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Development Testing Engineer Jobs in Brookside, DE, US
110+ development testing engineer jobs from 56 companies hiring in Brookside, DE, US.
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Software Engineer Sr (Quality Testing Engineer- QA Testing)
Philadelphia, Pennsylvania, United States
$61k-$146k/yr HybridFull Time
3+ YOESenior software engineer focused on quality testing; experience with mainframe, manual/automated testing, scripting, JIRA/Xray, and change management.
JIRA, Xray, Mainframe, Test Automation, ServiceNow
3w
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Product Design & Development Engineer
Red Lion, Pennsylvania, United States
$95k-$110k/yr OnsiteFull Time
3+ YOEBachelor's in Mechanical/Industrial/Structural Eng; 3–5 years 3D CAD; product design and development; GD&T; prototyping and testing.
3D CAD, FEA, GD&T
2w
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Engineer 4, Software Development & Engineering-9770
Philadelphia, Pennsylvania, United States
HybridFull Time
5+ YOEBachelor’s degree in Computer Science or related field; 5 years Java/Spring development; AWS deployment; OAuth, JWT; security and performance tuning; API automation and testing; mentoring duties.
Java, Spring, JVM, OAuth, JWT, SAML, AWS, Profiler, JMeter, Gatling, Cucumber, Burp, JUnit, Spring Security, JSON, JWE
1w
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Associate Software Development Engineer (SDET), IT Software Engineers
Dresher or Baxter or Newton
RemoteFull Time
0+ YOEBachelor’s degree in CS/Engineering or related field; basic programming in C#, Python or Java; desire to learn in Agile environment; knowledge of testing concepts.
C#, Python, Java, PowerShell, Bash
1mo
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Engineer- Electrical, Product Development
York, Pennsylvania, United States
OnsiteFull Time
3+ YOE3+ years in design, fabrication and testing of motor controllers and electrical systems; hands-on engineering with CAD/PLC; ITAR aware; US citizenship or permanent residency preferred.
SolidWorks, AutoCAD, Microsoft Project, MRP Systems, PLC programming (PC WORX, PLCnext), Microsoft Office
1mo
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Software Engineer (C++ Software Development)
Moorestown, New Jersey, United States
OnsiteFull Time
2+ YOEBachelor's in CS or related; 2+ years C++ development; OO C++; automated testing; ability to obtain DoD SECRET clearance.
C++, Linux, Python, bash, Git, JIRA, Confluence, UML, CI/CD
1mo
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Research Engineering Technologist (Testing)
Exton, Pennsylvania, United States
OnsiteFull Time
2+ YOE5+ years polymer R&D with high school or a BS in polymer processing; strong lab, data, and testing skills; proficient in MS Office; independent problem solver.
Outlook, Word, Excel, Melt Flow Rate testing, Tensile testing, Izod impact testing, Dynatup impact, Injection Molding, Extrusion
1mo
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Engineering Development Support
Aberdeen Proving Ground, Maryland, United States
$75k-$158k/yr OnsiteFull Time
Perform electrical assembly, integration, testing, and PCB population; read schematics; soldering and troubleshooting; collaborate with engineers.
Soldering, Crimping, PCB assembly equipment, Electrical testing equipment, Wiring harnessing
1mo
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Packaging Engineer
Dover, Delaware, United States
OnsiteFull Time
Packaging engineering role in Dover, DE focusing on packaging development, testing, and process improvements.
1mo
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Lead Software Engineer - Sr. Java/AWS Developer
Wilmington, Delaware, United States
OnsiteFull Time
5+ YOE5+ years software engineering with Java and AWS; design, development, testing, and operations focus
Java, AWS, Docker, Kubernetes, REST, DataDog, Dynatrace, Splunk, CI/CD
3w
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Software Engineer-Mobile Development (Android)
Philadelphia, Pennsylvania, United States
$65k-$80k/yr OnsiteFull Time
5+ YOEStrong proficiency in React Native with Android focus; solid Android fundamentals; experience with Android Studio, Gradle, Android SDK; Java/Kotlin/JavaScript/TypeScript; REST APIs; Git; AWS; SQL databases; automated tests; team collaboration.
