Horizon3.ai · 10 hours ago
Senior Back End Engineer
Horizon3.ai is a fast-growing, remote cybersecurity company dedicated to enabling organizations to proactively find, fix and verify exploitable attack vectors. The Senior Backend Engineer will be a key contributor to user-facing product launches and platform enhancements, focusing on developing core product features and backend APIs to support data processing and analytics.
Artificial Intelligence (AI)Cyber SecurityEnterprise SoftwareMachine LearningNetwork Security
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
Qualification
Required
Bachelor's Degree in Computer Science, Computer Engineering or related field
7+ yrs 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
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
Preferred
Experience with various database architectures including relational (PostgreSQL) and graph (Neo4j)
Experience building GraphQL backends
Experience managing and maintaining production infrastructure
Experience building platform capabilities for internal teams
Benefits
Health, vision & dental insurance for you and your family
Flexible vacation policy
Generous parental leave
Company
Horizon3.ai
Horizon3.ai offers an autonomous penetration testing platform that helps organizations proactively find and fix security vulnerabilities.
Funding
Current Stage
Late StageTotal Funding
$178.5MKey Investors
Prosperity7 VenturesNew Enterprise AssociatesCraft Ventures
2026-01-13Series Unknown
2025-05-22Series D· $100M
2023-08-08Series C· $40M
Recent News
2025-12-16
Company data provided by crunchbase