Senior QA Automation Engineer

About the Role

We are building a next-generation Payment Orchestration Platform designed to streamline transaction processing, boost operational efficiency, and deliver a seamless payment experience for businesses and their customers. Our solution integrates with multiple payment gateways, incorporates advanced fraud prevention mechanisms, and ensures full compliance with PCI DSS and other financial industry regulations.

As a Senior QA Automation Engineer, you will play a key role in driving the quality of our platform by designing and executing robust testing strategies across all stages of the software development lifecycle. You’ll collaborate closely with developers, business analysts, and the product team to ensure stable, high-performance, and compliant delivery of mission-critical APIs. The product is heavily API-focused, with minimal UI involvement.

Tech Stack:

• Back-End: Kotlin, Spring Cloud, JUnit, Swagger, Kafka, PostgreSQL (AWS RDS), Redis (AWS), DynamoDB, Docker, AWS
• Front-End: TypeScript, React, Vite
• QA Automation: RestAssured, MockServer, JMeter (Java DSL), Playwright, JUnit/TestNG, Docker, AWS
• CI/CD: GitHub Actions

Team Structure:

7 Software Engineers, 2 Automation QA Engineers, 3 DevOps Engineers, 1 UI/UX Designer, 1 Business Analyst, and 1 Project Manager.

Work Environment:

• Agile processes. Flexible working hours aligned with UK time zones.

Key Responsibilities:

• Design, develop, and maintain automated test frameworks for back-end APIs and front-end where applicable.
• Build test automation solutions from scratch or extend existing ones for API and UI testing.
• Define and implement a robust performance testing strategy using JMeter (Java DSL).
• Ensure comprehensive test coverage through functional, regression, integration, and performance testing.
• Actively participate in requirements analysis and contribute to solution design from a QA perspective.
• Collaborate closely with developers, DevOps, and product teams to ensure testability and automation at all stages of development.
• Keep test documentation up to date and contribute to sprint planning and estimation.
• Identify, report, and track bugs, driving continuous quality improvement across the product.
• Ensure all QA deliverables align with regulatory and industry standards, especially in the FinTech domain.
• Contribute to CI/CD pipeline optimization for automated testing (GitHub Actions).
• Mentor and guide a middle-level automation engineer, supporting growth and knowledge sharing.

Requirements:

• 5+ years of experience in software development or QA engineering.
• Prior experience in FinTech or e-Commerce.
• 4+ years of hands-on experience in test automation, strongly focusing on API-level testing.
• Strong skills in Java/Kotlin, with practical experience using JUnit/TestNG, RestAssured, MockServer, JMeter.
• Solid experience in performance, load, and stress testing.
• Experience with Playwright or similar tools for UI automation.
• Solid understanding of CI/CD pipelines — experience with GitHub Actions.
• Good knowledge of SQL.
• Solid grasp of QA best practices, test pyramid principles, and the SDLC.
• Solid understanding of payment systems, transaction flows, and related compliance requirements.
• Experience working in regulated environments is a strong advantage.
• Strong problem-solving skills, attention to detail, and a proactive mindset.
• Language requirements: English – Upper Intermediate (B2+), Ukrainian – fluent.

Bonus Points:

• Hands-on experience with AWS infrastructure.
• Familiarity with containerized environments (Docker, Kubernetes).

Benefits:

Reveal great tech solutions

Join the team of experts who create custom, cutting-edge tech solutions for world-renowned businesses, fueling client growth. Unleash your potential, tackle new challenges, and be part of a team that values your skills and contributions. Focus on long-term impact and building tailored, long-lasting partnerships with our clients.

Experience an agile and flexible working environment

Enjoy the freedom of fully remote work with a flexible working schedule. Empower yourself with a stable workload and a stable income, supported by provided laptops and licensed software. We focus on lasting cooperation and unite result-oriented individuals who stand on a high-performance approach to work.

Embrace the opportunity for personal and professional growth

Benefit from performance and merit reviews, elevate your skills with personal development plans, and individual learnings through the corporate library, public speaking support, and more.

Be among like-minded people

Work with a team of one mind who cares about what they do and how they do. Collaborate with top-notch experts who are always ready to help and support you through any challenges. Join company-wide tech and cultural events, and contribute to meaningful CSR initiatives that resonate with your values. Feel supported by your HR, and take advantage of our referral bonus program.