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

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. Experience with

API testing tools

like Postman, RestAssured, or similar. Proven ability to test

distributed, high-scale systems

handling

millions of transactions per second / minute . Hands-on 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 problem-solving skills and ability to

lead testing initiatives and mentor junior engineers . 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?

Define the Future of QA in SaaS Integrations

Build and lead the testing strategy for a next-generation AI-powered platform. Work on High-Scale, High-Performance Systems

Solve complex testing challenges in distributed architectures. High-Impact, Leadership Role

Drive testing automation and mentor a growing QA team. Strong Engineering Culture

Collaborate with world-class engineers solving large-scale challenges. Competitive Compensation

Market-leading salary, meaningful equity, and a flexible remote work environment. Join Us in Building the Future of SaaS Connectivity!

If you're 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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