Mountlake Terrace • 50 milesRemote · Hybrid · Onsite · Field · All Environments
Mountlake Terrace • 50 milesRemote · Hybrid · Onsite · Field · All Environments
Mountlake Terrace • 50 milesRemote · Hybrid · Onsite · Field · All Environments
Mountlake Terrace • 50 milesRemote · Hybrid · Onsite · Field · All Environments
76 application security engineer jobs at 44 companies in Mountlake Terrace, WA
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Sr. Application Security Engineer
Redmond, Washington, United States
$170k-$235k/yr OnsiteFull Time
5+ YOE5+ years security software development experience (or 7+ years without degree), experience with application security for web/mobile, proficiency in Python/C++/Golang/C#, strong communication and networking knowledge.
Python, C++, Golang, C#
2mo
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Senior Security Engineer, Product & Application Security
Seattle, Washington, United States
$165k-$215k/yr OnsiteFull Time
Experience in application and product security, DevSecOps/secure SDLC, cloud-native system security, CI/CD security tooling, strong scripting/software engineering skills, and ability to partner with engineering teams.
DevSecOps, CI/CD, APIs, AI/CV
2mo
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Senior Application Security Engineer
United States or Canada or San Francisco or New York City or Seattle
$190k-$273k/yr RemoteFull Time
5+ YOE5+ years software engineering or application security experience; strong coding skills (Ruby, Python), Linux and GCP familiarity, deep AppSec/vulnerability management, pen-testing and SAST experience, AI security, and strong communication.
Ruby, Python, Linux, GCP, SAST
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Staff+ Application Security Engineer - M&A
San Francisco or Seattle or New York City
$320k-$485k/yr HybridFull Time
Hands-on application and infrastructure security experience, production-quality coding in Python/Go/Rust/TypeScript, threat-modeling, vulnerability ID, clear communication, and ability to assess unfamiliar codebases under time pressure.
Python, Go, Rust, TypeScript, Claude, SAST, DAST, LLMs, bug bounty
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Senior Application Security Engineer
Seattle or Los Angeles or San Francisco or California or Colorado or Connecticut or Delaware or Hawaii or Illinois or Maine or Maryland or Massachusetts or Minnesota or Nevada or New Jersey or New York or Rhode Island or Virginia or Washington or Washington DC or United States
$141k-$259k/yr OnsiteFull Time
4+ YOE4+ years in application security or related field; experience shipping security tooling and automation; expert threat modeling, security design review, and manual code review; fluent reading/writing code in Java, Kotlin, C#, or Python; cloud-native and LLM/AI security knowledge.
Java, Kotlin, C#, Python, SAST, SCA, DAST, secrets scanning, GitHub Advanced Security, JFrog Artifactory, AWS, GCP, Azure, Kubernetes, LLM
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Sr Application Security Engineer
Bellevue or Ventura
$114k-$208k/yr OnsiteFull Time
6+ YOE6+ years application security experience, software development skills (C#, Java, Python, Go, JavaScript), SAST/DAST/SCA and CI/CD integration, Kubernetes and cloud security, threat modeling, vulnerability management, and AI/ML security experience.
C#, Java, JavaScript, Python, Go, SAST, DAST, SCA, secrets management, GitHub Actions, GitLab, Jenkins, ArgoCD, STRIDE, PASTA, Kubernetes, Docker, Helm, Istio, AWS, GCP, Azure, LLM
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Application Security Engineer, AWS Proactive Security
Seattle or Herndon
$159k-$202k/yr OnsiteFull Time
3+ YOERequires 3+ years programming, 2+ years security code review and systems troubleshooting, STEM bachelor's degree or 2+ years IT security experience, networking knowledge, and vulnerability remediation expertise.
Python, Ruby, Go, Swift, Java, .Net, C++, HTTP, DNS, TCP/IP, HTTP(S), AWS
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Lead Architect – Application Security
San Jose or Seattle
$298k-$446k/yr HybridFull Time
20+ YOE20+ years in software/security architecture with 10+ years in application-layer security (WAAP, DDoS, API security, bot protection); deep protocol, TLS, identity, zero-trust, and cloud-native expertise.
HTTP/2, HTTP/3, WebSockets, gRPC, TLS, OAuth2, OIDC, SAML, Kubernetes, Istio, Envoy, MITRE ATT&CK, OWASP Top 10
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Senior Security Engineer (Product)
New York City or San Francisco or Seattle
$223k-$279k/yr HybridFull Time
5+ YOE5+ years security or software engineering experience, strong application and product security skills, experience with cloud and modern stacks, security reviews, incident response, and AI-native tooling.
