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Ruby on Rails Engineer – Civic AI & Open Data Platform
Builds features for an open-data platform that tracks public procurement, using Ruby on Rails in a small team focused on civic engagement.
Data Operations & Technical Support Engineer
Factorial is seeking a Technical Support & Data Operations Engineer to bridge Customer Experience and Core Engineering. You will diagnose and fix bugs directly in our codebase (Ruby, Python, Java) and drive robust…
Technical Support & Data Operations Engineer
Technical Support & Data Operations Engineer As a Technical Support & Data Operations Engineer, you’ll bridge the gap between our Customer Experience and Core Engineering teams. Your primary mission is product…
Full-Stack AI Tooling Engineer — Product Vision & Equity
Build and ship full-stack AI tooling for mobility, using Ruby on Rails, React/Next.js, and Python to process real-world data and orchestrate agents.
Senior Full-Stack Engineer - AI-Powered EdTech & Compliance
Senior Ruby on Rails engineer building an international eLearning platform, designing APIs, and shipping production features with a focus on performance and accessibility.
Senior Full-Stack Engineer — Rails/React & UX Impact
Build and maintain full-stack web apps using Ruby on Rails or Express/Node.js, React, and PostgreSQL to power workforce management solutions.
Remote Senior Full-Stack Dev (Freelance) - Rails & React
Architects scalable React frontends and Ruby on Rails backend services for an international e-commerce group, designing high-performance APIs and contributing to a CMS with complex supplier integrations.
Remote Full-Stack Engineer — GenAI Platform, Equity
Build and deploy production-ready features for a generative AI platform using Ruby on Rails and React in a remote role.
Full Stack Engineer
Build and ship production-scale GenAI systems and full-stack features using Ruby on Rails, React, TypeScript, and PostgreSQL for a Series B AI startup.
Full Stack Development (Internship)
Build and ship full-stack features with JavaScript/TypeScript (Node, React) in a cross-functional team, iterating from concept to polished product.
Full-Stack Developer (Rails/React) – Hybrid Barcelona
Builds and optimizes e-commerce platforms using Ruby on Rails and React, contributing to a custom CMS in a hybrid Barcelona office.
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Amazon Web Services (AWS) Systems Engineer/DevOps Eng, ESC Managed Operations
Build and lead operations for AWS’s new European Sovereign Cloud, automating and scaling high-availability services like EC2, S3, and Lambda while on a 24x7 on-call rotation.
Full Stack Developer
Build and optimize React frontends and Ruby on Rails backends for an in-house e-commerce CMS, improving order flows, APIs, and supplier integrations while mentoring peers.
Full Stack Developer
Build and maintain full-stack web apps for wealth management using Angular frontends and Java Spring Boot backends, while collaborating in agile teams to deliver scalable digital banking solutions.
Senior Full Stack Developer
Builds and maintains a wealth-management web app using Angular/React frontends, Java/Spring Boot/Go backends, and cloud/AWS/Azure DevOps pipelines.
DevOps - Infrastructure Engineer
Maintain and evolve AWS and Hetzner Cloud infrastructure, automate deployments with Kubernetes and Terraform, and improve CI/CD pipelines for a Rails/Node.js SaaS used by Spanish SMEs.
DevOps ENGINEER (M/F/D)
Own and optimize the Azure-based infrastructure and CI/CD pipelines for Canyon’s e-commerce apps, using Terraform and DevOps tooling to automate deployments and improve reliability.
Senior Backend Developer & Tech Lead en Timp
Lead backend development for Timp, a SaaS platform that helps wellness businesses manage bookings, payments and schedules using Ruby on Rails, APIs and scalable architecture.
Backend Senior Developer (Ruby on Rails)
Build and maintain a SaaS platform for freelancers and SMEs using Ruby on Rails, improving features and scalability for thousands of daily users.