Senior QA Engineer

Senior QA Engineer

Location: Remote
Type: Fulltime

About Fastn

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 partnersourced revenue and delivering smarter more valuable customer experiences.

If youre passionate about ensuring highquality 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 AIpowered 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 highthroughput lowlatency systems handling millions of transactions per second/minute
• EndtoEnd Testing: Develop and maintain automated and manual test suites to validate SaaS integrations API functionality and AIdriven 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 crossfunctionally with product managers and engineers to define acceptance criteria review test cases and mentor junior QA engineers.
• Monitoring & Observability: Implement tools and frameworks for realtime 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 highgrowth fastpaced startup environments this role is for you.

MustHave Skills & Experience

• 5 years of experience in software quality assurance with a strong focus on test automation and performance testing.
• Expertise in test automation frameworks like Selenium Cypress Playwright or equivalent.
• Strong programming skills in Python Java or JavaScript for test automation.
• Experience with API testing tools like Postman RestAssured or similar.
• Proven ability to test distributed highscale systems handling millions of transactions per second/minute.
• Handson experience with performance testing tools like JMeter Gatling or k6.
• Experience with CI/CD pipelines (GitHub Actions Jenkins CircleCI etc.).
• Knowledge of cloud platforms (AWS GCP or Azure) and containerization (Docker Kubernetes).
• Familiarity with security testing practices for APIs and authentication mechanisms.
• Strong problemsolving skills and ability to lead testing initiatives and mentor junior engineers.

NicetoHave Skills

• Experience with AI/MLdriven testing automation.

• Handson experience testing iPaaS SaaS integrations or API marketplaces.

• Familiarity with eventdriven architectures message queues (Kafka RabbitMQ etc.) and microservices testing.

Why Join Fastn

• Define the Future of QA in SaaS Integrations Build and lead the testing strategy for a nextgeneration AIpowered platform.
• Work on HighScale HighPerformance Systems Solve complex testing challenges in distributed architectures.
• HighImpact Leadership Role Drive testing automation and mentor a growing QA team.
• Strong Engineering Culture Collaborate with worldclass engineers solving largescale challenges.
• Competitive Compensation Marketleading salary meaningful equity and a flexible remote work environment.

Join Us in Building the Future of SaaS Connectivity!

If youre excited to lead testing efforts automate quality assurance and ensure highperformance integrations wed love to hear from you.

Apply now and help shape the future of SaaS integrations!