Senior Software Developer in Test (SDET)

Who we are :

At Mediafly, we help the world’s top revenue teams work smarter and achieve measurable impact. Our platform brings together sales enablement, content, and performance insights so sellers have the coaching, tools, and intelligence they need to succeed. By weaving value selling into every workflow, we empower teams to accelerate deal cycles, boost win rates, and prove ROI.

For you, that means joining a company where innovation meets purpose—where your work helps businesses deliver more meaningful buyer experiences and drives results that truly matter. You’ll be part of a collaborative, growth-focused team that values expertise, creativity, and human connection.

Join a small, high-impact team supporting a product line with multi-million dollar annual recurring revenue. We’re at an inflection point : after years of rapid growth on our legacy codebase, we’re now strengthening our foundation and modernizing our systems while continuing to deliver customer value. As a Senior Software Developer in Test (Senior SDET) , you’ll play a key role in this journey helping stabilize existing test suites, introducing modern frameworks, and building practices that improve both code quality and developer productivity.

What you'll do :

• Own Testing for Your Team : Lead test automation strategy and infrastructure within your team or product area, collaborating with other senior and cloudops engineers to align practices.
• Build Test Infrastructure : Design and maintain robust end-to-end and API integration test systems.
• Evaluate & Implement Tools : Identify the right testing frameworks (e.g., Playwright, Cypress, Pytest, Pact, TestContainers) and drive their adoption within your team.
• Create Reliable Fixtures : Develop reusable test data setups that support consistent integration and end-to-end testing.
• Stabilize & Modernize : Improve reliability of existing test suites while introducing automation architecture and modern testing practices into a legacy codebase.
• Ensure Scalability : Design test suites to be maintainable, performant, and scalable as our platform grows.
• Enable Your Team : Mentor engineers, improve testability in codebases, and help teammates confidently contribute automated tests.
• Communicate & Collaborate : Partner closely with teammates and product managers, sharing context openly, giving and receiving feedback, and grounding test coverage in real customer workflows.
• Improve Developer Experience : Embed reliable, fast-running tests into CI / CD pipelines and workflows, reducing friction and improving developer productivity.
• Raise the Bar : Advocate for quality in planning and design discussions, ensuring testing is built into how features are developed.

You’ll Be Successful in This Role With :

Mediafly offers a salary range of $120,000 - $140,000 a year.

Why Join Us?

As a Senior SDET, you’ll make a direct impact on your team’s velocity and confidence in shipping. This isn’t a ‘QA tester’ role; you’ll be a developer who builds the systems, practices, and provides mentorship that empower others to write tests and deliver a quality product.

You’ll have the opportunity to :

Ready to make an impact on a product that matters? Apply today and help build the next generation of our platform!

Location and Work Setup

This is a 100% remote position with a collaborative team that values flexibility and trust. We use modern communication and collaboration tools to stay connected and productive across time zones.

Benefits include :

Mediafly is an equal opportunity employer, which means we do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression. We celebrate diversity and are committed to creating an inclusive environment for all employees.

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