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Apex Systems · 2 days ago

Applications Dev & Test - Software Design Engineer 4

Mountain View, CA

Full-time

Onsite

Senior Level

$73/hr - $78/hr

5+ years exp

Apex Systems is a world-class IT services company that serves thousands of clients across the globe. They are seeking a Software Design Engineer 4 to analyze and modernize complex legacy implementations and write clean, maintainable systems-level code in C/C++. The role involves debugging issues, preparing specifications, and conducting unit testing.

Human ResourcesInformation TechnologyRecruiting

H1B Sponsor Likely

Responsibilities

Analyze and modernize complex legacy implementations

Write clean, maintainable systems-level code in C/C++

Debug and fix issues using advanced OS-level tools

Prepare detailed specifications, test plans, and migration packages

Conduct unit testing and post-implementation validation

Qualification

Operating Systems KnowledgeC/C++ DevelopmentKernel Driver API FamiliarityDebugging Tools ProficiencyLarge-scale Systems DesignData StructuresAlgorithmsModernizing Legacy APIsReading/Writing CodeDebugging SkillsPerformance Analysis Skills

Required

Operating Systems Knowledge (Windows preferred): 3+ years

C/C++ Development: 3+ years

Kernel Driver API Familiarity: Ability to rapidly gain understanding

Education: Bachelor's degree in Computer Science, Computer Engineering, or related field

Experience: 5+ years in systems-level engineering and software development

Strong foundation in data structures, algorithms, and software design

Large-scale systems software design and troubleshooting

Hands-on experience writing systems-level code in C and C++

Proficiency with debugging tools and techniques, including Windows Debugger, instrumentation-based analysis, and WPP/ETW trace collection

Ability to modernize legacy APIs and implement new designs

Sufficient proficiency in reading/writing code

Deep OS-level engineering experience with Windows

Strong debugging and performance analysis skills

Proven ability to modernize legacy systems and APIs

Benefits

Medical

Dental

Vision

Life

Disability

ESPP (employee stock purchase program)

401K program

HSA (Health Savings Account on the HDHP plan)

SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions

Corporate discount savings program

Certification prep

Library of technical and leadership courses/books/seminars

Certification discounts and other perks to associations that include CompTIA and IIBA

Company

Apex Systems

Glassdoor3.8

Apex Systems, a division of On Assignment, provides organizations with IT staffing solutions to address gaps in their current workforce.

Founded in 1995

Richmond, Virginia, USA

1001-5000 employees

https://www.apexsystems.com

H1B Sponsorship

Apex Systems has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)

Distribution of Different Job Fields Receiving Sponsorship

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Trends of Total Sponsorships

2025 (28)

2024 (21)

2023 (35)

2022 (26)

2021 (29)

2020 (38)