Principal Software Engineer – AI Security

Mend.io

Principal Software Engineer developing AI-driven application security solutions at Mend.io. Leading end-to-end ownership from research to production in a collaborative environment.

Posted 7/20/2026full-timeGivatayim • 🇮🇱 IsraelLeadWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates extensive experience in backend software engineering and technical leadership, with a strong focus on product development and the integration of AI capabilities. Proven ability to design and build systems from scratch while collaborating effectively with cross-functional teams.

Highest-signal resume keywords

Backend Software EngineeringTechnical LeadershipAI Coding AgentsCloud EnvironmentsProduct Development

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

GoPythonMicroservicesSystem DesignSoftware Development LifecycleAI/LLM CapabilitiesResearch and DesignCodingTestingProduction Support

Soft Skills

Team PlayerExcellent Communication

Tools & Technologies

AWSGCPAzure

Industry Keywords

Product MindsetCost-Effective EngineeringDomain ResearchInnovation

Tech Stack

Tools & technologies

AWSAzureCloudGoGoogle Cloud PlatformMicroservicesPython

About the role

Key responsibilities & impact

Own solutions end to end - from studying the domain and generating your own ideas, through research and design, to coding, shipping, and supporting them in production.
Drive independent research in a new domain where problems are not fully defined, balancing innovation with practical, cost-effective engineering
Build and evolve backend & frontend, extending traditional microservices with AI/LLM-based capabilities
Use AI agents throughout development - research, design, coding, and testing - to raise both speed and quality
Work closely with security researchers, data scientists, and product managers to turn ideas into shipped product

Requirements

What you’ll need

10+ years of backend software engineering experience
3+ years in a hands-on technical leadership role (Principal / Tech Lead / Architect)
Product mindset connecting technical decisions to business impact
Team player with excellent communication skills
Proven experience designing and building systems from scratch in a product environment
Strong hands-on skills in a modern backend language (Go or Python preferred)
Real, hands-on experience using AI coding agents across the development lifecycle
Solid grounding in cloud environments and modern development practices (AWS, GCP, or Azure)

Benefits

Comp & perks

Collaborative, empowering workplace
Commitment to diversity and inclusion