> Markdown version of [/jobs/ext/2724475-back-end-developer](https://www.wearedevelopers.com/jobs/ext/2724475-back-end-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Back End Developer - **Company:** Finlink - **Location:** Valencia, Spain - **Contract:** Permanent contract - **Skills:** Code Review, Relational Databases, PostgreSQL, Node.Js, Ruby on Rails, Redis, ReactJS, AngularJS, Restful APIs - **Published:** September 5, 2026 - **Apply:** https://startup.jobs/ruby-back-end-developer-m-f-d-realizon-8218684 ## About the Role * 3+ years of professional experience in Ruby on Rails * Experience building RESTful APIs * Great practical knowledge of ActiveRecord and Relational Databases (PostgreSQL or similar) * Commitment to writing clean and well tested code * Experience with any: ActionCable, Sidekiq, Redis is a plus * The ability to share and receive direct feedback with empathy and EQ * Very good communication skills in English (our office language) * Desire to work in a polyglot ecosystem (Ruby on Rails, Angular, NodeJS, React) ## Description * Working as a Back End developer, building a set of new features and RESTful APIs using Ruby on Rails * Contributing to and enforcing great coding practices through code reviews * Collaborating with the Back End chapter to constantly improve overall architecture and stability of the product * Working closely with other squads to integrate the new functionality into the existing system * Sharing knowledge with your colleagues during regular Knowledge Sharing sessions ## Related Videos - [Watch Tests Go Brrrr! : Getting Started with Cypress in ReactJS](https://www.wearedevelopers.com/videos/282-watch-tests-go-brrrr-getting-started-with-cypress-in-reactjs) - [Stop using Node.js like in 2020! What changed and what you can do today with Node.js](https://www.wearedevelopers.com/videos/100011-stop-using-node-js-like-in-2020-what-changed-and-what-you-can-do-today-with-node-js) - [Reducing LLM Calls with Vector Search Patterns - Raphael De Lio (Redis)](https://www.wearedevelopers.com/videos/1714-reducing-llm-calls-with-vector-search-patterns-raphael-de-lio-redis) - [Meet Your New BFF: Backend to Frontend without the Duct Tape](https://www.wearedevelopers.com/videos/682-meet-your-new-bff-backend-to-frontend-without-the-duct-tape) - [Stop Using Node.js Like It’s 2020! - Alfonso Graziano](https://www.wearedevelopers.com/videos/1863-stop-using-node-js-like-it-s-2020-alfonso-graziano) - [Build and Deploy a Fullstack App with Open Source Tooling](https://www.wearedevelopers.com/videos/775-build-and-deploy-a-fullstack-app-with-open-source-tooling) ## Related Articles - [The 7 Most Popular Backend Frameworks for Developers](https://www.wearedevelopers.com/magazine/403-the-7-most-popular-backend-frameworks-for-developers) - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [What’s the Difference Between Frontend and Backend Development?](https://www.wearedevelopers.com/magazine/240-what-s-the-difference-between-frontend-and-backend-development) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers)