Senior Software Developer in Test (SDET)
Dooly
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USD 120k-140k / year
Posted on Oct 7, 2025
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:
- Deep experience building and scaling automated test infrastructure in SaaS or cloud-based platforms.
- Strong coding skills in one or more languages (e.g., Java, JavaScript/TypeScript, Python, C#).
- Ability to design and maintain integration and end-to-end test systems.
- A proven track record of evaluating and implementing testing tools/frameworks.
- Experience creating and maintaining data fixtures in complex test environments.
- Strong communication and collaboration skills; you thrive in open discussions, value feedback, and connect testing practices to customer and product outcomes.
- A teaching mindset; enabling others is as important to you as writing great tests yourself.
- Bonus: Familiarity with CI/CD systems (e.g., Jenkins, GitHub Actions, Semaphore).oo
$120,000 - $140,000 a year
At Mediafly/Dooly, we believe that pay transparency is essential to building trust, promoting fairness, and driving equity in the workplace. By openly sharing salary ranges in our job postings, we aim to empower candidates with clear expectations and ensure that all employees are valued for their contributions. This commitment reflects our dedication to fostering an inclusive culture where everyone has access to opportunity and growth. We believe that transparency not only strengthens our hiring process but also reinforces our core values of integrity, accountability, and respect.
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:
- Shape testing practices for a fast-growing SaaS platform.
- Help modernize a legacy codebase while delivering new features.
- Collaborate directly with product and engineering leadership.
- See your impact in faster releases, fewer regressions, improved developer productivity, and happier customers.
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.
Flexible working hours
Generous Paid Time Off
Competitive Salary
Health Benefits
Transparent Career Paths
Generous Paid Parental Leave
Remote Stipend
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. We welcome people of different backgrounds, experiences, abilities and perspectives and encourage all interested individuals to apply.
Thanks to our commitment to employee experience, Mediafly has been recognized as a Best Place to Work from Crain's, Inc. and BuiltIn.
Mediafly's HQ is based in Chicago, IL.
This job is no longer accepting applications
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