Senior Software Developement Engineer in Test (SDET), Mexico City
The Senior SDET (Software Development Engineer in Test) will play a critical role on testing applications in an automated fashion for Lab49 clients. Working in a collaborative and innovative project team, with direct client‑facing interactions, you will have an opportunity to apply your skills and expertise to create automated testing capabilities for applications that solve business problems and enhance performance for the clients.

Key Responsibilities

Designing and building advanced testing capabilities for applications across platforms, while understanding our products from both a technical and business perspective

Communicating with leadership, product owners, other technologists and users to create working testing software based on an understanding of business and technical priorities

Building scalable Test Automation Framework utilizing industry leading tools like Playwright, Robot Framework

Working with data sources and APIs and build a solid Test Data Management Strategy and utilities

Assisting development teams in improving testing efficiency and identifying non‑compliance with requirements, including edge cases, usability and general reliability

Working with development engineers to track down defects and enable the shift left test strategies.

Actively contribute to improving software prior to distribution to Lab49 clients

Advocating test‑driven development and behavior driven test automation and deliver high quality testing capabilities

Required Skills And Experience

Minimum 8+ years of hands‑on automated testing experience is mandatory





Hands‑on experience with Playwright is mandatory

Hands‑on coding experience in JavaScript is mandatory for building automated test suites

Experience working with REST API for building backend automated suites

Experience working in an Agile environment

Working knowledge of the general development landscape, architectures, trends and emerging technologies

Excellent command of written and spoken English

Excellent communication skills

Preferred Skills And Experience

Hands‑on coding experience in Java

Hands‑on experience with React Testing Library and Vitest

Hands‑on experience with Robot Framework

Why Us
Join a team of experts pushing the boundaries of financial services products. At LAB49, you'll have the opportunity to work on cutting‑edge projects, collaborate with industry leaders, and accelerate your career growth in a dynamic environment. More importantly, you'll play a crucial role in building and nurturing strong, long‑lasting relationships with high‑profile clients, identifying new business opportunities, and expanding our service offerings within the wealth management sector. Our philosophy is to always prioritize candidates able to take responsibility and drive execution, at the same time we understand that having a great leader is essential to your success and personal development. That’s why we place you under the guidance of experienced, supportive mentors who are dedicated to helping you thrive and grow in your role.

Seniority level
Mid‑Senior level

Employment type
Full‑time

Job function
Engineering and Information Technology

Industries
Software Development

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📌 Senior Software Developement Engineer in Test (SDET), Mexico City (Ciudad de México)
🏢 ION
📍 Ciudad de México