Sr. SDET

Who We Are:

TradeStation is the home of those born to trade. As an online brokerage firm and trading ecosystem, we are focused on delivering the ultimate trading experience for active traders and institutions. We continuously push the boundaries of what's possible, encourage out-of-the-box thinking, and relentlessly search for like-minded innovators.

At TradeStation, we are building an AI-First culture. We expect team members to embrace AI as a core part of their daily workflow, whether that’s using AI to accelerate development, enhance decision-making, improve client outcomes, or streamline internal processes. We hire, grow, and promote people who can harness AI responsibly and creatively. We treat AI as a partner in problem-solving, not just a tool; following our governance standards to ensure AI is used ethically, securely, and transparently. If you join us, you’re joining a culture where AI is how we work.

Are you ready to make yourself at home?

What We Are Looking For:

The Software Development Engineer in Test is an engineer who is focused on quality. The candidate will assist us in continuous integration by championing a high level of quality in our deliverables and by developing/designing test frameworks, fixtures, and practices.

What You’ll Be Doing:

• Testing of complex web applications and web API's
• Test plan creation, automation and execution
• Document and track program defects
• Participate in code reviews
• Provide continuous integration test support
• Provide guidance to the rest of the team on designing for testability
• Create and manage automated testing suites
• Create, automate, and execute test plans that generate artifacts to validate proper functioning of the app, and also provide quality-related metrics
• Research and apply emerging test tools, trends and methodologies
• Must have a passion for analysis and testing
• Strong technical skills and raw intellectual ability
• Ability to turn requirements into tests
• Strong organization and prioritization skills
• Demonstrated oral and written communication skills and the ability to adapt and learn

• Cloud native technologies in AWS or Azure, including Kubernetes
• Broad knowledge of JavaScript both in the browser and in NodeJS
• Web technologies (JavaScript, HTML, CSS, HTTP, REST, WebSocket, etc.)
• Web application debug tools (Curl, Fiddler, Wireshark, Chrome Developer Tools, etc.)
• Understanding of C# and .NET & .NET Core
• Practical asynch programming & multithreading experience
• Moderate database experience (i.e. Sql Server, NoSQL, Redis)
• Experience testing Web sites and/or RESTful services on a Microsoft stack (ASP.NET, Javascript, JSON, HTML, IIS)
• One or more scripting languages suitable for automation such as Bash or Python
• Continuous build integration tools (GitLab CI, Azure DevOps, etc.)
• Familiarity with containerization software such as Docker
• Agile Development preferred
• Test Driven Development (TDD) preferred
• Brokerage/trading platform experience preferred
• Real-time low latency streaming preferred
• Distributed Source Control tools (Git, Mercurial) preferred
• Cloud architecture and deployment (AWS or Azure) preferred
• Multiple programming languages preferred
• Oauth 2.0 preferred
• Experience with Visual Studio preferred

• Bachelor’s degree or equivalent work experience
• 3-5 years application testing or developing

• Collaborative work environment
• Competitive Salaries
• Yearly bonus
• Comprehensive benefits for you and your family starting Day 1
• Unlimited Paid Time Off
• Flexible working environment
• TradeStation Account employee benefits, as well as full access to trading education materials