-
View all jobs
We are looking for an engineer with practical AI/LLM experience who can build production features in Ruby on Rails.
This role is for someone who has worked with AI tools, LLM APIs, prompts, retrieval/context patterns, or AI-assisted workflows - and who also has the engineering depth to turn those ideas into reliable, tested, maintainable software.
What you'll be working on:
What we're looking for:
To succeed in this role, you'll have:
Why Join OTGS?
This role is for someone who has worked with AI tools, LLM APIs, prompts, retrieval/context patterns, or AI-assisted workflows - and who also has the engineering depth to turn those ideas into reliable, tested, maintainable software.
What you'll be working on:
- Designing and building AI/LLM-assisted product features
- Integrating LLM APIs into Ruby on Rails systems
- Combining AI approaches with business logic, tests, fallbacks, and production safeguards
- Owning features from technical design to production
- Improving reliability, accuracy, consistency, latency, cost, security, and maintainability
- Writing and maintaining automated tests, including unit, integration, and E2E tests
- Debugging production issues and improving system behavior over time
What we're looking for:
To succeed in this role, you'll have:
- Practical experience building with AI/LLM technologies, not just using AI tools casually
- Strong Ruby on Rails experience, ideally at a senior level
- Good judgment about when AI is useful and when simpler engineering is better
- Strong backend skills, including databases, API design, performance, background jobs, and security
- Ability to break down ambiguous problems into clear technical solutions
- CI/CD, background jobs, or AWS experience
- Experience with text-processing, localization, translation, or multilingual products
Why Join OTGS?
- Stable & self-funded: Founded in 2007, 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
Key Skills
Ranked by relevance
ai
ruby
ruby on rails
ai tools
wordpress
aws
Related Jobs
3 roles aligned with this opportunity
View Job Details
Related
Senior DevSecOps Engineer ID69152
2026-07-11
Full-time
Mid-Senior
Slovenia
IT Services
Engineering
View Job Details
Related
Software Engineer - Back End
2026-07-11
Full-time
Not Applicable
Portugal
Business Consulting
Engineering
View Job Details
Related
Senior Backend Engineer – AdTech ID52365
2026-07-04
Full-time
Mid-Senior
Slovenia
IT Services
Engineering
Login to Apply
- Posted
- Jul 11, 2026
- Type
- Full-time
- Level
- Mid-Senior
- Location
- Ljubljana
- Company
- OnTheGoSystems
Industries
IT Services
IT Consulting
Categories
Engineering
Related Jobs
3 roles aligned with this opportunity
View Job Details
Related
Senior DevSecOps Engineer ID69152
2026-07-11
Full-time
Mid-Senior
Slovenia
IT Services
Engineering
View Job Details
Related
Software Engineer - Back End
2026-07-11
Full-time
Not Applicable
Portugal
Business Consulting
Engineering
View Job Details
Related
Senior Backend Engineer – AdTech ID52365
2026-07-04
Full-time
Mid-Senior
Slovenia
IT Services
Engineering