9 appsec engineer jobs at 3 companies in Spring House, PA

1w
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Lead Engineer | Onsite - Delaware
Wilmington or Delaware
$56k-$196k/yr OnsiteFull Time, Contract
Photon: A technology organization developing large-scale web and user-interface platforms.
8+ YOE3+ MgmtRequires 8+ years of front-end engineering and 3+ years as a tech lead, with expert React, Node.js, TypeScript, Webpack, Module Federation, micro-frontends, UI architecture, security, and delivery leadership experience.
React, Node.js, TypeScript, Webpack, Module Federation, Figma, Redux, Context, ARIA, WCAG, OAuth, OIDC, OWASP, Playwright, Sentry, Datadog RUM
4d
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Tech Lead/ Principal Software Engineer
Plymouth Meeting, Pennsylvania, United States
$182k-$200k/yr OnsiteFull Time
Towne Park
Towne Park: Valet parking and hospitality services for hospitals and hotels.
8+ YOE2+ MgmtBachelor's degree in a technical field, 8+ years developing enterprise software, and 2+ years leading engineering teams. Requires Azure, .NET/C#, Angular or React, SQL Server, NoSQL, REST APIs, Agile, and secure development experience.
Microsoft Azure, .NET, C#, Angular, React, SQL Server, REST APIs, Claude Code, GitHub Copilot, Cursor, OWASP, Python, Next.js, LLM, MCP
1mo
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Senior Software Engineer
New York City or Bethlehem or Holmdel
$95k-$156k/yr HybridFull Time
Guardian Life
Guardian Life: Provides life, disability, dental, and vision insurance products.
4+ YOE4+ years building public-facing web applications; advanced JavaScript/TypeScript and modern frameworks; API and microservices experience; strong problem-solving and security awareness.
JavaScript, TypeScript, Node, React, Next, NestJS, Jest, REST, GraphQL, Redis, HTML, CSS, AWS, CI/CD, OWASP
1mo
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Container Security Engineer
Malvern or Charlotte or Plano or Dallas
HybridFull Time
Vanguard
Vanguard: Global investment management and financial services provider.
Undergraduate degree or equivalent experience; hands-on AWS container security experience; Wiz, CI/CD, cloud-native architecture, container lifecycle, runtime security, and security framework knowledge.
Amazon Web Services (AWS), ECS, EKS, Wiz, Azure, AKS, GCP, GKE, CI/CD, SAST, SCA, IAST, DAST, NIST, OWASP, MITRE, AI/ML
1mo
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Container Security Engineer
Malvern or Charlotte or Dallas or Fort Worth
HybridFull Time
Vanguard
Vanguard: Provides mutual funds, ETFs, and investment management services.
Hands-on experience securing containerized AWS environments (ECS/EKS) and serverless workloads; experience with Wiz, CI/CD, image/runtime security, vulnerability assessment and remediation; undergraduate degree or equivalent experience.
Wiz, AWS, ECS, EKS, Serverless, Azure AKS, GCP GKE, CI/CD, SAST, SCA, IAST, DAST, NIST, OWASP, MITRE, AI/ML
3w
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Senior Application Security Engineer
Malvern or Charlotte or Dallas or Fort Worth
HybridFull Time
Vanguard
Vanguard: Provides mutual funds, ETFs, and investment management services.
Undergraduate degree or equivalent; strong experience with DAST and CI/CD integration; familiarity with SAST, SCA, IAST, RASP, secure SDLC, and standards such as NIST, OWASP, MITRE.
DAST, SAST, SCA, IAST, RASP, CI/CD, NIST, OWASP, MITRE
3w
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Senior Application Security Engineer
Malvern or Charlotte or Plano or Dallas
HybridFull Time
Vanguard
Vanguard: Global investment management and financial services provider.
Requires a related undergraduate degree or equivalent experience, strong DAST deployment and CI/CD integration experience, application security expertise, and familiarity with NIST, OWASP, and MITRE.
DAST, CI/CD, SAST, SCA, IAST, RASP, NIST, OWASP, MITRE
1mo
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Technical Lead - UI Porta& MFE Enablement | Onsite - Delaware
Wilmington, Delaware, United States
$56k-$196k/yr OnsiteFull Time
Photon: A hiring organization focused on delivering large-scale UI and frontend engineering solutions.
8+ YOE3+ Mgmt8+ years front-end engineering with 3+ years as a tech lead; expert React, Node.js/TypeScript, Webpack/Module Federation, state management, accessibility (WCAG/ARIA), OAuth/OIDC, UI performance and containerized deployments.
React, Node.js, TypeScript, Webpack, Module Federation, Redux, Figma, OAuth, OIDC, Playwright, Sentry, Datadog RUM, WCAG, OWASP
4d
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Senior Software Architect
Plymouth Meeting, Pennsylvania, United States
$223k-$250k/yr OnsiteFull Time
Towne Park
Towne Park: Valet parking and hospitality services for hospitals and hotels.
12+ YOEBachelor's degree or equivalent experience; 12 years building production software, including 4+ years as an architect or principal engineer supporting multi-tenant SaaS. Expert Azure, .NET/C#, Angular, React, SQL Server, NoSQL, and REST APIs.
Microsoft Azure, .NET, C#, Angular, React, SQL Server, NoSQL, REST APIs, Claude Code, MCP, RAG, Terraform, Bicep, Python, Next.js, CI/CD, OWASP, PCI DSS, LinkedIn