EXL (NASDAQ: EXLS) is a global data and artificial intelligence ("AI") company that offers services and solutions to reinvent client business models, drive better outcomes and unlock growth with speed. EXL harnesses the power of data, AI, and deep industry knowledge to transform businesses, including the world’s leading corporations in industries including insurance, healthcare, banking and financial services, media and retail, among others. EXL was founded in 1999 with the core values of innovation, collaboration, excellence, integrity and respect.
We are headquartered in New York and have more than 60,000 employees spanning six continents. For more information, visit www.exlservice.com.
Location: Northampton, United Kingdom (Flexible hybrid working)
Employment Type: Fixed Term Contract – long term
Summary of the role
We are seeking an experienced QA Engineer with strong hands-on expertise in manual and automated testing, REST API validation, JSON schema validation, and Python-based simulation.
This role focuses on validating end-to-end workflows across credit cards, loans, and lending platforms. You will be responsible for ensuring the accuracy of decisioning logic, API behaviour, data flows, and system integrations within complex banking environments.
The role requires strong communication skills, effective collaboration across multi-disciplinary teams, and the ability to work independently with a high level of ownership and accountability.
As part of your duties, you will be responsible for:
- Performing manual and automated testing of REST APIs, decisioning components, and end-to-end integration workflows
- Conducting JSON schema validation, payload structure checks, and API contract verification
- Reviewing and validating API documentation using Swagger and OpenAPI specifications
- Developing Python scripts for simulation, test automation, and data validation
- Preparing, maintaining, and executing test plans, test cases, and use cases
- Validating decision strategy outputs, API request and response mappings, and ODS data
- Logging, tracking, and managing defects using JIRA and producing XRAY execution reports
- Working closely with development, business analysis, and strategy teams to ensure high-quality deliverables
- Participating in Agile ceremonies and supporting performance and monitoring activities where required
Qualifications and experience we consider to be essential for the role
- Testing: Manual testing, REST API testing, automation testing
- Tools: Python, Karate, Excel, LoadRunner, Insomnia or Bruno
- CI/CD: GitLab, Jenkins
- Monitoring: Kibana, AppDynamics
- Concepts: SDLC, TDD, OAuth, authentication and authorisation, tokenisation and detokenisation
- Desirable: Experience validating Experian Strategy Manager and Experian Open Data Platform
Skills and Personal attributes we would like to have
- Strong analytical and problem-solving skills with high attention to detail
- Ability to understand complex decisioning logic and data-driven workflows
- Confident working with APIs, structured data, and validation frameworks
- Comfortable working independently while taking full ownership of assigned work
- Clear and effective communicator with both technical and non-technical stakeholders
- Strong collaboration skills and a proactive team player mindset
- Well-organised, with the ability to manage multiple priorities in a fast-paced environment
- Practical, delivery-focused approach with a strong quality mindset
- Experience working in Agile delivery environments
As part of a leading global analytics and digital solutions company, you can look forward to
- A competitive salary with private healthcare, critical illness life assurance at 4 x your annual salary, income protection insurance, and a rewarding pension.
- At EXL, we are committed to providing our employees with the tools and resources they need to succeed and excel in their careers. We offer a wide range of professional and personal development opportunities. We also support a range of learning initiatives that allow our employees to build on their existing skills and knowledge. From online courses to seminars and workshops, our employees have the opportunity to enhance their skills and stay up to date with the latest trends and technologies.
- As an Equal Opportunity Employer, EXL is committed to diversity. Our company does not discriminate based on race, religion, colour, national origin, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, age, or disability status.
- At EXL, we offer a flexible hybrid working model that allows employees to live a balanced, healthy lifestyle while strengthening our culture of collaboration
To be considered for this role, you must already be eligible to work in the United Kingdom.
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