1

Senior Test Engineer Jobs in Delaware (NOW HIRING)

Senior AI Engineer

Dover, DE · On-site

$143.50 - $215.20/hr

What You'll Do As a Senior AI Engineer, you will be a key contributor to our internal engineering ... Write unit and integration tests and participate in code reviews to uphold engineering excellence.

New

Job title: Sr Mainframe Developer Role is Hybrid (3 days/wk) Client address: 880 Powder Mill Rd ... new Test regions is preferred. · Experience coding in MQ Series & IMS DB is Mandatory. · ...

New

Sr. .NET Developer

Wilmington, DE · On-site

$53 - $69.75/hr

... engineer deliverables and quality software solutions for product Writing, refurbishing and ... tests to proactively solving potential issues Database & scripting (SQL) a plus Ability to design ...

Senior VC++ MFC Developer

Wilmington, DE · On-site

$53 - $69.75/hr

ICONMA is an IT Services and Consultant company looking for a Senior VC++ MFC Developer for their ... tests for VC plus plus modules to ensure robust coverage, prevent regression, and support ...

Showing results 41-60

Senior Test Engineer information

See Delaware salary details

$68.6K

$118.6K

$168.6K

How much do senior test engineer jobs pay per year?

As of Aug 10, 2026, the average yearly pay for senior test engineer in Delaware is $118,618.00, according to ZipRecruiter salary data. Most workers in this role earn between $97,600.00 and $136,600.00 per year, depending on experience, location, and employer.

What is the difference between Senior Test Engineer vs QA Analyst?

AspectSenior Test EngineerQA Analyst
CredentialsBachelor's in Computer Science or related field; experience in testing; certifications like ISTQBBachelor's in IT, Computer Science, or related; testing experience; ISTQB certification often preferred
Work EnvironmentSoftware development teams; involved in test planning, automation, and executionQuality assurance teams; focuses on manual testing, documentation, and process improvement
Industry UsageUsed across software, tech, and IT industries for testing rolesCommon in software development, IT, and tech sectors for quality assurance

While both roles focus on software quality, Senior Test Engineers typically handle more complex testing tasks, automation, and test strategy, whereas QA Analysts often focus on manual testing, documentation, and process adherence. The Senior Test Engineer role usually requires more technical expertise and experience in automation tools.

How does a senior test engineer typically collaborate with development and product teams during the software release cycle?

As a Senior Test Engineer, you will work closely with software developers and product managers throughout the software release cycle. You'll participate in design and requirement reviews to identify potential quality issues early, help define testing strategies, and provide feedback on testability. Regular communication and collaboration are essential, as you'll often coordinate test plans, report on defects, and ensure that issues are resolved before release. This cross-functional teamwork not only helps deliver high-quality software but also broadens your understanding of the product and enhances your problem-solving skills.

How much does a senior test engineer earn?

A senior test engineer typically earns between $80,000 and $120,000 annually, depending on experience, location, and industry. They often have expertise in automation tools and testing frameworks, which can influence salary levels.

What are the key skills and qualifications needed to thrive as a senior test engineer, and why are they important?

To thrive as a Senior Test Engineer, you need advanced knowledge of software testing methodologies, test automation, and quality assurance principles, typically supported by a degree in computer science or a related field. Expertise with automation tools such as Selenium, JUnit, or TestNG, and familiarity with CI/CD systems like Jenkins are often required, as well as certifications like ISTQB. Strong analytical thinking, problem-solving abilities, and effective communication skills distinguish top performers in this role. These skills are crucial for ensuring software reliability, optimizing testing processes, and collaborating effectively with development teams.

What is a senior test engineer?

Senior Test Engineers are experienced professionals responsible for designing, implementing, and overseeing testing processes to ensure the quality and reliability of software products or systems. They develop test plans, create automated and manual test cases, and collaborate with developers and other stakeholders to identify and resolve issues. Their role often includes mentoring junior team members, improving testing strategies, and ensuring that products meet industry standards and customer requirements.
What are the most commonly searched types of Test Engineer jobs in Delaware? The most popular types of Test Engineer jobs in Delaware are:
What are popular job titles related to Senior Test Engineer jobs in Delaware? For Senior Test Engineer jobs in Delaware, the most frequently searched job titles are:
What job categories do people searching Senior Test Engineer jobs in Delaware look for? The top searched job categories for Senior Test Engineer jobs in Delaware are:
What cities in Delaware are hiring for Senior Test Engineer jobs? Cities in Delaware with the most Senior Test Engineer job openings:
Infographic showing various Senior Test Engineer job openings in Delaware as of August 2026, with employment types broken down into 1% As Needed, 81% Full Time, 13% Part Time, 4% Contract, and 1% Nights. Highlights an 93% Physical, 1% Hybrid, and 6% Remote job distribution, with an average salary of $118,618 per year, or $57 per hour.

