Lead QA Engineer

Job Summary

7+ years of hands-on experience validating and assuring quality of production systems built with Python based backends and React frontends, with a strong focus on reliability, correctness, and user experience. Strong understanding of modern software engineering practices, including object-oriented design, microservices architectures, REST APIs, CI/CD pipelines, and containerized environments, enabling effective test strategy design across the SDLC. Proven experience testing distributed systems, event-driven architectures, and real-time or near-real-time data pipelines, including failure scenarios, data consistency, and performance under load. Skilled in defining and executing test plans, test automation strategies, and quality gates for agile delivery, with strong analytical skills, attention to detail, and the ability to collaborate closely with developers, product managers, and DevOps teams.

Responsibilities

• Lead the data quality strategy for QzTrades, ensuring consistent behavior, adherence to common patterns, and high reliability across Global Markets applications.
• Provide QA leadership for modernization initiatives within the Quartz Financial Stack, driving test coverage, automation, and validation of both functional and non-functional requirements.
• Own the quality assurance approach for trade horizontal services, shared components, and tooling used across multiple asset classes, with accountability for integration, regression, and cross-dependency testing.
• Lead testing and validation of Python-based backend services, including API testing, data integrity checks, event-driven flows, resiliency, and failure scenario validation.
• Partner closely with trading, product, development, and DevOps leadership to assess delivery risk, influence design decisions, and embed quality early through shift-left and shift-right testing practices.
• Establish and enforce QA best practices across the SDLC, including test automation frameworks, CI/CD quality gates, observability validation, and release readiness criteria.
• Act as a key stakeholder for production readiness, ensuring operational resilience, stability, and compliance for mission-critical front-to-back trading workflows.

Qualifications

• Prior Quartz experience is a strong plus, including familiarity with Quartz components, LOB wrappers, and integration patterns.
• Experience in Global Markets, trading systems, or other financial services domains.
• Knowledge of trade lifecycle, risk, market data, or pricing systems.