Senior Backend Engineer (Ruby on Rails) - Remote

Who We Are
Persado provides the only Motivation AI platform that generates personalized communications at scale, inspiring each individual to engage and act. Many of the world’s largest brands, including Ally Bank, Coach, Dropbox, Kate Spade, JP Morgan Chase, Marks & Spencer, and Verizon, rely on Persado to engage customers across their journey, from acquisition communications to online cart conversion. Persado’s Generative AI for the enterprise is trained on more than 100 billion digital business language impressions across industries, enabling marketers to motivate customers and drive significant business value. Persado has been recognized by CB Insights as the top Leader for Generative AI Text Content Generation.

As an employer, Persado is committed to creating a place where everyone’s unique perspective is valued. We understand that our team members and our inclusive culture are what make Persado special. Persado is proud to be named on Fast Company’s World’s Most Innovative Companies list in 2020 and Built In’s Best Places To Work in 2021, 2022 & 2024.

What We Are Looking For

We’re seeking a Senior Backend Engineer (Ruby on Rails) with at least 5 years of experience on large-scale projects to join our vibrant Engineering team. This is primarily a backend-focused role, so your main goal will be designing and building robust APIs, services, and data-driven solutions. However, if you’ve got React experience or the willingness to learn React, that’s definitely a bonus! The role can be based in Greece or any country in the EU. ✨

What You Will Work On

• Be part of a fun, diverse, and like-minded developer team that thrives on innovation and knowledge sharing
• Own the Backend: Develop new features, optimize existing services, and maintain critical APIs in Ruby on Rails
• Collaborate closely with our Product, Data Science, and Design teams to build well-researched, high-impact features—our devs have plenty of product ownership!
• Partner with QA & MLOps to ensure our applications stay reliable, scalable, and efficient
• Solve challenging technical problems and work with complex data to deliver seamless user experiences
• Mentor junior engineers (and keep learning a ton yourself!)
• Dive into internal meetups and discussions on a variety of software engineering topics
• Leverage online resources and courses—we support continuous learning and growth
• Have a structured career development path – check out our Engineering Job Ladder.

What You Bring

Backend Focus

• Ruby on Rails Proficiency: At least 3 years of hands-on experience with Ruby on Rails
• Relational Databases: Strong SQL skills (e.g., PostgreSQL) and experience working with complex schemas
• API & Microservices: Familiarity with architecting RESTful APIs, microservices, or asynchronous backend systems
• Testing Enthusiasm: Experience with TDD, RSpec, or similar testing frameworks is a plus
• Performance Mindset: Understanding of scalability, performance optimization, and security best practices

(Awesome) Bonus Points

• React Know-How or Willingness to Learn: Familiarity with React, JavaScript, or TypeScript can help you collaborate across the full stack
• UI Collaboration: Interest in or experience with bridging backend services to polished front-end experiences

What We Offer

Achieve your life goals and work goals at Persado

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