Lacework, Python 3, TypeScript, FastAPI, SQLAlchemy, React, Postgres, Redis, AWS, Spark, Kafka, Datadog, PagerDuty, Github, Snyk, Semgrep
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Senior/Staff Engineer, Application & Product Security
Seattle or New York City or Waterloo or San Francisco
$182k-$288k/yr HybridFull Time
6+ YOERequires 6+ years in application or product security, strong coding ability, microservices experience, codebase expertise, risk-based prioritization, penetration testing, threat modeling, and cross-functional collaboration.
CI, SDLC, SAST, DAST, SBOM, BrightHire
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Senior Security Engineer
Seattle or San Francisco or United States
$145k-$200k/yr HybridFull Time
5+ YOE5+ years in security/infrastructure/application security; hands-on with AWS or GCP; proficiency in Python/Go/Java; experience with SAST/DAST and SIEM; knowledge of secure system design, incident response, and AI/LLM security risks.
GCP, AWS, Python, Go, Java, SAST, DAST, SIEM, CI/CD, AI-powered scanning tools
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Senior Product Security Engineer
San Francisco or New York City or Seattle or Austin
$151k-$280k/yr OnsiteFull Time
5+ YOE5+ years product security experience, deep web application security, fluency in Python, React, Django Rest Framework, experience with code review, CI/CD application security, and mentoring engineering teams.
Python, React, Django Rest Framework, CI/CD, SSO, OAUTH, SAML, AWS
1w
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Confluent - Staff Security Engineer
Poughkeepsie or Lowell or Rochester or Tucson or Research Triangle Park or Armonk or Boston or Bellevue or Atlanta or San Jose or Dallas or Austin or San Francisco or Seattle
$161k-$299k/yr RemoteFull Time
10+ YOERequires a bachelor's degree and 10+ years of application security experience, with expertise in secure architecture, cloud-native platforms, security automation, CI/CD, and Go, Python, or Java.
Go, Python, Java, CI/CD, AI, LLMs
1d
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Field Application Engineer
Seattle or SeaTac
$90k-$110k/yr FieldFull Time
4+ YOEBachelor's degree or equivalent experience, 4+ years in customer-facing pre-sales, preferably network video or physical security. Requires system design, testing, proof-of-concept, and technical communication skills.
1mo
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Security Engineer, Level 4
Los Angeles or Palo Alto or Bellevue or Santa Monica
$133k-$235k/yr OnsiteFull Time
2+ YOEBachelor’s degree or equivalent, 2+ years security-related experience, expertise in infrastructure/application/cloud security domains, programming (Python/Go/Java), experience with vulnerability scanners, SIEM, EDR, and strong communication and problem-solving skills.
AI tools, vulnerability scanners, SIEM, EDR, cloud security frameworks, Python, Go, Java
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Security Engineer (4)
Seattle, Washington, United States
$179k-$235k/yr HybridFull Time
3+ YOERequires an MS and 3 years or a BS and 5 years in security engineering, application security expertise, and software engineering experience in C++, Golang, or Java.
C++, Golang, Java, SAST, DAST
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Staff Application Security Architect
Seattle or Detroit
$149k-$318k/yr OnsiteFull Time
5+ YOE10+ years in information security or 5+ with relevant degree; experience in threat modeling, secure coding, AppSec tooling, cloud/container security, and mentoring engineers.
STRIDE, DREAD, PASTA, Java, .NET, Python, PowerShell, Bash, SAST, DAST, SCA, Secret Scanning, OAuth 2.0, OIDC, SAML, Docker, Kubernetes, OWASP Top 10, ASVS, MITRE ATT&CK, CI/CD
3w
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Product Security Engineer, Server
New York City or Seattle or United States
$106k-$209k/yr HybridFull Time
3+ YOE3+ years in application/software/product security, strong C++ experience, scripting ability, threat modeling and security assessment experience, strong communication and ownership.
C++, MongoDB, AWS, Google Cloud, Microsoft Azure
3d
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Principal Security Engineer
Bellevue or United States
$205k-$258k/yr HybridFull Time
10+ YOE10+ years in application security, with threat modeling, AI security, architecture review, manual code review, AppSec tooling, mentoring, modern programming languages, and U.S. work authorization.
STRIDE, OWASP LLM Top 10, SAST, SCA, IaC, CI/CD, Python, Java, TypeScript, JavaScript, Go, GitLab CI/CD, MCP
3mo
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Senior Application Engineer
Seattle or Madison or Princeton or Cambridge Crossing
$138k-$183k/yr OnsiteFull Time
5+ YOE5+ years in software/cloud engineering; AWS-native; Python/FastAPI; TypeScript/Node; CI/CD; experience with LLM/agentic AI; MCP/FastMCP; security, IAM, VPC; knowledge of data stores.
Python, FastAPI, TypeScript/Node, AWS, Terraform, AWS CDK, CloudFormation, LangGraph, LangChain, PydanticAI, OpenAI, Anthropic, Gemini, AWS Bedrock
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