8 appsec engineer jobs at 5 companies in Berkeley, MO
1mo
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Principal Engineer - Systems
St. Louis, Missouri, United States
RemoteFull Time
11+ YOE11+ years software and infrastructure engineering experience, expertise in cloud (Azure), security (MFA, SSO, MIM, OTP), distributed systems, and strong stakeholder communication and mentoring skills.
Microsoft Active Directory, Microsoft Entra, AppSec, MFA, SSO, MIM, OTP, Azure
5d
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Application Security Engineer IV - AI Harness
Tempe or St. Louis
$102k/yr HybridFull Time
6+ YOEBachelor's degree or equivalent practical experience, 6+ years in application security or related cybersecurity engineering, CI/CD and AppSec tooling, automation with Python or shell, observability, secure SDLC, and AI-assisted security workflows.
Jenkins, GitHub Actions, GitHub Enterprise, Atlassian, Jira, Azure DevOps, Python, SAST, SCA, DAST, SBOMs, SARIF, Selenium, Microsoft Azure, AWS, Kubernetes, SIEM, APIs, NIST SSDF, NIST CSF 2.0, OWASP Top 10, CWE, CVSS, CISSP, CSSLP, CCSP, GIAC
2mo
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Senior Software Engineer
O'Fallon, Missouri, United States
$115k-$184k/yr OnsiteFull Time
Strong OOP and Java skills, experience with CI/CD, containers, Kafka/Flink, observability (OpenTelemetry), secure coding, test-driven practices, and ability to mentor engineers and deliver large-scale distributed systems.
Java, Python, Bash, Apache Kafka, Apache Flink, OpenTelemetry, CI, CD, OOP, SOLID, 12-factor, TDD, BDD, OWASP, CWE, SEI CERT
2mo
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Staff Engineer
Calgary or Phoenix or Scottsdale or Pittsburgh or Columbus or Orlando or St. Louis or Edmonton or Halifax or Moncton or Ottawa or Toronto or Winnipeg or Vancouver
$200k-$240k/yr RemoteFull Time
6+ YOE6+ years with Ruby on Rails, strong OO and DDD fundamentals, experience with scale/concurrency/queuing/background processing, AWS/RDS/serverless experience, SQL/ETL/data-warehouse skills, security mindset (OWASP, SOC-2), and experience applying AI to workflows.
Ruby on Rails, AWS, RDS, SQL, OWASP, SOC-2, Domain-driven design (DDD), microservices, serverless, ETL, AI
2mo
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Software Engineer II
O'Fallon, Missouri, United States
$92k-$147k/yr OnsiteFull Time
Experience in Java and Python, CI/CD, Kafka and Flink, OpenTelemetry, secure coding, IaC, TDD/BDD, and building distributed systems.
Java, Python, Bash, Apache Kafka, Apache Flink, OpenTelemetry, CI/CD, Infrastructure as Code, OWASP, CWE, SEI CERT, TDD, BDD
1mo
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Application Developer II
St. Louis, Missouri, United States
OnsiteFull Time
3+ YOE3+ years developing integrations and applications using iPaaS (Boomi/Mulesoft/Snaplogic), SQL, JSON/XML, modern stacks (.NET,C#/Node.js/TypeScript/Python/Ruby), DevSecOps practices and cloud platforms (AWS/Azure).
Boomi, Mulesoft, Snaplogic, SQL, JSON, XML, Palantir, .NET 6+, C#, Node.js, TypeScript, Python, Ruby, Ruby on Rails, Sinatra, ActiveRecord, CI/CD, DAST, SAST, SCA, Checkmarx, OWASP, GitHub, Snyk, Terrascan, Terraform, SFTP, PGP, AWS, Azure, Microsoft Office 365
1mo
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Application Developer II
St. Louis, Missouri, United States
OnsiteFull Time
3+ YOE3+ years experience with enterprise iPaaS (Boomi/Mulesoft/Snaplogic), strong SQL and API integration skills, JSON/XML knowledge, application development on modern stacks (.NET6+/C#, Node.js/TypeScript, Python, Ruby), DevSecOps familiarity, cloud and container experience, Agile.
Boomi, Mulesoft, Snaplogic, Palantir, .NET 6+, C#, Node.js, TypeScript, Python, Ruby, Ruby on Rails, Sinatra, ActiveRecord, SQL, JSON, XML, CI/CD, DAST, SAST, SCA, Checkmarx, OWASP, GitHub, Snyk, Terrasan, Terraform, SFTP, PGP, AWS, Azure, Microsoft Office 365
5d
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Application Security Architect - AI Harness
Tempe or St. Louis or United States
HybridFull Time
10+ YOEBachelor’s degree and 10+ years in application security, secure software engineering, DevSecOps, security architecture, or cybersecurity; expertise in secure code review, AI security, SDLC, and regulated environments.
Jenkins, GitHub Actions, GitHub Enterprise, Atlassian, SAST, SCA, DAST, RAG, OWASP, CWE, CVSS, NIST SSDF, NIST CSF 2.0, NYDFS, FINRA, SOX ITGC, FFIEC, GLBA, Kubernetes