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Added 3 mins ago
Supplier Dev Engineer II
Aerospace
Tempe, AZ
As a SUPPLIER DEVELOPMENT ENGINEER II here at Honeywell, you will play a pivotal role in enhancing our supplier performance, fostering innovation, and ensuring the delivery of high-quality…
Added 3 mins ago
Senior Software Engineer - Analytics Platform
Bloomberg
NY
…reliability, resource management, and operational excellence while building reusable platforms that enable engineering teams across…
Added 4 mins ago
Mechanical Systems Verification Engineer, Google Geo
Google
Mountain View, CA
…own work and others on the team.The Geo team is focused on building the most accurate, comprehensive, and useful maps for our users, through products like Maps, Earth, Street View, Google…
Added 4 mins ago
Data Center Engineer, Civil and Structural Engineering, Execution Engineering, Global Data Centers
Google
Sunnyvale, CA · New York, NY
Experience with building design, coordination, and construction.
Added 4 mins ago
UX Designer, Geo Makers
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Experience as a design engineer, creative technologist, front-end developer, or software engineer.
Added 4 mins ago
Software Development Engineer, Ads AI Core Infra
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Amazon is investing heavily in building a world class advertising business and we are responsible for defining and delivering a collection of advertising products that drive discovery and…
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Senior Vision System Engineer, Amazon Robotics
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North Reading, MA · Westborough, MA
We're building the next generation of vision and perception systems that give machines the power to see, understand, and act, and we need a Vision Systems Engineer to lead the charge from…
Added 4 mins ago
Sr. Construction Manager, GES NA, Design and Construction
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Nashville, TN · Atlanta, GA · Chicago, IL
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Senior Product Owner, Adobe Experience Manager (AEM)
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NY
As a Full-Stack AI Engineer, you'll transform business ideas into production-ready applications using cutting-edge AI design tools and modern full-stack frameworks. With a strong bias…
Added 4 mins ago
Mechanical Engineer- Packaging
Actalent
North Reading, MA
Job Title: Mechanical Engineer PackagingJob DescriptionThis role focuses on the mechanical and thermal design of precision assemblies for advanced imaging and sensor hardware, with a strong…
Added 4 mins ago
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Principal Electrical Design Engineer
Actalent
Prince George, VA
- $60.62 to $109.13 USD / hour
Job Title: Principal Electrical Design EngineerJob DescriptionThe Principal Electrical Design Engineer leads and advises design teams on highly complex and unique embedded hardware projects…
Added 4 mins ago
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Civil Engineer (EI)
Actalent
Fort Wayne, IN
- $40 to $45 USD / hour
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Added 4 mins ago
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Manufacturing Test Engineer
Actalent
Franksville, WI
- $90,000 to $120,000 USD / year
Job Title: Manufacturing Test EngineerJob DescriptionWe are seeking a hands-on engineer to take ownership of testing and production readiness of our products. This role involves developing…
Added 4 mins ago
Mechanical Engineer
Actalent
New Braunfels, TX
Job Title: Mechanical EngineerJob DescriptionThis role offers an early-career Mechanical Engineer the opportunity to support the design, development, testing, compliance, and manufacturing…
Added 5 mins ago
US & HCMC - Senior Software Engineer, Data Infrastructure
TinyFish
Palo Alto, CA
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Added 5 mins ago
Principal Software Engineer – GRS Innovation (Generative AI)
Liberty Mutual Insurance
Boston · Portsmouth · Indianapolis · Plano · Columbus
…experiments or implementations. Hands-on experience designing and building generative AI applications. We're looking for engineers who can build GenAI capabilities and best practices to…
Added 6 mins ago
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Embedded Software Engineer
Boston Engineering Corporation
Waltham, MA
- $85,000 to $128,000 USD / year
Boston Engineering is seeking an Embedded Software Engineer to develop software for robotics, autonomous systems, medical devices, defense technologies, and commercial products.
Added 6 mins ago
Field Coordinator I- Sr (CP)
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…field construction problems in coordination with Construction Engineer and project…
Added 7 mins ago
Cybersecurity Specialist (Subject Matter Expert / SME)
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Fort Belvoir, VA
…enterprise environments for federal agencies. With the goal of building long-term partnerships with our customers, we invest in our employees by providing the training, tools, and support…
Added 7 mins ago
NY
Engineering Supervisor - SpringHill Suites Times Square
New York Manhattan Times Square
New York, NY
- $24 to $26 USD / hour
…and compliance. This individual acts as a lead technician or…
Added 7 mins ago
Senior Software Engineer, AI Native
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Cambridge, MA
CMT is seeking a senior-level versatile Software Engineer to join our AI Native team. This team has a dual mandate: spreading efficient AI tool usage across the organization and building…
Added 7 mins ago
Principal Water/Wastewater Engineer
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Sewickley, PA · Pittsburgh, PA
This is an exciting opportunity for a self-motivated engineer to join our local team with support from one of the best-qualified consulting firms in the country. The Principal…
Added 8 mins ago
Sales Engineer, Mid Market - TOLA
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Remote, United States
As a Sales Engineer at Samsara, you’d be an integral part of a diverse team working to help modernize essential industries through the application of cutting edge IoT solutions. Your work…
Added 8 mins ago
Principal Software Engineer – GRS Innovation (Generative AI)
Liberty Mutual
Boston, MA · Portsmouth, NH · Indianapolis, IN · Plano, TX · Columbus, OH
We are looking for an inquisitive hands-on engineer who enjoys working at the intersection of experimentation and practical delivery. You will explore ambiguous problem spaces, rapidly…
Added 11 mins ago
Superintendent
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Maintains positive relationships with owners, vendors, architects, engineers, and consultants property manager, building engineer, owner's rep or development manager; addresses concerns…

