Quality Assurance Engineer (Financial Systems)

Overview At Lumenalta, we partner with forward-thinking organizations to build technology solutions that scale, delight users, and accelerate business growth. Our team of global experts brings curiosity, commitment, and technical excellence to every project. We value transparency, autonomy, and impact, empowering every team member to do their best work.

The Role We’re seeking an experienced Quality Assurance Engineer with a strong background in financial systems and market data applications. You will be responsible for ensuring the quality and reliability of mission-critical applications across web, mobile, and API platforms. You will work closely with developers, product managers, and business stakeholders to identify issues, design comprehensive test plans, and safeguard the user experience. This role is ideal for someone who thrives in a fast-paced environment, brings sharp problem-solving skills, and has a proven track record in diagnosing and preventing issues in complex systems.

Responsibilities Validate financial data functionality, ensuring accuracy, timeliness, and system integrity

Diagnose application issues by analyzing application logs, reviewing server stats, and system behavior

Collaborate with developers and DevOps to triage and resolve defects

Write clear, detailed bug reports with supporting artifacts to enable quick resolution

Test backend integrations, ensuring data accuracy across PostgreSQL, Informix, MySQL, and related databases

Ensure test coverage in continuous integration environments

Maintain strong documentation of test cases, results, and defect trends

Contribute to quality best practices across the SDLC and mentor others on QA standards

Requirements 5+ years of experience in QA, with exposure across web, mobile, and API testing

Have a deep understanding of data / event-driven systems and be excellent at coding

Hands-on experience in financial systems and / or market data environments

Strong knowledge of Xpath, CSS selectors, HTML, XML, and JSON

Proficiency in SQL and 2–3 years of experience working with relational databases (PostgreSQL, Informix, MySQL)

Ability to analyze system logs, identify bottlenecks, and proactively flag performance or stability issues

Experience in a CI / CD environment and familiarity with version control tools (Git)

Solid understanding of QA methodologies, testing practices, and SDLC

Strong Linux knowledge and comfort with command line debugging

Excellent verbal and written communication skills, with the ability to collaborate across teams and explain complex issues clearly

Job is 100% Remote; please ensure you have a comfortable office setup for your work location.

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