Software Development Engineer in Test (SDET) II

Summary

Join Capital Markets Gateway LLC (CMG) as a Software Development Engineer in Test 2 and contribute to building efficient and accurate enterprise solutions for the financial industry. You will play a key role in enhancing test infrastructure, creating automated testing processes, and collaborating with various teams to ensure high-quality product launches. Responsibilities include designing and maintaining scalable test infrastructure, collaborating with product and engineering teams, developing automated testing strategies, creating reusable tooling, identifying gaps in testing, analyzing and debugging failures, and championing a quality engineering culture. The ideal candidate possesses 5+ years of experience in JavaScript/TypeScript development or test automation, expertise in automated testing frameworks, and a deep understanding of full-stack web application architecture. CMG offers a 2+ year contract, 15 business days of vacation, tech courses and conferences, a top-of-the-line MacBook, a fully remote work environment, and flexible working hours.

Requirements

• English level - C1 or C2
• Proven experience as a Software Developer in Test 2 (SDET2) or similar role
• 5+ years of experience in JavaScript/TypeScript development or test automation
• Expert in automated testing and modern testing frameworks (e.g., Playwright, Jest, xUnit)
• Deep understanding of full-stack web application architecture (frontend to production)
• Structured, detail-oriented thinker with awareness of broader system goals
• Quick learner, self-motivated, and comfortable working with minimal supervision
• Strong analytical, problem-solving, and communication skills (written and verbal)
• Enjoys team collaboration, continuous learning, and building scalable solutions
• Data-driven mindset with a preference for experimentation and iterative improvement

Responsibilities

• Design, build, and maintain scalable test infrastructure, automation frameworks, and developer-facing tools to accelerate testing and improve product reliability
• Collaborate closely with Product Managers, Developers, and Designers to ensure testability is built into features and system architecture from the start
• Develop strategies for integrating automated tests deeply into CI/CD pipelines, enabling fast and reliable feedback loops across all stages of development
• Create reusable tooling and libraries that allow engineering teams to easily write, run, and maintain automated tests for APIs, services, and full-stack applications
• Proactively identify gaps in existing testing strategies and design new systems to improve test coverage, efficiency, and scalability across the platform
• Analyze and debug complex failures in automated test systems, differentiating between test infrastructure issues and product defects
• Champion a quality engineering culture across the organization, mentoring developers on writing effective tests, improving code testability, and leveraging automation tooling
• Drive continuous improvement of QA automation tooling, test data management solutions, and environment reliability to support rapid product development at scale

Benefits

• 2 year+ contract
• 15 business days of vacation
• Tech courses and conferences
• Top-of-the-line MacBook
• Fully remote working environment
• Flexible working hours