Manual QA Engineer

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Manual QA Engineer based in United States.

• Participate throughout the software development lifecycle to ensure product quality, stability, and release readiness.
• Review product and technical requirements and translate them into effective test strategies, coverage, and risk assessments.
• Design, maintain, and execute test plans, test cases, and exploratory testing strategies across web, mobile, API, and backend systems.
• Perform regression, integration, system, and end-to-end testing for critical customer-facing features and workflows.
• Validate authentication, account management, promotions, rewards, loyalty points and tiers, redemption flows, and geolocation functionality.
• Identify, document, track, troubleshoot, and support the resolution of software defects.
• Assess release risk and provide clear QA recommendations for complex features, integrations, and customer journeys.
• Partner closely with Engineering and Product teams to identify quality risks early and improve product quality throughout development.
• Use tools such as Postman, Swagger, browser DevTools, Charles Proxy, Proxyman, and mobile emulators to validate functionality and investigate issues.
• Validate backend integrations and data consistency using SQL queries, debugging tools, and related technical techniques.
• Apply AI-assisted tools to improve test coverage, test design, defect investigation, and overall QA efficiency.
• Take ownership of testing strategy and execution for complex features and initiatives.
• Mentor junior and mid-level QA engineers on testing methodologies, debugging, and quality best practices.
• Contribute to continuous improvement of QA processes, tools, documentation, and test coverage.
• Help drive successful releases with strong coverage, minimal production defects, and reliable customer experiences.

• 5+ years of professional software quality assurance experience, with a strong focus on manual testing.
• Strong experience testing web and mobile applications in complex production environments.
• Solid understanding of SDLC, STLC, QA methodologies, and software testing best practices.
• Hands-on experience testing APIs using tools such as Postman or Swagger.
• Strong troubleshooting and debugging capabilities across frontend and backend systems.
• Experience with browser DevTools, Charles Proxy, Proxyman, mobile emulators, and similar diagnostic tools.
• Familiarity with databases and the ability to write SQL queries for data validation and troubleshooting.
• Demonstrated experience integrating AI-assisted tools into QA workflows, including test design, debugging, defect analysis, or test coverage.
• Ability to independently prioritize testing activities, assess risk, and take ownership of quality outcomes.
• Strong analytical thinking, attention to detail, and problem-solving skills.
• Excellent communication and collaboration skills within cross-functional Agile teams.
• Proactive mindset with a strong focus on customer experience, continuous improvement, and quality ownership.
• Experience in sportsbook, casino gaming, fintech, or another regulated industry is a plus.
• Familiarity with test automation frameworks or scripting languages such as Python is a plus.
• Experience testing authentication, geolocation, payments, CRM, or account management workflows is a plus.
• Curiosity and adaptability when working with emerging technologies and AI-assisted QA practices.

• Competitive pay and benefits.
• Flexible vacation allowance.
• Hybrid/remote working environment.
• Opportunity to work on complex, high-volume digital products and critical customer journeys.
• Hands-on exposure to web, mobile, API, backend, database, and geolocation testing.
• Opportunity to incorporate AI-assisted tools into modern QA workflows.
• Senior-level ownership of testing strategy, release readiness, and quality improvement.
• Mentoring and collaboration opportunities with QA, Engineering, and Product teams.
• Startup-style culture supported by a secure, globally recognized brand.
• Inclusive and diverse working environment where employees are encouraged to bring their authentic perspectives and skills.
• Opportunity to influence QA processes, tooling, test coverage, and product quality at scale.