Senior QA Engineer, Platform

Responsibilities

• Own end-to-end functional testing for Platform services across API, event, and database layers.
• Design and validate service contracts and identify breaking changes before they affect downstream teams.
• Build and maintain Java test automation using REST Assured and Postman, with Playwright or Selenium where applicable.
• Write SQL and perform data validation across APIs, event streams, and persisted state.
• Test asynchronous and event-driven workflows, including retries, idempotency, ordering, and failure recovery.
• Verify security fixes and authentication and authorization paths.
• Detect configuration drift and assess the blast radius and regression scope of Platform changes.
• Integrate automated test suites into GitLab CI/CD pipelines.
• Partner with Platform engineers to build testability into services from the design stage.
• Manage test cases and defects in Jira and support efficient agile workflows.
• Use Claude and Cursor to accelerate test development, test-data generation, defect triage, and reporting.
• Champion continuous improvement across the testing function.

Requirements

• At least 5 years of experience as a QA Engineer or Software Test Engineer, ideally in B2B financial services, fintech, or SaaS.
• Strong hands-on experience testing backend services and APIs, including exploratory and contract-level testing.
• Experience testing microservices and distributed systems across service boundaries.
• Experience building, maintaining, and executing test plans with cross-functional teams.
• Experience working in agile environments with regular release cadences and maintaining automated regression coverage.
• Bachelor’s degree in Computer Science or a related field.
• Proficiency with SQL and direct database validation, plus proficiency with Java or another object-oriented language.
• Hands-on experience building API automation with REST Assured and Postman.
• Ability to learn and work with backend technologies such as Spring Boot, Postgres, Kubernetes, Kafka, Temporal, and Snowflake.
• Experience with continuous integration and continuous delivery pipelines, with GitLab experience preferred.
• Familiarity with PII-focused data encryption methodologies, Kafka, Debezium, Temporal, and OpenTelemetry.
• Performance or load testing experience, feature-flag testing experience, or experience testing AI-powered applications is a plus.
• Knowledge of brokerage platforms and financial services, including margin, options, account types, and trade lifecycle, is a plus.
• Strong ownership, communication, judgment, resilience, and creative problem-solving skills.

Benefits

• Premium HMO and PPO healthcare, dental, and vision insurance plans.
• 401(k) savings plan with a 4% match and immediate vesting.
• Sixteen weeks of paid parental leave after one year of employment.
• Professional growth opportunities, an employee mobility program, and an annual learning and development budget.
• Company perks program with discounts on pet insurance, fitness, cell phone plans, travel, and more.
• Financial guidance program covering debt, personal spending, saving, planning goals, and home-purchasing preparedness.
• One month of work-from-anywhere eligibility, except in certain countries.
• Amenity-filled offices are available in Culver City, California; San Francisco, California; and Dallas, Texas.