Quality Assurance Engineer

Job summary

We are seeking a Quality Assurance Engineer (3 month Contract) on behalf of our client in the sports betting industry to ensure the quality, reliability, and performance of core systems. You will work closely with the technical team to test, validate, and improve products while identifying issues and maintaining high standards across the platform.

Min Qualification: Degree Experience Level: Senior level Experience Length: 5 years Language Requirement: English Working Hours: Full Time - 8 to 5 Applicant Location: Lagos, Nigeria

Job descriptions & requirements

Responsibilities:

• Design, develop, and execute test plans and test cases for web and backend systems
• Validate wallet transactions, settlements, payouts, and financial calculations
• Test sportsbook integrations and real-time contest functionality
• Identify, document, and track bugs through resolution
• Perform regression, integration, and performance testing
• Collaborate with backend engineers to validate APIs and data consistency
• Conduct edge-case and failure testing for high-concurrency scenarios
• Ensure compliance with responsible gambling and financial integrity requirements
• Support incident analysis and post-release validation

Requirements:

• 5 years of QA engineering experience
• Experience testing transaction-heavy or fintech-like systems
• Strong understanding of APIs, backend systems, and data validation
• Experience with test management tools and bug tracking systems
• Familiarity with automated testing frameworks (e.g., Selenium, Cypress, Playwright, or similar)
• Strong analytical and problem-solving skills
• Attention to detail, especially around financial calculations and edge cases