Senior Backend Engineer, Security Controls

About the role

Horizon3 is a fast-growing, remote cybersecurity company dedicated to enabling organizations to proactively find, fix, and verify exploitable attack vectors before criminals exploit them. Our flagship product, the NodeZeroTM platform, delivers production-safe autonomous pentests and other key assessment operations that scale across the largest internal, external, cloud, and hybrid cloud environments. NodeZero has been adopted by organizations of all sizes, from small educational institutions to government agencies and Global 100 enterprises. It is used by IT Ops/SecOps teams, consulting pentesters, and MSSPs and MSPs.

Responsibilities

• Develop core product features in ETL (Extract, Transform, Load) and GraphQL to support data processing and retrieval.
• Design and implement backend APIs in GraphQL to facilitate data interactions between different components of the product.
• Build and maintain ETL pipelines for efficient data processing and analytics.
• Collaborate with frontend team members to present data in a clear and user-friendly format, enhancing the product's user experience.

Requirements

• Ability to own and manage concurrent initiatives, demonstrating effective judgment in prioritization and time management.
• Driven, self-managed, capable of conceiving and implementing solutions on your own and with a team.
• A strong desire to continuously improve and learn new technologies in a fast-paced Agile development environment.
• Excellent analytical and problem-solving skills, effective communication, attention to detail and high-quality work.
• Strong technical documentation ability to support the development process.
• Effective communication and collaboration with designers, developers, and product managers.
• Ability and interest in mentoring junior and mid-level engineers to foster their growth and development.

Qualifications

• Bachelor's Degree in Computer Science, Computer Engineering or related field.
• 7+ years professional software engineering experience using modern object-oriented or functional languages (Python, Java, Go, Scala, C++, TypeScript, etc).
• Experience building applications on cloud computing platforms such as AWS, Azure, GCP, using container technologies such as Docker and Kubernetes.
• Expert proficiency in SQL.

Skills

• Deep familiarity with at least one major EDR platform (CrowdStrike, SentinelOne, Microsoft Defender) at the telemetry and API level.
• Understands detection logic, alert triage workflows, and how SOC teams consume EDR output.
• Expert proficiency in SQL and experience with various database architectures including relational (PostgreSQL) and graph (Neo4j).
• Experience building GraphQL backends.

Benefits

At Horizon3, we believe that our people are our greatest asset, and our compensation philosophy reflects this core value. We are committed to fostering an environment where all employees feel valued, respected, and rewarded for their contributions. Our compensation structure is designed to be fair, competitive, and transparent, ensuring that every team member is recognized and compensated equitably across roles, levels, and locations.

Pay

$187,937-$208,819.

Schedule

We are a fully remote company, and this job may require up to 5% of travel to be successful.