Responsibilities:
- Review and analyze business and functional requirements, proactively identifying gaps or inconsistencies.
- Collaborate closely with developers, product owners, and analysts to establish and maintain high-quality standards.
- Develop detailed test cases and execute manual and automated tests.
- Perform thorough functional, integration, regression, and performance testing for payment adapters and PSP applications.
- Identify, isolate, document, and track bugs throughout the development and testing lifecycle.
- Document test progress, outcomes, and provide timely reports on test coverage and quality metrics.
- Participate actively in continuous improvement processes within the QA team.
Requirements:
- 4+ years of professional experience in backend software testing.
- 2+ years of hands-on experience writing and maintaining automated tests using Java.
- Solid understanding of client-server architecture and RESTful APIs.
- Proficiency with different testing methodologies and test design techniques (functional, integration, regression, performance testing).
- Deep knowledge of software development life cycle (SDLC) and QA methodologies.
- Strong analytical skills with the ability to thoroughly review requirements, foresee potential impacts, and suggest solutions.
- Proven ability to multitask effectively across multiple concurrent payment integration projects.
- Practical experience with industry-standard tools such as Postman, IntelliJ IDEA, DataGrip, Jenkins, GitLab, Splunk, RabbitMQ, Argo CD.
- Clear, concise, and professional verbal and written communication skills.
- Fluent English (B1+).
Nice to Have:
- Previous experience in fintech, particularly with payment gateway integrations or alternative payment methods.
- Understanding of payment processing concepts, transaction lifecycles, and related regulatory compliance aspects.
- Experience working with microservices architectures.
Your Mindset:
- Proactive, solution-oriented mindset with high attention to details.
- Strong communication and interpersonal skills with the ability to work collaboratively as part of an agile team.
- Broad technical outlook and desire to learn, grow, and apply cutting-edge technologies and best practices.
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What We Do
From London to Singapore and from San Francisco to São Paulo, we help businesses enter new markets, explore new industries, and reach new milestones. We are driven by a deep-seated determination to be the best possible partner for our customers – giving you the support you need to capitalize on a world that’s changing at breakneck speed.
Our mission is to provide innovators with a convenient and simple financial interface that enables payments to flow freely and invisibly across borders. We offer a wide range of services, including payment gateway, card acquiring, business accounts, card issuing, alternative payment methods, and more.
That’s the reason why we are called Unlimit: we provide unlimited growth opportunities for our customers, freeing them from the payment constraints.
Unlimit - Borderless Payments







