Test Software Engineer (Sunnyvale)

Test Software Engineer We are seeking a Test Software Engineer to develop, maintain, and enhance automated test software supporting advanced hardware validation and manufacturing test environments. This role focuses on integrating software with laboratory test equipment, developing new test solutions, maintaining legacy code, and collaborating with cross-functional engineering and manufacturing teams. The ideal candidate has experience with LabVIEW, MATLAB, Python, and automated test system development.Scope:Test Software Development • Develop, debug, and maintain automated test software using LabVIEW, MATLAB, Python, C#, and related technologies. • Design and enhance software used to control and integrate laboratory test equipment with devices under test (DUTs). • Interface software with instrumentation such as oscilloscopes, spectrum analyzers, lasers, optical transceivers, data acquisition hardware, and custom electronic assemblies. • Integrate LabVIEW with external libraries, Python scripts, MATLAB code, and other software components as required.Test System Support & Maintenance • Maintain and enhance existing automated test systems while supporting the development of new test platforms. • Assume ownership of legacy codebases, understand existing software architecture, and implement improvements with limited documentation. • Troubleshoot software, hardware interfaces, and test execution issues to ensure reliable system performance. • Optimize test methods, software performance, and overall test efficiency.Data Acquisition & Analysis • Develop software for automated data acquisition, processing, and analysis. • Support collection, interpretation, and reporting of test data to improve product validation and manufacturing performance. • Assist in developing and refining test algorithms and measurement methodologies.Documentation & Collaboration • Produce technical documentation for software architecture, code changes, and test systems. • Provide technical support to engineering and manufacturing teams regarding software functionality and troubleshooting. • Collaborate with cross-functional teams to deploy and support automated test solutions in production environments. • Participate in continuous improvement efforts to enhance software quality, maintainability, and manufacturing efficiency.Required: • Experience developing software using LabVIEW, MATLAB, Python, and C#. • Experience maintaining, troubleshooting, and enhancing existing automated test software. • Experience developing automated test systems for new products and supporting manufacturing test environments. • Familiarity with integrating software and laboratory instrumentation for automated testing. • Experience with data acquisition, analysis, and hardware interfacing. • Strong analytical, troubleshooting, and problem-solving skills. • Excellent technical writing and documentation skills. • Ability to evaluate technical tradeoffs and recommend practical solutions. • Strong communication skills and the ability to collaborate across engineering and manufacturing teams.Pluses: • Experience developing software for optical or electronic test systems. • Experience integrating software with laboratory instruments such as oscilloscopes, spectrum analyzers, lasers, optical transceivers, or data acquisition hardware. • Experience supporting production test systems in a manufacturing environment. • Familiarity with Design for Excellence (DFX) principles. • Experience working with global engineering or manufacturing teams. • Experience with USB communication, custom hardware interfaces, or DLL integration.Estimated Min Rate: $40.00Estimated Max Rate: $50.00/hr. Depends on work experience.What’s In It for You?We welcome you to be a part of the largest and legendary global staffing companies to meet your career aspirations. Yoh’s network of client companies has been employing professionals like you for over 65 years in the U.S., UK and Canada. Join Yoh’s extensive talent community that will provide you with access to Yoh’s vast network of opportunities and gain access to this exclusive opportunity available to you. Benefit eligibility is in accordance with applicable laws and client requirements. Benefits include:Medical, Prescription, Dental & Vision Benefits (for employees working 20+ hours per week)Health Savings Account (HSA) (for employees working 20+ hours per week)Life & Disability Insurance (for employees working 20+ hours per week)MetLife Voluntary BenefitsEmployee Assistance Program (EAP)401K Retirement Savings PlanDirect Deposit & weekly epayrollReferral Bonus ProgramsCertification and training opportunitiesNote: Any pay ranges displayed are estimations. Actual pay is determined by an applicant's experience, technical expertise, and other qualifications as listed in the job description. All qualified applicants are welcome to apply.Yoh, a Day & Zimmermann company, is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.Visit to contact us if you are an individual with a disability and require accommodation in the application process.For California applicants, qualified applicants with arrest or conviction records will be considered for employment in accordance with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act. All of the material job duties described in this posting are job duties for which a criminal history may have a direct, adverse, and negative relationship potentially resulting in the withdrawal of a conditional offer of employment.It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.By applying and submitting your resume, you authorize Yoh to review and reformat your resume to meet Yoh’s hiring clients’ preferences. To learn more about Yoh’s privacy practices, please see our Candidate Privacy Notice:  Safe During Your Job SearchFraudulent recruiting communications have become increasingly common. Emails from Yoh recruiters will only come from an @yoh.com email address. Yoh will never ask candidates to pay fees, purchase equipment, send gift cards, or transfer funds as part of the recruiting or hiring process. If you receive a communication that appears suspicious or requests payment, contact Yoh directly before responding or sharing personal information.Reference: BH-398517