Please note this role is only available for candidates who are residing in Bulgaria.
At Perkbox, we’re on a mission to improve lives by transforming how companies support their people. Through our all-in-one platform, we deliver meaningful benefits, recognition, and wellbeing solutions that make a real difference to employees every day.
But it starts with our own people.
We’re building a culture that reflects what we offer—one that prioritises wellbeing, celebrates impact, and empowers growth. If you’re excited by purpose-driven work, fast-paced growth, and creating better employee experiences at scale, you’ll fit right in.
Due to our expansion in Bulgaria, we are looking for an experienced Senior Ruby Backend Engineer to take ownership of backend systems powering our mobile-first, consumer-facing applications.
You’ll translate product and business goals into technical roadmaps, drive architectural decisions, and ensure our backend services are secure, scalable, and performant. This is a hands-on role where you’ll balance coding, mentoring, and shaping engineering practices. launches and operational excellence.
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.
Skills & Experience
4+ years of professional experience with Ruby on Rails and a good understanding of JavaScript/TypeScript, and MVC architecture.
Strong database management experience with PostgreSQL/MySQL, AWS RDS, and 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, including leveraging AI agents and automation to build scalable, intelligent applications.
Confidence navigating ambiguity, with a detail-oriented approach to clean, high-quality code.
Work Mode & Salary
Remote working. This role is only open to candidates who are residing in Bulgaria.
Gross annual salary: €60,000 to €65,000 based on experience.
Interview Process
Online interview with the Senior Talent Advisor.
A 75 min panel interview with two Engineering Leads. This will be a behavioural- and technical interview.
Final interview with the Director of Engineering, and the CPTO.
Diversity & Inclusion:
At Perkbox, we’re committed to building an inclusive workplace for all. We welcome applications from candidates of all backgrounds and are happy to provide reasonable adjustments where needed. Your comfort and success matter to us!
Perkbox
About Perkbox In 2025, Perkbox and Vivup came together under one name: the new and evolved Perkbox. That move created the UK’s first fully unified employee experience platform – a single place where organisations can care for, connect with, and celebrate their people. Today, more than 7,500 organisa...
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