285 custom software engineer jobs at 184 companies in Petaluma, CA
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Custom Software Engineer 6321038
Walnut Creek or Mountain View or San Francisco
$28-$38/hrOnsiteFull Time
AccentureNYSE: ACN: Global provider of management consulting and technology services.
1+ YOEMinimum 1 year experience, including 1 year Python development; HS diploma/GED required; Python 2.x experience and bachelor's degree in CS preferred.
Columbus or Austin or San Francisco or New York City or United States or Canada
$167k-$231k/yrRemoteFull Time
UpstartNasdaq: UPST: AI-powered lending marketplace for consumer and automotive loans.
4+ YOE4+ years software engineering experience; experience designing, building, testing, and deploying production software; experience with customer-facing product features and cross-functional collaboration; bachelor's degree in CS/Engineering/Math or equivalent experience.
Petra Security: AI-powered identity threat detection for Microsoft 365 environments.
Frontend engineering experience building production React/TypeScript UIs; familiarity with Node and Python; strong product design sensibility, prototyping skills, and experience shipping customer-facing software.
Eli Lilly and CompanyNYSE: LLY: Global pharmaceutical developing medicines for medical conditions.
5+ YOEBachelor's in CS/Engineering,5+ years software engineering,full‑stack and API experience,cloud and AI/LLM integration experience,ability to mentor engineers and ship customer-facing SaaS features;must be authorized to work in the US.
Mercor: Connecting expert human intelligence with frontier AI model development.
Strong software engineering in Python/Go/Rust; cloud deployments (AWS/GCP/Azure); ability to work with customers; autonomous in high-stakes environments.
Unify: AI-powered platform for automating B2B sales outbound workflows.
8+ YOE8+ years software engineering experience, track record shipping at scale, infrastructure and mentorship experience, customer-focused, familiar with modern AI and backend stacks.
Los Angeles or New York City or San Francisco or Seattle or United Kingdom or Ireland or Poland or Germany or Australia
$170k-$230k/yrHybridFull Time
Whatnot: Social marketplace for buying and selling via live streams
3+ YOE3+ years of software engineering experience; bachelor's degree in computer science or equivalent experience; customer-facing technical communication; APIs, distributed systems, data synchronization, automation, and integration development.
Astreya: Provides managed IT services and digital workplace solutions for enterprises.
5+ YOEBachelor's degree or equivalent, 5–8 years of related experience, software development experience, root cause analysis, monitoring systems, customer support, English communication, and remote collaboration skills.
Sift: Software platform for high-frequency hardware telemetry observability.
3+ YOE3+ years professional software engineering experience; frontend expertise with high-performance web apps; experience with React/NextJS/TypeScript; strong product ownership and customer-facing skills.
NexHealth: Connects patient experience software with electronic health records.
5+ YOERequires 5+ years of software engineering experience focused on customer-facing products, sustained contribution, product-level thinking, technical expertise, leadership, and strong written and verbal communication.
Sierra: Conversational AI platform for building enterprise customer agents
8+ YOE8+ years software engineering experience with production healthcare integrations, strong knowledge of FHIR/HL7/OAuth and major EHRs, experience working with customers and building reusable platform capabilities.
Thumbtack: Online marketplace connecting homeowners with local service professionals.
5+ YOE5+ years software engineering experience, fluent in at least one major language; experience with Go, Python, Php, relational databases (Postgres/MySQL), AI coding-agents, and production platform support.
Go, Python, Php, Swift, Kotlin, Java, Postgres, MySQL
Lassie: AI-powered automation platform for healthcare practice administration and billing.
Design and build security controls, audit logs, data protection, monitoring, and incident readiness; threat-model new workflows and partner with engineering to protect customer data.
Lindy: AI-powered platform for building and managing autonomous virtual assistants.
Deep full-stack engineering experience, customer-facing feature delivery in high-growth environments, autonomous execution, clean code, strong communication, and production troubleshooting skills.
Toronto or San Francisco or New York City or London or Paris or Montreal or Canada or United States or Europe
RemoteFull Time
Cohere: Provides enterprise-grade large language models and AI software platforms.
Experienced full‑stack product engineer who has built, shipped, and operated production software; strong product judgment, problem solving, and proficiency working with AI-enabled systems; customer-facing finance domain experience is a plus.
Carlsbad or Germantown or San Jose or San Francisco or New York City
$165k-$261k/yrOnsiteFull Time
ViasatNASDAQ: VSAT: Provides global satellite broadband and secure networking communication services.
8+ YOE8+ years software engineering experience with SDLC governance, SRE/DevOps knowledge, observability, incident analysis, and cross-team influence to improve reliability and customer experience.
Wonderschool: Software platform for child care providers and parents.
Senior payments engineer with strong payments and integrations experience, attention to detail, regulatory familiarity, customer-facing experience, and ability to consolidate legacy systems.
Anthropic: Developing safe and reliable artificial intelligence systems.
8+ YOE8+ years software engineering experience, 2+ years at staff level preferred; bachelor’s or equivalent; experience building enterprise AI products, collaborating with research, and working with customers.
Senior Software Engineer - 3D Simulation Applications
Foster City or Seattle
$208k-$300k/yrHybridFull Time
ZooxNASDAQ: AMZN: Developing autonomous robotaxis for urban ride-hailing services.
5+ YOEBachelor’s/Master’s/PhD in CS with 5+ years in software engineering and systems design; Python and/or C++; ML concepts; customer deployment experience; strong communication and cross-team collaboration.
OneTrust: Software platform for data privacy, security, and compliance governance.
12+ YOE12+ years engineering experience with 3+ years customer-facing; strong experience in distributed data systems, cloud platforms, scripting (Python/Java/C#), troubleshooting production incidents, and clear customer communication.