Senior Performance Engineer (Remote) - Lititz , Pennsylvania

Webstaurantstore; Lititz (Lancaster County); Remote; USD 120,000 - 170,000; Full time

Job summary

WebstaurantStore is hiring a Senior QA Performance Engineer for a remote role. You will own end-to-end performance testing across web and mobile apps, guiding strategy and collaborating with engineering leadership.

This role demands strong expertise in JMeter, Grafana, Kubernetes, and SQL, with a track record of optimizing throughput and latency. You will mentor others, design robust test plans, and contribute to scalable, containerized deployments while aligning with company performance goals

Qualifications

• 5+ years of performance test simulations and/or experience in web-based enterprise apps.
• Experience installing, configuring, and using JMeter and Grafana.
• Design test scenarios and load profiles based on app usage.
• Proficiency in C#.NET or Java.
• Knowledge of load testing concepts in a C#.NET environment.
• Understanding of servers, network, load balancers, switches, firewalls, etc.
• Strong throughput, latency, memory and CPU knowledge.
• Advanced SQL knowledge.
• Strong Git knowledge.
• Experience with profiling tools for performance analysis.
• Experience creating Grafana dashboards for monitoring.
• Experience testing in Kubernetes environments for containerized apps.

Responsibilities

• Use JMeter to perform load and performance testing on web and mobile apps.
• Collect performance targets from stakeholders before tests.
• Design, script and execute load, stress, and scalability tests.
• Collaborate on performance test cases and provide data for bug entry.
• Report issues and work with engineering to resolve them.
• Stay updated on performance testing methods and tools.
• Mentor mid and junior engineers on best practices.
• Assist leadership with performance testing strategy and planning.
• Create and update documentation.
• Estimate level of effort to test and complete tasks.

Skills

Performance testing

JMeter

Grafana

C#.NET

Java

SQL

Kubernetes

Load testing

Git

Profiling tools

Tools

JMeter

Grafana

Kubernetes

Git

Job description

# Senior Performance Engineer (Remote)## Lititz, PA## Job Description## Job SummaryAs the largest online distributor of restaurant supplies and equipment, WebstaurantStore offers a catalog of more than 430,000 products supported by fast, reliable shipping. Nearly all our technological design, development, and system management are handled in-house, allowing us to build custom, innovative solutions in a rapidly evolving e-commerce landscape.Due to this continued growth, we’re seeking a Senior QA Performance Engineer to join our team. This is a high-visibility role with reach across all active development initiatives, working closely with both engineering and leadership to shape performance strategy as the organization grows.You’ll have broad impact across our full product portfolio, owning performance testing end-to-end across web and mobile applications as we scale our infrastructure and containerized deployments.### Remote Work Qualifications* Access to a reliable and secure high-speed internet connection. Cable or fiber internet connections (at least 75mbps download/10mbps upload) are preferred, as satellite connections often cannot support the technologies used to perform day-to-day tasks.* Access to a home router and modem.* A dedicated home office space that is noise- and distraction-free. The space should have strong wireless connection or a wired Ethernet connection (wired connection is preferred, if possible).* A valid, physical address (apartment, suite, etc.). PO Boxes are not supported, as a physical address is required for you to receive your computer equipment.* The desire and ability to work and communicate with other team members via chat, webcam, etc.* Legal residents of one of the following states: (AK, AL, AR, AZ, CT, DE, FL, GA, IA, ID, IN, KS, KY, LA, MD, ME, MI, MN, MO, MS, MT, NC, ND, NE, NH, NM, NV, OH, OK, PA, SC, SD, TN, TX, UT, VA, VT, WI, WV, and WY).We only accept W-2 candidates, H-1B sponsorship is not available.## Responsibilities**As a Senior QA Performance Engineer, you will:*** Use JMeter to perform load and performance testing on web and mobile applications.* Collect necessary performance targets and/or KPIs from stakeholders’ pre-performance execution.* Design, script and execute load, stress, and scalability testing and deliver comprehensive reports to the project team.* Collaborate on performance related test cases to execute and provide necessary data to peers for bug entry.* Report issues discovered during performance evaluation and work closely with the engineering team to analyze the issues and track them to resolution.* Keep abreast of current performance testing methodologies, and work autonomously to update tools, skills, and techniques.* Mentor Mid and Junior Engineers on Performance Testing best practices.* Work with leadership in Performance Testing Strategizing and Planning.* Create and update existing documentation.* Estimate the Level of Effort needed to test and complete tasks.### Physical Requirements* Work is performed while sitting/standing and interfacing with a personal computer.* Requires the ability to communicate effectively using speech, vision, and hearing.* Requires the regular use of hands for simple grasping and fine manipulations.* Requires occasional bending, squatting, crawling, climbing, and reaching.* Requires the ability to occasionally lift, carry, push, or pull medium weights, up to 50lbs.## Qualifications### Experience**We are looking for driven, motivated candidates who MUST HAVE:*** 5+ years of performance test simulations and/or experience in performance analysis, web-based enterprise applications.* Experience installing, configuring, and using the performance testing tool JMeter, as well as performance monitoring tools such as Grafana.* Experience in designing test scenarios and load profiles based on application functionality and usage patterns.* Proficiency in an object-oriented programming language (C#.NET or Java).* Knowledge of load testing and performance testing concepts and methods as applied in a C#.NET application environment.* Knowledge of infrastructure components (servers, network, load balancers, switches, firewalls, etc.)* Solid understanding of throughput, latency, memory and CPU utilization.* Advanced SQL knowledge.* Strong knowledge of source control tools, like GIT.* Ability to effectively establish and maintain working relationships with all levels of the organization.* Experience with code profiling tools and techniques for performance analysis.* Knowledge and hands-on experience creating Grafana dashboards for performance monitoring and visualization.* Experience performing performance testing in Kubernetes environments, including evaluating resource usage and application scalability in containerized deployments.### Education* This role does not require a degree. We value relevant skills and experience and alignment with our core values above all else.### Desired Traits & Skills**Hungry:*** Passionate for their work.* Goes above and beyond to get the job done.* Looks for opportunities in all aspects of the company.* Process improvement focus.**Humble:*** Easily admits to mistakes.* Acknowledges his/her weaknesses.* Displays a grounded confidence but not arrogance.**Smart:*** Shows empathy.* Attentive listener.* Adjusts his/her own behavior to fit the nature of a conversation.* Understands what others are thinking.**One Part of the Bigger Picture**WebstaurantStore’s parent company, Clark Associates, has made the *Central Penn Business Journal’s*list of “Top 50 Fastest Growing Companies” in Pennsylvania for 9 years in a row. The base of Clark’s success comes from four key directives: Hiring great people, creating value for customers, and investing in employees and their communities. These pillars drive each of Clark Associates’ multi-million-dollar businesses forward, including WebstaurantStore and other industry-leading names like 11400, Clark Food Service Equipment, The Restaurant Store, and Clark National Accounts.**Are You Ready?**Entrepreneurial Spirit is the driving force behind WebstaurantStore’s work environment. Making things better for our customers is our goal every single day. Achieving that goal means taking risks, accepting failure, and learning from our mistakes. If that sounds like a mission you’re ready to be a part of, we’d love to discuss this role with you further, and we’re excited to meet you!