Senior QA Engineer — Fintech, Distributed Systems & Automation

IO Tech Solutions Limited; United States; Remote; USD 90,000 - 130,000; Full time

Job summary

IO Tech Solutions Limited is seeking a QA Engineer to join our fast-growing fintech team. You will design end-to-end test scenarios across UI, services and distributed systems, and build automated frameworks for UI, API and data-level testing.

You will perform functional and performance testing, collaborate with Product, Development and Operations, and assist in controlled release deployments while supporting production issue analysis.

Qualifications

• 5+ years of hands-on QA / Software Testing experience.
• Strong automation experience using Selenium and Cucumber.
• Experience in REST API testing and distributed/event-driven systems.
• Solid understanding of manual + automated testing best practices.
• Good SQL knowledge (data validation & investigation).

Responsibilities

• Design and execute end-to-end test scenarios across UI, services, and distributed systems
• Build and enhance automated test frameworks (UI, API, data-level testing)
• Perform functional and performance/throughput testing
• Collaborate closely with Product, Development, and Operations teams
• Support production issue analysis (2nd level investigation)
• Assist in release deployments following structured release processes

Skills

QA / Software Testing

Automation

SQL knowledge

Linux Shell or Python scripting

Tools

Selenium

Cucumber

REST API testing

Distributed systems testing

Job description

IO Tech Solutions Limited is seeking a QA Engineer to join our fast-growing fintech team. You will design end-to-end test scenarios across UI, services and distributed systems, and build automated frameworks for UI, API and data-level testing.

You will perform functional and performance testing, collaborate with Product, Development and Operations, and assist in controlled release deployments while supporting production issue analysis.