S

Senior Performance Engineer

SoftServe • Ukraine
Remote
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AI Summary

Own performance observability and guide data-driven decisions for a microservices-based SaaS platform on AWS. Design and build performance test suites, define KPIs, and embed testing into CI/CD workflows. Requires 6+ years of cloud performance testing experience with AWS and observability tools.

Key Highlights
Performance observability ownership for AWS microservices platform
Design and build performance test suites (Locust, k6, Gatling)
Define KPIs, baselines, and thresholds for release readiness
Key Responsibilities
Design and build performance test suites for microservices and shared platform components on AWS
Own performance outcomes by defining KPIs, baselines, and thresholds to improve reliability and reduce risk
Collaborate with DevX, Platform Engineering, SDET, and product teams to embed performance testing into CI/CD and daily workflows
Analyze application logs and observability data to detect degradations and establish actionable insights
Define and execute non-functional tests including load, stress, spike, and endurance scenarios aligned with business requirements
Establish and maintain performance baselines across microservices and monoliths for consistent benchmarking
Investigate production-like issues and customer-reported problems, performing root cause analysis across APIs, databases, and infrastructure
Provide optimization recommendations across architecture, APIs, and data layers, and document findings for stakeholders
Technical Skills Required
Performance testing AWS services Observability tools Python
Benefits & Perks
Remote work

Job Description


About The Role

In this role, you will own performance observability and guide data-driven decisions on system behavior under load. You will partner with Platform Engineering, development teams, and product leadership to surface risks early and ensure scalable, reliable performance across a microservices-based SaaS platform on AWS

Responsibilities

  • Design and build performance test suites for microservices and shared platform components on AWS, ensuring coverage across product teams
  • Own performance outcomes by defining KPIs, baselines, and thresholds to improve reliability, reduce risk, and support release readiness
  • Collaborate with DevX, Platform Engineering, SDET, and product teams to embed performance testing into CI/CD and daily workflows
  • Analyze application logs and observability data to detect degradations and establish actionable insights
  • Define and execute non-functional tests, including load, stress, spike, and endurance scenarios aligned with business requirements
  • Establish and maintain performance baselines across microservices and monoliths, enabling consistent benchmarking for future releases
  • Investigate production-like issues and customer-reported problems, performing root cause analysis across APIs, databases, and infrastructure
  • Provide optimization recommendations across architecture, APIs, and data layers, and document findings, trends, and measurable improvements for stakeholders


Requirements

  • 6+ years of hands-on experience in performance testing and analysis for cloud-hosted, microservices-based SaaS platforms on AWS
  • Skills in building performance testing processes from scratch
  • Strong experience with performance testing tools such as Locust (must), k6, Gatling, or JMeter
  • Proficiency with observability and logging tools, including Prometheus, Grafana, Datadog, ELK Stack, or CloudWatch
  • Solid knowledge of AWS services (EC2, RDS, S3, ECS/EKS), Docker, and Kubernetes
  • Experience with SQL analysis, execution plans, indexing and optimization
  • Scripting skills in Python or similar for test scenarios, analysis, and lightweight tooling
  • Experience with Kafka and/or RabbitMQ
  • Strong analytical mindset with the ability to identify root causes and perform statistical analysis, forecasting, and trend evaluation
  • Experience working in distributed teams and collaborating across multiple time zones in remote-first environments
  • Fluent English communication skills, both written and spoken


SoftServe is an equal opportunity employer. Qualified applicants will receive consideration regardless of race, color, ancestry, ethnicity, national origin, religion, sex, sexual orientation, gender identity or expression, age, citizenship, disability, health condition, marital or family status, veteran status, or any other characteristic protected by applicable law.


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