Summary: Coderio is seeking a Senior Mobile & Full Stack Engineer with deep React Native expertise to own the mobile experience and contribute across the full stack in a fast-paced startup. Highlights: 1. Lead React Native mobile app development and full-stack feature delivery 2. Contribute to architectural decisions for scalability and maintainability 3. High impact and autonomy in a strategic, high-visibility role **About Us** Coderio designs and delivers scalable digital solutions for global companies. With a strong technical foundation and a product\-oriented mindset, our teams lead complex software projects from architecture to execution. We value autonomy, clear communication, and technical excellence. We work closely with international teams and partners, creating technology that makes a difference. More information: http://coderio.com We're looking for a **Senior Mobile \& Full Stack Engineer** with deep React Native expertise who thrives in a fast\-paced startup environment. React Native is at the core of our product. You'll own the mobile experience end to end, while also contributing across the full stack to architect scalable features, ensure data integrity, and deliver a performant user experience. **What to Expect in This Role (Responsibilities)** Lead the development of our React Native mobile app, owning architecture, performance, and code quality Design, develop, and deploy features across the full stack, frontend and backend Build and refine offline\-first capabilities to support field operations in low\-connectivity environments Contribute to architectural decisions, ensuring scalability and long\-term maintainability Design and optimize database schemas using PostgreSQL and Drizzle ORM Write clean, testable code and conduct code reviews to uphold quality standards Collaborate cross\-functionally in an Agile environment to ship high\-impact features **Requirements** Deep expertise in React and React Native, with strong command of JavaScript and TypeScript Experience with Vite, Tailwind CSS, and Shadcn UI Solid background in Node.js and Express.js Proven experience with PostgreSQL and ORMs, preferably Drizzle ORM Ability to architect and implement scalable RESTful APIs Knowledge of web security best practices, Helmet, CORS, and JWT Clear communicator, able to bridge technical and non\-technical teams Self\-driven and adaptable, with a solution\-oriented mindset and strong attention to detail **Nice to Have** Experience with offline\-first strategies and data sync patterns (IndexedDB, etc.) Comfortable working in Agile/Scrum environments **Benefits** 100% remote work. Long\-term engagement with high impact and autonomy. Strategic and high\-visibility role within a modern engineering culture. Opportunity to influence technical and business strategy. Collaborative international team with strong technical leadership. Clear growth path and leadership opportunities within Coderio. **Why Join Coderio?** At Coderio, we value talent regardless of location. We are a remote\-first company, passionate about technology, collaboration, and fair compensation. We offer an inclusive and challenging environment with real growth opportunities. If you are motivated to design solutions that make a difference, we are waiting for you. Apply now. We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.