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Senior Backend Tech Lead building and evolving scalable enterprise system integrations (CRMs, ERPs) via APIs using Ruby on Rails or Go on AWS/Kubernetes, with AI-powered capabilities and full technical ownership.
Senior Backend Developer acting as Tech Lead, building scalable services with Ruby on Rails or Go, mentoring engineers, and integrating AI-powered solutions for a partner company in Brazil.
Senior Backend Engineer building ResortPass's external booking API and core booking domain using Ruby on Rails, Node.js, Postgres, and AWS to support hotel day-pass bookings across multiple categories and distribution channels.
Senior Backend Developer acting as Tech Lead, building and evolving Clicksign's core electronic-signature product using Ruby on Rails or Go, with a focus on scalable architectures and AI integration.
Tech Lead on the VS Integrações team at Clicksign, building and evolving integrations (CRMs, ERPs, connectors) using Ruby on Rails or Go on AWS/Kubernetes, while mentoring the squad and bridging engineering with product.
Senior Software Engineer builds and scales an AI-driven SaaS platform for chronic disease management, using Ruby on Rails, Python, and JavaScript frameworks to improve patient care in healthcare settings.
Senior full-stack engineer building and modernizing an edtech platform using Ruby on Rails and Hotwire, migrating from Ember.js, with a focus on performance, stability, and continuous delivery.
Freelance AI Tutor specializing in Ruby coding, testing, and AI model training. Daily tasks include coding generation, prompt evaluation, LLM training, and benchmarking AI agents in sandboxed environments across multiple programming languages.
Senior engineer building AI-powered chat features for marketers using TypeScript, React, and LLM APIs, with a focus on reliability and integration into Braze’s product.
Automation QA Engineer (P2–P3) who develops and maintains end-to-end functional test suites using Ruby, performs manual and exploratory testing, and collaborates with international Scrum teams at a health-tech practice management company.
Build and maintain Ruby on Rails applications, modernize monolithic systems, and collaborate on backend features using RSpec, MySQL, and DevOps tools in a team-based environment.
Mid-level Ruby developer building backend-heavy content acquisition systems that crawl online resources and publish structured metadata to a CMS, using Ruby, Rails, Sidekiq, Docker, and Kubernetes.
Backend engineer on GitLab's Duo Chat team building and improving AI-powered chat features using Python, Ruby on Rails, GraphQL, and LangGraph within the GitLab monolith.
Lead the architecture and development of secure, scalable build/deploy systems for Cisco’s FedRAMP High and DoD IL5 environments, focusing on CI/CD, compliance, and developer experience.
At EX Squared LATAM , we are a digital transformation company focused on building innovative, high-impact technology solutions that drive real business value. We partner with top-tier clients across global, regional,…
Timp is seeking a Senior Backend Developer and Tech Lead to build and scale their SaaS platform for fitness and wellness businesses. The role involves leading technical decisions, mentoring the team, and working with Ruby on Rails to develop robust, scalable solutions.
Builds backend systems for crawling, enriching, and publishing legal content via XML; develops monitoring tools and compliance workflows using Ruby/Rails, Sidekiq, and cloud infrastructure.
Karnov Group is seeking a Ruby developer to join their content acquisition team in Stockholm or Copenhagen, focusing on building backend systems for data crawling and content management. The role involves working with Ruby on Rails, Sidekiq, and cloud-based infrastructure to process XML data and support legal research tools.
Build and maintain user-facing features using Svelte SPAs and Ruby on Rails, collaborating across teams to deliver intuitive, accessible mental-health coaching tools.
Build and maintain secure Ruby on Rails APIs for the VA Lighthouse platform, focusing on scalability, security, and government compliance.
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