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366 security software engineer jobs at 208 companies in Fairfield, CA

PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
Help us #BeatIndeed & #BeatLinkedIn
1mo
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Senior Security Software Engineer
San Francisco or New York City
$194k-$239k/yr HybridFull Time
Hover
Hover: Creates 3D property models and measurements from smartphone photos.
5+ YOE5+ years software engineering, 3+ years security engineering, proficiency in Ruby/TypeScript/Python/C++, experience building scalable security systems, threat modeling, SDLC security, and mentoring engineers.
Ruby, TypeScript, Python, C++, Docker, GCP, Terraform, Kubernetes, SAST, MLOps, CI/CD
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3mo
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Software Engineer, Security Observability
San Francisco or Seattle or New York City
$325k-$405k/yr RemoteFull Time
OpenAI
OpenAI: Develops artificial intelligence models and generative AI software services.
Strong software engineering experience; Python or Go; IaC (Terraform); data pipelines for security; collaborate with security and engineering teams; proactive problem solving.
Python, Golang, Terraform, Azure
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3mo
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Security Software Engineer II, Corporate Security
San Francisco or United States
$156k-$320k/yr HybridFull Time
Pinterest
PinterestNYSE: PINS: Visual discovery engine for finding inspiration and creative ideas.
5+ YOEBachelor's in CS/Cybersecurity or equivalent; 5+ years in security software or corporate security; experience with OS internals, IT collaboration, fleet management, cloud security, AI-assisted workflows, and secure engineering practices.
Puppet, Chef, Terraform, CI/CD, Linux, Unix, macOS, Windows
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2mo
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Senior Security Software Engineer, Infrastructure Security
San Mateo, California, United States
$269k-$326k/yr HybridFull Time
Roblox
RobloxNYSE: RBLX: Platform for creating and playing user-generated 3D digital experiences.
5+ YOE5+ years in security software, automation, IaC, container security, cloud security policy; strong Linux/Kubernetes; PKI, encryption, Secrets Management; collaborate across teams.
Linux, Kubernetes, Chef, Nomad, ECS, PKI, Secrets Management
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2mo
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Senior Software Engineer, Security
Seattle or San Francisco
$165k-$230k/yr OnsiteFull Time
NexHealth
NexHealth: Connects patient experience software with electronic health records.
5+ YOE5+ years software engineering; 1–3+ years in application or product security; backend experience (Python/Go/Java); OAuth/JWT/RBAC; cloud (AWS/GCP); SAST/DAST; HIPAA/SOC 2 knowledge; bachelor’s in CS/Engineering or equivalent.
OAuth 2.0, JWT, RBAC, SAST, DAST, cloud (AWS, Google Cloud), security tooling, CI/CD
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3mo
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Security Engineer
San Francisco, California, United States
$200k-$330k/yr OnsiteFull Time
Decagon: Conversational AI platform for automated customer support.
3+ YOE3+ years in security engineering; strong software engineering; cloud security (Google Cloud); familiarity with SOC 2, ISO 27001, GDPR; production code skills; security automation/tools; AI/ML security familiarity.
Google Cloud, CI/CD, security tooling, Terrafrom (infrastructure as code), semgrep, CodeQL
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2mo
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Senior Software Engineer - Security
San Mateo, California, United States
$190k-$250k/yr HybridFull Time
Skydio
Skydio: Develops autonomous AI drones for defense and industrial inspection.
5+ YOE5+ years in cloud/security engineering, AWS multi-tenant experience, Python or Go, security tooling, RFC/design review, and on-call rotation.
AWS, Python, Go, RFC review, SIEM, vulnerability management, SCIM, SSO
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3w
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Senior Software Security Engineer
Oakland, California, United States
$215k-$272k/yr OnsiteFull Time
Everlaw
Everlaw: Provides a cloud-based litigation platform for legal teams.
4+ YOE4+ years security experience, programming skills in a scripting language (e.g., Python), experience with security processes, authorized to work in the U.S. without sponsorship.
Python, Java, AWS, IAM, AWS Security Hub, Amazon GuardDuty, AWS Config, Service Control Policies, AWS Firewall Manager, Terraform, Ansible, git, Linux, Covey
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1w
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Software Engineer, Security
San Francisco, California, United States
$180k-$250k/yr OnsiteFull Time
Pylon
Pylon: AI-native customer support platform for B2B companies.
3+ YOE3+ years building production software with security focus; strong application security knowledge, vulnerability triage/incident response experience, AI-assisted development familiarity, startup experience, willing to work in San Francisco.
React, Golang, GraphQL, AWS
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1mo
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Software Engineer, Security
San Francisco, California, United States
$290k-$350k/yr HybridFull Time
Notion
Notion: Provides a unified workspace for notes, documents, and project management.
10+ YOE10+ years security engineering experience shipping identity/authentication, authorization, and AI/LLM security protections; strong cross-team coordination, RFC writing, and system-design skills.
