Senior SDET; Software Development Engineer in Test

Apex Trader Funding is a leading proprietary trading firm specializing in futures trading. As a fully remote company, we empower employees through innovation, transparency, accountability, and continuous growth. Our mission is to create opportunity by combining cutting-edge technology with a culture grounded in integrity, collaboration, operational excellence , and long-term success.

We believe great results come from diverse perspectives, clear expectations, and trust. At Apex, we encourage individuals to take ownership of their work while participating in a highly skilled, supportive, and results-driven team.

Our values, integrity, collaboration, operational excellence ,continuous growth, and attention to detail, guide how we work, make decisions, and deliver results.

We’re looking for a Senior SDET who blends world-class software engineering skills with a passion for building scalable, reliable, and maintainable automated testing systems. In this role, you will design and evolve our automation frameworks, strengthen developer workflows, enhance CI/CD quality gates, and enable the engineering org to deliver high-quality software ’ll engineer the systems that make quality measurable, repeatable, and automated —not just test the product, but shape how the entire organization tests.

• Architect, build, and maintain Playwright-based automation frameworks using
  
  Type Script/Node.js.
• Develop reusable fixtures, helpers, abstractions, and test infrastructure.
• Implement network mocking/stubbing, service virtualization, API layers, data factories,and contract testing.
• Build selector strategies, concurrency models, and fault‑tolerant automation.
  
  Integrate suites into CI/CD with parallelization, retries, flake analysis, and intelligent test selection.
• Own quality-related telemetry: traces, screenshots, logs, metrics.
• Build quality dashboards tracking stability, coverage, and reliability.
  
  Influence system design for testability.
• Build component, integration, and contract testing layers.
• Mentor QAEs, STEs, and developers on testing best practices.
• Document patterns, tools, and guidelines.
  
  Drive evolution of testing ecosystem.

• 5–8+ years in software testing/engineering with senior-level automation experience.
• Strong engineering background:
  Type Script/Node.js, async patterns, SOLID principles.
• Strong API and network-level understanding.
• CI/CD experience with Docker and execution pipelines.
• Strong debugging skills across UI, API, and distributed systems.

• Contract testing (Pact), schema validation, or service virtualization.
• Experience with observability systems (Grafana, Datadog, Open Telemetry).
• Performance testing (Lighthouse, Playwright Tracing, k6).