SDET (Software Development Engineer in Test) - Onsite

Cognizant; Lake Forest (CA); On-site; USD 100,000 - 130,000; Full time

Benefits offered by this job

Medical/Dental/Vision/Life Insurance

401(k) plan and contributions

Paid holidays and PTO

Stock Purchase Plan

Job summary

Cognizant is seeking an SDET to join our team in California, focusing on manual and automated testing of Windows desktop applications, web apps, and APIs. The candidate will develop test frameworks in C# and leverage UIA for automation, while supporting QA processes across agile teams.

You will collaborate with cross-functional teams, debug .NET applications, and contribute to quality through design, execution, and mentorship. This role emphasizes strong testing skills and leadership potential.

Qualifications

• 4+ years of experience in Software Testing/SDET roles.
• Strong programming skills in C#.
• Experience with UI Automation (UIA), CodedUI, and Visual Studio.
• Expertise in testing Windows Desktop Applications, Web Applications, and APIs.
• Hands-on experience building test frameworks and test harnesses.
• Strong debugging and troubleshooting skills for .NET applications.
• Experience with Azure DevOps, Git, or TFVC.
• Knowledge of Agile/SAFe development methodologies.
• Excellent analytical, problem-solving, and communication skills.

Responsibilities

• Design, develop, and execute manual and automated test cases.
• Build and maintain test automation frameworks using C# and UI Automation.
• Perform functional, system, integration, and API testing.
• Define test strategies, test plans, and QA processes.
• Debug and troubleshoot .NET applications to identify defects.
• Collaborate with development, product management, and cross-functional teams.
• Mentor junior QA engineers and promote quality best practices.

Skills

C#

UI Automation

Web testing

API testing

Debugging

Agile/SAFe

Tools

Visual Studio

Azure DevOps

Git

TFVC

Job description

*Please note, this role is not able to offer visa transfer or sponsorship now or in the future*lease note, this role is not able to offer visa transfer or sponsorship now or in the future*

*Please note, this role is not able to offer visa transfer or sponsorship now or in the future

About Us:

Cognizant is one of the world's leading professional services companies, transforming clients' business, operating, and technology models for the digital era. Our unique industry-based, consultative approach helps clients envision, build, and run more innovative and efficient businesses. Headquartered in the U.S., Cognizant, a member of the NASDAQ-100, is ranked 195 on the Fortune 500 and is consistently listed among the most admired companies in the world. Learn how Cognizant helps clients lead with digital at www.cognizant.com.

About Cognizant’s IoT Practice:

Intelligent, IoT-enabled products will soon result in the proliferation of data and disrupt virtually all industries. To be successful, both large and small companies must leverage IoT capabilities by designing modern products that fundamentally connect people with processes. Within Cognizant IOT, we engineer industry-aligned, IoT-enabled products that merge industry needs with human drivers. Our intelligent products will revolutionize experiences and result in exciting, transformative outcomes. Without human-centered thinking, connected products are just standalone things—but with it, our modern connected products facilitate a unified way of life enjoyed by all.

SDET (Software Development Engineer in Test)

Job Summary:

We are seeking an SDET with strong experience in both manual and automated testing of Windows desktop applications, web applications, and APIs. The ideal candidate will have expertise in C#, test automation frameworks, .NET application testing, and white-box testing methodologies.

Key Responsibilities:

• Design, develop, and execute manual and automated test cases.
• Build and maintain test automation frameworks using C# and Microsoft UI Automation (UIA).
• Perform functional, system, integration, and API testing.
• Define test strategies, test plans, and quality assurance processes.
• Debug and troubleshoot .NET applications to identify and isolate defects.
• Collaborate with development, product management, and cross-functional teams.
• Mentor junior QA engineers and promote quality best practices.

Required Skills:

• 4+ years of experience in Software Testing/SDET roles.
• Strong programming skills in C#.
• Experience with UI Automation (UIA), CodedUI, and Visual Studio.
• Expertise in testing Windows Desktop Applications, Web Applications, and APIs.
• Hands-on experience building test frameworks and test harnesses.
• Strong debugging and troubleshooting skills for .NET applications.
• Experience with Azure DevOps, Git, or TFVC.
• Knowledge of Agile/SAFe development methodologies.
• Excellent analytical, problem-solving, and communication skills.

Compensation:

- Base Salary $100 K to $130 K + COLA and this position is also eligible for Cognizant’s discretionary annual incentive program, based on performance and subject to the terms of Cognizant’s applicable plans. Application will be accepted by 9/18/2026

Benefits

• Medical/Dental/Vision/Life Insurance
• Paid holidays plus Paid Time Off
• 401(k) plan and contributions
• Long-term/Short-term Disability
• Paid Parental Leave
• Employee Stock Purchase Plan

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