Application Software Engineer, Endpoint Security jobs in United States
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Oneleet · 2 months ago

Application Software Engineer, Endpoint Security

Oneleet is on a mission to revolutionize the cybersecurity industry through a comprehensive platform that simplifies cybersecurity for companies. As an Engineer on the Oneleet Agent team, you will develop and maintain a cross-platform endpoint security agent, ensuring robust security measures and seamless communication between devices and the cloud.

Artificial Intelligence (AI)ComplianceCyber SecurityEnterprise SoftwarePenetration TestingSaaS

Responsibilities

Design and implement cross-platform agent functionality for Windows, macOS, and Linux using Go and JavaScript
Build low-level configuration automation and system monitoring capabilities that interact with OS-specific APIs and security frameworks
Develop secure communication protocols between agents and our cloud platform using gRPC or REST APIs
Implement real-time threat detection and response capabilities at the endpoint level
Create robust update and deployment mechanisms that ensure agents remain current without disrupting user workflows
Build telemetry collection systems that provide visibility into device security posture while respecting privacy
Collaborate with the security team to implement new detection rules and compliance checks
Ensure agent performance is optimized to minimize system resource usage
Develop comprehensive testing strategies for multi-OS compatibility
Create tools and dashboards for monitoring agent health and deployment status across thousands of endpoints

Qualification

GoJavaScriptOperating system internalsGRPCREST APIsEndpoint security conceptsCross-platform developmentDebugging skillsTroubleshooting skillsCertificate managementCryptographic operationsCompliance frameworksReal-time data streamingElectronWindows APIsMacOS system frameworksLinux kernel interfacesCybersecurity backgroundMobile device management

Required

5+ years of professional software development experience with a focus on systems programming or security software
Strong experience with Go and JavaScript for building production-grade applications
Deep understanding of operating system internals across Windows, macOS, and Linux
Experience with low-level configuration automation and system administration across multiple platforms
Proven experience with gRPC or REST API design and implementation
Experience building software that runs with elevated privileges while maintaining security
Strong understanding of endpoint security concepts and best practices
Experience with cross-platform development challenges and solutions
Excellent debugging and troubleshooting skills for complex system-level issues

Preferred

Experience with Electron for building cross-platform desktop applications
Experience with Windows APIs, macOS system frameworks, or Linux kernel interfaces
Background in cybersecurity, particularly endpoint detection and response (EDR) or mobile device management (MDM)
Experience with certificate management and cryptographic operations
Familiarity with compliance frameworks (SOC2, ISO27001, HIPAA)
Experience with real-time data streaming and event processing
Bachelor's or Master's degree in Computer Science, Cybersecurity, or related field

Benefits

Comprehensive health & welless benefits
Competitive comp & equity
Generous PTO, including floating holidays to honor what matters most to you
Flexible, remote work culture
Quarterly off-sites to cool places (Amsterdam, Italy, etc).

Company

Oneleet

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Oneleet offers a cybersecurity platform for automated security and compliance.

Funding

Current Stage
Growth Stage
Total Funding
$35.5M
Key Investors
Dawn Capital
2025-10-02Series A· $33M
2022-08-22Seed· $2.5M

Leadership Team

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Bryan Onel
Chief Executive Officer
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Company data provided by crunchbase