QA Engineer (C#)

Location: London, UK — hybrid

Company

SS&C provides AI-powered software and services for financial services and healthcare organizations, including solutions delivered through its partnership with Calastone.

What you will do

• Design, develop, and maintain automated functional and regression test suites using C#/.NET, BDD frameworks, and modern automation tools.
• Perform functional, regression, API, UI, and exploratory testing across financial services products.
• Integrate automated testing into CI/CD pipelines using GitHub Actions.
• Use Claude Code, GitHub Copilot, and MCP integrations to accelerate test creation, defect investigation, and impact analysis while validating generated output.
• Collaborate with engineering, product, DevOps, operations, and client delivery teams to clarify requirements and support successful releases.
• Maintain BDD scenarios, automated scripts, QA documentation, and automation standards while improving quality engineering processes.

Requirements

• Experience developing automated test frameworks with C#/.NET or Java and SpecFlow, Reqnroll, or similar BDD frameworks.
• Strong experience with REST API and UI automation using Playwright, Selenium WebDriver, or comparable tools.
• Knowledge of CI/CD pipelines, GitHub Actions, version control, and modern software delivery practices.
• Strong SQL skills and experience validating complex relational datasets.
• Experience with AI-assisted coding tools and the ability to critically validate AI-generated results.
• Understanding of software testing principles, agile methodologies, test design techniques, automation best practices, and cross-functional collaboration.

Nice to have

• Financial services or fintech testing experience, including XML, JSON, FIX, SFTP, or Swift messaging.
• Experience with MCP integrations, AI agent workflows, event-driven architectures, Azure Service Bus, or Azure Kubernetes Service.
• Knowledge of NeoLoad or other non-functional testing tools.
• Understanding of European mutual funds or ETF systems.
• ISTQB certification or equivalent.

Culture & Benefits

• Hybrid work model.
• Professional development reimbursement and access to SS&C University.
• Competitive holiday scheme and wellbeing benefits.
• Hands-on, team-customized training throughout the career.
• Commitment to diversity, inclusion, and equal employment opportunity.