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/C…

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, SQ…

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 technica…

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 …

Vantage is an a16z-backed FinOps / Cloud Cost Management platform that helps 15,000+ organizations globally (e.g., Block, Vercel, Temporal, Rippling, FanDuel, CircleCI) manage their infrastructure costs. The company is a Ruby on Rails shop and is wo…

Lead the technical direction of CareMessage's messaging platform handling SMS, voice, and multimedia delivery. Design delivery pipelines, build consent management workflows, architect Twilio integration layers, and address messaging-at-scale concern…