571 Results for

Principal Software Engineer Jobs in Sunnyvale, CA

Jobs

New!

Foster City, CA6 days ago

$123,000–$190,900 Per Year

Basic Qualifications • 2+ years of relevant work experience and a Bachelors degree, OR 5+ years of relevant work experience Preferred Qualifications • 3 or more years of work experience with a Bachelor’s Degree or more than 2 years of work experience with an Advanced Degree (e.g. Develop software applications and programs leveraging micro services architecture using Java, Sprint boot, Kafka, relational databases including MySQL and NoSQL databases like OpenSearch    .

San Francisco, CA7 days ago

Remote

$170,000–$270,000 Per Year

The ideal candidate will be mid-level backend .Net Software Engineer with recent experience within a small, fast-paced, API-focused AI infrastructure startup company with lean, highly collaborative engineering teams, where they have operated with significant ownership, autonomy, and a strong “go-getter” mentality. Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal.

San Francisco, CA7 days ago

$225,000–$275,000 Per Year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. We’re an early-stage, high-growth B2B fintech company building a modern platform that sits at the intersection of data, liquidity, and complex financial workflows.

Belmont, CA7 days ago

Full-time

As a Senior Platform Software Engineer, you will be integral to developing scalable backend services that power 3D positioning and IoT solutions. This role involves leading design and development within AWS, championing best practices, and working within a fast-paced Agile team.

Foster City, CA12 days ago

$169,100–$270,800 Per Year

You will work on innovative solutions that combine deep technical expertise with AI/ML capabilities to enhance developer productivity, improve customer experiences, and drive next-generation commercial payment and money movement technology for B2B, B2C, P2P, and G2C flows. Visa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay and be paid.

New!

San Francisco, CA2 days ago

We prioritize ownership, data-driven decisions, and cross-team partnerships with audio ML, backend, and mobile groups to deliver polished, user-centric solutions. These include the duties and responsibilities listed above, as well as the abilities to adhere to company policies, exercise sound judgment, effectively manage stress and work safely and respectfully with others, exhibit trustworthiness and professionalism, and safeguard business operations and the Company’s reputation.

New!

San Francisco, California6 days ago

$75–$85 Per Hour
Contractor

Review and analyze complex multi-faceted, larger scale or longer-term Software Engineering challenges that require in-depth evaluation of multiple factors including intangibles or unprecedented factors. The specific compensation for this position will be determined by a number of factors, including the scope, complexity and location of the role as well as the cost of labor in the market; the skills, education, training, credentials and experience of the candidate; and other conditions of employment.

San Francisco, CA15 days ago

$320,000–$485,000 Per Year
Full-time
Employee

Identify and dive deep on the gaps that make inference behave differently across first-party and CSPs — config drift, observability, deployment patterns, hard cross-platform bugs — and fix them at the source rather than building platform-specific workarounds. This is high-leverage infrastructure work: validation has to be fast and cheap enough to run on the same accelerators that serve customers, trustworthy enough to replace manual checks, and consistent enough that a change working on Anthropic first-party means it works everywhere.

Palo Alto, CA30+ days ago

$232,750–$325,000 Per Year

As a Senior Principal Software Engineer at JPMorganChase within the (insert LOB or sub LOB), you provide deep engineering expertise and work across agile teams to enhance, build, and deliver trusted market-leading technology products in a secure, stable, and scalable way. Leverage your deep expertise to consistently challenge the status quo, innovate for business impact, lead the strategic development behind new and existing products and technology portfolios, and remain at the forefront of industry trends, best practices, and technological advances.

San Mateo, CA30+ days ago

$278,530–$345,040 Per Year

EaaS abstracts the complexity of distributed databases and caching systems behind a consistent and productive developer experience, enabling teams across Roblox to safely build and operate stateful systems at massive scale without requiring deep database expertise. The Data Access team within Infra / Storage builds EaaS (Entities-as-a-Service), Roblox’s large-scale managed OLTP access and management platform powering tens of millions of QPS across thousands of services.

