Company Description
Atomic Spain is the European tech and data hub of Atomic Growth, a global AI-driven e-commerce and Saa S platform automating Amazon store management at scale. Our team builds autonomous agents that optimize pricing, advertising, inventory, and operations - powered by real-time data from hundreds of active storefronts.
Role Description
We are looking for a meticulous QA Engineer based in Malaga, Spain to join our distributed engineering team. You will play a critical role in ensuring that when our customers look at their profit margins or ad spend, the numbers are 100% accurate, when an ai agent issues a recommendation it's valid based on its available data.
You won't just be testing if a button works, you will be testing business logic. You will verify that our data pipelines, financial calculations, and ad-attribution models are correct. You will work closely with Product Managers and Developers to ensure our analytics dashboards are reliable and fast.
Key responsibilities
Test Planning & Execution: Design, implement, and execute test plans for our web application, focusing on Data Integrity, Model predictions, Agent recommendations etc... Data Validation: Compare our data with external sources (Seller platforms, 3rd party Saa S etc...) making sure it is coherent Logic Verification: Manually and automatically test complex mathematical formulas (e.g., Gross Profit, ROAS, TACo S) to ensure accurate P& L reporting. Automation: Contribute to our automated testing framework (Github Actions/Playwright/Selenium) to cover critical regression paths. Bug Hunting: Identify, record, and track bugs using Jira. Prioritize issues based on impact on financial accuracy and user experience. Cross-Functional Work: Collaborate with an international team of developers to reproduce issues related to time zones, currency conversions, and large datasets. Requirements
Experience: 3+ years of experience in Software Quality Assurance (Web & Saa S). Data Proficiency: Strong knowledge of SQL. You must be comfortable querying databases to validate test results (e.g., checking if the Profit calculation matches the Revenue minus Expenses in the DB). Technical Stack: Experience with API testing (Postman, REST) and familiarity with CI/CD pipelines (Jenkins, Git Hub Actions). Automation Basics: Experience writing or maintaining automated scripts (Java Script/Type Script or Python preferred). Language: Fluent in English. We are an international company, and all documentation/meetings are in English. Mindset: Extreme attention to detail. A rounding error in our software costs our clients money. Nice to have
Domain Knowledge: Experience working with Amazon Seller Central, Amazon SP-API, or generally in the E-commerce/Ad Tech space. Financial/Ad Experience: Understanding of concepts like PPC, CPC, ACOS, VAT, and COGS (Cost of Goods Sold). Math/Stats Background: A degree or background in mathematics, statistics, or finance is a huge plus.