Principal Software Engineer MicrosoftPrincipal Software EngineerMountain View, CA$165,600–$296,400 / yearMasters 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. This is a role emphasizing true end‑to‑end responsibility: setting the architectural vision, shaping the platform for AI‑forward discovery experiences, and steering the evolution of product experiences that sit at the heart of how users engage with the intersection of knowledge, content, and personalization on surfaces on which Copilot shows up.
Principal Software Engineer, Experimentation Platform - CoreAI MicrosoftPrincipal Software Engineer, Experimentation Platform - CoreAIMountain View, CA$142,800–$274,800 / yearMaster’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. Lead cross-team collaboration to identify dependencies, negotiate delivery schedules, drive alignment across partner teams, and ensure proper end-to-end testing, live-site coverage, scalability and performance before going live.
Principal Software Engineer, Foundry Agents - CoreAI MicrosoftPrincipal Software Engineer, Foundry Agents - CoreAIMountain View, CA$142,800–$274,800 / yearWithin 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.
Principal Software Engineer dbt LabsPrincipal Software EngineerOakland, CATogether, 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.
Principal/Senior Software Engineer, Experimentation Platform - CoreAI MicrosoftPrincipal/Senior Software Engineer, Experimentation Platform - CoreAIMountain View, CA$119,800–$234,700 / yearMaster’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 OR Bachelor’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 equivalent experience. 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.
Principal Software Engineer - Responsible AI (CoreAI) MicrosoftPrincipal Software Engineer - Responsible AI (CoreAI)Mountain View, CA$142,800–$274,800 / yearThere 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, Go, or Python OR equivalent experience.
Principal Software Engineer - Growth (CoreAI) MicrosoftPrincipal Software Engineer - Growth (CoreAI)Mountain View, CA$165,600–$296,400 / yearAt 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.
NewNetwork Routing & Switching Protocols Software Development- Principal Engineer Arrcus IncNetwork Routing & Switching Protocols Software Development- Principal EngineerSan Jose, CA$200,000–$225,000 / yearThe Arrcus team comprises world-class technologists with an unparalleled record in shipping industry-leading networking products, complemented by industry thought leaders, operating executives, strategic partners, and top-tier VCs. 16+ years of hands-on development experience in some of the following areas: Experience with design and development of large-scale control plane protocols - BGP, OSPF, ISIS, LDP MPLS.
Principal Software Engineering - AI Frameworks MicrosoftPrincipal Software Engineering - AI FrameworksMountain View, CA$142,800–$274,800 / yearThere 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.
NewSenior Software Engineer, Network WealthfrontSenior Software Engineer, NetworkPalo Alto, CA$172,000–$228,000 / yearMultiple automated investing portfolios designed to unlock tax savings through sophisticated strategies like fixed income, tax-loss harvesting, and direct indexing—which we offer at industry-leading low costs and accessible minimums. Job Description We’re looking for a Senior Software Engineer with Networking expertise to join our Infrastructure team, where you will work with hardware and networking across our data centers, offices, and the cloud to build and maintain critical financial systems.
Senior Software Engineer ECLAROSenior Software EngineerSan Francisco, CAAs a Product Engineer: Build and enhance the company's core AI products from processing hundreds of very long PDFs and Excel files to building deep browser automations into legacy systems, and building a scalable platform to support the volume and throughput of the system. Position Overview: Our client, an AI startup, seeks a Senior Software Engineer - Product to help reshape how the insurance broking industry services insurance.
Principal Systems Engineer - Cloud Services Stamford American International HospitalPrincipal Systems Engineer - Cloud ServicesPalo Alto, CA$79.21–$104.97 / hourAs a Principal System Engineer – Cloud Services, You will oversee Stanford Health Cares cloud infrastructure, managing deployment, optimization, and support of cloud-native applications and services to ensure high performance and security. This role is vital for supporting initiatives related to modern application platforms, generative AI, machine learning, data engineering pipelines, Databricks environments, and DevOps frameworks.
NewPrincipal Mechanical Engineer - Vacuum Commonwealth Fusion SystemsPrincipal Mechanical Engineer - VacuumMilpitas, CADedication to safety to mitigate industrial hazards that may include heat, cold, noise, fumes, strong magnets, lead (Pb), high voltage, high current, pressure systems, and cryogenics. Lead Design Reviews: Conduct rigorous reviews for overall mechanical systems and sub-systems, emphasizing manufacturability (DFx) and best practices for mechanical design.
