Mid-Level Ruby Developer
Lean TechColombia
Posted December 5, 2025
Full Time
About the Company
Lean Tech, part of Lean Solutions Group, specializes in innovation-led technology solutions to enhance quality and productivity. Offering development, logistics, automation, software, education, machine learning, RPA, and project management services, Lean Tech empowers businesses and professionals with cutting-edge tools and processes. Our commitment to evolving the tech landscape sets us apart as a leader in driving efficiency and excellence.
Job Description
We are looking for a Mid-Level Ruby Developer to join our backend engineering team. You will focus on building robust business logic, optimizing database interactions, and designing clean APIs.
Requirements
- 3+ years of backend development experience
- Ruby Mastery
- Frameworks: Strong proficiency with Ruby on Rails (or experience with Hanami/Sinatra/Grape)
- Data Persistence: You are comfortable with raw SQL and ActiveRecord. You understand database normalization and indexing strategies
- Testing Mindset: Experience with TDD/BDD workflows using RSpec, FactoryBot, and Capybara
- Tooling: Proficiency with Git, Docker, and command-line tools
