5,476 Rails jobs
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Senior Backend Engineer (AI Product Engineering)
Senior backend-focused product engineer on Recruitee/Tellent's Intelligence team, building AI-powered features into the Tellent recruiting suite end to end. Work is mostly backend (Elixir) with TypeScript/Mastra for AI, collaborating with frontend, design, QA, and DevOps in a hybrid office setup.
Senior Software Engineer, Membership Experience
Senior full-stack engineer on Chime's Membership team, building and scaling features for membership benefits, rewards, and member engagement in the Chime mobile app. Works end-to-end across Ruby on Rails backend services and React/React Native front ends, with a metrics-driven, experimentation-heavy approach.
Full Stack Developer
Full Stack Developer on QualityAI's Fund Accounting engineering team in Oeiras (Lisbon area), Portugal, building the Ruby on Rails + React/Redux platforms that automate fund accounting workflows for hedge funds, private equity firms, and fund administrators. Work spans backend (Ruby 3.3/Rails 8), frontend, and testing with RSpec/Cucumber/Capybara.
FullStack DataOps Engineer
At Capgemini's Data Platforms team in Birmingham (hybrid), you'd build data pipelines and the applications on top of them: Spark/Airflow/dbt pipelines, React front ends, Java/Node.js APIs and microservices, plus GenAI/RAG features, deployed via CI/CD on Kubernetes/OpenShift across AWS, Azure and GCP. UK SC clearance eligibility is required.
Senior Software Engineer, Privacy
Senior software engineer on Paramount's Privacy engineering team, building and maintaining scalable privacy tools and infrastructure across web, mobile, and connected TV platforms while translating GDPR/CCPA regulations into engineering requirements and automating compliance and consent-platform testing. Core tech: JavaScript/TypeScript, Python/Ruby, AWS/GCP.
Extrusion Die & Tooling Designer
Job Summary We are seeking a skilled Extrusion Die & Tooling Designer to design, develop, and continuously improve the extrusion dies, calibrators, and downstream tooling used to manufacture our PVC vinyl fence &…
Canvas LMS Frontend Developer (ReactJS, TypeScript)
Frontend developer customizing Canvas LMS for Edufit's education group in Hanoi: building/extending React+TypeScript UI (courses, gradebook, quizzes, themes), LTI tool frontends, REST/OAuth2/Keycloak SSO integrations, plus tests, performance tuning, and upstream Canvas upgrades.
Web Developer
Web Developer on the Ohio State University College of Arts and Sciences IT team, building and maintaining Ruby on Rails and PHP web applications. Day to day: gather needs from faculty and staff, design and implement sites to spec, troubleshoot existing apps, monitor performance, and ensure accessibility and regulatory compliance.
Senior Software Engineer (Backend oriented) (Bogota)
Senior backend engineer at Félix, a Series C fintech building AI-powered remittances and financial services for Latinos in the US. You'll design and scale Python/FastAPI microservices in a Payments, Disbursements, or GRC (KYC/compliance) squad on Google Cloud, Kubernetes, and Terraform.
Senior Software Engineer (Backend oriented) (Buenos Aires)
Senior backend engineer at Félix, a Series C fintech building an AI-powered financial companion (remittances, soon credit/savings/wallet) for Latinos in the US. You'll architect and scale Python microservices (Flask/FastAPI, REST, gRPC, Redis, SQL) on Google Cloud within the Payments, Disbursements, or GRC squad, working fully remote.
Senior Software Engineer (Backend oriented) (CDMX)
Senior backend engineer at Félix, a Series C fintech building AI-powered cross-border remittances and financial services for Latinos in the US. You'll architect and scale Python microservices (Flask/FastAPI, REST, Redis, gRPC) on Google Cloud and Kubernetes within the Payments, Disbursements, or GRC squad.
Gestionnaire en Fiscalité | Tax Manager
ABOUT VALSOFT VENTURES Valsoft is a Montreal-based company that acquires and grows vertical market software businesses, with a portfolio of 140+ companies that spans dozens of industries and countries. Valsoft Ventures…
Staff+ Software Engineer, Backend
Builds and scales backend systems for AI products like the Claude API, focusing on reliability, scalability, and developer experience while collaborating with research and product teams.
Senior Software Engineer (Backend oriented) (Buenos Aires)
Senior backend engineer at Félix, a Series C fintech building a financial companion for Latinos in the US (remittances, credit, savings). You'd design and scale Python microservices on Google Cloud (Kubernetes, Terraform) in the Payments, Disbursements, or GRC/KYC compliance squad.
Senior Software Engineer (Backend oriented) (Guadalajara)
Félix, a Series C fintech serving Latino immigrants in the US with AI- and crypto-powered remittances, seeks a Senior Backend Engineer in Guadalajara to build and scale Python microservices on Google Cloud within its Payments, Disbursements, or GRC (KYC/compliance) squads.
Senior Software Developer
Senior full-stack developer at Thanx, a restaurant loyalty and guest-engagement (CRM) platform. You build scalable software across the stack (primarily Ruby on Rails and React), use AI-augmented workflows like Claude Code daily, fix bugs, join on-call rotations, and review code — remote within Canada.
Senior Software Engineer (Backend oriented) (CDMX)
Senior backend engineer at Félix, a Series C fintech building remittance and financial services for Latinos in the US. You'll architect and scale Python microservices in a Payments, Disbursements, or GRC (KYC/compliance) squad, using Google Cloud, Kubernetes, Terraform, and REST/gRPC APIs.
Business Development Lead, Agentic Commerce
About the Company Rain is the global stablecoin payments platform for enterprises, neobanks, platforms, developers, and AI agents. Our technology allows partners to move, store, and use stablecoins instantly and…
Software Engineer I, Promotions
Entry-level (1-3 yrs) full-stack engineer on Handshake's Promotions team, building systems for promoted-content delivery, auctions, event tracking, applicant attribution, and analytics. Onsite 5 days/week in San Francisco, working with Ruby on Rails, Go, or Python.