210 rails jobs at 78 companies in Colorado
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CRO & Data-Rails Lead
Denver, Colorado, United States
$120k-$135k/yr RemoteFull Time
Experience in CRO, funnel analytics, experimentation, and event taxonomy; ability to define event taxonomies, validate tracking, partner with engineering, and produce weekly funnel readouts.
Mixpanel, GA4, Segment, BigQuery, Northbeam, Google Tag Manager
2w
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Rail Engineer
Kansas City or St. Louis or Springfield or Houston or Loveland or Salina or Fort Worth or San Bernardino or Omaha or Corpus Christi or El Paso or Colorado Springs or Salt Lake City or Wichita or Las Cruces or Rio Rancho or Denver or Albuquerque or Phoenix
$60k-$90k/yr OnsiteFull Time
3+ YOEBachelor's in civil engineering preferred; E.I.T. required or obtainable within 6 months; PE preferred; 3+ years rail/track/transportation design experience preferred; valid driver’s license; proficiency with rail/civil design software.
MicroStation, OpenRail Designer, AutoCAD, Civil 3D, OpenRoads Designer, CADD
2w
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Staff Software Engineer, HR Experiences
Denver or San Francisco or New York City
$199k-$247k/yr HybridFull Time
8+ YOE8+ years software development experience; experience with Ruby on Rails, JavaScript/React; building AI agents; mentoring engineers; compliance-domain experience preferred.
Ruby on Rails, JavaScript, React, Claude Code, Codex
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Staff Software Engineer, Platform
Arkansas or California or Colorado or Connecticut or Florida or Illinois or Louisiana or Massachusetts or Michigan or Minnesota or New Jersey or New York or North Carolina or Ohio or Oregon or Pennsylvania or Tennessee or Texas or Virginia or Washington or Wisconsin
$163k-$185k/yr RemoteFull Time
10+ YOE10+ years software engineering experience; expert Ruby on Rails and React; deep Kubernetes, Docker, AWS, CI/CD, distributed systems, API design, and production reliability experience.
Ruby on Rails, React, Kubernetes, Docker, AWS, CI/CD, Terraform, Helm, RabbitMQ, SQS, NATS, Stripe, SQL
3mo
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Principal Engineer
Denver, Colorado, United States
$180k-$200k/yr HybridFull Time
10+ YOE10+ years in technical leadership; BA/BS in Computer Science; Ruby/Rails, TypeScript/React, Go, Python; AI-native workflow experience; agentic apps; scaling complex products.
Ruby, Rails, TypeScript, React, Go, Python, AI tooling
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Future Opportunities: Staff Software Engineer - Fuze Health
United States or Alabama or Arizona or Arkansas or California or Colorado or Connecticut or Florida or Georgia or Hawaii or Idaho or Illinois or Indiana or Iowa or Kansas or Kentucky or Maryland or Massachusetts or Michigan or Minnesota or Missouri or Nevada or New Hampshire or New Jersey or New Mexico or New York or North Carolina or Ohio or Oklahoma or Oregon or Pennsylvania or Rhode Island or South Carolina or Tennessee or Texas or Vermont or Virginia or Washington or Wisconsin
$178k-$223k/yr RemoteFull Time
8+ YOE8+ years software engineering experience with 3+ years as a tech lead/architect; expertise in Ruby on Rails or Python, PostgreSQL, TypeScript/JavaScript, and AWS; bachelor’s in CS or related field (or equivalent).
Ruby on Rails, Python, PostgreSQL, TypeScript, JavaScript, AWS, ECS, RDS, Lambda, VPC, EHR
2w
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Senior Software Engineer
Denver or United States
$140k-$150k/yr RemoteFull Time
5+ YOE5+ years building production software, strong spec authoring and written communication, Rails/full-stack experience, AI-assisted development fluency (Claude Code), ownership and mentorship experience.
Claude Code, Ruby on Rails, Postgres, ElasticSearch, ActiveJob, AWS SQS, Sidekiq, AWS, TypeScript, React, React Native, Chrome
5d
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Principal Engineer
California or Maryland or Texas or United States or Alabama or Arizona or Arkansas or Colorado or Connecticut or Florida or Georgia or Hawaii or Idaho or Illinois or Indiana or Iowa or Kansas or Kentucky or Massachusetts or Michigan or Minnesota or Missouri or Nevada or New Hampshire or New Jersey or New Mexico or New York or North Carolina or Ohio or Oklahoma or Oregon or Pennsylvania or Rhode Island or South Carolina or Tennessee or Vermont or Virginia or Washington or Wisconsin
$210k-$262k/yr RemoteFull Time
10+ YOEBachelor's degree and 10+ years of software engineering experience, including 3+ years at Staff or Principal level. Requires distributed systems expertise and AWS, PostgreSQL, Ruby on Rails, Python, TypeScript, and JavaScript.
AWS, PostgreSQL, Ruby on Rails, Python, TypeScript, JavaScript, Slack, Google Workspace, Jira, HIPAA, SOC 2, HL7, FHIR, NCPDP, EHR
3w
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Software Developer - InfoTrack Exchange, ServeManager
Denver, Colorado, United States
$75k-$135k/yr HybridFull Time
5+ YOE5+ years Ruby on Rails and full-stack web development, 5+ years JavaScript and PostgreSQL experience, experience with AI coding assistants and agentic workflows, strong QA/testing and communication skills.