Mountain View, CA30+ days ago

$209,090–$303,335 Per Year

As a multiplier, this position builds technical communities, mentors other engineers, shapes multi-year roadmaps, and represents CARIAD in external technical forums and strategic partner engagements to accelerate innovation and platform maturity. The Technical Lead Sr Principal Software Engineer, BSW is a senior technical leader and enterprise-wide authority for base software on high-performance automotive computing platforms across CARIAD and the Volkswagen Group.

New!

San Mateo, CA6 days ago

$293,800–$343,340 Per Year

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. The ideal candidate is someone with extensive experience in backend distributed systems, capable of working independently, advising on multiple projects in parallel and defining technical direction for the team.

San Jose, CA30+ days ago

$155,800–$224,200

Our cutting-edge solutions enable unparalleled “time-to-power” capabilities, reliability, and sustainability, ensuring our customers remain ahead in a world where soaring energy demand and intensifying energy scarcity are rapidly becoming the new norm. For over two decades, we’ve been at the forefront of the global energy transition, pioneering solutions that empower critical industries to thrive in a rapidly digitizing, energy-intensive world.

San Jose, CA30+ days ago

$155,800–$224,200

Palo Alto, CA30+ days ago

Full-time

As a Principal Software Engineer at JPMorganChase within the Consumer and Community Banking, Core Engineering Solutions, you provide expertise and engineering excellence as an integral part of an agile team to enhance, build frameworks, and deliver trusted market-leading technology products in a secure, stable, and scalable way. Proven track record of technical thought leadership, including identifying and addressing technical and process gaps, and elevating team capabilities using excellent analytical, problem-solving, and decision-making skills.

San Mateo, CA30+ days ago

$293,800–$343,340 Per Year

Our team sits at the core of all advertising systems at Roblox, serving billions of ads to millions of daily users, while powering high-scale, high-throughput data systems that shape ads personalization, ranking, and measurement. Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators.

San Mateo, CA30+ days ago

$295,250–$345,040 Per Year

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone.

San Mateo, CA30+ days ago

$293,800–$343,340 Per Year

Full-Stack & Distributed Systems Mastery: Proven ability to design and scale high-availability backend systems using technologies like Go or C# and data processing tools (Spark, Flink), combined with a strong grasp of modern frontend architectures (React, TypeScript) to build responsive, data-heavy user interfaces. Enable Creator Success: Architect the systems facilitating seamless onboarding and management of monetization integrations (Rewarded Ads, Commerce, Immersive Ads), provide comprehensive reporting dashboards for payouts and insight metrics, and build solutions allowing creators to promote their games using ads.

New!

Santa Clara, CA6 days ago

Halo’s laser-based technology eliminates this waste from the silicon carbide (SiC) substrate manufacturing process, delivering improvements in both material cost and performance, while enabling accelerated growth for a diverse set of high-growth application markets, including the electric vehicle, grid infrastructure, industrial HVAC and other high-voltage power electronics sectors. Collaborate cross-functionally with mechanical, electrical, and systems engineering teams to drive end-to-end system integration, influencing design decisions and resolving complex technical challenges.

San Francisco, CA30+ days ago

$122,535–$208,715 Per Year

The Principal Software Engineer designs, develops, updates/maintains solutions and provides technical guidance to other team members across T&I.At this level the main challenge is to identify causes and implement solutions to complex & critical business problems in a multifunctional project, assessing and communicating issues of technology impact on the business. In addition, you will provide expertise and guidance in the daily activities of individual contributors or working teams to design, code, debug, test, document, implement and maintain complex business and client-facing applications using City National Bank's Secure Software Development Lifecycle.

New!

