Software Development Engineer In Test (SDET)

Are you passionate about delivering high-quality software and eager to make a meaningful impact in a growing SaaS company? As a Software Development Engineer in Test 2 at FMX, you'll play a key role in shaping the future of quality by balancing hands-on testing with automation efforts. In this collaborative and dynamic environment, you'll take ownership of test case design, documentation, automation, and execution, while working closely with developers and stakeholders to ensure the best possible experience for our end users. You'll be working closely with a small team of full-stack developers, along with a close-knit group of quality professionals. If you're seeking a rewarding challenge where you can grow with the product and make a lasting impact, this role is for you. Responsibilities: As the Software Developer in Test 2, you will: Embed quality into every phase of the software development life cycle by working closely with developers, product managers, and other stakeholders to ensure thorough testing coverage from early requirements gathering through final delivery. Develop and maintain automated test scripts to ensure efficient, repeatable testing across releases, focusing on key regression and functional tests while maintaining attention to the user experience. Perform end-to-end, acceptance, and exploratory testing to identify critical bugs and edge cases, acting as the last line of defense before issues reach customers. Design, document, and execute detailed test cases and scenarios to ensure robust test coverage across all features, and maintain them as features evolve. Collaborate with developers to investigate, troubleshoot, and resolve test failures, ensuring any defects are fully addressed before deployment. Advocate for quality by working with the QA Lead to identify areas for process improvement and efficiency gains in both manual and automated testing. Apply learnings from escaped defects to improve test case design and the overall testing process. Raise issues that impact customers before they are reported and act as the voice of the customer throughout the development process. What we're testing: A SaaS web application built using the C#/ASP.NET MVC. APIs with GET, POST, PUT, and DELETE Mobile Application UI/E2E Automation: Maestro (for cross-platform testing on iOS simulators and Android emulators/devices, utili zing YAML for declarative test flows). Various other web client front ends (potentially using Maestro for web UI automation) Requirements Preferred Experience & Qualities: What are we looking for in this role?: 2+ years of experience working on a Scrum/Agile team 2+ years of experience in manual and automated testing for web-based applications. 1+ years working with automation tools like Playwright/Cypress/Selenium and developing scripts for both UI and API testing. Experience with AI coding assistants and agentic workflows in test development (e.g., Claude Code, GitHub Copilot, Cursor,…