Senior QA Engineer - Web & Mobile (FinTech, Remote)

HHHUB, UAB; United States; Remote; USD 90,000 - 130,000; Full time

Benefits offered by this job

Fully remote

Job summary

HHHUB, UAB is seeking a Senior Manual QA Engineer to own QA for web and mobile products in a globally distributed fintech environment. You will proactively engage in test planning, designing scenarios, and validating complex payment journeys from onboarding to settlement.

You will collaborate with developers and product managers, perform functional, regression, and API testing, and ensure release readiness across international markets.

Qualifications

• Strong hands-on manual QA testing across web and mobile apps.
• Ability to independently plan, organize, and prioritise testing activities.
• Experience analysing incomplete requirements and clarifying gaps.
• Prepare test plans and scenarios during development, not after.
• Solid understanding of testing principles, defect lifecycles, and testing types.
• Practical API testing experience using Postman and OpenAPI/Swagger.

Responsibilities

• Own and independently plan QA activities based on requirements and release timelines.
• Analyse requirements, designs and specifications, identify gaps and clarify uncertainties.
• Prepare structured test plans, scenarios and documentation before feature completion.
• Coordinate with frontend and backend teams to ensure testing readiness.
• Conduct functional, regression, exploratory, usability and compatibility testing.
• Test APIs using OpenAPI specifications and maintain Postman collections.
• Validate end-to-end customer journeys including onboarding and transactions.
• Document defects with clear reproduction steps and logs.
• Lead requirements reviews and testing discussions with stakeholders.
• Contribute to QA process improvements and release readiness.

Skills

Manual QA testing

API testing

Web & mobile testing

Test planning

JSON structures

OpenAPI/Swagger

Tools

Postman

Swagger/OpenAPI

Job description

HHHUB, UAB is seeking a Senior Manual QA Engineer to own QA for web and mobile products in a globally distributed fintech environment. You will proactively engage in test planning, designing scenarios, and validating complex payment journeys from onboarding to settlement.

You will collaborate with developers and product managers, perform functional, regression, and API testing, and ensure release readiness across international markets.