Job Summary: We are looking for a senior developer to evolve and optimize a hybrid billing application, improving performance, UX, code architecture, and developing new features. Key Highlights: 1. Participate in the development and evolution of a hybrid application. 2. Collaborate in defining technical solutions. 3. Integrate and consume REST APIs. Cegid is a European leader in cloud-based **business management solutions** (cash flow, taxes, ERP), human resources (payroll, talent management), accounting, retail, and entrepreneurial sectors. In a rapidly changing world, Cegid and its **6,000 employees** make more possible by helping its **750,000 customers** unlock their potential through innovative and purpose-driven business solutions. **Make more possible** is our vocation. It reflects who we are, how and why we do things the way we do them for our customers. Thanks to this, we can affirm that we work every day to **shape your future**, our future, and the future of our customers’ businesses — a future we have been defining for years with our employees, inventing solutions that change how people work, enabling sustainable performance. **@Vendus Team** You will work on a hybrid billing application built with Ionic + React, Capacitor, and Tailwind, organized in a monorepo (Nx) and using TypeScript. The app communicates with a PHP backend (REST API) and is available on browser, iOS, and Android, with automated builds and deployments via Appflow. We seek a senior developer to help us evolve and optimize the product, enhancing performance, UX, and code architecture, while contributing to new features. **The challenge we have for you:** * Participate in the development and evolution of the hybrid application using Ionic, React, and PHP. * Ensure the app’s quality, stability, and performance across all platforms. * Integrate and consume REST APIs. * Structure and maintain the Nx monorepo and Appflow/CI-CD pipelines. * Review code, guide colleagues, and promote best practices. * Collaborate closely with backend and design teams in defining technical solutions. **Key Requirements:** * Solid experience (4+ years) with React and PHP. * Practical experience with the Ionic Framework and Capacitor (iOS/Android publishing). * Proficiency in Tailwind CSS. * Experience with REST APIs (authentication, token management, etc.). * Familiarity with monorepos and Nx. * Knowledge of CI/CD and deployments using Appflow or equivalent pipelines. * Fluent Git usage and sound version control practices. **Preferred Qualifications:** * Experience developing with TypeScript. * Understanding of RESTful backend architecture. * Experience with automated testing (unit and e2e). * Experience publishing and maintaining apps on app stores. * Interest in performance, UX, and clean code. Our Commitment At Cegid, the **diversity of our talents** is a valuable asset we cherish, recruiting based on your **skills** and your **potential** to learn and grow with us. We offer you a professional environment where each person can thrive and express their uniqueness. Our commitment rests on **three fundamental pillars**: **gender equality**, **inclusion of people with disabilities**, and representation of **all diversities**. Benefits > **Attractive and transparent remuneration**, from recruitment onward > **Annual bonus**, based on achievement of individual and company objectives > Hybrid work model and flexible working hours > **25 days of vacation** per year > Health insurance > Access to online **learning platforms** and internal academy > Join a **dynamic, enthusiastic, and continuously growing team**