Senior QA Engineer

Fastn is on a mission to revolutionize how SaaS companies connect with their customers' environments. Powered by AI, we provide an embedded integration infrastructure that enables SaaS businesses to build, scale, and manage their integration ecosystem effortlessly.

With Fastn, companies can launch strategic integrations, create their own app marketplace, and unlock new revenue streams by offering seamless connectivity with the tools their customers already use. But our platform is more than just integrationsits about accelerating market penetration, driving partner-sourced revenue, and delivering smarter, more valuable customer experiences.

If youre passionate about ensuring high-quality, scalable, and secure SaaS products , Fastn is the place to be.

What Youll Do

As a Senior / Lead QA Engineer , you will play a key role in defining, implementing, and optimizing Fastns quality assurance strategy . You will work closely with engineering, product, and customer success teams to ensure that our AI-powered integration platform meets the highest standards of performance, reliability, and security .

Your Responsibilities

• Test Strategy & Automation : Define and execute test automation strategies for API, backend, and UI testing.
• Scalability & Performance Testing : Design and implement performance, stress, and load testing for high-throughput, low-latency systems handling millions of transactions per second / minute
• End-to-End Testing : Develop and maintain automated and manual test suites to validate SaaS integrations, API functionality, and AI-driven automation workflows.
• CI / CD & Release Quality : Work closely with DevOps and engineering teams to integrate automated tests into the CI / CD pipeline, ensuring smooth and reliable deployments.
• Security & Compliance Testing : Implement best practices for API security testing, authentication validation (OAuth, JWT, OpenID), and compliance adherence (SOC 2, GDPR, etc.) .
• Defect Management : Identify, document, and track bugs, ensuring timely resolution and maintaining high product quality.
• Collaboration & Leadership : Work cross-functionally with product managers and engineers to define acceptance criteria, review test cases, and mentor junior QA engineers .
• Monitoring & Observability : Implement tools and frameworks for real-time monitoring of integration health, failure detection, and issue diagnosis .

What Were Looking For

Were seeking a highly skilled QA leader who is passionate about test automation, performance engineering, and building scalable testing frameworks . If you thrive in high-growth, fast-paced startup environments , this role is for you.

Must-Have Skills & Experience

Nice-to-Have Skills

Experience with AI / ML-driven testing automation .

Hands-on experience testing iPaaS, SaaS integrations, or API marketplaces .

Familiarity with event-driven architectures, message queues (Kafka, RabbitMQ, etc.), and microservices testing .

Why Join Fastn?

Join Us in Building the Future of SaaS Connectivity!

If youre excited to lead testing efforts, automate quality assurance, and ensure high-performance integrations , wed love to hear from you.

Apply now and help shape the future of SaaS integrations!

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