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QA Engineer

Belfast, Northern Ireland💼 Full-time💰 $40,000–$40,000🗓 2026-05-19 → 2026-08-06

Core

Design, develop, and maintain automated test suites for back end services, APIs, and data pipelines to ensure reliability in real-time trading systems.

Role type

Mid-level QA Engineer (Automation)

Builds

Automated test suites, CI/CD integration, and validation of real-time market data and order flow systems.

Domain

Financial technology / Real-time trading systems

Deliverable

production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work

Required skills

Automation frameworks (Playwright, Cypress, Selenium), Programming (Java, JavaScript, Python, C#), CI/CD pipelines, API testing, Distributed systems testing, Regression testing, Defect triage, Performance validation, Test strategy design

Preferred skills

Experience with real-time systems, Market data processing, Tooling improvement

Technologies

Playwright, Cypress, Selenium, Java, JavaScript, Python, C#

Responsibilities

Design and maintain automated test suites for back end services and APIs; Execute manual and exploratory testing; Integrate automated tests into CI/CD pipelines; Collaborate with developers to improve testability; Validate performance and accuracy of real-time market data systems; Support release activities including regression testing and production validation.

Seniority

Mid-level, hands-on IC

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