22 sr security software engineer jobs at 11 companies in Delaware
2mo
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Sr. Software Engineer
Philadelphia or New Jersey or Delaware or New York or Maryland or Florida or South Carolina or Texas or Virginia or Georgia
HybridFull Time
FreedomPay: A fast-growing payments and commerce technology delivering secure solutions globally.
7+ YOE7+ years in application development and testing; strong web, SPA, and backend skills; security-focused; Agile experience; strong English communication.
.NET, SQL Server, MVC, jQuery, React, Angular, Redux, TypeScript, JWT, Git, HTML, CSS, Websockets
2w
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Blockchain - Sr Lead Security Engineer
Plano or Seattle or Wilmington or Columbus or Jersey City or Palo Alto
$171k-$260k/yr OnsiteFull Time
7+ YOEBachelor's in CS or related,7+ years software development with ≥2 years blockchain experience, strong Java/Python skills, blockchain fundamentals, cryptography (MPC,TSS,DKG,ECDSA,EdDSA), AWS, containers, infra-as-code, API and security best practices.
Java/J2EE, Python, Spring Boot, Flask, FastAPIS, Multi-Party Computation (MPC), ECDSA, EdDSA, BIP-32/BIP-44, AWS EC2, AWS EKS, AWS Lambda, AWS S3, AWS RDS, AWS IAM, AWS SQS, AWS SNS, API Gateway, AWS KMS, Terraform, CloudFormation, Docker, Kubernetes, Oracle, PostgreSQL, DynamoDB, MongoDB, Redis, Datadog, Dynatrace, Splunk, Grafana, Prometheus, Jenkins, GitHub Actions, Spinnaker, GitHub Copilot, Claude Code, OAuth 2.0, JWT, TLS, mTLS
1mo
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Lead Software Engineer
Newark, Delaware, United States
$128k-$201k/yr OnsiteFull Time
6+ YOE6+ years software engineering experience building cloud and edge systems; experience in regulated environments, secure development practices, QMS familiarity, AI integration, Agile and version control proficiency; degree in CS/SE/STEM.
Microsoft Azure, Google Cloud Platform (GCP), Agile
6d
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Principal Software Engineer (Security & Policy Platform) (Remote)
San Jose or North Dakota or Montana or Maine or Ohio or Nebraska or Louisiana or Texas or Nevada or Hawaii or Georgia or Mississippi or Connecticut or Colorado or Wyoming or Wisconsin or West Virginia or Maryland or California or Vermont or New York or New Jersey or Arkansas or South Dakota or Pennsylvania or Michigan or Indiana or Idaho or Arizona or New Mexico or New Hampshire or Kentucky or Alabama or South Carolina or Illinois or Missouri or Massachusetts or Iowa or Tennessee or North Carolina or Minnesota or Kansas or Alaska or Rhode Island or Delaware or Washington or Virginia or Utah or Oregon or Florida or Oklahoma
$251k-$363k/yr RemoteFull Time
12+ YOEBachelor's in CS/EE or related and 12+ years designing large-scale distributed systems; experience with cloud/hybrid, security and privacy for platform systems; production coding in Go/Rust/C++; strong communication.
Go, Rust, C++
3w
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Senior Software Development Engineer
Illinois or Mississippi or Montana or North Carolina or Louisiana or Maryland or Maine or Minnesota or Nebraska or Missouri or North Dakota or New York or New Jersey or New Mexico or Nevada or Ohio or South Carolina or Texas or Rhode Island or South Dakota or Vermont or Tennessee or Virginia or Washington or Utah or Wisconsin or West Virginia or Oregon or Wyoming or Oklahoma or Pennsylvania or Colorado or Alabama or Arizona or California or Connecticut or District of Columbia or Florida or Iowa or Arkansas or Idaho or Kansas or Delaware or Georgia or Indiana or Kentucky or Michigan or Massachusetts or New Hampshire
$83k-$222k/yr RemoteFull Time
5+ YOE5+ years software engineering with Java/JEE and Spring Boot, 3+ years Kafka, CI/CD, Docker/Kubernetes, 2+ years cloud experience (GCP preferred); strong data migration, ETL, security and healthcare integration experience.
