Senior Golang Engineer — Test Infrastructure Transformation

About the Client

Our client is a payment orchestration platform dedicated to optimizing and scaling payment flows for online businesses. They provide intelligent routing, real-time analytics, and partner with various payment service providers. With a PCI DSS-certified gateway, they enhance acceptance rates, reduce costs, and ensure secure transactions. Since its founding in 2019, the company has served mid-market and enterprise clients worldwide, including those in high-risk sectors like iGaming. The company is headquartered in Lithuania and has offices in Malta and Cyprus, with R&D centers in Poland and Georgia.

Role Overview

Join an exciting project as a Senior Golang Engineer focused on transforming test infrastructure. You will tackle the challenge of migrating and redesigning a Java-based test automation environment to Golang, enhancing its reliability and scalability. This remote position offers the opportunity to influence architectural decisions and integrate cutting-edge technology in a fully remote team.

Key Responsibilities

• Analyse the existing Java-based test automation infrastructure and contribute to its transformation into Golang.
• Design, develop, and maintain reliable and scalable test infrastructure using Golang.
• Migrate, redesign, or replace existing Java components where required.
• Contribute to architectural decisions and help define the technical approach for the transformation.
• Ensure the stability of existing testing processes throughout the migration.
• Integrate the new infrastructure with CI/CD pipelines and the broader development environment.
• Collaborate closely with QA, Backend, and DevOps engineers.
• Troubleshoot technical issues and improve the performance, reliability, and maintainability of the infrastructure.
• Write clear technical documentation and follow engineering best practices.
• Take ownership of assigned technical areas and deliver them independently from analysis to implementation.

Requirements

• Strong commercial experience in Golang at Senior Engineer level.
• Hands-on experience developing test automation infrastructure, testing frameworks, or internal engineering tools.
• Experience with Java and the ability to understand and work with an existing Java codebase.
• Experience migrating, modernising, or redesigning backend systems or infrastructure.
• Strong understanding of software architecture, APIs, backend systems, and microservices.
• Experience with CI/CD pipelines, Docker, and Kubernetes.
• Strong debugging and problem-solving skills.
• Ability to work independently, make sound technical decisions, and take ownership of delivery.
• Good communication and cross-functional collaboration skills.
• Professional working proficiency in English and Russian.

Key Soft Skills

• Strong analytical thinking and the ability to approach complex problems methodically.
• Excellent stakeholder management skills to effectively communicate with cross-functional teams.
• Adaptability to fast-paced environments, with the ability to pivot and adjust strategies quickly.

What We Offer

• Competitive salary aligned with experience
• Collaborative and transparent team culture
• High-impact role in a scaling fintech company
• Recognition of personal milestones and achievements
• Social benefits