Randstad USA

Performance Engineer - Expert

Remote, United States

$68.87 to $71.87 USD / hour · Contract

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Job details

Pay: $68.87 to $71.87 USD / hour
Job type: Contract
Apply by: Dec 4, 2026
Experience: 5+ years of experience in performance engineering, performance testing, or software engineering.
Posting language: English
Posted: Nov 3, 2026

Original job description

job summary:

We are seeking a Performance Engineer to improve the speed, scalability, reliability, and user experience of our digital platforms. You will combine performance testing, frontend auditing, observability, and hands-on engineering to identify bottlenecks and drive measurable improvements across applications and infrastructure.

You'll partner with application, UX, API, platform, and DevOps teams to build performance into delivery workflows, from local development through production monitoring.

location: Telecommute job type: Contract salary: $68.87 - 71.87 per hour work hours: 8am to 5pm education: Bachelors

responsibilities:

Plan and execute performance testing for web applications, APIs, and critical user journeys using tools such as JMeter and LoadRunner.

Design workload models and test scenarios for baseline, load, stress, endurance, and capacity testing.
Analyze results, traces, logs, and network waterfalls to identify frontend, backend, infrastructure, and dependency bottlenecks.
Conduct frontend performance audits using tools such as Lighthouse, WebPageTest, Chrome DevTools, and real-user monitoring platforms.
Evaluate Core Web Vitals and related metrics, including LCP, INP, CLS, FCP, and TTFB, and recommend actionable improvements.
Build and maintain performance dashboards, service-level indicators, and actionable alerts using observability platforms.
Configure and improve synthetic monitoring and real-user monitoring for key pages and user journeys.
Assess CDN and edge performance, including Akamai configuration, caching policies, cache headers, compression, and content delivery behavior.
Validate cache behavior across public and authenticated experiences, including HIT, MISS, STALE, and bypass scenarios.
Develop scripts, utilities, and automation for repeatable performance tests, audits, reporting, and regression detection.
Integrate performance checks into CI/CD pipelines and help establish performance budgets and release criteria.
Work hands-on with application teams to implement and verify performance improvements, including frontend and API changes where appropriate.
Review architecture and design proposals for scalability, resilience, caching, and performance risks.
Collaborate with developers, UX/UI designers, API teams, and platform/DevOps teams to resolve issues and improve delivery practices.
Conduct code and test reviews, document findings, and mentor engineers on performance engineering practices.
Contribute to Agile planning, estimation, and continuous improvement of performance tooling and processes.

qualifications:

Required Qualifications

Bachelor's degree in Computer Science, Engineering, or equivalent practical experience.
5+ years of experience in performance engineering, performance testing, or software engineering.
Strong experience designing, running, and analyzing load and performance tests with JMeter, LoadRunner, or comparable tools.
Experience with frontend performance testing and browser diagnostics, including Chrome DevTools and network analysis.
Hands-on experience building performance dashboards, monitoring systems, and alerting.
Working knowledge of web application architecture, HTTP, APIs, browsers, and distributed systems.
Experience with CDN and caching concepts, including cache-control headers, cache keys, invalidation, and edge delivery.
Experience automating tests and analysis using scripting or programming languages such as JavaScript/TypeScript, Java, or Python.
Understanding of Core Web Vitals and performance optimization techniques for modern web applications.
Experience investigating performance issues across application, API, database, network, and infrastructure layers.
Strong analytical, debugging, and problem-solving skills.
Experience with cross-browser and device testing.
Clear communication skills and the ability to turn technical findings into prioritized recommendations.

Experience with Akamai configuration, CDN analytics, caching rules, or edge delivery.

Familiarity with observability platforms such as Splunk, Dynatrace, Datadog, New Relic, or Grafana.
Experience with Lighthouse CI, WebPageTest, SpeedCurve, mPulse, or similar frontend performance tools.
Experience with synthetic monitoring and real-user monitoring (RUM).
Familiarity with React, Next.js, server-side rendering, and edge-rendering strategies.
Experience with cloud platforms, containers, and Docker.
Experience integrating performance tests into CI/CD pipelines.
Familiarity with A/B testing and measuring performance impact.
Knowledge of accessibility standards, including WCAG 2.2 AA.
Experience with REST or GraphQL APIs and headless CMS-driven applications.

Equal Opportunity Employer: Race, Color, Religion, Sex, Sexual Orientation, Gender Identity, National Origin, Age, Genetic Information, Disability, Protected Veteran Status, or any other legally protected group status.

At Randstad Digital, we welcome people of all abilities and want to ensure that our hiring and interview process meets the needs of all applicants. If you require a reasonable accommodation to make your application or interview experience a great one, please contact HRsupport@randstadusa.com.

Pay offered to a successful candidate will be based on several factors including the candidate's education, work experience, work location, specific job duties, certifications, etc. In addition, Randstad Digital offers a comprehensive benefits package, including: medical, prescription, dental, vision, AD&D, and life insurance offerings, short-term disability, and a 401K plan (all benefits are based on eligibility).

This posting is open for thirty (30) days.

It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

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