React Native, Java, Kotlin, Android Studio, Gradle, Retrofit, Room, WorkManager, Google Play Console, AWS, Git, SQL, PostgreSQL, Oracle, MSSQL, Node.js, .NET Core, PHP, Docker, CI/CD, API design and development
2mo
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Test Engineer - Digital Relay Test Automation
King of Prussia, Pennsylvania, United States
$98k-$144k/yr OnsiteFull Time
2+ YOEB.S. in Electrical Engineering; 2+ years in designing and developing production tests; strong writing, documentation, and communication; programming experience; team player; background check and drug test.
Python, Perl
1mo
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Flight Test Engineer
Coatesville, Pennsylvania, United States
$140k-$160k/yr OnsiteFull Time
5+ YOE5+ years in VTOL/system development; experience with mechanical/electrical testing; Python and design software proficiency; bachelor’s in engineering; ability to obtain security clearance.
Python, Microsoft Office, Engineering design software
2w
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Test Engineer III
Aberdeen or Aberdeen
$90k-$110k/yr OnsiteFull Time
Techximius: Provides specialized IT and engineering services for defense missions.
4+ YOEExperience in test and evaluation, system validation, or IT/system troubleshooting; develop/execute test plans; strong documentation; troubleshoot hardware, software, and networks.
1mo
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Engineer IV - Control Systems
Philadelphia, Pennsylvania, United States
$113k-$136k/yr OnsiteFull Time
10+ YOE10+ years as a control systems engineer; BS in Engineering; PLC development/testing/installation; leadership experience; documentation such as SCDs.
Rockwell ControlLogix, Studio 5000, Siemens SIMATIC Step 7, TIA Portal
2mo
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Senior Software Test Engineer (onsite)
New Freedom, Pennsylvania, United States
$80k-$110k/yr OnsiteFull Time
5+ YOESenior Software Test Engineer with 5+ years in software development and testing; 4+ years manual testing (preferably automated); proficient in C/C++, Python; hardware testing with oscilloscopes, logic analyzers, and JTAG; experience leading testing for embedded systems; US citizen or permanent resident.
C, C++, Python, Oscilloscopes, Logic Analyzers, JTAG
1mo
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Mulesoft Developer
Malvern or Remote
RemoteFull Time
4+ YOE4+ years MuleSoft development; design, develop, test, deploy MuleSoft integrations; Salesforce and ERP experience; API-led design; MuleSoft certifications.
MuleSoft Anypoint Platform, RAML, DataWeave, Anypoint Studio, Java, XML, JSON, SQL, Salesforce REST, Salesforce SOAP, Salesforce Bulk API, Salesforce Platform Events, Splunk, CloudHub, API Manager, runtime monitoring
3w
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Quality Test Engineer III
Philadelphia, Pennsylvania, United States
$72k-$119k/yr OnsiteFull Time
Design, develop, and maintain automated test frameworks; RESTful API testing; CI/CD integration; accessibility, performance testing; JS/TS expertise.
Webdriver.io, Playwright, JavaScript, TypeScript, RESTful API testing, Cucumber, Gherkin, Jenkins, GitHub Actions, BrowserStack, Axe, Pa11y, WAVE, K6, Locust, JMeter
10h
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Test Engineer - Semiconductor Capital Equipment (US - PA - Horsham)
Horsham, Pennsylvania, United States
$72k-$106k/yr OnsiteFull Time
2+ YOEBachelor’s or Master’s with 2+ years in testing complex mechanical/electromechanical products; experience reading schematics and performing test development.
4d
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Software Engineer
Aberdeen Proving Ground or Fort Belvoir or Huntsville or Austin or Tobyhanna Army Depot or Letterkenny Army Depot or Lakehurst
OnsiteFull Time
5+ YOE5+ years of experience in software development; strong ability to design, develop, test, and maintain software systems; experience collaborating with cross-functional teams.
1w
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Senior Quality Test Engineer II
Philadelphia, Pennsylvania, United States
$87k-$144k/yr OnsiteFull Time
Automated QA engineer with JavaScript/TypeScript, Webdriver.io or Playwright, API testing, CI/CD, and accessibility/performance testing.
Webdriver.io, Playwright, RESTful API testing, Cucumber, Jenkins, GitHub Actions, BrowserStack, Axe, Pa11y, WAVE, K6, Locust, JMeter
1w
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Senior Lead Software Engineer - Python/PySpark/AWS/AI
Wilmington or Plano
OnsiteFull Time
5+ YOE5+ years of applying software engineering with hands-on design, development, testing, and operations.
