Senior Software Development Engineer in Test, Vonage

• B.S./B.A. degree in Engineering, Science, or Mathematics, or equivalent technical experience
• Proficiency in Python 3 and testing frameworks such as Pytest or Pytest-Bdd
• Proven experience designing and implementing automated test suites that measurably reduce defect escape
• Expert debugging and profiling skills (logs, traces, profiling) with a bias for rapid root-cause isolation
• Strong understanding of API design with knowledge of REST APIs and ability to design whole systems
• Influential cross-team partner who mentors peers, drives consistent quality patterns, and advocates for secure architectures
• Proactive collaboration and communication to surface risks early, clarify ambiguity, and keep stakeholders aligned
• There’s no perfect candidate. You don't need all the preferred qualifications to make a valuable impact on our team. Our employees and customers come from diverse backgrounds, so if you're passionate about what you could achieve at Vonage, we'd love to hear from you

Desirable

• You are a senior technical leader who architects and drives quality, security, and observability across the entire software development lifecycle, ensuring our Network API platforms (e.g., CAMARA) are reliable at scale and accelerating developer productivity
• Architect and evolve automated test frameworks and cases for our global telco operator APIs and customer-facing interfaces
• Influence architecture and design reviews with a focus on testability, performance, and long-term automation strategy
• Partner with Product to turn concepts into clear, testable requirements, acceptance criteria, and debugging strategies
• Own initiatives end-to-end—from ideation through implementation, automated validation, deployment, and monitoring
• Build and maintain scalable CI/CD-aligned test suites (unit, integration, contract, performance, security) and close coverage gaps
• Mentor peers and collaborate across teams to standardize tooling and solve common quality/observability challenges
• Continuously improve processes, tooling, and documentation, capturing root causes to raise the quality bar