Senior Full-Stack Engineer - Pentest Expert (Remote)

VulnU; United States; Remote; USD 170,000 - 235,000; Full time

Benefits offered by this job

Paid parental leave

Flexible PTO

Equity

Job summary

Horizon3.ai is seeking a Senior Full Stack Engineer with pentest experience to build production-grade software across backend and frontend layers. The role emphasizes ownership of end-to-end projects, collaboration with product and design, and delivering customer-facing outcomes.

You will work primarily on backend services (80%) with frontend work (20%), leveraging Go, Python, TypeScript, React/Angular, and cloud platforms. Travel up to 10% is expected.

Qualifications

• 6+ years of professional software engineering experience.
• Experience developing backend services in Go, Rust, Python, Java, TypeScript, or similar.
• Experience building frontend applications with React, Angular, or similar.
• Strong understanding of APIs, service-oriented architectures, and data modeling.

Responsibilities

• Build and ship backend services, APIs and modern web interfaces.
• Own moderate-to-large projects end-to-end with scoping, design, rollout and iteration.
• Mentor and support less experienced engineers through code reviews and guidance.

Skills

Backend development

Frontend development

APIs & SOA

Mentoring

Independent work

Education

Bachelor’s degree in CS/CE or equivalent

Tools

Docker

PostgreSQL

Neo4j

GraphQL

Airflow-like workflows

Job description

Horizon3.ai is seeking a Senior Full Stack Engineer with pentest experience to build production-grade software across backend and frontend layers. The role emphasizes ownership of end-to-end projects, collaboration with product and design, and delivering customer-facing outcomes.

You will work primarily on backend services (80%) with frontend work (20%), leveraging Go, Python, TypeScript, React/Angular, and cloud platforms. Travel up to 10% is expected.