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.

location: Jersey City, New Jersey

job type: Contract

salary: $54.62 - 64.62 per hour

work hours: 8am to 5pm

education: Bachelors



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.

Equal Opportunity Employer: Race, Color, Religion, Sex, Sexual Orientation, Gender Identity, National Origin, Age, Genetic Information, Disability, Protected Veteran Status, or any other legally protected group status.

At Randstad Digital, we welcome people of all abilities and want to ensure that our hiring and interview process meets the needs of all applicants. If you require a reasonable accommodation to make your application or interview experience a great one, please contact

Pay offered to a successful candidate will be based on several factors including the candidate's education, work experience, work location, specific job duties, certifications, etc. In addition, Randstad Digital offers a comprehensive benefits package, including: medical, prescription, dental, vision, AD&D, and life insurance offerings, short-term disability, and a 401K plan (all benefits are based on eligibility).

This posting is open for thirty (30) days.