Ruby on Rails Jobs - March 2026

Substantial is a technology consulting company seeking a Senior/Staff Software Developer to work remotely (US) on legal technology for a long-time client. The team follows a Lean/post-agile approach and collaborative practices. They seek someone with 10+ year…

Tangible Materials helps the construction industry make better decisions around building materials by using less and better materials. They use AI to parse complex construction documents to estimate quantities, track design decisions, and detect over-design. …

Newbuilds is hiring a Senior Ruby on Rails Developer to help scale a widely used proptech marketing platform. Responsibilities include working on backend architecture, improving performance and scalability, building integrations with external APIs/CRMs, and i…

We are hiring experienced Software Engineers to help accelerate delivery of AI solutions at our Energy company. We're looking for full-stack experience, multi-agent workflows, context engineering, agentic development. Proficiency in Python, Ruby, SQL, JavaScr…

Empire Flippers is a global-remote company and a marketplace for buying and selling online businesses (typically 5 to 8 figure USD range). Employees are distributed across multiple continents and timezones. The company is hiring for several technical and non-…

Sitewire | Full Stack Engineer | Full-Time | REMOTE (US-only). Learn more or apply at https://wellfound.com/l/2zf9K9 - I personally review every application, so just mention you found us on HN. Sitewire is a simple yet powerful construction finance platform t…