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Senior Performance Engineer

Astir IT SolutionsPhiladelphia, PA🇺🇸United StatesPosted 18 Aug 2026

Why This Role Stands Out

This hybrid Senior Performance Engineer role offers a significant opportunity to drive impactful improvements in system performance and user experience within a reputable company, with comprehensive responsibilities that will foster continuous skill development. You'll thrive here if you possess extensive performance engineering expertise and a passion for optimizing complex, distributed systems, making this an excellent step in your career journey.

Quick Overview

Work Type
Hybrid
Level
Mid Senior

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

Interested candidates can share their updated resume and contact details with:

Tarak K
Business Development Manager
Astir IT Solutions Inc.
50 Cragwood Rd., Suite 219, South Plainfield, NJ 07080
Mobile: | Ext - 798
Mail:

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