Application Software Engineer – Endpoint Security

🕒 November 25, 2025

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Oneleet

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2022

📋 Compliance

🔒 Cybersecurity

☁️ SaaS

Compliance • Cybersecurity • SaaS

Oneleet is a security and compliance SaaS platform that helps companies achieve and maintain audit-ready posture for frameworks like SOC 2, ISO 27001, HIPAA and GDPR while delivering real, continuous cybersecurity. The platform unifies controls, policies, evidence collection, and automated security tooling (attack surface monitoring, code scanning, vulnerability management) and pairs automation with expert services such as penetration testing and vCISO to both pass audits and reduce actual risk. Oneleet is designed to integrate with existing developer and cloud stacks and to turn remediation work into documented compliance evidence.

📋 Description

• 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

🎯 Requirements

• 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 • Bonus: Experience with Electron for building cross-platform desktop applications • Bonus: Experience with Windows APIs, macOS system frameworks, or Linux kernel interfaces • Bonus: Background in cybersecurity, particularly endpoint detection and response (EDR) or mobile device management (MDM) • Bonus: Experience with certificate management and cryptographic operations • Bonus: Familiarity with compliance frameworks (SOC2, ISO27001, HIPAA) • Bonus: Experience with real-time data streaming and event processing • Bonus: 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)