Principal Software Engineer
Mountain View, CAJobPosted todayStill listed today
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At a glance
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Job overview
The Principal Software Engineer designs, develops, and maintains scalable AI-forward APIs, Model Context Protocols, and services. The role leads feature development from concept through launch, contributes to design documentation, and provides guidance and mentorship. It also includes on-call monitoring and restoring services for simple problems, alongside building reliable, scalable, and maintainable enterprise software.
Skills & qualifications
Skills
Qualifications
Full job description
Design, develop, and maintain scalable Ai forward API's, Model Context Protocols (MCP's) and services. Identify dependencies and contribute to design documentation with minimal oversight. Develop and implement reusable, high-quality code for services and features. Lead feature development from concept through launch. Break down large work items into smaller tasks and provide accurate estimations. Serve as a Designated Responsible Individual (DRI) working on-call to monitor system/product feature/service for degradation, downtime, or interruptions and gains approval to restore system/product/service for simple problems. Stay current with technologies to improve reliability, performance, and scalability. Provide guidance and mentorship to other team members. Bachelor's Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python Master's Degree in Computer Science or related technical field AND 8+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR Bachelor's Degree in Computer Science or related technical field AND 12+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience. Experience shipping complex, enterprise-scale software with emphasis on reliability, scalability, and maintainability. Proficiency in a back-end programming language (e.g., Node.js, C#, Java). Experience with RESTful APIs and their design and microservices architecture. Experience with AI/ML concepts and their application in software development. Knowledge of CI/CD pipelines and automated testing frameworks. Familiarity with cloud platforms such as Azure, AWS, or Google Cloud. Portfolio or open-source contributions that highlight versatility across technologies, frameworks, or domains.
How this job compares
Set against the 41,882 open Software Engineer jobs on Olive Jobs, counted November 7, 2026.
- Pay
- This postingNot listed
- California median$165–246K/yr7,782 salary ranges
- California median$46–65/hr162 hourly ranges
- Openings
- Olive Jobs lists 9,705 open Software Engineer jobs in California and 41,882 across the US. 8% of them nationwide are listed as remote or flexible.
- Experience
- Software Engineer postings that state a minimum ask for 5 years of experience at the median; the middle half ask for 3 to 7 years (34,350 postings).
- Education
- 13,565 of the 41,882 open Software Engineer jobs (32%) ask for a bachelor's degree or higher.
Counted across the open, public US postings on Olive Jobs on November 7, 2026. Pay medians are the middle values of the low ends and of the high ends of postings that list both ends of a range in the same cadence (a yearly salary or an hourly rate); a range's midpoint is halfway between its ends. Pay and experience figures resting on fewer than 20 postings are left out.
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