Senior SDET ensuring high - quality standards for Smart TV streaming applications at Angel. Leading automation and quality strategies for an engaging audience experience.
About the role
- Senior Software Test Engineer designing and maintaining Python-based test automation frameworks for NinjaTrader. Collaborating with developers to enhance services observability and testability.
Responsibilities
- Design, architect, and maintain a scalable, extensible Python-based test automation framework using PyTest
- Define automation strategy and quality gates for back-office services and workflows
- Write and maintain robust functional test suites for backend and service-layer applications
- Evaluate existing test coverage, identify systemic gaps, and implement additional functional and integration tests
- Develop integration tests across Python-based services, GCP Pub/Sub messaging systems, and Oracle databases
- Design test data management strategies for complex distributed workflows
- Implement mocks and stubs for middleware, databases, and third-party dependencies to enable isolated and deterministic testing
- Partner with developers to build automation-friendly services and improve system observability and testability
- Improve overall test reliability by identifying, debugging, and eliminating flaky tests
- Lead code reviews for automation and proactively drive improvements in test coverage, maintainability, and engineering standards
- Integrate automated test execution into CI/CD pipelines with single-click batch execution and automated reporting
- Define and implement build certification and deployment validation processes across environments
- Debug production issues using logs, database traces, and service telemetry to enhance test coverage and prevent regressions
- Contribute to performance, resilience, and fault-tolerance testing strategies for distributed systems
- Mentor QA engineers and developers on automation design principles, framework usage, and best practices
- Enforce adherence to NinjaTrader SDLC and information security standards
- Work ahead of feature delivery to ensure test architecture evolves alongside system complexity
Requirements
- 5+ years of experience in QA automation and software testing, with demonstrated senior-level ownership of automation initiatives
- Strong expertise in Python test automation frameworks such as PyTest (Robot Framework experience is a plus)
- Proven experience designing automation frameworks from the ground up
- Deep experience testing backend services, REST APIs, and distributed systems
- Hands-on experience validating event-driven architectures using messaging platforms such as GCP Pub/Sub
- Strong experience with relational databases (Oracle preferred), including data validation and complex query verification
- Solid understanding of system testing methodologies, SDLC/STLC, and automation best practices
- Experience designing and implementing integration testing strategies across asynchronous systems
- Proficiency with Linux command-line tools and log analysis
- Experience integrating automation into CI/CD tools such as Jenkins or GitHub Actions
- Familiarity with infrastructure-as-code tools such as Terraform or Ansible
- Experience testing cloud-native applications (GCP preferred)
- Exposure to performance, load, or resilience testing in distributed systems
- Financial trading systems experience is a plus
- Excellent communication, collaboration, and analytical problem-solving skills
- Demonstrated ability to mentor engineers and influence quality practices across teams
Benefits
- Generous PTO
- 7 Paid Holidays Annually + 5 Conditional Holidays Annually
- 1 Service Day Annually
- 401k with 3.5% Company Match
- Paid Parental Bonding Leave
- Health, Vision, Dental Coverage
- Life and Disability Insurance Covered 100% by NinjaTrader
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