Senior Full-Stack Engineer - Build AI-Driven SaaS

Scalable Sourcing; Columbus (OH); On-site; USD 130,000 - 170,000; Full time

Job summary

Scalable Sourcing is seeking a Senior Software Engineer to build and own new product features for our SaaS platform. You will develop full-stack applications using Ruby on Rails, React/TypeScript, and PostgreSQL, while shaping architecture and APIs.

You’ll leverage AI-assisted tools to accelerate development and collaborate with leadership to advance modern engineering practices. You will mentor teammates, own production quality, and drive scalable solutions that have a lasting impact.

Qualifications

• 5 years of professional software engineering experience, ideally developing SaaS or web-based products.
• Strong hands-on experience with Ruby on Rails, React/TypeScript, and PostgreSQL.
• Working knowledge of AWS and cloud-based application development.
• Experience owning software features from design through production.
• Experience with automated testing, CI/CD, and modern software engineering practices.
• Practical experience using AI coding tools such as Claude Code, GitHub Copilot, Codex, or similar technologies.

Responsibilities

• Build and own new product features from initial design and development through testing, deployment, and ongoing enhancements.
• Develop full-stack SaaS applications using Ruby on Rails, React/TypeScript, and PostgreSQL.
• Help shape technical design decisions, application architecture, APIs, and database structures.
• Leverage AI-assisted development tools to accelerate coding, testing, debugging, and overall engineering productivity.
• Collaborate with a Principal Engineer to help establish and evolve modern, AI-driven engineering practices.
• Mentor other engineers through code reviews, technical guidance, and knowledge sharing.

Skills

Ruby on Rails

React/TypeScript

PostgreSQL

AWS

CI/CD

AI coding tools

Tools

Claude Code

GitHub Copilot

Codex

Job description

Scalable Sourcing is seeking a Senior Software Engineer to build and own new product features for our SaaS platform. You will develop full-stack applications using Ruby on Rails, React/TypeScript, and PostgreSQL, while shaping architecture and APIs.

You’ll leverage AI-assisted tools to accelerate development and collaborate with leadership to advance modern engineering practices. You will mentor teammates, own production quality, and drive scalable solutions that have a lasting impact.