Horizon3.ai

1 month ago

Principal Engineer, Technical Lead

✓ Verified Job

Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI

Last checked: 6 hours agoStatus: Live

Job Summary

Lead the technical vision and architecture for Horizon3.ai’s RBVM platform, shaping backend systems and driving cross-functional initiatives. A hands-on senior IC who mentors engineers, writes production code, and guides product and engineering teams through ambiguous goals toward scalable, reliable solutions that impact multiple projects.

Location: United States

Workplace: Remote

Employment Type: Full time

Job Function: Administration & Executive Assistance

Seniority: Sr. Manager level

Key Responsibilities

•Own the end-to-end technical vision for the RBVM and its supporting services, from initial concept through implementation, iteration, and long-term evolution.
•Partner with cross functional stakeholders to translate ambiguous product and business goals into concrete technical strategy, architecture, and execution plans for the RBVM team.
•Contribute production code, setting the standard for design quality, code quality, and operational rigor.
•Lead architectural decisions for scalable backend systems that balance velocity, reliability, maintainability, extensibility, and operability.
•Drive execution across multiple concurrent projects and initiatives, identifying risks, dependencies, and tradeoffs early and helping the team sequence work effectively.

Pay and Benefits

Salary: 213,000 - 273,000 annually

Equity and Bonus:Equity

Perks:Health InsuranceVisionDentalEquityParenteral Leave

Key Requirements

•Bachelor’s degree in Computer Science, Computer Engineering, or related field
•1–4 years of professional software engineering experience
•Experience building backend services using Python, Go, Java, TypeScript, or similar
•Experience with SQL and at least one relational database in production
•Experience building backend services on a cloud platform (AWS, GCP, or Azure) and familiarity with Docker

Experience:1-4 yearsCybersecurity

Education:Bachelor's

Skills:LeadershipCommunicationMentoringCross-functional collaborationProduct judgment

Tech Stack:PythonGoJavaTypeScriptSQLAWSGCPAzureDockerPostgreSQLNeo4jGraphQLAirflowDatadogPrometheusGrafana

Company Brief

Horizon3.ai

Builds NodeZero®, an autonomous penetration-testing platform that continuously finds, prioritizes, and verifies exploitable vulnerabilities across on-premises, cloud, and hybrid environments to help organizations reduce security risk.

Industry: Cybersecurity

Company Size: Large (251 to 1,000 employees)

Growth: Scaleup

Funding: Series D

Headquarters: San Francisco, United States

Founded: 2019

Glassdoor: 4.9

Website LinkedIn Glassdoor

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Horizon3.ai

1 month ago

Principal Engineer, Technical Lead

✓ Verified Job

Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI

Last checked: 6 hours agoStatus: Live

Job Summary

Location: United States

Workplace: Remote

Employment Type: Full time

Job Function: Administration & Executive Assistance

Seniority: Sr. Manager level

Key Responsibilities

•Own the end-to-end technical vision for the RBVM and its supporting services, from initial concept through implementation, iteration, and long-term evolution.
•Partner with cross functional stakeholders to translate ambiguous product and business goals into concrete technical strategy, architecture, and execution plans for the RBVM team.
•Contribute production code, setting the standard for design quality, code quality, and operational rigor.
•Lead architectural decisions for scalable backend systems that balance velocity, reliability, maintainability, extensibility, and operability.
•Drive execution across multiple concurrent projects and initiatives, identifying risks, dependencies, and tradeoffs early and helping the team sequence work effectively.

Pay and Benefits

Salary: 213,000 - 273,000 annually

Equity and Bonus:Equity

Perks:Health InsuranceVisionDentalEquityParenteral Leave

Key Requirements

•Bachelor’s degree in Computer Science, Computer Engineering, or related field
•1–4 years of professional software engineering experience
•Experience building backend services using Python, Go, Java, TypeScript, or similar
•Experience with SQL and at least one relational database in production
•Experience building backend services on a cloud platform (AWS, GCP, or Azure) and familiarity with Docker

Experience:1-4 yearsCybersecurity

Education:Bachelor's

Skills:LeadershipCommunicationMentoringCross-functional collaborationProduct judgment

Tech Stack:PythonGoJavaTypeScriptSQLAWSGCPAzureDockerPostgreSQLNeo4jGraphQLAirflowDatadogPrometheusGrafana

Company Brief

Horizon3.ai

Industry: Cybersecurity

Company Size: Large (251 to 1,000 employees)

Growth: Scaleup

Funding: Series D

Headquarters: San Francisco, United States

Founded: 2019

Glassdoor: 4.9

Website LinkedIn Glassdoor