Redwood City, California1 day ago

The Senior Principal Architect is a highly influential technical leadership role responsible for end-to-end architectural direction, technical governance, and the evolution of software and network platforms within Network Platform Engineering (NPE). Through close collaboration with peer architects, engineering teams, and product leaders, this role shapes platform direction, influences how systems are designed and operated, and ensures Equinix can scale effectively as it evolves.

Palo Alto, CA30+ days ago

Full-time

Contribute to the design and development of AI agents and Model Context Protocol (MCP) integrations using frameworks built on top of Google ADK, Anthropic SDKs, etc. and related tooling to enable intelligent, scalable platform automation. Demonstrated proficiency with AI-assisted coding workflows, including experience with LLM-powered development tools, spec-driven development methodologies, and prompt engineering for software engineering use cases.

San Jose, California10 days ago

Palo Alto, CA30+ days ago

$204,250–$285,000 Per Year

As a Principal Software Engineer (Cloud Platforms) at JPMorgan Chase within the Cloud Platforms division, you will be responsible for providing technical direction and collaborating with an agile team to improve, develop, and deliver tools and platform products in a secure, stable, and scalable manner. Our history spans over 200 years and today we are a leader in investment banking, consumer and small business banking, commercial banking, financial transaction processing and asset management.

New!

San Mateo, CA3 days ago

$295,250–$345,040 Per Year

As a Principal Software Engineer, Audio-Video-Communication team, you'll be in charge of building our upcoming platform to bring multi-modal communication experience - voice chat, 3D audio, and large-scale broadcast, to our users. Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators.

Santa Clara, California30+ days ago

Design and deliver reference architectures for LLM training and inference on AMD GPUs, from single‑node to multi‑datacenter deployments using Kubernetes and SLURM. You bring hands‑on experience with Kubernetes‑native distributed training, including scheduling, topology‑aware GPU placement, and operating resilient, high‑performance AI workloads at scale.

San Jose, California30+ days ago

Santa Clara, CA30+ days ago

$135,000–$155,000 Per Year

Most recently, we were recognized Stevie Employer of the Year 2025, SIA Best Staffing Firm to work for 2025, Inc 5000 Best Workspaces in US (2025 & 2024) and Glassdoor's Best Places to Work (2023 & 2022)! This influential role demands the architecture and refinement of tools, processes, and systems vital for our engineering workforce, with a strategic focus on implementing AI-powered tools to significantly advance our development processes.

Mountain View, CA30+ days ago

$194,670–$282,735 Per Year

Hands-On Technical Expertise: Make significant coding contributions to develop and optimize Bluetooth/BLE/Wi-Fi sub-systems and components, utilizing deep knowledge of embedded platforms to enhance functionality and performance. Collaborating closely with various stakeholders within the VW Group's technical teams, this role will be instrumental in shaping the future of automotive connectivity, ensuring seamless integration and unparalleled user experiences across our vehicle portfolio.

San Mateo, CA30+ days ago

$345,040–$399,420 Per Year

We run the mission critical cloud services, Data Stores, Memory Stores, and Badges, which are crucial for storing game state such as inventory and scores, implementing leaderboards, server lists, and trading, and tracking player progress and achievements. Finally, our team owns the Roblox Extended Services platform, which provides the capability for large experiences to purchase additional resources for existing services like Data Stores and new services built around compute and generative AI.

Sunnyvale, CA30+ days ago

Full-time

We create intelligent spaces and digital workspaces, delivering campus, branch, mobility, and IoT solutions that combine compute, context, control, analytics, automation, and secure connectivity to help global customers modernize their networks. Please note that Hewlett Packard Enterprise (HPE), its direct and indirect subsidiaries and affiliated companies, and its authorized recruitment agencies/vendors will never charge any candidate a registration fee, hiring fee, or any other fee in connection with its recruitment and hiring process.

San Mateo, CA30+ days ago

$295,250–$345,040 Per Year

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. Work closely with other teams in Compute and across the company to develop new features, support for new workloads, and define the right cross-system APIs as we expand the footprint of ‘cells’.

