Senior Ruby On Rails Engineer

Senior Ruby on Rails EngineerWe are looking for a Senior Ruby on Rails Engineer to help us build reliable, scalable products and apply AI/LLM technologies where they create real value.This is a hands-on engineering role for someone who can own complex features end to end, make strong technical decisions, and work across backend architecture, production systems, testing, and AI-assisted product development.You should be excited about AI, but pragmatic enough to know when a simple, deterministic solution is better than an LLM call.What you’ll be working on:Owning features from technical design to productionBuilding and maintaining Ruby on Rails systems used at scaleDesigning AI/LLM-assisted features and workflows where they improve product quality or user experienceWorking with LLM APIs, prompts, retrieval/context strategies, and AI-assisted development toolsMaking trade-offs around performance, reliability, cost, latency, security, and maintainabilityWriting and maintaining automated tests, including unit, integration, and E2E testsDebugging production issues and improving system reliabilityWhat we’re looking for:To succeed in this role, you’ll have:Strong professional experience with Ruby on Rails , ideally at senior levelExperience building and running production systems used by real customersStrong backend skills , including databases, API design, performance, background jobs, and security;Ability to break down ambiguous problems and propose practical technical solutionsHands-on interest or experience with AI/LLM technologies,Good judgment about when to use AI and when simpler engineering approaches are betterStrong testing habits and care for long-term code qualityA responsible, curious, flexible mindset: willing to debug, deploy, investigate, learn, and own outcomesNice to have:Experience with ReactCI/CD, background jobs, or AWS experienceExperience building AI-powered product features in productionFamiliarity with embeddings, vector search, RAG, evals, or LLM observabilityExperience with text-processing, localization, translation, or multilingual productsWhy Join OTGS ?Stable & self-funded: Founded in **, profitable, and independent.Industry leaders: Creators of WPML , the #1 multilingual plugin for WordPress, used on 1.5M+ sitesFully remote, async-friendly: Work from anywhere within EMEA hoursEngineering-driven culture: Ownership, autonomy, testing, and thoughtful problem-solvingFair compensation and great benefits: Designed to support your well-being both inside and outside of work.Want to make a lasting impact on a product used by thousands of real customers? We would love to hear from you.

To succeed in this role, you’ll have: Strong professional experience with Ruby on Rails , ideally at senior level Experience building and running production systems used by real customers Strong backend skills , including databases, API design, performance, background jobs, and security; Ability to break down ambiguous problems and propose practical technical solutions Hands-on interest or experience with AI/LLM technologies, Good judgment about when to use AI and when simpler engineering approaches are better Strong testing habits and care for long-term code quality A responsible, curious, flexible mindset: willing to debug, deploy, investigate, learn, and own outcomes Nice to have: Experience with React CI/CD, background jobs, or AWS experience Experience building AI-powered product features in production Familiarity with embeddings, vector search, RAG, evals, or LLM observability Experience with text-processing, localization, translation, or multilingual products

Why Join OTGS ? Stable & self-funded: Founded in **, profitable, and independent. Industry leaders: Creators of WPML , the #1 multilingual plugin for WordPress, used on 1.5M+ sites Fully remote, async-friendly: Work from anywhere within EMEA hours Engineering-driven culture: Ownership, autonomy, testing, and thoughtful problem-solving Fair compensation and great benefits: Designed to support your well-being both inside and outside of work. Want to make a lasting impact on a product used by thousands of real customers? We would love to hear from you.