Senior Software Development Engineer in Test

Experian is a global data and technology company, powering opportunities for people and businesses around the world. We help to redefine lending practices, uncover and prevent fraud, simplify healthcare, create marketing solutions, and gain deeper insights into the automotive market, all using our unique combination of data, analytics and software. We also assist millions of people to realize their financial goals and help them save time and money.

We operate across a range of markets, from financial services to healthcare, automotive, agribusiness, insurance, and many more industry segments.

We invest in people and new advanced technologies to unlock the power of data. As a FTSE 100 Index company listed on the London Stock Exchange (EXPN), we have a team of 22,500 people across 32 countries. Our corporate headquarters are in Dublin, Ireland. Learn more at experianplc.com.

What you will be doing:

• Design, develop, and maintain automated test frameworks and scripts.
• Collaborate with development and QA teams to identify test requirements and create test plans.
• Execute automated tests and analyze results to identify defects and ensure software quality.
• Develop and maintain continuous integration and continuous deployment (CI/CD) pipelines.
• Work with development teams to ensure testing of new features and bug fixes.
• Participate in sprint planning, daily stand-ups, and other Agile ceremonies.
• Solve issues in the test environments and escalate.
• You will report to an Engineering Manager
• You are required to WFO 2 days a week as its Hybrid working

What we are looking for:

• Bachelor's degree in computer science, Software Engineering, or a related field.
• You should hae 5+ years of experience as an SDET or in a similar role in software development and testing
• Experience with test automation tools and frameworks such as Playwright, Selenium, Appium, or similar.
• Strong programming skills in languages such as C#, Java, JavaScript, Python, Ruby
• Experience with agentic AI tools (GitHub Copilot, Cursor, Claude) and spec-driven agentic development.
• Test Planning (PBI Analysis, Establishing Priorities, Providing Estimates)
• Test Design (Create/Review Test Procedures, Create/Review Test Conditions, Identify/Create Test Data)
• Experience with XML and CSV formats for test data generation.
• Validates Application Programming Interfaces (APIs), assuring the functionality, reliability, performance, and security of the programming interfaces
• Experience with SQL commands to create, store, retrieve, and modify data in a database.
• Experience using AI assistants to generate and maintain test cases, test data, and automation scripts from specs and PBIs, and to triage failures.
• Experience in an AI-Driven Development Lifecycle (AI-DLC): validating AI-generated code and tests, defining acceptance criteria agents can verify, and contributing to quality gates for AI-assisted delivery.
• Experience testing GenAI-enabled features: evaluating LLM outputs for correctness, consistency and safety, building eval datasets, and regression testing prompts and models.
• Familiarity with AI-native testing tools (Playwright MCP, self-healing locators, AI-based visual testing) and with Azure AI Foundry evaluation tooling.

Our uniqueness is that we celebrate yours. Experian's culture and people are important differentiators. We take our people agenda very seriously and focus on what matters; DEI, work/life balance, development, authenticity, collaboration, wellness, reward & recognition, volunteering... the list goes on. Experian's people first approach is award-winning; World's Best Workplaces™ 2024 (Fortune Global Top 25), Great Place To Work™ in 24 countries, and Glassdoor Best Places to Work 2024 to name a few. Check out Experian Life on social or our Careers Site and Glassdoor to understand why.

Experian is also proud to be an Equal Opportunity and Affirmative Action employer. If you have a disability or special need that requires accommodation, please let us know at the earliest opportunity.

Recruitment Fraud Awareness - Experian's recruitment process is conducted only through authorised channels. Recruitment communications will only be sent from an @experian.com email address. Experian will never ask candidates to make any payment as part of an application, interview, assessment, onboarding, or recruitment process. To apply for roles or verify opportunities, please visit experian.com/careers.

Life at Experian

• Support for every family: Maternity, paternity and adoption leave for all parents, plus subsidised childcare for all employees.
• Care when it matters most: Employee Assistance Program, Mental Health First Aiders, and compassionate and domestic violence leave.
• Flexibility that fits your life: Flexible work arrangements, with generous annual, sick and family care leave.
• A community where you belong: Employee Resource Groups, paid volunteer leave and recognition through our One Experian program.
• Growth at every stage: Career mentoring, Harvard Manage Mentor, Experian University and e-learning platforms.

Experian Careers - Creating a better tomorrow together

Find out what its like to work for Experian by clicking here

Experian Careers - Creating a better tomorrow together

Find out what its like to work for Experian by clicking here