Python, PySpark, AWS, Databricks, Snowflake, ETL, datapipelines
5d
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Software Engineer - IV
Moorestown, New Jersey, United States
$120k-$175k/yr OnsiteFull Time
9+ YOEBachelor's degree in Engineering/CS/Math/Physics or related field; 9-13 years of software development; security clearance; Java/C++/Python; Agile; Linux/UNIX; IDEs; UML; testing; radar/real-time domain a plus.
Java, C++, Python, Linux, UNIX, Eclipse, UML, Cameo, Clearcase, JIRA, xUnit, Junit, CPPUnitLite, CMMI, Assemblers
3w
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Manufacturing Engineer Technician
Swedesboro, New Jersey, United States
$30-$35/hr OnsiteFull Time
3+ YOEAssist design, development, and testing of manufacturing processes; monitor production; troubleshoot equipment; analyze data; document procedures; support safety and quality.
CAD, SolidWorks, AutoCAD, ERP, Microsoft Office
3w
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Developer - Innovation & Digital Enablement Automation
Akron or Greensburg or Reading
RemoteFull Time
4+ YOEBachelor’s in Computer Science or related field; experience with TypeScript, Playwright; Azure DevOps; CI/CD; SQL Server; web/API/mobile testing; Agile; Selenium a plus.
TypeScript, Playwright, Azure DevOps, CI/CD, SQL Server, Selenium WebDriver, Visual Studio Code, Eclipse, IntelliJ, GitHub Copilot, BrowserStack, Maven, Git
2w
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Python Developer / Engineer (US)
Mount Laurel or Fort Lauderdale
$79k-$128k/yr HybridFull Time
5+ YOE5-7 years of relevant experience; strong Python/JavaScript stack; REST APIs; SQL/NoSQL databases; testing; Git.
Python, Node.js, Express.js, React.js, JavaScript (ES6+), MongoDB, PostgreSQL, MySQL, REST, Jest, Mocha, Git
4w
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Software Engineer (Mid-level)
Springfield, Pennsylvania, United States
HybridFull Time
3+ YOE3-5 years professional software development; cross-stack ability; strong collaboration; able to leverage AI tools; portfolio
.NET Core, Node.js, Python, React, Next.js, TypeScript, Azure, SQL Server, Microservices, Functions, Lambdas, CI/CD, Unit Testing, Automated Testing
2w
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Ruby on Rails Developer
Kennett Square, Pennsylvania, United States
$98k-$158k/yr OnsiteFull Time
5+ YOERails development, AWS core services, testing, CI/CD, databases, Agile
Ruby on Rails, AWS, RSpec, Capybara, MySQL/Aurora, GitHub Enterprise / GitHub Actions, HTML/CSS
1mo
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Web Developer II
Horsham, Pennsylvania, United States
HybridFull Time
3+ YOEDevelop, test, and maintain web applications using PHP, SQL, HTML, CSS, JavaScript; collaborate with team; troubleshoot and optimize performance.
PHP, SQL, HTML, CSS, JavaScript, Git, RESTful APIs, Linux, AWS, Azure
1mo
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Software Engineer
Buffalo Grove or Wilmington or Lewisville or Logan
RemoteFull Time
6+ YOE6+ years full stack software design/development; C#, .NET, ASP.NET, TypeScript, React; cloud (Azure/AWS/Google); microservices; containers (Docker/Kubernetes) and testing; strong communication and collaboration.
C#, DotNet, ASP.NET, TypeScript, React, Next.js, Vue.js, Svelte, Azure, AWS, Google Cloud, Docker, Kubernetes
4w
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Research Development Project Technician
Lafayette Hill, Pennsylvania, United States
OnsiteFull Time
Onsite role in Lafayette Hill, PA; manages multiple projects; creates 2D drawings; designs labels for regulated applications; conducts lab testing; documents work.
AutoCAD LT
1d
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Application Engineer - III
Malvern, Pennsylvania, United States
HybridFull Time
5+ YOESenior application engineer with Java, microservices, AWS, test automation, SRE tools, AWS Aurora, Kafka; 5+ years software engineering; DevOps familiarity; API management; cloud/AWS knowledge; bachelor's degree.
