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Principal Software Engineer Jobs in Burlingame, CA

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Principal Software Engineer eGain Corporation

Sunnyvale, CA

As a Principal Software Engineer in our Engineering team, you will architect and build AI-powered services that ship to some of the world’s largest enterprises, set the technical patterns the rest of the org builds on, and lead the adoption of AI-assisted development workflows across the team. Trusted by the world’s most customer-centric companies, eGain’s platform combines the power of generative AI with structured, curated enterprise knowledge to deliver accurate, consistent, and compliant answers across every customer touchpoint.

11 days ago

Principal Software Engineer, AI Tooling & Adoption Census

Oakland, CA

$225,813–$282,266 / year

Together, we’re delivering the data infrastructure layer that helps organizations move, transform, and trust their data — from the moment data moves, through every transformation, to the context teams and AI systems rely on. As the single point of contact for AI initiatives in Engineering, you will orchestrate an engineering-wide transformation that makes AI-driven productivity a core engineering competency.

11 days ago

Principal Software Engineer Census

Oakland, CA

$225,813–$282,266 / year

Together, we’re delivering the data infrastructure layer that helps organizations move, transform, and trust their data — from the moment data moves, through every transformation, to the context teams and AI systems rely on. You will operate at the intersection of architecture, execution, and organizational influence — solving deeply complex distributed systems challenges while shaping engineering direction across multiple teams.

11 days ago

Principal Software Engineer I - Serverless - Platform Control Plane Elastic

San Jose, CA

8+ years building software, including setting technical direction for complex distributed systems running production at scale (Staff or Principal level, or equivalent scope). By taking advantage of all structured and unstructured data — securing and protecting private information more effectively — Elastic’s complete, cloud-based solutions for search, security, and observability help organizations deliver on the promise of AI.

11 days ago

Senior/Principal Software Engineer - Growth (CoreAI) Microsoft

San Francisco, CA

$119,800–$234,700 / year

There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $160,200 - $261,000 per year. CoreAI – Platform and Tools is Microsoft’s AI‑first engineering organization, created to build the end‑to‑end Copilot & AI stack powering products like GitHub Copilot and Visual Studio Code.

11 days ago

Principal Software Engineer - GitHub Platform & Enterprise Microsoft

Mountain View, CA

$165,600–$296,400 / year

Champion security across GitHub Actions by designing and implementing isolation mechanisms for untrusted code execution, ensuring compliance with enterprise security requirements, and partnering with Security teams to protect against vulnerabilities in our services. There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $220,800 - $331,200 per year.

11 days ago

Principal Software Engineer, Foundry Agents - CoreAI Microsoft

Mountain View, CA

$142,800–$274,800 / year

Within CoreAI, the Foundry Agents organization is responsible for key ownership areas across the end‑to‑end agent lifecycle: (a) Foundry Agents platform to deploy and run agents securely at enterprise scale with seamless integration with governed tools, (b) model fine‑tuning to train and improve agentic performance, and (c) Foundry observability to generate insights from agentic traces and continuously evaluate and optimize agents. Masters 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 Bachelors Degree in Computer Science or related technical field AND 15+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience.

11 days ago

Principal Software Engineer Microsoft

Mountain View, CA

$142,800–$274,800 / year

Bachelors 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 Masters 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. More broadly, OCTO leads investments in emerging technical bets, provides technical insights, and drives high-priority company-wide AI initiatives, while partnering closely with engineering, research, and product teams.

11 days ago

Principal Software Engineer - Search Infra Elastic

San Francisco, CA

This role provides technical vision and direction for Elasticsearch’s core search infrastructure, including indexing, retrieval, and relevance, and requires deep expertise in search internals and cross-team collaboration. By taking advantage of all structured and unstructured data — securing and protecting private information more effectively — Elastic’s complete, cloud-based solutions for search, security, and observability help organizations deliver on the promise of AI.

11 days ago

Principal Software Engineer - Vector Search Elastic

San Francisco, CA

This is a principal software engineering role that focuses on enhancing the vector similarity search functionality within Elasticsearch, covering the design and implementation of new vector search features, enhancements to existing vector search functionality, and resolving bugs. By taking advantage of all structured and unstructured data — securing and protecting private information more effectively — Elastic’s complete, cloud-based solutions for search, security, and observability help organizations deliver on the promise of AI.

