About The Codebox The Codebox is an Israeli-founded outsourcing company based in the Philippines. We build high-performing remote teams for fast-growing global tech companies - with a strong focus on quality, innovation, and long-term growth. Whether you&aposre a developer, tester, or infrastructure engineer - you&aposll be part of a collaborative environment where your work directly impacts production quality. We&aposre looking for a QA Automation Engineer to join a leading backend engineering team and take ownership of test automation for a modern Node.js stack. What You'll Do In this role, you&aposll be responsible for building and maintaining automated tests across the entire backend - from APIs to data flows to infrastructure. Design and implement unit, integration, and end-to-end tests for Express, Next.js, and NestJS services Validate system behaviour in containerized environments (AWS Fargate, Kubernetes) Ensure correctness of interactions with MongoDB, ClickHouse, and other datastores Embed tests into CI/CD workflows (GitHub Actions) to prevent regressions and surface issues early Monitor, debug, and troubleshoot flaky tests using ECS logs, Grafana, and CloudWatch Contribute to a healthy code review culture and stable versioning practices What We're Looking For Strong hands-on experience with automated test frameworks : Jest, Mocha, Node Test, etc. Deep understanding of test design : unit, integration, and end-to-end suites Experience testing REST / GraphQL APIs - no manual UIs Background in CI/CD integration - GitHub Actions preferred Working knowledge of JavaScript/TypeScript and Node.js environments Familiarity with MongoDB , ClickHouse , or other modern databases Container-based mindset - Docker, Fargate, Kubernetes Git workflows, PR discipline, and clean code standards Nice to Have Browser automation: Playwright, Puppeteer, Selenium Load & performance testing: API tracing, JS page metrics Infrastructure as Code: Terraform, Docker Compose Security testing: OWASP ZAP, CVE scanning, dependency monitoring Observability: Writing probes that surface metrics into CloudWatch / Grafana What We Offer Join a high-performing global team working with modern infrastructure Build automation that truly matters in production environments Room for technical growth and ownership Long-term, stable opportunity with competitive compensation Show more Show less