Senior Full-Stack Engineer — Build AI-Driven SaaS with Ownership

Ashton North LLC

North Carolina

On-site

USD 140,000 - 190,000

Full time

3 days ago

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Job summary

Ashton North LLC in the United States is seeking a Senior Software Engineer to own end-to-end features for our SaaS platform. You will build new products, shape architecture, and mentor others while leveraging AI-assisted development tools to improve speed and quality.

You will work with Ruby on Rails, React/TypeScript, PostgreSQL, AWS, and modern testing/CI/CD practices. This is a hands-on role with ownership, collaboration, and opportunities to influence engineering decisions and long-term

Qualifications

5+ years of professional software engineering experience, SaaS/web products preferred.
Strong hands-on experience with Ruby on Rails, React/TypeScript, and PostgreSQL.
Working knowledge of AWS and cloud-based development.
Experience owning features from design through production.
Experience with automated testing, CI/CD, and modern engineering practices.
Practical experience using AI coding tools (Claude Code, Copilot, Codex).
Mentoring or guiding other engineers is a plus.

Responsibilities

Build and own new product features from design to testing, deployment, and enhancements.
Develop full-stack SaaS applications using Ruby on Rails, React/TypeScript, PostgreSQL.
Shape architectural decisions, APIs, and database structures.
Leverage AI-assisted development tools to speed coding, testing, and debugging.
Collaborate with a Principal Engineer to evolve AI-driven engineering practices.
Mentor engineers through reviews, guidance, and knowledge sharing.
Own production performance, quality, scalability, and continuous improvement.