Java, Microservices, AWS, Test Automation, SRE Tools, AWS Aurora, Kafka, Bamboo, Bitbucket, Git, GitHub, Glue, ECS, Lambda, AWS S3
1mo
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SDET Engineer
Philadelphia, Pennsylvania, United States
$72k-$130k/yr OnsiteFull Time
2+ YOEBachelor's degree plus 2 years' related experience or equivalent; 2-4 years in development languages and automation tools; Agile, end-to-end testing, problem solving, analytics; 18+ and authorized to work in the US.
TypeScript, JavaScript, Python, Java, Cypress, Selenium, TestNG, Appium, Sauce Labs, Rest Assured, Postman, Cucumber, Jasmine, Protractor
3w
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Software Systems Engineer
Auburn or Aberdeen
OnsiteFull Time
1+ YOEBachelor’s degree in engineering or computer science; software architecture and integration; use cases, requirements, testing, and documentation experience.
C++, cmake, Docker, Kubernetes, Helm, Git, CI/CD, APIs
3w
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Web Test Engineer
Aberdeen Proving Ground, Maryland, United States
RemoteFull Time
3+ YOE3+ years software testing and automation; automated web testing with Cypress/Selenium; Agile/Scrum experience; CI/CD familiarity; containerization with Docker/Kubernetes; strong troubleshooting.
Cypress, Selenium, TestNG, JUnit, Postman, REST Assured, SoapUI, GitLab CI, Docker, Kubernetes, Maven, Gradle, NPM, JMeter, Java, JavaScript, Cucumber, Gherkin, SQL, Git
2w
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Sr Quality Engineer
King of Prussia, Pennsylvania, United States
OnsiteFull Time
5+ YOE5+ years in software testing/automation; Bachelor's in CS/Engineering; experience with Playwright, Selenium, Cypress; CI/CD integration; Java/Python/Go/Rust; strong debugging and collaboration.
Playwright, Selenium, WebDriver, Gauge, Cypress, GitHub Actions, Azure DevOps, Jenkins, GitLab CI, Docker, Kubernetes, Prometheus, Grafana, Allure, JUnit
1mo
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Senior Engineer, SDET
Philadelphia, Pennsylvania, United States
$89k-$161k/yr OnsiteFull Time
5+ YOE5+ years in software testing, automation, and SDET with leadership of test automation strategies.
TypeScript, JavaScript, Python, Java, Cypress, Selenium, TestNG, Appium, Sauce Labs, Rest Assured, Postman, Cucumber, Jasmine, Protractor
2mo
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Robotic Software Engineer - Manipulation
Philadelphia, Pennsylvania, United States
OnsiteFull Time
3+ YOESenior robotics engineer with 3+ years in manipulation, motion planning, control; strong C++/Python, ROS 2, and hardware testing.
MoveIt, OMPL, MuJoCo, Gazebo, Isaac, Bullet/PyBullet, ROS 2, C++17/20, Python, Unix/Linux
1w
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Software Engineer - Early Career
Camden or Moorestown
OnsiteFull Time
2+ YOEMaster’s Degree in Computer Science or equivalent; minimum 2 years C++ software development; OO C++; experience with automated testing; US citizen; government security clearance; facility with special access.
C++, Object-Oriented Programming, UML, Linux, Python, Git, JIRA, Confluence, Static Code Analysis, CI/CD
2w
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Associate Software Engineer
Moorestown, New Jersey, United States
OnsiteFull Time
0+ YOEBachelor’s degree or equivalent experience; ability to obtain US government clearance; 0-2 years in real-time mission-critical software development; proficient in Java, C++, or Python; experience with Windows, UNIX/Linux; familiar with UML and testing tools.
Java, C++, Python, Windows, Linux, Solaris, UNIX, Eclipse, UML, JIRA, Clearcase, CPPUnitLite, JUnit
HiringCafe market data
Development Testing Engineer Jobs market signals in Brookside, DE, US
These signals come from live HiringCafe job inventory, not a static article. Use them to compare the market, then open listings above to apply directly.
Open jobs
110+
Hiring companies
56
Fresh sample
53% new in 30d
Salary visibility
54% show pay
Companies appearing in this market
JPMorgan ChaseLockheed MartinASRC FederalCACIT-MobileTrinseoAscensusCaterpillar
Work location mix in visible results
Onsite: 55Hybrid: 9Remote: 6