Senior Backend Engineer

📍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 Golang Engineer. You'll play a pivotal role in shaping the future of our backend architecture. Working within a cross-functional squad, you'll design and deliver robust, scalable microservices that power seamless experiences for millions of users.

What you'll be responsible for:

• Build and maintain high‑performance microservices in Go.
• Contribute to the full lifecycle of services including development, testing, and deployment.
• Implement and document gRPC and RESTful APIs to support product features.
• Write efficient queries and design schemas for DynamoDB, Elasticsearch, and MySQL.
• Work within event‑driven architecture patterns and help maintain distributed systems.
• Write clean, testable code with consistent unit and integration test coverage.
• Partner with DevOps to monitor service health and assist with production deployments.
• Help troubleshoot production issues to maintain high availability and performance.
• Actively participate in agile ceremonies such as sprint planning and daily standups.
• Contribute to technical discussions regarding API design and database improvements

Skills and experience required:

• 4+ years developing production‑ready services in Go, with strong backend development in microservices architecture.
• Hands‑on database experience with DynamoDB, Elasticsearch, and MySQL, including schema design and query optimisation.
• Familiarity with gRPC and RESTful APIs for scalable service integration.
• Knowledge of distributed architecture patterns, Go Routines, and Channel usage.
• Exposure to AWS and cloud‑native services for backend scalability.
• Proficiency with Git and collaborative development practices.
• Proven experience designing and implementing features using AI-powered workflows, including leveraging AI agents and automation to build scalable, intelligent applications.
• Strong written and verbal communication skills, with exposure to AI‑led development.

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. :