5,545 Rails jobs
Open roles that use Ruby on Rails for web applications.
Principal Software Engineer - Agentic SOC
Principal Software Engineer to lead Huntress's Agentic SOC: architecting and building production LLM-based agents that autonomously investigate security detections end-to-end, augmenting human analysts. Core stack includes Ruby on Rails, LLM agents, AWS/Azure, Postgres and Redis, with a heavy focus on security, tenant isolation, and evaluation.
Senior Software Engineer- Agentic SOC
Senior Software Engineer on Huntress's Agentic SOC team builds LLM-powered agents that investigate security signals end-to-end, augmenting human analysts. Day-to-day work spans backend systems in Ruby on Rails, LLM tooling (tool use, structured output, evals), Postgres, Redis, and cloud platforms like AWS/Azure.
Staff Software Engineer-ESPM Platform (Ruby / Rails)
What We Do: Cybercrime is growing, and more businesses are getting hit by threats that used to target only the biggest organizations. That pushes defenders like us to operate at the highest level, and it deepens our…
Staff Software Engineer - ISPM Platform (Ruby/Rails)
Builds and scales a new identity security product using Ruby on Rails, working across the stack to prevent identity-based breaches while mentoring junior engineers.
Principal Software Engineer, SIEM (Ruby/Rails)
Principal engineer leading the design and delivery of Huntress’s SIEM platform, building automated threat detection and human-powered hunting features using Ruby on Rails, Postgres, and AI-assisted workflows.
Staff Software Engineer - Core Platform (Ruby/Rails)
A Staff Software Engineer drives the technical vision and architecture of Huntress's Core Platform (authentication, notifications, onboarding, integrations, APIs) while staying hands-on building complex Ruby on Rails features, mentoring engineers, leading ADRs, and solving scaling challenges on AWS/Linux infrastructure.
Senior Technical Recruiter
What We Do: Cybercrime is growing, and more businesses are getting hit by threats that used to target only the biggest organizations. That pushes defenders like us to operate at the highest level, and it deepens our…
Staff Software Engineer - SOC Platform (Ruby/Rails)
Staff Software Engineer providing technical leadership for Huntress' SOC Experience team, building the investigation, triage, remediation, and reporting tools its security analysts use daily. Full-stack Ruby on Rails work with a Hotwire/Stimulus/Turbo front end on AWS, Linux, and Postgres.
Staff Backend Software Engineer
Notabene, a crypto reg-tech making crypto transfers safe, is hiring a Staff Backend Engineer (remote, EMEA) to design and scale its Go-based transaction platform on PostgreSQL and AWS/GCP with Terraform — building for correctness under failure, using AI coding agents daily, writing design docs, mentoring, and joining an on-call rotation. Typically 8+ years backend experience.
Desarrollador Backend
Fully remote Backend Developer for WhatJobs Direct (recruited via Placements24): designs, builds, and maintains server-side logic and APIs, collaborates with frontend and product stakeholders, and optimizes for scalability and security. Core tech: Python/Node/Java/Ruby backends, SQL/NoSQL databases, REST APIs, cloud platforms.
Senior Software Engineer, Core Product (Hybrid)
Senior Software Engineer on Homebase's Core Product team building Scheduling, HR, and Payroll features end to end in Ruby on Rails for its small-business platform. Ships reliable production code, mentors juniors, and works AI-first in a hybrid Toronto office (Tue/Wed in-office).
Power Platform Developer
Builds and maintains business applications, automations, and AI solutions on the Microsoft Power Platform (Power Apps, Power Automate, Power BI), integrating Dataverse, Teams, Microsoft 365, and Fabric, while experimenting with Copilot, Copilot Studio, and AI agents.
Senior Software Engineer
Who we are At Fluxon, we believe that how you build matters as much as what you build. We help businesses navigate their most important technology decisions with confidence, and take responsibility for seeing them…
Senior Software Engineer, Marketplace Optimization
Senior Software Engineer building and operating real-time backend systems that power Upstart's AI-driven lending marketplace, matching borrowers with capital and optimizing offers using distributed services and cloud-native tech.
CDI Développeur mobile React Native
Rattaché(e) à l’équipe technique, vous prenez en charge notre application mobile de diagnostic technique, développée en React Native / Expo. Elle est utilisée sur le terrain par des équipes d’inspection, dans des…
Software Development Engineer III, Fiat Payments (Backend)
Senior backend engineer owning high-throughput fiat payment microservices (Node.js/TypeScript) that move money between traditional banking and crypto rails, using MongoDB, Redis, AWS, and Jenkins in a distributed systems environment.
Power & Mechatronics Engineer (Robotics Hardware & Power Systems)
About Asiacruit Asiacruit is a global talent acquisition and recruitment company that connects skilled professionals with companies across various industries. We help candidates explore career opportunities aligned…
Software Engineer – Mission Control Software
Develop mission-critical Mission Control Software and supporting tools for flight controllers and engineering teams at an aerospace company, primarily using Python and/or Ruby on the backend with modern JavaScript frameworks on the frontend, building scalable distributed systems for real-time data processing.
Hardware Engineer
About Perry Weather Perry Weather is the weather safety standard for organizations that operate outdoors. We combine on-site weather hardware with a software platform that automates alerts, siren activations, and…