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14 Days AgoSaved
Remote
România
Senior level
Senior level
Artificial Intelligence • Machine Learning • Natural Language Processing • Software
Build and own AI/LLM-assisted product features in Ruby on Rails: integrate LLM APIs, design robust backend systems with tests, fallbacks, and safeguards, improve reliability/latency/cost/security, and debug production issues.
Top Skills: Api DesignAutomated Testing (UnitAWSBackground JobsCi/CdDatabasesE2E)IntegrationLlm ApisLocalizationPromptsRetrieval/Context Patterns (Rag)Ruby On RailsText-ProcessingTranslation
14 Days AgoSaved
Remote
România
Senior level
Senior level
Artificial Intelligence • Machine Learning • Natural Language Processing • Software
Senior backend engineer owning feature implementation to production, building and maintaining Ruby on Rails systems at scale, writing automated tests (unit, integration, E2E), improving performance and reliability, and collaborating with product and engineers while working autonomously during EMEA hours.
Top Skills: Automated Tests (UnitDatabasesE2E)IntegrationRubyRuby On RailsWeb Apis
14 Days AgoSaved
Remote
Poland
Senior level
Senior level
Artificial Intelligence • Machine Learning • Natural Language Processing • Software
Build and own AI/LLM-assisted features in Ruby on Rails: integrate LLM APIs, implement retrieval/context patterns and prompts, ensure reliability, tests, fallbacks, performance, security, and production operability.
Top Skills: Ai/LlmLlm ApisPromptsRetrieval/Context PatternsRuby On Rails
14 Days AgoSaved
Remote
Portugal
Senior level
Senior level
Artificial Intelligence • Machine Learning • Natural Language Processing • Software
Build and productionize core AI systems using Python, OpenAI APIs, embeddings and vector databases. Implement multi-agent frameworks, async pipelines, background jobs, PostgreSQL, Docker and GitLab CI. Deliver clean API integrations with strong testing, logging, and monitoring. Work independently and with distributed teams to influence architecture and ship reliable systems.
Top Skills: APIsAsync PipelinesBackground Job ProcessingCrewaiDockerEmbeddingsGitlab CiIntegration TestingLoggingMonitoringMulti-Agent FrameworksOpenai ApiPostgresPythonSQLUnit TestingVector Databases
14 Days AgoSaved
Remote
Serbia
Mid level
Mid level
Artificial Intelligence • Machine Learning • Natural Language Processing • Software
Design and build production AI systems: integrate OpenAI APIs, embeddings, and vector DBs; implement async pipelines and background jobs; ensure robust SQL/Postgres integrations, Docker CI, testing, logging, and monitoring; collaborate with distributed teams to turn open-ended goals into reliable production services.
Top Skills: APIsAsync PipelinesBackground Job ProcessingCrewaiDockerEmbeddingsGitlab CiIntegration TestingLoggingMonitoringOpenai ApiPostgresPythonSQLUnit TestingVector Databases
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14 Days AgoSaved
Remote
Argentina
Senior level
Senior level
Artificial Intelligence • Machine Learning • Natural Language Processing • Software
Develop and maintain WPML plugin features, diagnose and fix customer issues, improve product reliability, write tests and clean code, and deepen expertise in PHP, WordPress, performance, and modern tooling while supporting clients and influencing the roadmap.
Top Skills: MySQLPHPReactWordpressWpml
14 Days AgoSaved
Remote
Portugal
Senior level
Senior level
Artificial Intelligence • Machine Learning • Natural Language Processing • Software
Build and own AI/LLM-assisted product features in Ruby on Rails: integrate LLM APIs, implement prompts and retrieval patterns, ensure reliability, security, and performance, write automated tests, debug production issues, and improve system behavior over time.
Top Skills: Automated Testing (UnitBackground JobsDatabasesE2E)IntegrationLlm ApisPrompt EngineeringRest ApisRetrieval-Augmented Generation (Rag)RubyRuby On RailsSecurity
14 Days AgoSaved
Remote
Ukraine
Mid level
Mid level
Artificial Intelligence • Machine Learning • Natural Language Processing • Software
Build production-ready AI systems using Python, OpenAI APIs, embeddings and vector databases. Implement async pipelines, background jobs, PostgreSQL-backed storage, Dockerized deployments with GitLab CI, and robust testing, logging, and API integrations while collaborating with distributed teams.
Top Skills: APIsCrewaiDockerEmbeddingsGitlab CiOpenai ApiPostgresPythonSQLVector Databases
14 Days AgoSaved
Remote
Morocco
Senior level
Senior level
Artificial Intelligence • Machine Learning • Natural Language Processing • Software
Develop and maintain the WPML WordPress plugin: deliver new features, strengthen components, diagnose and fix bugs, support clients, write tests, improve performance, and feed user-driven product improvements.
Top Skills: PHPWordpressWpml
14 Days AgoSaved
Remote
Poland
Senior level
Senior level
Artificial Intelligence • Machine Learning • Natural Language Processing • Software
Senior backend engineer owning feature implementation to production. Build and maintain Ruby on Rails systems, write unit/integration/E2E tests, improve performance and reliability, collaborate with product and engineers, and ensure long-term code quality.
Top Skills: Automated TestingDatabasesEnd-To-End TestingRubyRuby On RailsWeb Apis
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