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Reposted 14 Days AgoSaved
Remote
Estonia
Senior level
Senior level
Information Technology • Consulting
Senior full-stack engineer to build and own customer-facing web features across frontend and backend. Design APIs and data models, ship production-ready Rails/React applications, integrate AI-powered features, instrument analytics, improve performance and reliability, and mentor engineers. Collaborate with product and design and operate within US timezone hours.
Top Skills: A/B TestingAi/Ml ServicesAWSCi/CdClaude CodeCopilotInfrastructure-As-CodeLlmsObservability ToolingReactRelational DatabasesRestful ApisRuby On Rails
Reposted 14 Days AgoSaved
Remote
North Macedonia
Senior level
Senior level
Information Technology • Consulting
Build and own end-to-end customer-facing web features across frontend and backend. Design RESTful APIs and data models, ship production-ready Rails and React code, instrument analytics and observability, integrate AI features, mentor engineers, and improve performance, reliability, and development processes.
Top Skills: A/B TestingAlerting)AnalyticsAWSCi/CdClaude CodeGithub CopilotInfrastructure-As-CodeJavaScriptLlms/Ai/Ml ServicesMonitoringObservability (LoggingReactRelational DatabasesRestful ApisRubyRuby On RailsSQL
Reposted 14 Days AgoSaved
In-Office or Remote
2 Locations
Senior level
Senior level
Information Technology • Consulting
Build and own end-to-end customer-facing web features across frontend and backend. Design APIs and data models, ship production-ready code, integrate AI features, instrument analytics, ensure accessibility and performance, collaborate with product/design, and mentor engineers.
Top Skills: A/B TestingAlerting)AWSCi/CdClaude CodeCopilotInfrastructure-As-CodeLlms/Ai-Ml ServicesMonitoringObservability (LoggingReactRelational Databases (Sql)Restful ApisRuby On Rails
Reposted 14 Days AgoSaved
Remote
România
Senior level
Senior level
Information Technology • Consulting
Senior full-stack engineer to build and ship customer-facing web features end-to-end using React and Ruby on Rails. Design APIs and data models, deliver polished accessible frontends, integrate AI-powered features, instrument analytics, improve performance and reliability, and mentor other engineers.
Top Skills: A/B TestingAccessibilityAi/Ml ServicesAlerting)AnalyticsAWSCi/CdClaude CodeGithub CopilotInfrastructure-As-CodeJavaScriptLlmsMonitoringObservability (LoggingPersonalizationReactRelational DatabasesResponsive DesignRestful ApisRuby On RailsSQL
Reposted 14 Days AgoSaved
Remote
Portugal
Senior level
Senior level
Information Technology • Consulting
Senior full‑stack engineer responsible for end-to-end feature delivery across frontend and backend, designing APIs and data models, building accessible UI, integrating AI features, instrumenting analytics, improving reliability and performance, and mentoring teammates while collaborating with product and design.
Top Skills: A/B TestingAlerting)AWSCi/CdClaude CodeGithub CopilotInfrastructure-As-CodeLlms/Ai ServicesMonitoringObservability Tooling (LoggingReactRestful ApisRuby On RailsSql (Relational Databases)
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Reposted 14 Days AgoSaved
Remote
Poland
Senior level
Senior level
Information Technology • Consulting
Build and ship end-to-end customer-facing features across frontend and backend using React and Ruby on Rails; design APIs and data models; integrate AI-powered features; instrument analytics and observability; mentor engineers; own performance, reliability, and production delivery.
Top Skills: A/B TestingAccessibilityAi/Ml ServicesAlerting)AnalyticsAWSCi/CdClaude CodeCross-Browser CompatibilityCSSGithub CopilotHTMLInfrastructure As CodeJavaScriptLlmsMonitoringObservability (LoggingPersonalizationReactRelational DatabasesResponsive DesignRestful ApisRubyRuby On RailsSQL
Reposted 14 Days AgoSaved
Remote
Serbia
Senior level
Senior level
Information Technology • Consulting
Senior full-stack engineer to design, build, and ship frontend and backend features for a compliance/eLearning platform. Own APIs, data models, UI/UX, performance, observability, and CI/CD; integrate AI features and mentor other engineers while collaborating with product and design.
Top Skills: A/B TestingAlerting)AnalyticsAWSCi/CdClaude CodeGithub CopilotInfrastructure-As-CodeLlms/Ai-Ml ServicesMonitoringObservability Tooling (LoggingReactRelational DatabasesRestful ApisRuby On Rails
Reposted 14 Days AgoSaved
Remote
Bulgaria
Senior level
Senior level
Information Technology • Consulting
Senior full-stack engineer to build and own customer-facing web features across frontend (React) and backend (Rails). Design APIs and data models, ship AI-powered features, instrument analytics, improve performance and reliability, mentor engineers, and work closely with product and design while operating in US time zones.
Top Skills: A/B TestingAccessibilityAi/Ml ServicesAlerting)AnalyticsAWSCi/CdClaude CodeCross-Browser CompatibilityGithub CopilotInfrastructure-As-CodeLlmsMonitoringObservability (LoggingReactRelational DatabasesResponsive DesignRestful ApisRuby On Rails
Reposted 14 Days AgoSaved
Remote
Croatia
Senior level
Senior level
Information Technology • Consulting
Build and own end-to-end features for a compliance eLearning platform: design APIs and data models, implement polished accessible frontends with React, maintain backend services with Ruby on Rails, integrate AI/LLM features, instrument analytics and observability, mentor engineers, and drive reliability and performance improvements.
Top Skills: A/B TestingAi/Ml ServicesAlerting)AWSCi/CdClaude CodeGithub CopilotInfrastructure-As-CodeLlmsMonitoringObservability (LoggingReactRelational DatabasesRestful ApisRuby On RailsSQL
Reposted 14 Days AgoSaved
Remote
Lithuania
Senior level
Senior level
Information Technology • Consulting
Senior full-stack engineer building and shipping customer-facing eLearning features across frontend and backend. Own end-to-end features, design APIs and data models, ensure performance and accessibility, integrate AI-powered capabilities, instrument analytics, improve reliability, mentor engineers, and collaborate with product and design to deliver production-quality solutions.
Top Skills: A/B TestingAWSCi/CdClaude CodeGithub CopilotInfrastructure-As-CodeLlms/Ai/Ml ServicesObservability (Logging/Monitoring/Alerting)PersonalizationReactRelational DatabasesRestful ApisRuby On RailsSQL
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