Senior Software Engineer — Backend Lead (Remote, Stock)

horizon3ai; United States; Remote; USD 200,000 - 235,000; Full time

Benefits offered by this job

Stock options

Health, vision, and dental coverage

Flexible vacation

Parental leave

Job summary

horizon3ai in the United States is seeking a senior software engineer to build product experiences that help customers understand security risks and take action. The role focuses on roughly 80% backend services and APIs with about 20% frontend development, spanning from scoping to rollout.

You will lead cross-functional initiatives, mentor teammates, write tests and docs, and own delivery of scalable, maintainable software in production.

Qualifications

• Six or more years of professional software development experience.
• Experience building and operating production software across layers.
• Ability to drive large features from requirements to delivery with cross-functional teams.
• Strong technical judgment and clear communication.
• Product-minded with ownership and ability to manage multiple workstreams.
• BS in Computer Science, Computer Engineering, or related field, or equivalent practical experience.

Responsibilities

• Deliver capabilities across backend services, APIs, and web apps.
• Lead medium to large projects through design, implementation, release, and improvements.
• Build user-facing features that are clear, performant, and aligned with design requirements.
• Coordinate with product, design, and engineering partners on cross-functional initiatives.
• Identify risks and tradeoffs early; explain decisions to varied audiences.
• Write and review code, tests, and documentation; mentor teammates.

Skills

Backend systems design

API development

Leadership/Project management

Cloud/Production software

Communication

Problem solving

Education

Bachelor's degree in computer science or related

Tools

Git

CI/CD

Job description

horizon3ai in the United States is seeking a senior software engineer to build product experiences that help customers understand security risks and take action. The role focuses on roughly 80% backend services and APIs with about 20% frontend development, spanning from scoping to rollout.

You will lead cross-functional initiatives, mentor teammates, write tests and docs, and own delivery of scalable, maintainable software in production.