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Added 1 min ago
Senior Full Stack Software Engineer - Identity Verification & Proofing
Intuit
San Diego, CA · Mountain View, CA
Come join the join Intuit’s Identity Verification Team as a Senior Software Engineer. You’ll be part of a team developing highly available, scalable, industry leading services and…
Added 3 mins ago
Staff Engineer
BlackLine Systems, Inc.
United States
As a Staff Software Engineer, you will play a crucial role in building the next generation of BlackLine and data platform. BlackLine thrives on data and we are investing heavily in being…
Added 7 mins ago
Mechanical Engineer
Skyelia
Fitchburg, MA
We are seeking Mechanical Engineer for an established manufacturing company in Fitchburg, MA. The main responsibilities will be to design, develop, test, and improve electro-mechanical…
Added 7 mins ago
DSP Engineer
DPG Solutions LLC
Aurora, CO
We are seeking a Senior Principal Platform DevOps Engineer with a strong background in Windows systems engineering, cloud infrastructure, and automation to join the DPG team. This role…
Added 8 mins ago
QA Engineer II - VALORANT, Organized Play
Riot Games
Los Angeles, CA
As a QA Engineer II for the Organized Play team on VALORANT, you will operate as an experienced quality owner within your product space. You will partner closely with engineers, producers,…
Added 8 mins ago
High-Speed -Hardware Design Engineer
Capgemini
Santa Clara, CA, CA
Create, execute, and document comprehensive test plans to validate hardware functionality, performance, reliability, and compliance with automotive and industry standards.
Added 9 mins ago
Senior Associate, Systems Engineer - Spacecraft Operator
L3Harris Technologies
Palm Bay, FL
Job Title: Senior Associate, Systems Engineer – Spacecraft Operator
Added 11 mins ago
EW
Mechanical & HVAC Refrigeration Intern (Summer 2027)
EMC Water LLC
Downers Grove, IL
- $20 to $25 USD / hour
Collect and analyze engineering data, test results, and field performance information.
Added 13 mins ago
Transmission Line Technical Manager
Actalent
Atlanta, GA
Communicate delivery performance, project risks, and operational trends to delivery leadership, project managers, and client stakeholders.
Added 13 mins ago
A
Technical Manager - Substation
Actalent
Atlanta, GA
- $180,000 to $210,000 USD / year
Monitor and communicate project portfolio health, including status, risks, and performance against cost, quality, and timing metrics.
Added 13 mins ago
Quality Engineer
SLB
Odessa, TX · Odessa
The Quality Engineer is responsible for developing, applying and maintaining procedures to ensure quality assurance (QA) and quality control (QC) of products, assets, and materials and…
Added 16 mins ago
Staff Software Engineer, Front-End Platforms
Relativity Space
Long Beach, CA
…directly with teams across design, materials, manufacturing, and test and launch to design, implement, and deploy end-user enterprise-wide applications, industrial automation, data…
Added 16 mins ago
Software Engineer II, Front-End Platforms
Relativity Space
Long Beach, CA
…directly with teams across design, materials, manufacturing, and test and launch to design, implement, and deploy end-user enterprise-wide applications, industrial automation, data…
Added 16 mins ago
Operations Quality Engineer II
COV Covidien LP
North Haven, CT
…manufacturing environment focused on ensuring product quality, process performance, and compliance across production operations. The team partners closely with Engineering, Manufacturing,…
Added 16 mins ago
Senior Reliability Engineer
MED Medtronic Inc
Mounds View, MN
The Senior Reliability Engineer will support key technical activities within the Electrophysiology Therapies (EPT) Defibrillation Solutions (DS) Post Market Quality organization. This role…
Added 16 mins ago
Engineer I
COV Covidien LP
Plymouth, MN
The Engineer I will support New Product Development within Medtronic’s R&D team in the Peripheral Vascular Health (PVH) Operating Unit. This role supports all phases of product development,…
Added 16 mins ago
Quality Engineer II
COV Covidien LP
North Haven, CT
…Installation Qualification (IQ), Operational Qualification (OQ), Test Method Validation (TMV), and Performance Qualification…
Added 18 mins ago
AI Lead Architect
Infinitive Inc
Remote, United States
…workflows with Claude Code to establishing automated reconciliation test benches and measuring developer throughput, you will set the engineering standards for the next era of…
Added 18 mins ago
Associate Business Intelligence Engineer
Ventura Foods
Irvine, CA
Report & Dashboard Development - Design, develop, test, and maintain business intelligence reports, dashboards, scorecards, and visualizations using approved BI platforms. Support report…
Added 20 mins ago
T
Linux Infrastructure Engineer
TEKsystems
Irving, TX
- $60 to $75 USD / hour
…escalate tickets, 3. Proactively monitor systems, 4. Assess performance and perform upgrades, 5. Maintain and create SOP's for responses and troubleshooting, maintain/administer accounts,…
Added 25 mins ago
Power Platforms Junior Engineer
Serco
Montpelier, VT
Serco is looking for an experienced and enthusiastic Microsoft Power Platform Engineer capable of understanding technical details across a wide variety of disciplines to join our Maritime…
Added 25 mins ago
Data Scientist 1
Baylor Scott & White Health
Montpelier, VT
internal tools that accelerate development and test whether outputs are accurate, useful, and reproducible.
Added 26 mins ago
Staff Systems Engineer, Strategic Defense
Anduril Industries
Colorado Springs, CO · Huntsville, AL · Washington, DC
Anduril is seeking a talented growth-minded Systems Engineer to join our Strategic Defense team in Washington, DC; or Huntsville, AL. In this role, you will be responsible for defining the…
Added 27 mins ago
Senior Manufacturing Engineer – Photonics Manufacturing & NPI
PsiQuantum
Milpitas, CA
Working closely with Process Engineering, Design Engineering, Test Validation Engineering, Supply Chain, and Operations, you will develop scalable manufacturing processes for hardware and…
Added 27 mins ago
Product Design Electrical Engineer, Data Center Engineering - Electrical Products and Services (DCE-EPS)
Amazon Data Services, Inc.
Austin, TX · Seattle, WA · Atlanta, GA · Columbus, OH · Herndon, VA · Chicago, IL
- Work with field engineering and commissioning teams to properly test and validate installation, operation, and performance of electrical products.

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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