Senior Backend Engineer (Ruby)

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PerkboxSoftware Development
This role is only available for candidates who are residing in Bulgaria.Full-TimeSenior
Salary60,000 - 65,000 EUR per year
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Job Details

Experience
4+ years
Required Skills
AWSGraphQLPostgreSQLGitKubernetesMySQLRuby on RailsRESTful APIs

Requirements

  • 4+ years of professional experience with Ruby on Rails.
  • Good understanding of JavaScript/TypeScript and MVC architecture.
  • Strong database management experience with PostgreSQL/MySQL and AWS RDS.
  • Experience with ORM tools like ActiveRecord.
  • Proficiency with RSpec, Git, mocking, and unit testing principles.
  • Experience with GraphQL APIs.
  • Experience working in AWS cloud environments.
  • Familiarity with CI/CD pipelines in fast-paced or scaling organisations.
  • Proven experience designing and implementing features using AI-powered workflows.
  • Confidence navigating ambiguity with a detail-oriented approach to code quality.

Responsibilities

  • Own and evolve the technical vision for Ruby on Rails applications and backend services.
  • Build and maintain robust RESTful APIs, ensuring secure authentication, authorisation, and data flows.
  • Design scalable solutions on AWS, including RDS, Lambda, and Kubernetes workloads.
  • Identify and resolve bottlenecks, improve API speed, and design effective caching/database strategies.
  • Establish and continuously improve deployment pipelines, coding standards, and code review practices.
  • Embed security-by-default across the SDLC, ensuring compliance with frameworks like ISO 27001 and SOC2.
  • Work closely with frontend teams, product managers, and stakeholders to deliver impactful features.
  • Create and maintain clear technical documentation and design specifications.
  • Step in during critical production incidents, lead root cause analysis, and drive prevention strategies.
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60,000 - 65,000 EUR per year
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