Senior Test Automation Engineer / SDET - London - Python, SQL, Big Data and Aladdin - Long Term Contract - Great Rates

• Design, build, and maintain advanced test automation frameworks using Playwright, SpecFlow, and custom tools in C#, Python, and JavaScript/TypeScript.
• Drive end-to-end test coverage across UI, API, and data layers - covering functional, performance, and non-functional testing.
• Be the go-to technical leader, liaising between automation architects, engineering teams, and project stakeholders.
• Champion quality engineering practices and help build a best-in-class QA culture.
• Lead code reviews, guide junior engineers, and implement strategic improvements in tooling and processes.
• Provide technical demos and knowledge sharing across teams.

️ Sector Expertise: Recent, hands-on experience in Asset / Fund / Investment Management is essential. ️ Tech Stack Mastery:

• Languages: C#, Python, JavaScript/TypeScript, SQL

• Frameworks: Playwright, SpecFlow, and custom tools ️ Testing Excellence:

• Strong in data testing (SQL, Snowflake, Databricks)

• Deep understanding of Aladdin, Agile and TDD

• Hands-on with performance/load testing, API, and UI testing ️ Leadership: Proven experience in mentoring, leading test strategy, and improving quality processes ️ Tooling: Confident using Azure DevOps, Git, Jira, Confluence, Visio, PowerPoint, and Excel

Bonus Points For

Experience with Charles River or Aladdin platforms Exposure to large-scale transformation programs Cloud testing in Azure environments, If you're a senior-level Test Automation Engineer or SDET with a background in asset or investment management, and you're ready to shape next-gen testing frameworks, we'd love to hear from you.

What's In It for You?

• A collaborative environment where quality is at the heart of everything
• Ownership of strategic testing initiatives in a critical industry
• The opportunity to work with some of the most advanced testing stacks in financial tech
• Be part of a diverse, passionate team that values technical excellence and continuous improvement
• Competitive salary, flexible working, and a strong focus on work-life balance

Ready to Make an Impact?

Are you an experienced SDET with a passion for financial services and high-impact testing solutions? At Resillion, we're not just testing software - we're shaping the future of Asset and Fund management on an Aladdin platform with cutting-edge automation and intelligent engineering. We offer the chance to work on complex, enterprise-level projects involving technologies like Aladdin, Azure Service Bus, Charles River, SAP, and in-house Python-based applications. You'll use modern tools like Playwright, SpecFlow, and Python in a TDD-first, Agile environment, helping deliver high-quality solutions at scale.