> Markdown version of [/jobs/ext/2124321-senior-performance-engineer](https://www.wearedevelopers.com/jobs/ext/2124321-senior-performance-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Performance Engineer - **Company:** Astir IT Solutions, Inc. - **Location:** Philadelphia, PA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Amazon Web Services, Application Performance Management, Microsoft Azure, Databases, Database Queries, Amazon DynamoDB, Java Virtual Machine (JVM), Apache JMeter, NoSQL, Performance Tuning, Distributed Caching, SQL Databases, Web Usability, Datadog, Cloud Platform System, Spring Cloud, Grafana, Database Optimization, Gatling, Caching, Reliability of Systems, Scalability Testing, Performance Monitor, Front End Software Development, Functional Programming, Cloudwatch, Api Gateway, New Relic (SaaS), Appdynamics, Dynatrace, Elk Stack, Microservices - **Published:** August 19, 2026 - **Apply:** https://www.dice.com/job-detail/786992fb-b81e-4b96-894c-bcb5a5d0ad9e ## About the Role * 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 ## Description 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., * 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. ## Related Videos - [Continuous testing - run automated tests for every change!](https://www.wearedevelopers.com/videos/190-continuous-testing-run-automated-tests-for-every-change) - [Frontend Performance Testing in practice](https://www.wearedevelopers.com/videos/8-frontend-performance-testing-in-practice) - [HTTP headers that make your website go faster](https://www.wearedevelopers.com/videos/1676-http-headers-that-make-your-website-go-faster) - [Leveraging Real time data in FSIs](https://www.wearedevelopers.com/videos/806-leveraging-real-time-data-in-fsis) - [Load Testing AI: Aiming at a Moving Target](https://www.wearedevelopers.com/videos/1914-load-testing-ai-aiming-at-a-moving-target) - [Event based cache invalidation in GraphQL](https://www.wearedevelopers.com/videos/433-event-based-cache-invalidation-in-graphql) ## Related Articles - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Dev Digest 139 - Soft and hard queries](https://www.wearedevelopers.com/magazine/487-dev-digest-139-soft-and-hard-queries) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Benefits of Using JMeter For Performance Testing](https://www.wearedevelopers.com/magazine/96-benefits-of-using-jmeter-for-performance-testing) - [Making Data Warehouses Fast: A Developer’s Story](https://www.wearedevelopers.com/magazine/107-making-data-warehouses-fast-a-developer-s-story)