SAML, OIDC, OAuth, SpiceDB, Macaroons, CSP, passkeys, AI/LLM
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2mo
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Software Engineer, Security
San Francisco, California, United States
$130k-$220k/yr HybridFull Time
Persona
Persona: Provides identity verification and fraud prevention software for businesses.
3+ YOE3+ years software engineering; built and shipped systems at scale; end-to-end ownership; clear communicator across teams
Ruby on Rails, OAuth, SAML, OIDC, PII security, AI/ML security
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3w
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Security Software Engineer, IAM
United States or San Francisco or New York City
$208k-$312k/yr RemoteFull Time
Vercel
Vercel: Frontend cloud platform for building and hosting web applications.
7+ YOE7+ years in identity/access management or platform security; deep Okta and Terraform expertise; AWS/GCP IAM experience; MDM/MAM experience (Jamf/Intune); strong collaboration and autonomy.
Okta, Terraform, AWS, GCP, Jamf, Intune, SCIM, SAML, OIDC, Google Workspace, Azure AD, Next.js, AI SDK
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1mo
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Software Engineer, Security
San Francisco, California, United States
OnsiteFull Time
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.
Python, Django, Pydantic AI, Postgres, Redis, TypeScript, React, Tailwind, Google Cloud Platform, Vercel, Linear, Slack, Notion
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6h
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Staff Software Engineer - Security
San Francisco, California, United States
$240k-$300k/yr OnsiteFull Time
Flow Engineering
Flow Engineering: Collaboration software for engineering complex hardware systems.
8+ YOE8+ years building production software with deep application and cloud security, threat modeling, incident response, SOC 2 experience, and securing AI/LLM systems.
TypeScript, Node.js, Python, Postgres, AWS, GCP, Azure, CI/CD, LLM
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1mo
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Software Engineer - Security/Infrastructure
San Francisco, California, United States
$200k-$350k/yr OnsiteFull Time
AfterQuery
AfterQuery: Curating specialized datasets and environments to train frontier AI models.
2+ YOE4-7 years building software or security systems; strong Python/Go/TypeScript; experience with cloud environments (IAM, networking, containers); able to ship secure, scalable infrastructure.
Python, Go, TypeScript, Cloud, IAM, Networking, Containers
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1mo
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Senior Software Engineer, Security Engineering
Houston or San Francisco
OnsiteFull Time
Bot Auto
Bot Auto: Operates a fleet of autonomous trucks for freight transportation.
5+ YOE5+ years in software engineering with a strong focus on security; proficient in Python/Go/Rust/JavaScript-Typescript; strong cryptography and cloud/distributed systems security.
Python, Go, Rust, C/C++, JavaScript/TypeScript, Kubernetes, AWS, Terraform, Pulumi, SAST, DAST, SIEM, IAM, HashiCorp Vault, OTA, SSL/TLS, cryptography
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2w
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Security Software Engineer
Utah or New York or California or Texas or Colorado or New York City or San Francisco or Connecticut or Illinois or District of Columbia or Maryland or Massachusetts or New Jersey or Washington or Virginia or Alaska
$102k-$214k/yr RemoteFull Time
Proofpoint: Provides cybersecurity solutions for email, cloud, and data protection.
Build and maintain tooling and environments for threat research; experience with network inspection, virtualization, scripting (Lua/Python), regex/PCRE, web apps, APIs, databases, containers.
Wireshark, tcpdump, Moloch, VMware, VirtualBox, KVM, Lua, Python, PCRE, React, PostgreSQL, ES, MongoDB, Docker, Kubernetes
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1mo
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Principal Software Engineer, Platform Security
San Francisco, California, United States
$197k-$314k/yr HybridFull Time
Salesforce
SalesforceNYSE: CRM: Sells cloud-based customer relationship management and business software solutions.
10+ YOE10+ years in software development; strong in databases, APIs, data pipelines; experience with large projects and security infrastructure.
API development, REST APIs, SDLC, AWS, GCP, Azure, Python, Ruby, Unix/Linux, Security infrastructure
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4d
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Senior Software Engineer, Infrastructure Security
San Francisco, California, United States
$202k-$230k/yr HybridFull Time
Asana
AsanaNYSE: ASAN: Software platform for team project management and workflow automation.
4+ YOE4+ years software development; experience building platforms or libraries; security engineering focus; cloud (AWS) experience; strong CS fundamentals and communication skills.
AWS
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1w
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Senior Software Engineer - Product Security
New York or Seattle or San Francisco
$204k-$281k/yr HybridFull Time
Plaid
Plaid: Provides financial data connectivity and payment infrastructure via APIs.
5+ YOE5+ years building and scaling production services; experience with vulnerability management, distributed systems, cloud infrastructure security; strong engineering and communication skills.
AWS, Kubernetes, Terraform
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