Company Overview

A growing financial technology environment is expanding its digital payment infrastructure and software quality capabilities to support reliable financial transactions across European markets. Its technology ecosystem includes payment gateways, merchant processing platforms, digital wallets, transaction monitoring solutions, and automated settlement systems.

The organisation is seeking an experienced QA Engineer to strengthen software testing practices and ensure that payment applications meet demanding standards for functionality, security, accuracy, and operational reliability.

Role Summary

The Senior Payment Systems QA Engineer will lead testing activities for digital payment applications and transaction processing infrastructure. The role focuses on validating payment workflows, identifying software defects, testing financial transaction scenarios, and ensuring that payment systems perform consistently across different integration environments.

The successful candidate will collaborate with software developers, payment specialists, product teams, and technical support professionals to deliver dependable payment technology solutions.

Key Responsibilities

• Design and execute comprehensive test plans for payment gateways and transaction processing applications.

• Perform functional, regression, integration, and end-to-end testing of payment workflows.

• Validate card payments, bank transfers, refunds, reversals, and settlement transactions.

• Test payment APIs, webhooks, and third-party financial service integrations.

• Verify transaction accuracy across authorisation, processing, clearing, and settlement stages.

• Develop automated test scripts for repetitive payment validation activities.

• Identify, document, and track software defects through resolution.

• Conduct negative testing to evaluate failed transactions, duplicate payments, and interrupted payment requests.

• Validate system behaviour under different transaction volumes and processing conditions.

• Collaborate with developers to investigate complex payment-related defects.

• Maintain detailed test documentation, execution reports, and quality assurance records.

• Recommend improvements to testing procedures and payment platform reliability.

Requirements and Qualifications

• Bachelor’s degree in Computer Science, Software Engineering, Information Technology, or a related discipline.

• At least 4 years of experience in software quality assurance or payment systems testing.

• Strong understanding of payment processing workflows and financial transaction systems.

• Experience with API testing tools such as Postman or REST Assured.

• Knowledge of automated testing frameworks such as Selenium, Cypress, or Playwright.

• Proficiency in SQL for database validation and transaction verification.

• Familiarity with Java, Python, or JavaScript for test automation.

• Understanding of CI/CD pipelines and software testing methodologies.

• Experience testing fintech applications, digital banking platforms, or payment gateways.

• Strong analytical thinking, troubleshooting, and technical documentation skills.

Benefits

• Fully remote working opportunity within Estonia.

• Opportunity to work on advanced payment processing technologies.

• Collaboration with experienced fintech engineering professionals.

• Access to modern testing and automation tools.

• Continuous technical development and professional learning opportunities.

• Flexible working arrangements within a distributed engineering environment.

Application Instructions

Interested candidates should submit an updated CV outlining their QA experience, payment technology knowledge, and software testing capabilities. Applicants should highlight relevant automation projects, API testing experience, and examples of complex payment systems they have tested.

Are you interested in this position?

Apply by clicking on the “Apply Now” Button below!

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