Jobs in the United States

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Added 1 min ago
GIS Solution Engineer - Local Government (California)
Esri
Sacramento, CA
Programming and scripting experience with languages such as Python and JavaScript
Added 3 mins ago
Systems Development Engineer, Files, Edge, and Data Streams (FEDS)
Amazon Development Center U.S., Inc.
Denver, CO
The Amazon Dedicated Cloud (ADC), AWS for Government, Storage Services team is hiring a Systems Development Engineer to join the team. This is an exciting opportunity to use the latest…
Added 3 mins ago
Senior Verification Engineer - CPU
NVIDIA USA
CA · TX
We are now looking for a Senior Verification Engineer!
Added 4 mins ago
Jr Software Engineer
Riverside Research Institute
Beavercreek, OH
Riverside Research is seeking a Junior Software Engineer to work closely with the Government customer to implement software applications for an ongoing Air Force project. The chosen…
Added 4 mins ago
TL
Principal Engineer, Security AI Tooling and Automation
TransUnion LLC
Chicago, IL
- $168,750 to $281,250 USD / year
…problems that require new technical approaches. The Sr. Principal Engineer, Security AI Tooling and Automation reports to the SVP, Cyber Defense and serves as a founding senior engineer in…
Added 4 mins ago
Senior Core Infrastructure Engineer, OCI Planning & Capacity
Oracle
Nashville, TN
Oracle Cloud Infrastructure is seeking a motivated Senior Core Infrastructure Engineer to join the OCI Infrastructure Planning and Capacity Management organization.
Added 5 mins ago
FT
Principal Software Engineer (Python, Oracle, AWS)
Fidelity Technology Group, LLC
Boston, MA
- $107,000 to $216,000 USD / year
You are an experienced engineer with a deep hands-on experience developing systems and products with a burning desire to deliver software solutions which unlock the capabilities of…
Added 5 mins ago
Principal Network Engineer
Fidelity Technology Group, LLC
Durham, NC
The Principal Network Engineer on the Network Core and Site Engineering team is responsible for the design, engineering, and implementation of Fidelity Investments’ datacenter and…
Added 5 mins ago
Sr. Data Engineer
cargill
Atlanta
The Senior Data Engineer job designs, builds and maintains complex data systems that enable data analysis and reporting. With minimal supervision, this job ensures that large sets of data…
Added 7 mins ago
MI
AI Software Engineer (TS/SCI)
Maxar Intelligence I
Westminster, CO
- $140,000 to $200,000 USD / year
We are seeking a Senior AI/ML Software Engineer to integrate secure chatbot and AI assistant capabilities into existing geospatial intelligence, analytics, visualization, and…
Added 7 mins ago
MI
Mid-level Full Stack Software Engineer (TS/SCI)
Maxar Intelligence I
Westminster, CO
- $140,000 to $200,000 USD / year
We are seeking an experienced Full Stack Software Engineer to support the development, integration, and sustainment of data analytics applications and capabilities for a large-scale U.S.…
Added 7 mins ago
MI
Mid-level Full Stack Software Engineer (TS/SCI)
Maxar Intelligence I
Westminster, CO
- $140,000 to $200,000 USD / year
We are seeking an experienced Full Stack Software Engineer to support the development, integration, and sustainment of data analytics applications and capabilities for a large-scale U.S.…
Added 7 mins ago
MI
Mid-level Back-End Software Engineer (TS/SCI)
Maxar Intelligence I
Westminster, CO
- $140,000 to $200,000 USD / year
We are seeking an experienced Back-End Software Engineer to support the design, development, integration, and sustainment of a large-scale data analytics platform supporting a U.S.…
Added 8 mins ago
Lead Security Automation Consultant (SOAR / Azure) (copy)
Trility Consulting
Remote, United States
…Azure, ServiceNow, and other security tools. You'll leverage Python, Azure Functions, Microsoft Graph, Microsoft Entra ID, KQL, and API integrations to automate security triage, case…
Added 9 mins ago
Senior Avionics Engineer, Lunar
Vast
Long Beach, CA
Vast is looking for a Senior Avionics Engineer to support our Lunar Program, reporting to the Senior Vice President, Lunar Programs. As the first dedicated avionics engineer on the program,…
Added 9 mins ago
Network Engineering Manager
IREN
Remote, United States
…how the team grows. That means hiring well, developing every engineer, and building the standards and habits that let us bring new GPU capacity online quickly and…
Added 10 mins ago
Senior Software Engineer - Lab Automation
Genentech
South San Francisco, CA
and accelerate decision-making. As a software engineer, you will bridge the gap between scientific workflows and modern software solutions, which may include working alongside laboratory…
Added 10 mins ago
Lead ASIC Verification Engineer
General Dynamics Mission Systems, Inc
Remote, United States
As a Lead ASIC verification engineer for the Bitttercloud II program at Idaho Scientific a business segment within General Dynamics Mission Systems, you’ll support a cross functional team…
Added 10 mins ago
DevOps Engineer
General Dynamics Mission Systems, Inc
Bloomington, MN
As a DevOps engineer for Airborne Systems, you’ll be responsible for designing, implementing, and maintaining continuous integration and delivery pipelines and containerization environments…
Added 10 mins ago
Senior DevOps Engineer
General Dynamics Mission Systems, Inc
Bloomington, MN
As a Senior DevOps engineer for Airborne Systems, you’ll be responsible for designing, implementing, and maintaining continuous integration and delivery pipelines and containerization…
Added 10 mins ago
Staff Software Engineer
Rocket Limited Partnership
Remote, United States
A Staff Software Engineer is an expert developer who has demonstrated their capacity for solving problems of broad scope that support the success of their value stream. They explore,…
Added 10 mins ago
Autonomy Engineer - Millennium Space Systems
Millennium Space Systems
El Segundo, CA
As an Autonomy Engineer you will support Autonomy for a program, study, or proposal. You will evaluate fault & autonomy requirements; define states, modes, and transitions; support…
Added 10 mins ago
Manufacturing Systems and Simulation MP&P Engineer
The Boeing Company
North Charleston, SC
Advanced Production and Automation is seeking a Manufacturing Systems and Simulation MP&P Engineer – Modeling & Simulation (Mid-Level or Lead) for the Production System Modeling, Simulation…
Added 10 mins ago
Associate Systems Engineer
Boeing
Hazelwood, MO · Saint Charles, MO · Berkeley, MO
Technical understanding and experience with any of the following: DOORS, Cadece/Pspice, Python, C#, C++, JavaScript, Visual Studio, Subversion, Azure DevOps, Git, CAFTA, ReliaSoft or…
Added 14 mins ago
Sr. Software Engineer, Backend
Pendo
Raleigh, NC
As a Sr. Software Engineer, you own complex technical challenges and drive solutions independently. You apply sound engineering judgment, partner with product and design, and take…

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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