient Management Skills
Tools & Technologies
AWSAWS CloudWatch Logs InsightsAWS X-RayAmazon EC2 Auto ScalingAmazon AuroraDynamoDB Performance InsightsDistributed Gatling EnterpriseK6 CloudOpenTelemetryDynatrace
Certifications & Qualifications
AWS Certified DevOps EngineerAWS Certified Solutions Architect – ProfessionalSRE FundamentalsAdvanced Cloud Systems Performance & Profiling
Industry Keywords
Cloud-Based SystemsMicroservicesServerlessContainersNon-Functional RequirementsService Level AgreementsService Level ObjectivesError BudgetsFinOpsPerformance Metrics

Tech Stack

Tools & technologies
AWSCloudDynamoDBEC2GrafanaMicroservicesPrometheusPythonRayScala

About the role

Key responsibilities & impact
  • Lead performance testing for complex cloud-based systems, focusing on scalability, resilience, and deep performance analysis
  • Define and set up performance testing approaches for cloud-native components and architectures, including microservices, serverless, and containers
  • Test and validate cloud elasticity, auto-scaling policies, failover, and self-healing mechanisms under peak load
  • Perform deep-dive root-cause analysis, including heap dumps, thread dumps, memory leak identification, and database query optimization
  • Establish Non-Functional Requirements (NFRs), SLAs, SLOs, and Error Budgets with product managers
  • Translate business and technical requirements into performance-testing plans, defining testing scope, test scenarios, and relevant metrics
  • Analyze performance results and system behavior to identify bottlenecks, determine root causes, and recommend improvements
  • Help shape performance practices and share expertise with other engineers

Requirements

What you’ll need
  • 4–7 years of experience in software testing, test automation, performance testing, or performance engineering
  • Strong hands-on experience with performance testing, including the ability to start performance testing for a component from scratch
  • Strong understanding of system architecture and how application, infrastructure, cloud, and network components affect performance
  • Expertise in performance analysis, including network latency tuning, caching strategies, and database connection pooling
  • Experience with capacity planning and cost-vs-performance analysis, with FinOps awareness
  • Strong analytical and problem-solving skills, with the ability to investigate performance issues and determine their root causes
  • Programming or scripting skills, preferably with Python or Scala
  • Hands-on experience with AWS or another major cloud platform
  • Strong technical communication and collaboration skills
  • Strong client and stakeholder management skills and ability to translate business and technical requirements into clear performance-testing plans
  • Technical leadership skills and experience mentoring junior and/or intermediate engineers
  • Upper-Intermediate+ English level
  • Desirable: experience with AWS CloudWatch Logs Insights, AWS X-Ray, Amazon EC2 Auto Scaling, Amazon Aurora/DynamoDB Performance Insights, or AWS Compute Optimizer
  • Desirable: experience with Distributed Gatling Enterprise, k6 Cloud, Gremlin/Chaos Mesh
  • Desirable: experience with OpenTelemetry, Dynatrace, Datadog APM, or Prometheus/Grafana
  • Desirable: relevant certifications/courses, such as AWS Certified DevOps Engineer/Solutions Architect – Professional, SRE Fundamentals, or Advanced Cloud Systems Performance & Profiling

Benefits

Comp & perks
  • Contractor engagement
  • Remote-first work
  • Global team environment across 55+ countries and five continents
  • Opportunity to lead performance testing for complex cloud-based systems
  • Opportunity to solve challenging performance problems across application, infrastructure, and cloud layers
  • Opportunity to shape performance practices and share expertise with other engineers