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Software Development Engineer in Test (SDET) - Performance Automation

At Capgemini Engineering, the world leader in engineering services, we bring together a global team of engineers, scientists, and architects to help the world’s most innovative companies unleash their potential. From autonomous cars to life-saving robots, our digital and software technology experts think outside the box as they provide unique R&D and engineering services across all industries. Join us for a career full of opportunities. Where you can make a difference. Where no two days are the same.

Job Description

Job Title: Software Development Engineer in Test (SDET) – Performance Automation

Job Location: Waltham, MA (100% onsite)

About the job you’re considering

This position requires an Engineer with a strong background in Python with Performance test automation. The ideal candidate will help us and our clients by designing and developing automated test suit to evaluate application performance on a Linux based platform and a Behavior-Driven Development (BDD) framework to ensure the quality and reliability of our software applications.

Your role

+ Design, Develop, and Implement Automated Performance Test Scripts: Create robust performance test scripts using Python to ensure comprehensive test coverage across all application features with performance need.

+ Work with developers and engineers to analyze test results and perform bug fixes to enhance application performance.

+ Work closely with developers, product managers, and clients to understand application requirements and develop effective test strategies.

+ Provide guidance on performance testing, processess and standards to ensure quality throughtout the Test development lifecycle.

+ Continuously improve and maintain the existing performance automation framework and processes. Design and develop the automation framework for load testing.

+ Develop comprehensive and well-structured performance test plans and strategies to monitor and optimize application performance.

+ Identifying performance bottlenecks and suggest corrective actions to improve system performance.

+ Participate in CI/CD Efforts: Engage in continuous integration and deployment practices to streamline testing workflows.

+ Prepare and maintain comprehensive documentation of test cases, results, and performance testing protocols.

Your skills and experience

+ Total (3- 7) + years of proven experience in automation testing, with a strong understanding of the Software Testing Life Cycle (STLC) and performance testing methodologies.

+ Prior experience with Design & develops automated test suits (Linux & Python) to evaluate application performance.

+ Diagnose performance issues e.g. application speed (fps), scalability

+ Proficient in Advance **Python** programming language.

+ Linux OS experience. (Rocky Linux 8.8 and above preferred)

+ Load testing – design & develop automation

+ Strong analytical and problem-solving skills.

+ Analyze test results, identify bugs, and work with team to resolve issues (Jira)

+ Familiarity with continuous integration/continuous deployment (CI/CD) processes and tools (e.g., Jenkins, GitLab).

+ Experience with test automation tools (e.g. Loadrunner, Jmeter, etc.).

+ Master’s / bachelor’s degree in computer engineering, Computer Science, or equivalent.

Good to have:

+ Experience with **Squish /Squish coco** .

+ Experience with **National Instruments (NI) PXI System**

+ Knowledge of API testing and tools (e.g., Postman, SoapUI).

+ Familiarity with Agile methodologies and practices.

+ Excellent communication skills and ability to work collaboratively in a team environment.

The base compensation range for this role in the posted location is: $54,300-$108,155/year.

Capgemini provides compensation range information in accordance with applicable national, state, provincial, and local pay transparency laws. The base compensation range listed for this position reflects the minimum and maximum target compensation Capgemini, in good faith, believes it may pay for the role at the time of this posting. This range may be subject to change as permitted by law.

The actual compensation offered to any candidate may fall outside of the posted range and will be determined based on multiple factors legally permitted in the applicable jurisdiction.

These may include, but are not limited to: Geographic location, Education and qualifications, Certifications and licenses, Relevant experience and skills, Seniority and performance, Market and business consideration, Internal pay equity.

It is not typical for candidates to be hired at or near the top of the posted compensation range.

In addition to base salary, this role may be eligible for additional compensation such as variable incentives, bonuses, or commissions, depending on the position and applicable laws.

**Capgemini offers a comprehensive, non-negotiable benefits package to all regular, full-time employees.** In the U.S. and Canada, available benefits are determined by local policy and eligibility and may include:

+ Paid time off based on employee grade (A-F), defined by policy: Vacation: 12-25 days, depending on grade, Company paid holidays, Personal Days, Sick Leave

+ Medical, dental, and vision coverage (or provincial healthcare coordination in Canada)

+ Retirement savings plans (e.g., 401(k) in the U.S., RRSP in Canada)

+ Life and disability insurance

+ Employee assistance programs

+ Other benefits as provided by local policy and eligibility

**Important Notice:** Compensation (including bonuses, commissions, or other forms of incentive pay) is not considered earned, vested, or payable until it becomes due under the terms of applicable plans or agreements and is subject to Capgemini’s discretion, consistent with applicable laws. The Company reserves the right to amend or withdraw compensation programs at any time, within the limits of applicable legislation.

Disclaimers

Capgemini is an Equal Opportunity Employer encouraging inclusion in the workplace. Capgemini also participates in the Partnership Accreditation in Indigenous Relations (PAIR) program which supports meaningful engagement with Indigenous communities across Canada by promoting fairness, accessibility, inclusion and respect. We value the rich cultural heritage and contributions of Indigenous Peoples and actively work to create a welcoming and respectful environment. All qualified applicants will receive consideration for employment without regard to race, national origin, gender identity/expression, age, religion, disability, sexual orientation, genetics, veteran status, marital status or any other characteristic protected by law.

This is a general description of the Duties, Responsibilities and Qualifications required for this position. Physical, mental, sensory or environmental demands may be referenced in an attempt to communicate the manner in which this position traditionally is performed. Whenever necessary to provide individuals with disabilities an equal employment opportunity, Capgemini will consider reasonable accommodations that might involve varying job requirements and/or changing the way this job is performed, provided that such accommodation does not pose an undue hardship. Capgemini is committed to providing reasonable accommodation during our recruitment process. If you need assistance or accommodation, please reach out to your recruiting contact.

Please be aware that Capgemini may capture your image (video or screenshot) during the interview process and that image may be used for verification, including during the hiring and onboarding process.

Click the following link for more information on your rights as an Applicant in the United States.

Capgemini is a global business and technology transformation partner, helping organizations to accelerate their dual transition to a digital and sustainable world, while creating tangible impact for enterprises and society. It is a responsible and diverse group of 340,000 team members in more than 50 countries. With its strong over 55-year heritage, Capgemini is trusted by its clients to unlock the value of technology to address the entire breadth of their business needs. It delivers end-to-end services and solutions leveraging strengths from strategy and design to engineering, all fueled by its market leading capabilities in AI, generative AI, cloud and data, combined with its deep industry expertise and partner ecosystem.

Ref. code: 385981

Posted on: Jan 5, 2026

Experience Level: Experienced Professionals

Contract Type: Permanent

Location:

Burlington, MA, US

Brand: Capgemini Engineering

Professional Community: Products & Systems Engineering

Capgemini is an Equal Opportunity Employer encouraging diversity in the workplace. All qualified applicants will receive consideration for employment without regard to race, national origin, gender identity/expression, age, religion, disability, sexual orientation, genetics, veteran status, marital status or any other characteristic protected by law.