Senior QA engineer (JoomAI)

About this role

Joom Group is an international tech-centric group of e-commerce companies founded in 2016 in Latvia. We are here to transform the largest industry in the world, global trade, making it more transparent, efficient, and technology-driven. Today, Joom Group brings together the following businesses: Joom, a global cross-border marketplace; JoomPro, the first and only end-to-end cross-border B2B marketplace; JoomPulse, an AI analytics tool for Mercado Livre sellers; and Onfy, a pharmaceutical marketplace in Germany. Joom Group’s offices are located in China, Brazil, Portugal, Latvia, and Germany, with headquarters in Lisbon, Portugal. We work as one international team, sharing knowledge and collaborating across countries, businesses, and products. Now we are looking for an experienced QA Engineer to work with web services, backend systems, and APIs in JoomAI. This is a new product within our ecosystem – an AI assistant for the e-commerce operator (an AI-powered operating system for merchants) Responsibilities Perform manual testing of web services; automation experience is a plus but not mandatory Participate in product improvement and collaborate closely with the development team Analyze complex business logic, break it down into clear components, and find issues that others might miss Continuously look for ways to improve the product and testing processes Ask questions when something is unclear and investigate issues thoroughly until the root cause is found Requirements At least 4 years of experience testing web applications Understanding of web technologies and client-server interactions Experience working with at least one database Ability to inspect, analyze, and modify network traffic using tools such as Charles Proxy, Fiddler, Postman, or similar Preferred Familiarity with testing methodologies and experience optimizing testing processes Basic programming skills in any language for writing scripts or creating simple automation We are offering Compensation package: base salary starting from €70,000 gross per year and performance-based bonuses Office-first: flexible hours with a possibility to work remotely 52 days per year, and 22 days of paid annual leave Care & Wellbeing: health insurance (including dental care) for employees and their children, daily meal allowance, and 100% paid sick leave AI-first approach: licenses and access to a wide range of AI tools Team & Growth: collaboration with colleagues across Portugal, Brazil, Latvia and China, with opportunities for promotions, professional trainings, and English courses Community & Engagement: annual team building activities, knowledge-sharing workshops, and a strong sense of team work B efore applying for the above position please review our Candidate Privacy Notice here . By responding to the vacancy, you acknowledge that you have read our Privacy notice.