Contract Sr. Frontend Engineer

Waters Corporation

New Castle, DE • Hybrid

$118K - $162K/yr

Contractor

Re-posted 20 hours ago


Job description

Overview

TA Instruments is a world leading Scientific Instrumentation company with a focus on Material Characterization. 

Our instruments are pivotal in: Electric Cars, 3D Printing, batteries, recyclable plastics, space suits, candy that melts in your mouth and not your hands, paint that goes on smooth and dries without streaks, even ensuring your French fries have the perfect crunch to them!  Material Science uniquely spans the fields of physics, chemistry, engineering, and manufacturing. 

Our instruments and software come together to aid in accelerating the design of new materials as well as the quality of manufacturing those materials.

We are looking for an experienced Sr. FrontEnd Engineer to join our Research and Development organization and contribute to the continued success of our Thermal Analysis and Rheology products.

This is a hybrid contract position (Requiring on-site for three days a week)

Responsibilities

As a Software Engineer you will:

  • Research, design, develop and release/maintain: User interface, Data analysis, Instrument control software for thermal analysis, rheological, and calorimetric instruments.
  • Work within a formal development process covering the full development lifecycle.
  • Provide code and supporting documentation in accordance with the coding guidelines, quality processes and applicable procedures, including team's definition of done.
  • Keep a pro-active attitude to ensure continuous improvement of the software quality, work process and individual skills.
  • Provide contributions to the application architecture with a focus on scalability, maintainability, and performance.
  • Develop and maintain scalable, responsive web applications using ReactJS and TypeScript.
  • Work closely with UX/UI designers, back end engineers, product managers, and Test Automation team to translate requirements into technical implementations.
  • Build and extend reusable component libraries and adhere to established design systems.
  • Optimize application performance for fast load times and smooth user interactions.
  • Participate in code reviews, sharing constructive feedback with peers.
  • Write unit and integration tests to ensure code quality and reliability.
  • Troubleshoot and resolve technical issues, collaborating with the team to maintain application stability.
  • Stay informed about emerging front end trends, tools, and technologies, and suggest improvements.

 As a Team Member you will:

  • Participate in all team meetings and ceremonies in direct collaboration with other sites, provide input and feedback, take ownership on identified improvements.
  • Actively participate in learning and sharing activities either during informal or formal training and demos.
  • Demonstrate continuous technical improvement.
Qualifications

Education:

  • You have a Bachelors Degree (preferably in a science related subject or in engineering)

Experience:

  • 5+ years of professional front-end development experience.
  • 5+ years of hands-on experience with ReactJS in production environments.
  • Strong proficiency in TypeScript, including advanced typing, generics, and interfaces.
  • Deep understanding of HTML5, CSS3, and modern layout techniques.
  • Experience with state management libraries.
  • Familiarity with front end build tools and bundlers.
  • Proficient in writing unit and integration tests using frameworks.
  • Experience with RESTful APIs integration.
  • Solid understanding of web accessibility standards (WCAG) best practices.
  • Excellent problem-solving skills and attention to detail.

Desired:

  • Experience with server-side rendering frameworks.
  • Knowledge of CI/CD pipelines and infrastructure as code.
  • Familiarity with design tools (Figma) and collaborating with design teams.
  • Experience with performance monitoring and analytics tools.
  • Familiarity with TailWind & ReactQuery.
  • Strong communication skills and ability to work effectively in cross-functional teams.
For you it's more than a job. Among other things we're strong advocates of creating quality software, and using the latest testing methodologies to ensure we meet the expectations of our customers.Company Description

Waters Corporation (NYSE:WAT) is a global leader in life sciences and diagnostics, dedicated to accelerating the benefits of pioneering science through analytical technologies, informatics, and service. With a focus on regulated, high-volume testing environments, our innovative portfolio harnesses deep scientific expertise across chemistry, physics, and biology. We collaborate with customers around the world to advance the release of effective, high-quality medicines, ensure the safety of food and water, and drive better patient outcomes by detecting diseases earlier, managing routine infections, and combating antibiotic resistance. Through a shared culture of relentless innovation, our passionate team of ~16,000 colleagues turn scientific challenges into breakthroughs that improve lives worldwide. 

Diversity and inclusion are fundamental to our core values at Waters Corporation. It benefits our employees, our products, our customers and our community. Waters complies with all applicable federal, state, and local laws. Qualified applicants are considered without regard to sex, race, color, ancestry, national origin, citizenship status, religion, age, marital status (including civil unions), military service, veteran status, pregnancy (including childbirth and related medical conditions), genetic information, sexual orientation, gender identity, legally recognized disability, domestic violence victim status, or any other characteristic protected by law. Waters is proud to be an equal opportunity workplace and is an affirmative action employer. All hiring decisions are based solely on qualifications, merit, and business needs at the time.

Employment Type: OTHER