Remote job · IT and software

Senior Backend Engineer (Ruby)

Remote (Bulgaria)
A growing employee benefits platform
Posted 3 Oct 2026

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About the role

Own the backend systems behind mobile-first consumer applications, setting technical direction and keeping services secure, scalable and fast. The role mixes hands-on coding with mentoring and shaping engineering practice.

What you will do

Build and maintain RESTful APIs with secure authentication, authorization and data flows
Design scalable AWS solutions including RDS, Lambda and Kubernetes workloads
Resolve bottlenecks, speed up APIs and design caching and database strategies
Embed security by default across the development lifecycle and handle critical incidents

What they look for

At least four years of professional Ruby on Rails experience with JavaScript or TypeScript and MVC architecture
Proficiency with RSpec, Git, mocking and unit testing
Experience with GraphQL APIs and AWS cloud environments
Experience building features with AI-powered workflows, agents and automation

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