Senior Performance Engineer

Astir IT Solutions, Inc.; Philadelphia (Philadelphia County); On-site; USD 140,000 - 190,000; Full time

Job summary

Astir IT Solutions, Inc. seeks a Senior Performance Engineer with 12+ years of experience to optimize distributed and microservices architectures, identify bottlenecks, and improve user experience across cloud environments.

You will conduct end-to-end performance analysis, tune JVM, manage GC, implement observability dashboards with ELK, Grafana, AppDynamics, and DynamoDB/AWS services, and develop performance tests with JMeter, Gatling, and K6.

Qualifications

• 12+ years of performance engineering experience.
• Experience with APM and RUM.
• Experience across AWS and Azure clouds.

Responsibilities

• Conduct end-to-end performance analysis across application, database, infrastructure, and cloud environments.
• Identify performance bottlenecks and optimization opportunities.
• Troubleshoot using AppDynamics, Dynatrace, Datadog, JFR, and YourKit.
• Perform JVM tuning, thread analysis, and database optimization.

Skills

Performance engineering

APM tools

Cloud platforms

Distributed systems

Load testing

Tools

AppDynamics

Dynatrace

Datadog

JFR

YourKit

JMeter

Gatling

K6

Lighthouse

Chrome DevTools

ELK

Grafana

Quantum Metric

Job description

Senior Performance Engineer

Introduction:

We are seeking a skilled Senior Performance Engineer with over 12 years of experience in performance engineering and application performance analysis. The successful candidate will play a crucial role in optimizing system performance, identifying bottlenecks, and improving overall user experience in distributed and microservices environments.

Responsibilities:

• Conduct end-to-end performance analysis across application, database, infrastructure, and cloud environments.
• Identify performance bottlenecks and optimization opportunities.
• Troubleshoot application performance using AppDynamics, Dynatrace, Datadog, JFR, and YourKit.
• Perform JVM tuning, analysis, thread management, database query optimization, caching, and microservices performance optimization.
• Design and execute load, stress, soak, endurance, and scalability testing.
• Develop performance test scripts using JMeter, Gatling, and K6.
• Analyze performance metrics and provide actionable recommendations.
• Improve system reliability, scalability, and overall user experience.
• Perform frontend performance analysis using Lighthouse and Chrome DevTools.
• Optimize Core Web Vitals, web rendering, CDN, and browser performance.
• Build dashboards and observability solutions using AppDynamics, Quantum Metric, ELK, Grafana, and related tools.

Requirements:

• 12+ years of Performance Engineering experience
• AppDynamics (preferred)
• New Relic / Datadog
• RUM and APM
• AWS and Azure
• AWS services: ECS, EKS, Lambda, DynamoDB, CloudWatch, API Gateway, ALB
• JVM Performance Tuning
• Garbage Collection / Thread Analysis
• SQL & NoSQL database optimization
• Distributed caching
• Microservices and cloud-native applications
• JMeter, K6, Gatling
• Core Web Vitals
• Lighthouse / Chrome DevTools
• ELK Stack / Grafana
• Quantum Metric
• Performance monitoring, observability, and dashboarding