Auction Technology Group is expanding its team We are looking for exceptional engineering talent to join the team and help us transform the auction industry. The important things
- As a senior mobile software engineer at ATG you will be a part of a collaborative agile team that is focused on delivering high value, high-performance features to our customers through a high-transaction e-commerce mobile application. You understand that quality is something that is everyone’s responsibility. You will work closely with Product, Design, and Engineering representatives to make significant enhancements to our app that will improve the customer experience. Your team is expected to take ownership of the products you work on and actively embrace improving how you achieve outcomes. You will have great opportunities to grow as ATG continues to expand, integrate, and build new products. By giving millions of items second, third, and even infinite lives, we are accelerating the growth of the circular economy and creating a new general channel of sustainable commerce. What you will be doing:
• Design and develop new features and systems.
• Modernize native mobile apps using React Native
• Collaborate early and often with your teammates and other stakeholders to understand the scope of features.
• Contribute to and utilize the ATG design system.
• Help drive the creation of clear stories and acceptance criteria.
• Contribute to quality through clean coding and pattern usage.
• Write unit and other automated tests.




• Pair program and code review your teams’ work.
• Document and communicate the things you have learned and built. What will you bring to the team:
• Collaboration and innovation
• Strong analytical and problem-solving skills as well as attention-to-detail
• The ability to multitask and remain calm and focused in a demanding environment
• Strong verbal and written communication skills – with strong presentation capabilities for technical leaders of the team What you need for success:
• Bachelor’s degree in computer science or related field or equivalent technical experience.
• 5+ years of mobile development experience.
• Expert level in React Native
• Experience with Expo
• Experience with Expo Router / React Navigation
• Experience with Redux, Zustand, React Context API, TanStack Query and/or equivalent
• Experience with Unistyles
• Experience with React Native Testing Library/Jest
• Experience with E2E testing on mobile
• Experience with TypeScript
• Experience with building for different audiences e.g. internationalization, accessibility
• Interest in learning new technologies such as AI “prompt-driven development” and languages as necessary.
• Customer focused approach.
• Expert ability to debug code Nice to have:
• Native iOS and/or Android development experience (Swift / Kotlin).
• E-commerce experience.
• Experience with Tailwind CSS
• Experience with React-Query

📌 Senior Mobile Engineer (Guadalajara)
🏢 ATG (Auction Technology Group)
📍 Guadalajara