11 days ago

Principal Software Engineer - Search Algorithms Elastic

San Francisco, CA

11 days ago

Principal Software Engineer - Performance Tuning Elastic

San Francisco, CA

By taking advantage of all structured and unstructured data — securing and protecting private information more effectively — Elastic’s complete, cloud-based solutions for search, security, and observability help organizations deliver on the promise of AI. This includes deep experience with benchmarking tools (e.g., flamegraphs, JMH, Rally), identifying performance regressions, and implementing algorithmic or hardware-aware optimizations.

11 days ago

Principal Software Engineer - Storage Engine Elastic

San Francisco, CA

Remote

This globally distributed, fully remote team of experienced engineers develops core storage and query technologies for observability workloads, including improving storage efficiency, advancing ES|QL query processing and performance, and optimizing data layouts for object storage. By taking advantage of all structured and unstructured data — securing and protecting private information more effectively — Elastic’s complete, cloud-based solutions for search, security, and observability help organizations deliver on the promise of AI.

11 days ago

Principal Software Engineer - Security Elastic

San Francisco, CA

By taking advantage of all structured and unstructured data — securing and protecting private information more effectively — Elastic’s complete, cloud-based solutions for search, security, and observability help organizations deliver on the promise of AI. • You have a solid comprehension of distributed systems security, including node-to-node mutual trust, zero-trust transport, partition tolerance, and cluster state propagation.

11 days ago

Principal Software Engineer, Full Stack Tableau Software

San Francisco, CA

In addition to Events Technology, you will play a part in other public web experiences including www.tableau.com, www.mulesoft.com, and "role based" sites such as the developer, admin, and architect subdomains of Salesforce.com. Our industry-leading platforms and solutions help connect target audiences to the content they need, when and where they need it — making it as easy as possible for them to learn how to use Salesforce products and drive business growth.

11 days ago

Principal Software Engineer - Growth (CoreAI) Microsoft

Mountain View, CA

$165,600–$296,400 / year

At this level, impact comes from building repeatable systems and raising the engineering bar: better experiment quality, better telemetry, safer rollouts, and clearer business outcomes — delivered through pragmatic execution and deep technical judgment. There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $220,800 - $331,200 per year.

11 days ago

Principal Software Engineering - AI Frameworks Microsoft

Mountain View, CA

$142,800–$274,800 / year

There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $188,000 - $304,200 per year. Bachelors 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 OR equivalent experience.

11 days ago

Senior Software Engineer Jobot

San Francisco, CA

$225,000–$450,000 / year
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2 days ago

Principal ML Platform Engineer - Remote Appian Corporation

San Francisco, CA

Remote

$175,000–$325,000 / year

Growth Opportunities: Appian provides a diverse array of growth and development opportunities, including our leadership program tailored for new and aspiring managers, a comprehensive library of specialized department training through Appian University, skills based training, and tuition reimbursement for those aiming to advance their education. Equipped with cutting-edge AI tooling, you will drive the design and delivery of high-complexity engineering solutions, set the technical bar for the team, and lead other engineers towards solutions of real complexity to ensure flawless Enterprise-Grade Orchestration.

11 days ago

Principal Java Engineer - Distributed Systems, Serverless Elastic

San Jose, CA

Leveraging your deep distributed systems expertise to design, build, and operate core pieces of our next-generation Serverless Elasticsearch offering, directly impacting the experience of customers worldwide. By taking advantage of all structured and unstructured data — securing and protecting private information more effectively — Elastic’s complete, cloud-based solutions for search, security, and observability help organizations deliver on the promise of AI.

11 days ago

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Principal Software Engineer Jobs in Burlingame, CA

Principal Software Engineer eGain Corporation

Principal Software Engineer, AI Tooling & Adoption Census

Principal Software Engineer Census

Principal Software Engineer I - Serverless - Platform Control Plane Elastic

Senior/Principal Software Engineer - Growth (CoreAI) Microsoft

Principal Software Engineer - GitHub Platform & Enterprise Microsoft

Principal Software Engineer, Foundry Agents - CoreAI Microsoft

Principal Software Engineer Microsoft

Principal Software Engineer - Search Infra Elastic

Principal Software Engineer - Vector Search Elastic

Principal Software Engineer - Search Algorithms Elastic

Principal Software Engineer - Performance Tuning Elastic

Principal Software Engineer - Storage Engine Elastic

Principal Software Engineer - Security Elastic

Principal Software Engineer, Full Stack Tableau Software

Principal Software Engineer - Growth (CoreAI) Microsoft

Principal Software Engineering - AI Frameworks Microsoft

Senior Software Engineer Jobot

Principal ML Platform Engineer - Remote Appian Corporation

Principal Java Engineer - Distributed Systems, Serverless Elastic

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