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Software Test Engineer Jobs in Delaware (NOW HIRING)

Symbotic LLC

Test Engineer

Wilmington, DE · On-site

$125K - $187K/yr

Intelligent software orchestrates advanced robots in a high-density, end-to-end system ... What we need We are looking for a System Test Engineer to join the System Test organization. We are ...

Keylent Inc

SDET / ETL Test Engineer

Wilmington, DE · On-site

Keylent Inc is a health care company located in Wilmington, DE, seeking an SDET / ETL Test Engineer. The role involves performing manual and automation testing to validate data sources, execute test ...

Hologic Inc.

Test Engineer 3

Newark, DE · On-site

Creates test and diagnostic software programs, designs test fixtures/equipment and completes ... Creates and manages engineering change orders as they relate to test equipment. Responsible for ...

ISite Technologies Inc

QA SDET

Delaware City, DE · On-site

$39.75 - $54.25/hr

Although the position sits within the QA organization, the expectations outlined in the JD align closely with an *SDET/Quality Engineering* profile that requires substantial software engineering ...

Symbotic LLC

Sr. Test Engineer (Electrical)

Wilmington, DE · On-site

$125K - $171K/yr

Develop and maintain automated test software and frameworks (Python preferred) for instrument ... B.S. in Electrical Engineering (or equivalent) with a minimum of 8 years of hands‑on experience ...

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How much do software test engineer jobs pay per hour?

As of Sep 10, 2026, the average hourly pay for software test engineer in Delaware is $51.49, according to ZipRecruiter salary data. Most workers in this role earn between $42.12 and $58.70 per hour, depending on experience, location, and employer.

What is a software test engineer?

A software test engineer conducts quality assurance tests on software to make sure programs are functioning properly. The three types of testing strategies are black box, where the tester is not familiar with the software, white box, where the tester is aware of the software’s internal structure, and gray box, which is a combination of the two. Responsibilities in this job include running diagnostic tests with a critical mindset, assessing the functionality, and reporting the findings.

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

To thrive as a Software Test Engineer, you need a solid understanding of software development life cycles, test methodologies, and proficiency in programming languages such as Python or Java, often supported by a degree in computer science or related fields. Familiarity with automation tools like Selenium, JUnit, or TestNG, and knowledge of bug tracking systems such as Jira are typically required. Attention to detail, analytical thinking, and effective communication set standout engineers apart by enabling thorough defect identification and clear reporting. These skills and qualities are crucial for ensuring software reliability, meeting quality standards, and facilitating smooth collaboration across development teams.

What are some common challenges faced by software test engineers when working with cross-functional development teams?

Software Test Engineers often encounter challenges such as aligning testing timelines with rapid development cycles, ensuring clear communication of bugs and requirements, and adapting to evolving project priorities. Collaborating closely with developers, product managers, and UX designers requires proactive communication and flexibility, especially when dealing with ambiguous requirements or shifting deadlines. To succeed, it's important to maintain detailed documentation, participate actively in agile ceremonies, and foster a collaborative attitude to resolve issues efficiently and ensure high-quality software releases.

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

AspectSoftware Test EngineerQA Analyst
CertificationsISTQB, CSTE, CSQAISTQB, CSTE, CSQA
Work EnvironmentDevelopment teams, testing labsQuality assurance departments, testing labs
Industry UsageSoftware companies, tech firmsSoftware companies, IT organizations
Primary FocusDesigning, executing tests, automationTest planning, process improvement, documentation

Both roles often require similar certifications and work in software testing environments within tech industries. The Software Test Engineer typically focuses on test case development, automation, and execution, while the QA Analyst emphasizes test planning, quality processes, and documentation. Understanding these distinctions helps organizations assign the right responsibilities and professionals for their testing needs.

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Software Test Engineer jobs near you
Infographic showing various Software Test Engineer job openings in Delaware as of August 2026, with employment types broken down into 1% As Needed, 84% Full Time, 12% Part Time, 2% Contract, and 1% Nights. Highlights an 92% Physical, 1% Hybrid, and 7% Remote job distribution, with an average salary of $107,106 per year, or $51.5 per hour.

POSITION TITLE: Software Development Engineer in Test

Newark, DE • On-site

ECCLESIASTES INC
See more jobs at ECCLESIASTES INCexternal

Full-time

This job post has expired today. Applications are no longer accepted.

Job description

POSITION TITLE: Software Development Engineer in Test
 
POSITION DUTIES: 
Identify, create, design, develop, execute, validate, and enhance software test artifacts, including test plans and automation test suites. Validate software development from project initiation to closure. This includes the preparation of test strategies, test plans, and system test cases, along with providing support for user acceptance testing. Collaborate with Product Owners to capture and analyze project requirements, committing to Program Increment Objectives, and refining user stories. Analyze functional and non-functional requirements for Server/Web- based applications and use this analysis to develop test data for functional unit test cases, covering positive, negative, and edge test scenarios. Design, develop, and execute Structured Query Language queries. Develop and execute automated system integration and End-to-End testing using established test frameworks and scripts. Prepare regression tests and support data requirements for cross-functional implementation. Continuously develop, maintain, and execute test automation scripts while tracking defects and ensuring overall quality management.
 
POSITION REQUIREMENTS: Bachelor's degree (or equivalent) in Computer Science, Computer Information Systems, Engineering (Comp/Mech/Elec), a closely related field. Foreign degree equivalent is acceptable. 5 years of progressively responsible post-bachelor's employment experience in writing test plans, automated scripts, designing test cases, and conducting automation test and unit test. 
 
HOURS: 40 hours/week; 9:00 a.m. – 5:30 p.m.
 
LOCATION OF EMPLOYMENT: 200 Continental  Dr., Suite 401, Newark, DE 19713. Travel is not required, but candidates must be willing to relocate to unanticipated locations throughout the U.S. as required. 
 
CONTACT: To apply, please mail resume and cover letter referencing ‘SDET - 601009’ to Venkat Manda, HR Coordinator, Ecclesiastes,  Inc., 200 Continental Dr., Suite  401, Newark, DE 19713.