Senior AQA Engineer (Python)

N-iX is seeking a Senior AQA Engineer with extensive automation and quality engineering expertise. This role involves owning end-to-end quality assurance for an AI-powered document processing and automation platform for a UK-based financial services client. The engineer will manage test processes, collaborate with engineering and product teams, and ensure high-quality, compliant, and reliable software delivery.

Must Have

• Extensive experience across all stages of the software development lifecycle, including system, integration, regression, and acceptance testing.
• 6+ years of hands-on test automation experience, particularly designing automation frameworks.
• Strong knowledge and practical experience with API test automation using tools such as RestAssured, SOAPUI, Postman, or similar.
• Experience implementing automated tests within CI/CD pipelines, including pipeline configuration and test integration.
• Strong understanding of Agile practices, including TDD, BDD, user story testing, and continuous integration workflows.
• Proficiency with SQL/PL/SQL for backend data validation and query-based testing.
• Ability to clearly articulate technical issues, test results, and quality risks to engineering teams and management stakeholders.
• Strong problem-solving skills with the ability to identify control weaknesses and propose improvements.
• Experience working in complex enterprise or regulated environments (financial services is a plus).

Good to Have

• Experience testing AI/ML systems, document processing pipelines, or data-heavy workflows.
• Knowledge of performance testing tools (JMeter, Gatling) or security testing practices.
• Experience with Google Cloud tooling or distributed microservices environments.
• Familiarity with test reporting frameworks, quality dashboards, or analytics tools.

Perks & Benefits

• Flexible working format - remote, office-based or flexible
• A competitive salary and good compensation package
• Personalized career growth
• Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)
• Active tech communities with regular knowledge sharing
• Education reimbursement
• Memorable anniversary presents
• Corporate events and team buildings
• Other location-specific benefits

Position Overview:

N-iX is a global software development service company that helps businesses across the globe create next-generation software products. Founded in 2002, we unite 2,400+ tech-savvy professionals across 40+ countries, working on impactful projects for industry leaders and Fortune 500 companies. Our expertise spans cloud, data, AI/ML, embedded software, IoT, and more, driving digital transformation across finance, manufacturing, telecom, healthcare, and other industries. Join N-iX and become part of a team where your ideas make a real impact.

We are looking for a Senior AQA Engineer with strong hands-on automation experience and deep expertise in quality engineering practices. The ideal candidate will own the quality assurance execution for the platform, manage test processes end-to-end, and work closely with engineering and product teams to ensure high-quality, compliant, and reliable software delivery.

Our client is a global UK-based financial services and investment banking organization developing an AI-powered document processing and automation platform used across multiple business units. The platform handles large-scale data ingestion, classification, quality validation, and workflow orchestration, requiring strong testing discipline and robust automation practices.

Responsibilities:

• Develop and maintain comprehensive quality strategies, test plans, and test approaches to support continuous delivery.
• Lead and manage the full test lifecycle, including planning, estimations, governance, risk mitigation, and defect management.
• Design, build, and maintain automated test suites (smoke, regression, API, integration) using modern frameworks and tools.
• Execute automated tests, analyze results, troubleshoot failures, and provide meaningful quality metrics to stakeholders.
• Collaborate closely with developers, architects, product owners, and automation specialists in an Agile environment.
• Advocate for quality-first engineering practices, ensuring that quality is embedded into every stage of the SDLC.
• Ensure compliance with testing standards, internal policies, and regulatory requirements.
• Identify improvement opportunities in testing processes, tooling, and internal control frameworks.

Requirements:

• Extensive experience across all stages of the software development lifecycle, including system, integration, regression, and acceptance testing.
• 6+ years of hands-on test automation experience, particularly designing automation frameworks.
• Strong knowledge and practical experience with API test automation using tools such as RestAssured, SOAPUI, Postman, or similar.
• Experience implementing automated tests within CI/CD pipelines, including pipeline configuration and test integration.
• Strong understanding of Agile practices, including TDD, BDD, user story testing, and continuous integration workflows.
• Proficiency with SQL/PL/SQL for backend data validation and query-based testing.
• Ability to clearly articulate technical issues, test results, and quality risks to engineering teams and management stakeholders.
• Strong problem-solving skills with the ability to identify control weaknesses and propose improvements.
• Experience working in complex enterprise or regulated environments (financial services is a plus).

Nice to Have:

• Experience testing AI/ML systems, document processing pipelines, or data-heavy workflows.
• Knowledge of performance testing tools (JMeter, Gatling) or security testing practices.
• Experience with Google Cloud tooling or distributed microservices environments.
• Familiarity with test reporting frameworks, quality dashboards, or analytics tools.

We offer*:

• Flexible working format - remote, office-based or flexible
• A competitive salary and good compensation package
• Personalized career growth
• Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)
• Active tech communities with regular knowledge sharing
• Education reimbursement
• Memorable anniversary presents
• Corporate events and team buildings
• Other location-specific benefits

*not applicable for freelancers