San Mateo, CA30+ days ago

$295,250–$345,040 Per Year

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone.

San Mateo, CA30+ days ago

$295,250–$345,040 Per Year

This team owns provisioning, and MAPI, the global Machine API that turns raw capacity into production-ready infrastructure in minutes, across hundreds of thousands of machines on-prem and cloud environments, including new GPU and new AI infrastructure. You will shape the technical direction for this critical compute platform and unify diverse hardware and environment-specific workflows behind MAPI and drive large-scale maintenance operations like firmware updates and hardware tuning.

San Mateo, CA30+ days ago

$295,250–$354,040 Per Year

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone.

San Mateo, CA30+ days ago

$295,250–$345,040 Per Year

As a Principal Software Engineer on the Connections team, your work will power the Roblox ecosystem, helping people recognize and connect with friends & interests on Roblox, express themselves, and discover & engage with the best of Roblox through their connections. Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators.

San Mateo, CA30+ days ago

$295,250–$345,040 Per Year

Apple, Microsoft, Google, Sony, etc.) to extract intricate details regarding hangs, crashes, and session health that enables all teams to safely ship changes to Roblox clients on all our supported platforms. Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators.

San Mateo, CA25 days ago

$295,250–$345,040 Per Year

Aligned and partnering with product teams, we use this toolbelt to discover new opportunities, influence and shape the product roadmap and prioritization, build safety products, and measure the impact on our community of users and developers. Operate as a high-agency problem solver: whether the solution requires deep-diving into backend services, scaling ML pipelines, or diving into data, you do what’s needed to ship impactful safety products.

San Mateo, CA20 days ago

$295,250–$345,040 Per Year

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone.

San Mateo, CA18 days ago

$345,040–$399,420 Per Year

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone.

San Mateo, CA27 days ago

$293,800–$343,340 Per Year

Evolve our video ingest, transcoding, processing, and streaming platform to serve the growing community of creators, working on our backend microservices platform, data pipelines, and the game engine. Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators.

Sunnyvale, CA30+ days ago

Large and high-growth organizations in markets as varied as financial services, logistics, gaming, e-commerce and software as a service have successfully deployed and expanded their TiDB footprint on mission-critical applications. The massive database market is going to double over the next few years and TiDB is a global player positioned as a major disruptor with TiDB Database and Database as a Service offering.

San Mateo, CA30+ days ago

$295,250–$345,040 Per Year

As a Principal Engineer on Content Lifecycle, you will be leading the architecture and design of workflows on Roblox Studio and our platform enabling Creators and AI agents to collaborate at scale by creating, sharing, and managing reusable content. Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators.

San Mateo, CA30+ days ago

$295,250–$345,040 Per Year

As a Principal Engineer focused on Collaboration, you will be leading the architecture and design of workflows on Roblox Studio and our platform enabling creators and AI agents to collaborate at scale by creating, sharing, and managing content. Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators.

San Mateo, CA30+ days ago

$293,800–$343,340 Per Year

Roblox’s database team develops the next-generation, multi-tenant database platform that elastically scales and underpins every online data workload at Roblox. Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators.

San Mateo, CA26 days ago

$295,250–$345,040 Per Year

Bonus] Advanced Cache Internals: Experience extending cache functionality (e.g., writing custom Redis modules in C/Rust, complex Lua scripting) or deep-tuning underlying memory allocators like jemalloc. Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators.

San Jose, CA30+ days ago

If you are keen to work with a bunch of brilliant people with various backgrounds, if you share the same value of working smart and celebrating successes, if you have enthusiasm for big technology in a small company, if your goals are to learn and experience different aspects of work--not just singing the same song every day, you'll find your playground at Innophase IoT. We bring together the best in technology, drive innovation to create the best ULP wireless IoT solutions and user experiences in home, building and industrial automation and wearables.

