Ruby on Rails Developer

Senior Ruby Engineer

Company:

Grid Dynamics

Location:

Ukraine

Working hours:

until 20:00 Kyiv time

English:

B2+ required

🚀

About the Project

You’ll join a US-based product company that is transforming the way people discover and shop through a unique combination of

AI, data science, and human expertise

.

The team is building internal tools used by thousands of professionals to deliver highly personalized experiences to millions of users. This is a high-impact product where engineering decisions directly influence customer engagement and business outcomes.

You’ll work in a cross-functional environment alongside product managers, designers, data scientists, and mobile engineers, contributing not only to development but also to product thinking.

💡

Why this role is exciting

• Work on a modern, data-driven product with real user impact
• Strong engineering culture

: TDD, CI/CD, DevOps, scalable architecture

• High level of ownership and technical influence
• Opportunity to lead, mentor, and shape engineering practices
• Collaborative and supportive team with a focus on trust and growth

🛠

Tech Stack

• React, Next.js
• TypeScript, JavaScript
• Node.js
• Ruby on Rails
• GraphQL, Apollo
• CSS / Sass
• Datadog, Figma

✅

What we’re looking for

• 5+ years of software development experience
• 1+ year in a technical leadership role
• Strong hands-on experience with

React / Next.js + TypeScript

• Solid experience with

Ruby on Rails or Node.js

• Experience with

GraphQL (design + consumption)

• Ability to drive technical decisions and prioritize effectively
• Strong communication skills and collaboration with cross-functional teams
• Passion for mentoring and growing other engineers

⭐

Nice to have

• Experience working in client-side / product-focused teams