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Horizon3.ai

Horizon3.ai

via Jobs

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[Remote] Senior Back End Engineer

Anywhere
Full-time
Posted 12/28/2025
Verified Source
Key Skills:
TypeScript
Node.js
React
GraphQL
SQL
AWS

Compensation

Salary Range

$0K - 0K a year

Responsibilities

Develop core product features in ETL and GraphQL, design and implement backend APIs, build and maintain ETL pipelines, collaborate with frontend team.

Requirements

7+ years of software engineering experience with modern languages, cloud platform experience, proficiency in SQL, GraphQL, and building backend systems.

Full Description

Note: The job is a remote job and is open to candidates in USA. 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 maintaining ETL pipelines. 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 Skills • 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 • 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 • 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 Overview • Horizon3.ai offers an autonomous penetration testing platform that helps organizations proactively find and fix security vulnerabilities. It was founded in 2019, and is headquartered in San Francisco, California, USA, with a workforce of 201-500 employees. Its website is https://www.horizon3.ai.

This job posting was last updated on 1/2/2026

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