Software QA Fullstack

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October 22

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Quartermaster

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Artificial Intelligence • Cybersecurity • Transport

Quartermaster is a company redefining maritime intelligence by providing unmatched precision and visibility in real-time to monitor the world's most remote waters. Their AI-powered SmartMast system transforms everyday vessels into a comprehensive ocean intelligence network, significantly enhancing the monitoring of maritime activities and addressing issues such as smuggling and illegal fishing. By leveraging onboard sensors and high-bandwidth satellite connectivity, Quartermaster delivers high-resolution detections and actionable insights to users, ensuring enhanced maritime awareness and decision-making.

2 - 10 employees

Founded 2023

🤖 Artificial Intelligence

🔒 Cybersecurity

🚗 Transport

📋 Description

• Design, build, and maintain automated and manual test suites for React-based UI, Node.js/Express APIs, MongoDB data operations, real-time data streams, AWS cloud deployments and microservices. • Own end-to-end quality pipelines for streaming features, including performance benchmarking, packet loss validation, and reconnection/recovery scenarios. • Develop and execute high-fidelity integration, regression, and load tests using tools like Playwright, Cypress, Postman, or K6. • Automate testing of authentication, JWT tokens, role-based access, and edge-case behaviors (rate-limiting, timeouts, latency spikes). • Drive cross-browser and cross-device QA strategies including accessibility (WCAG), responsiveness, and UX testing. • Build mocks, stubs, and simulators for hardware-integrated endpoints and real-time systems. • Work closely with developers, DevOps, and product managers to establish test coverage metrics, acceptance criteria, and release readiness gates. • Continuously improve QA practices, tools, and infrastructure—introducing innovations that improve speed, coverage, and reliability. • Validate API correctness, including authentication (JWT), role-based access controls, and rate-limiting behavior. • Ensure frontend consistency across supported browsers and screen sizes, testing for usability and accessibility. • Collaborate with developers to build QA coverage for real-time features (e.g. Socket.IO notifications and live updates).

🎯 Requirements

• 4+ years of experience in software QA, with at least 2 years focused on streaming systems and real-time applications. • Deep understanding of modern fullstack architecture—React, Node.js, MongoDB, WebSockets/Socket.IO, REST APIs, and AWS-based systems. • Proven experience with test automation frameworks (Playwright, Cypress, Selenium, etc.), and scripting in JavaScript/TypeScript or Python. • Mastery of HTTP/HTTPS protocols, JSON, WebSocket frames, and request/response debugging. • Experience with performance testing and tools like K6, Artillery, or JMeter. • Skilled in CI/CD QA integration (GitHub Actions, CircleCI, Jenkins, etc.). • Able to define and enforce QA standards in high-paced agile teams. • Excellent communication and collaboration skills—able to mentor others and lead quality-first initiatives.

🏖️ Benefits

• Competitive salary • Flexible work hours and the option for remote work. • Opportunities for professional development and continued education.