San Francisco, CA30+ days ago

We are looking for an experienced software engineer to help us build a new generation of transpilation tools enabled by AI and modern verification techniques — bridging the gap between algorithm development and deployment to embedded systems. Our platform accelerates deployment of DSP, RF, communications, and embedded signal processing algorithms onto heterogeneous compute targets, including GPUs, FPGAs, ASICs, and edge SoCs.

Foster City, CA30+ days ago

AI-Driven Engineering – Work on cutting-edge AI agents, train LLMs, and develop predictive analytics that personalize patient care, optimize treatment plans, and engage users more effectively. As a Principal Software Engineer, you'll work directly with our CTO to lead the technical evolution of our AI-first platform, optimize existing infrastructure, and pioneer new systems to support our growing user base.

San Mateo, CA30+ days ago

$293,800–$343,340 Per Year

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone.

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Principal Software Engineer Jobs in Sunnyvale, CA

Sr Software Engineer Visa Technology and Operations LLC

Sr. AI Software Engineer (C#/.Net, infrastructure & startup exp. req'd) - 100% REMOTE Jobot

Principal Product Designer Jobot

Senior Platform Software Engineer- Belmont,CA GPS company

Software Engineer - Sr Consultant level Visa Technology and Operations LLC

Sr. Software Development Engineer - Android, Bee Amazon.com LLC

Python Developer Pinnacle Technical Resources

Staff + Sr. Software Engineer, Cloud Inference Launch Engineering Anthropic PBC

Sr Principal Software Engineer JPMorgan Chase

Senior/Principal Software Engineer - Data Access Roblox

Sr Principal Software Engineer Cariad, Inc.

Principal Software Engineer - Roblox Economy Platform Roblox

Principal Software Engineer, Edge Compute BloomEnergy

Principal Software Engineer, Middleware & Data BloomEnergy

Principal Software Engineer JPMorgan Chase Bank, N.A.

Principal Software Engineer, Ads Platform Roblox

Principal Software Engineer, Sharing Roblox

Principal Software Engineer, Ads Experience Roblox

Principal Software Engineer Halo Industries, Inc.

Software Principal Engineer City National Bank

Senior Principal Engineer, Product Software Equinix

Principal Software Engineer, Cloud Platform JPMorgan Chase Bank, N.A.

Principal Software Quality Engineer – GPU & Machine Learning Advanced Micro Devices, Inc

Principal Software Engineer - Cloud Platform JPMorgan Chase

Principal Software Engineer, WebRTC Roblox

Principal Software Engineer Advanced Micro Devices, Inc

Principal Software Engineer – PyTorch Training Frameworks Advanced Micro Devices, Inc

Principal Engineer Software: 26-00518 Akraya Inc.

Principal Software Engineer Bluetooth Cariad, Inc.

Principal Software Engineer - Creator Distributed Systems & Storage Roblox

Principal Software Engineer - Embedded (RIS) Hewlett Packard Enterprise Company

Principal Software Engineer, Cluster Lifecycle Roblox

Principal Software Engineer Roblox

Principal Software Engineer, Compute Provisioning Roblox

Principal Software Engineer - Economy ML (Data Systems) Roblox

Principal Software Engineer, Connections Roblox

Principal Software Engineer, Crash Reporting Roblox

Principal Software Engineer - Asset Safety Roblox

Principal Software Engineer, Connections (Backend) Roblox

Principal Software Engineer - Content Platform Roblox

Principal Software Engineer - Video Roblox

Principal Software Engineer - Optimizer TiDB

Principal Software Engineer - Content Lifecycle Roblox

Principal Software Engineer - Creator Collaboration Roblox

Principal Software Engineer - Roblox Database Roblox

Principal Software Engineer - Storage Cache Roblox

Principal Engineer, Embedded Software (San Jose) InnoPhase IoT

Senior / Principal Software Engineer (Compiler & AI Tooling) Code Metal

Principal Software Engineer Joyous

Principal Software Engineer - Game Engine Systems Roblox

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