Remote Ruby Developer

Seeking a remote Ruby Backend Engineer to collaborate with founders, develop backend solutions, and lead projects. Requires expertise in Ruby on Rails, performance optimization, and PostgreSQL.

Senior Backend Engineer to build and scale mission-critical infrastructure, focusing on Ruby on Rails, RESTful APIs, and AI-assisted development for global shipping logistics.

Senior Backend Engineer to build and scale mission-critical infrastructure, focusing on Ruby on Rails, RESTful APIs, and AI-assisted development for global shipping logistics.

Freelance Software Developer (Ruby) - AI Trainer4 days ago Be among the first 25 applicantsThis opportunity is only for candidates currently residing in the specified country. Your location may affect eligibility and rates. Please submit your resume in English and indicate your level of English proficiency.At Mindrift, innovation meets opportunity. We...

Remote Ruby Backend Engineer wanted by Evil Martians to build web applications and developer tools. Requires Ruby/Rails expertise, performance optimization, and database mastery. Focus on product ownership and async communication.

Seeking a freelance Ruby software developer to train AI models, design prompts, and improve model reasoning skills through testing and feedback. Remote role with flexible hours.

Freelance Ruby Software Engineer needed to work on AI projects, generating prompts and improving model responses. Flexible hours, remote.

pubGENIUS is a React.Js +Next.Js development agency and ad tech startup. We are looking for stellar developers to join our agency team to build websites and apps for clients in the US and Europe. We specialize in decentralized finance (Defi crypto/NFT/blockchain), fintech, and healthcare verticals, but occasionally serve others as well such as e-commerce.We...

Seeking a Senior React Developer with 4+ years of experience for a remote role in Portugal. Requires strong JavaScript, TypeScript, React, Hooks, Redux, GraphQL, and unit testing skills. Portuguese fluency and B2 English are mandatory.