Senior Full-Stack Engineer – Build Impactful, Lasting SaaS

The Keystone Distinction Group

North Carolina

On-site

USD 140,000 - 180,000

Full time

3 days ago

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Job summary

The Keystone Distinction Group is seeking a Senior Software Engineer – Full Stack to build and scale modern SaaS products. You will own features end‑to‑end, collaborating with a small, skilled team to shape architecture, APIs, and deployment practices.

You’ll work with Ruby on Rails, React/TypeScript, and PostgreSQL, and apply AI tools to accelerate development. You will mentor peers, drive production excellence, and influence engineering culture through thoughtful design and rigorous

Qualifications

5+ years of professional software engineering experience, SaaS or web products.
Hands-on with Ruby on Rails, React/TypeScript, PostgreSQL.
Experience with AWS and cloud-based development.
Ownership of features from design to production.
Experience with automated testing, CI/CD, and modern practices.
Familiarity with AI coding tools and practices.
Mentoring or guiding other engineers.

Responsibilities

Build and own new product features from design through testing, deployment, and enhancements.
Develop full-stack SaaS applications using Rails, React/TS, and PostgreSQL.
Shape technical design decisions, architecture, APIs, and databases.
Leverage AI-assisted tools to accelerate coding, testing, and debugging.
Collaborate with Principal Engineer to evolve AI-driven practices.
Mentor engineers through code reviews and knowledge sharing.
Own production performance, quality, and scalability.