Principal Silicon Engineer MicrosoftPrincipal Silicon EngineerMountain View, CA$142,800–$274,800 / yearDoctorate in Electrical Engineering, Computer Engineering, Computer Science, or related field AND 5+ years technical engineering experience OR Masters Degree in Electrical Engineering, Computer Engineering, Computer Science, or related field AND 8+ years technical engineering experience OR Bachelors Degree in Electrical Engineering, Computer Engineering, Computer Science, or related field AND 12+ years technical engineering experience OR equivalent experience. Doctorate in Electrical Engineering, Computer Engineering, Computer Science, or related field AND 3+ years technical engineering experience OR Masters Degree in Electrical Engineering, Computer Engineering, Computer Science, or related field AND 6+ years technical engineering experience OR Bachelors Degree in Electrical Engineering, Computer Engineering, Computer Science, or related field AND 8+ years technical engineering experience OR equivalent experience.
Staff Software Engineer - Payroll Data RipplingStaff Software Engineer - Payroll DataSan Francisco, CADefine the Unified Query Layer: Partner with other Staff and Principal engineers to design and evolve a cohesive data query layer that spans batch and real-time processing, reducing fragmentation and enabling consistent access patterns. • Partner Cross-Functionally: Work closely with Product, Platform, AI, and other Payroll teams to translate product needs into robust platform capabilities while influencing roadmaps with data-informed tradeoffs.
Senior Software Engineer AmplitudeSenior Software EngineerSan Francisco, CAAs a Senior Software Engineer, youll take on complex infrastructure challenges: designing for extreme throughput, optimizing for millisecond latencies, and building resilient systems that run with close to zero downtime. Amplitude’s Commitment to Diversity Equity & Inclusion (DEI): Amplitude believes that diversity enables the creation of better products, improves the ability to solve complex problems, and drives more powerful solutions.
Senior Software Engineer; Analytics Compute Platform AmplitudeSenior Software Engineer; Analytics Compute PlatformSan Francisco, CABringing non-event data into the core model — representing things like customer profile properties, sessions, and lookup tables alongside event data, so features can be built against a single consistent model quickly and computed efficiently. Our team sits between Amplitudes front-end analytics products/ rest APIs/ MCPs and Nova, our proprietary analytics database, and owns the compute API that translates a users question into a fast, correct answer.
Senior Software Engineer, Platform - Data + AI (Back-End) C3 AISenior Software Engineer, Platform - Data + AI (Back-End)Redwood City, CAC3 AI delivers a family of fully integrated products including the C3 Agentic AI Platform, an end-to-end platform for developing, deploying, and operating enterprise AI applications, C3 AI applications, a portfolio of industry-specific SaaS enterprise AI applications that enable the digital transformation of organizations globally, and C3 Generative AI, a suite of domain-specific generative AI offerings for the enterprise. You will design, develop, and maintain various features in a highly scalable and extensible AI/ML platform for large-scale applications, involving data science, distributed systems, and multi-cloud strategy.
Senior Software Engineer, Agentic AI Platform C3 AISenior Software Engineer, Agentic AI PlatformRedwood City, CAArchitect and build the systems, tools, and frameworks that let data scientists and developers create, deploy, and operate agentic AI applications on the C3 Agentic AI Platform — applying sound design principles to ground agents in governed enterprise data and run them on reliable, scalable runtimes and end-to-end pipelines in a distributed system. You decompose work, delegate to and coordinate several coding agents at once, and review their output with the judgment to catch subtle bugs, security issues, and architectural drift, all while collaborating closely with teammates and keeping code correct, secure, and maintainable.
Senior Software Engineer, Security AI MicrosoftSenior Software Engineer, Security AIMountain View, CA$119,800–$234,700 / yearIn this hands-on engineering role, you will design, build, and operate production AI services that combine large language models, retrieval-augmented generation, agent-based workflows, knowledge systems, and security data to solve real-world security challenges. You will collaborate with engineering, applied science, threat intelligence, security operations, product, and partner teams across Cloud + AI to deliver systems that are secure by design, operationally excellent, durable and grounded in measurable platform impact.