Ruby on Rails, JavaScript, Stimulus, Turbo, PostgreSQL, Claude Code, Cursor, Copilot, Stripe, Maxio, RESTful API
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Staff Software Engineer
Broomfield, Colorado, United States
$145k-$185k/yr HybridFull Time
10+ YOE10+ years full‑stack software engineering experience; deep Ruby on Rails and Vue.js expertise; API and MySQL proficiency; proven technical leadership and mentoring; experience with AI-assisted development tools.
Ruby on Rails, ActiveRecord, Vue.js, MySQL, GitHub Copilot, Cursor, Claude Code, Go (Golang), Node.js, Anthropic, OpenAI, AWS, OpenSearch, Redis, Kafka, Docker, CI/CD
1w
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Senior Software Engineer
San Francisco or Denver or Nashville or Santiago
$185k-$218k/yr HybridFull Time
5+ YOEBS/MS in CS or engineering,5+ years full-stack experience,knowledge of Ruby (Rails) and Javascript (React),startup experience,ability to build scalable APIs and own end-to-end product delivery.
Ruby (Rails), Javascript (React), container orchestration, observability tooling, scrapers
2mo
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Software/Senior Engineer (Ruby)
Alabama or Arizona or California or Colorado or Connecticut or District of Columbia or Delaware or Florida or Georgia or Illinois or Louisiana or Maine or Maryland or Massachusetts or Michigan or Minnesota or Missouri or Nevada or North Carolina or New Jersey or New York or Ohio or Oklahoma or Oregon or Pennsylvania or Rhode Island or South Carolina or Texas or Tennessee or Utah or Virginia or Washington or Wisconsin
$136k-$153k/yr RemoteFull Time
5+ YOE5+ years full-stack engineering experience with Ruby/Rails and Typescript, experience building large-scale web systems, automated testing, code quality tools, system design, strong communication and collaboration.
Ruby, Ruby on Rails, Typescript, Linter, LinkedIn Learning
2mo
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Senior Software Engineer
United States or California or Colorado or Hawaii or Illinois or Maryland or Minnesota or New Jersey or New York or New York City or Vermont or Washington or Washington
$150k-$180k/yr RemoteFull Time
5+ YOE5+ years software development experience; deep expertise in software architecture, system design, scalability, cloud-native design, security; proficiency with Ruby on Rails, React, AWS, and PostgreSQL; strong communication and mentoring skills.
Ruby on Rails, React, AWS, PostgreSQL
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Senior Fullstack Engineer (Freelance)
Paris or Montpellier or London or Denver
€520/day RemoteContract
5+ YOE5+ years shipping full-stack product; fluent in React/TypeScript; strong backend foundations (relational DBs, distributed systems, observability, security); Ruby on Rails a plus; strong testing, ownership, and communication skills.
GraphQL, React, TypeScript, Ruby on Rails, CI/CD
2w
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Staff Engineer, Revenue Cycle
Denver or Dallas or Salt Lake City or Atlanta or Miami or Seattle or Boston or Portland or Austin or Durham or Tampa or Scottsdale
$165k-$180k/yr RemoteFull Time
8+ YOE8+ years building web services or full-stack applications; strong hands-on experience with Ruby/Rails, TypeScript/Node, Python, APIs, PostgreSQL, and MongoDB; mentoring and technical leadership experience; familiarity with LLM/AI toolchains preferred.
Ruby/Rails, TypeScript/Node, Python, MongoDB, PostgreSQL, RESTful, gRPC, Gemini, ChatGPT, Claude, GitHub Copilot, Langchain, Langgraph, LLMs
1w
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Engineer-in-Training: Transit and Rail
Denver or College Station
$70k-$95k/yr HybridFull Time
0+ YOEBachelor's degree in civil engineering or civil engineering technology; 0–3 years of freight rail design experience; EIT certification or ability to obtain within six months; willingness to travel up to 25%.
AutoCAD Civil 3D, Bentley OpenRoads, Bentley OpenRail, Microsoft Office
1w
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Sr. GIS Partner Manager - Utilities, Telecom, Rail
Redlands or Charlotte or Denver
$107k-$182k/yr OnsiteFull Time
5+ YOERequires 5+ years of enterprise sales, consulting, or program management experience; channel management expertise; industry experience in utilities, telecom, or rail; travel availability; and a relevant bachelor's degree.
CRM
3mo
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Rolling Stock Electrical Services Senior/Principal Consultant
Los Angeles or Boston or Dallas or Chicago or Bothell or Orlando or Denver or Washington
$130k-$216k/yr OnsiteFull Time
10+ YOEDegree in Electrical Engineering; 10+ years rail experience; PE desirable; English proficiency.
3mo
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Railroad Safety Inspector (Track)- DIRECT HIRE- SME
Los Angeles or Denver or Pueblo or Atlanta or Des Moines or Baltimore or Saint Louis
$102k-$133k/yr OnsiteFull Time
Inspect railroad track safety, conduct inspections and investigations, prepare reports; work with rail managers and unions.
2mo
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Senior Cost Estimator
Denver or Los Angeles or Seattle
$140k-$175k/yr HybridFull Time
10+ YOEBachelor's in engineering or construction management, 10+ years estimating experience in transportation (rail, highway, aviation), proficiency with HCSS HeavyBid, Bluebeam, Agtek, and familiarity with FTA guidelines.
HCSS HeavyBid, Bluebeam, Agtek
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