Java, JEE, Spring Boot, Spring Cloud, Apache Kafka, Python, Spring Batch, GCP, GKE, Cloud Run, Cloud Build, Cloud SQL, Pub/Sub, IAM, Secret Manager, OpenTelemetry, Docker, Kubernetes, SQL, NoSQL, OAuth 2.0, OIDC, TLS, Dataflow, Git
1mo
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Application Security Engineer - Mid-Atlantic region (Remote in VA, MD, PA, NC, DE, NJ, or DC)
Virginia or Maryland or Pennsylvania or North Carolina or Delaware or New Jersey or District of Columbia or United States
RemoteFull Time
5+ YOE5+ years security engineering experience, proficiency with SAST tools, CI/CD integration, software engineering background, scripting/automation skills, application security fundamentals (OWASP Top 10, threat modeling), strong communication.
Semgrep, Snyk, CodeQL, Checkmarx, Veracode, GitHub Actions, GitLab Runners, Azure DevOps, Jenkins, CircleCI, IAST, DAST, SCA, NoName, Traceable, Salt, Cequence, Burp Suite, OWASP Top 10, Greenhouse Software, Zoom Scheduler
2w
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Confidential Computing Software Architect
Santa Clara or Alabama or Georgia or Florida or Colorado or California or Delaware or Arizona or Alaska or Belgium or France or Austria or Canada
OnsiteFull Time
Experienced in implementing system software for confidential compute, proficient in C, familiar with hypervisors, TEEs, peripheral security standards, and working with CPU/RTL teams.
RISC-V, C, Rust, Ada SPARK, Frama-C, PCI IDE, SPDM
1w
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Artificial Intelligence Security Specialist USA
New York or New Castle or Tampa or Jacksonville or Fort Lauderdale or Irving or Jersey City
$109k-$265k/yr HybridFull Time
5+ YOEExperience in AI/ML engineering, security research, or software engineering; hands-on LLM/agent experience, vulnerability research, Python proficiency, threat modeling (STRIDE, ATT&CK); bachelor’s or equivalent; 5+ years preferred.
Artificial Intelligence (AI), LLMs, Python, STRIDE, ATT&CK
1mo
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Assistant Vice President, Cyber Security
Wilmington, Delaware, United States
HybridFull Time
6+ YOE2+ Mgmt6+ years cybersecurity/cloud or software engineering experience, 2+ years in a senior/lead security role; AWS and cloud-native security, IAM, encryption, Terraform/CloudFormation, CI/CD security, SOC 2/PCI DSS experience; relevant security certs preferred.
AWS, AWS IAM, VPC, KMS, Security Hub, GuardDuty, CloudTrail, OAuth2, JWTs, mTLS, Terraform, CloudFormation, CI/CD, SAST, DAST, dependency scanning, SOC 2, PCI DSS, OWASP Top 10, API Security Top 10
2mo
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Senior Android Developer – Banking Applications
Wilmington, Delaware, United States
$107k-$178k/yr HybridFull Time
3+ YOE5+ years Android development with Java/Kotlin; banking/fintech experience; secure mobile development; testing frameworks; collaborative team player.
Java, Kotlin, Android, Jetpack Compose, Espresso, JUnit, Mockito, CI/CD, DevOps, Secure coding
1mo
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Lead .Net Platform Engineer (Payments Ingestion) - Senior Vice President
New Castle or Irving
$156k-$234k/yr HybridFull Time
10+ YOE10+ years .Net experience, microservices, Kafka, Oracle/MongoDB, cloud-native (OpenShift/AWS), Kubernetes/Docker, CI/CD (Jenkins, Gradle/Maven), JVM performance tuning, API design, secure engineering, Agile/SAFe. Bachelor's required; Master's preferred.
.Net, REST APIs, Spring MVC, Spring Boot, Kafka, Oracle, Microsoft SQL, MongoDB, OpenShift, AWS, Kubernetes, Docker, CI/CD, Jenkins, Gradle, Maven, Grafana, GitHub Copilot, LLMs, Gemini, JVM, Python, Pinecone, Weaviate, LangChain, AutoGen, COBOL, Assembler, C++, React
1mo
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Senior Drupal Developer, (Senior Consultant, Engineering & Technical Services)
Baltimore or Alabama or California or Delaware or District of Columbia or Florida or Georgia or Maryland or New Jersey or New York or North Carolina or Pennsylvania or South Carolina or Tennessee or Texas or Virginia or West Virginia
$121k-$140k/yr RemoteFull Time
7+ YOE7+ years developing Drupal (9/10/11), strong PHP/Twig/JavaScript skills, REST API integration, cloud and CI/CD experience, accessibility and security best practices, ability to obtain Public Trust clearance, Bachelor's degree or equivalent.
Drupal, PHP, Twig, JavaScript, Composer, RESTful APIs, CI/CD, AWS, cloud.gov, AWS GovCloud, Acquia
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