Fullstack QA Engineer - Fulltime - LATAM/EMEA/NA

Role Overview

We are seeking versatile Full-Stack QA Engineers who can contribute in one or more of the following areas: building and maintaining unit tests for public-facing APIs and MCP servers, developing automated testing frameworks for browser-based web applications, and performing manual QA testing throughout the development cycle.

Key Responsibilities

• Build and maintain unit tests for APIs and backend servers.
• Develop automated testing frameworks for browser-accessed web applications (mobile QA experience not required).
• Perform manual QA testing during software development to ensure quality and usability.
• Design and execute exploratory tests to uncover edge cases and potential issues.
• Create comprehensive test suites from scratch, focusing on effective test coverage.
• Use API testing tools like Postman and open-source frameworks, and leverage Swagger documentation.
• Collaborate closely with developers and product teams to deliver high-quality software.

Required Skills & Experience

• Experience building test suites from scratch
• Technical proficiency with UI automation and testing frameworks (e.g. selenium, playwright, etc.)
• Technical proficiency with API automation and testing (e.g. postman or open source API testing frameworks) and experience with Swagger
• Experience performing exploratory testing to identify edge cases
• Knowledge of test design techniques and practices (e.g. equivalence partitioning, boundary analysis, etc.)
  (We’re looking to hire multiple engineers, so please feel free to apply if you meet some - but not necessarily all - of the criteria.)

Nice to have

• Expertise with either python or typescript

Hiring Process

We’re skipping traditional interviews. Here’s how it works:

• Submit your profile – We’ll review your background and AI experience.
• 2-Week Paid Work Trial – You’ll clone an application using our scaffolded tools.
• Trial Outcome – Based on performance and communication, we’ll offer a 3-month contract (with long-term potential).