**About the position** We are **Grupo Irrah**, a technology company with over 20 years of experience developing innovative solutions that drive businesses worldwide. Our focus is on **digital transformation**, creating tools that help companies achieve their maximum potential. **Who we're looking for** We are seeking a **Full Stack Developer** with an analytical mindset, curiosity, and passion for technology. We're looking for someone with solid experience in web and mobile development, familiarity with the financial sector, and who is always striving to improve their skills and contribute to high-impact solutions. **General Description** The **Developer** will be responsible for **programming, coding, and testing systems**, ensuring efficient and secure operation of developed solutions. The role includes **maintaining existing systems**, debugging code, and **creating clear and concise technical documentation**, always following best development practices and security standards. **Main Responsibilities** Develop functional programs by writing **clean and testable code**; Collaborate with internal teams to **identify system requirements**; Ensure **data integrity and security**; Design efficient and intuitive **user interfaces**; Update and **fix existing programs**, performing periodic maintenance; Conduct **testing and debugging** to maximize system efficiency; Create and maintain **technical documentation**; Suggest **improvements and new features** to optimize user experience; Follow company-defined **development standards and processes**. **Technical Skills** Knowledge in the **financial sector**, preferably with experience in **payment gateways**; Experience in **mobile development** (Android/iOS) using **React Native**; Experience in **data analysis and report building**; Advanced knowledge of **PostgreSQL** or **Firebase** databases; Advanced proficiency in **JavaScript** and **Java** languages; Advanced experience with **React**, **Angular**, **Node**, and **Next** frameworks; Knowledge of **Spring Framework**, **Hibernate ORM**, **Redis**, **HTML/CSS**, and **AngularJS**; Skills in **system testing, debugging, and maintenance**; Ability to produce **clear and objective technical documentation**; Understanding of **security best practices and development standards**. **Education** Completed or ongoing **Bachelor's degree** in **Information Systems**, **Computer Science**, **Technology in Systems Analysis and Development**, or related fields; **Advantageous Qualifications** Prior experience in **financial projects or payment gateways**; Experience with **DevOps best practices**, **CI/CD**, and **application monitoring**; Knowledge of **Firebase**, **Redis**, and **Next.js**; Participation in **open-source projects** or **creation of technical content**. **Work Location** **Maringá – PR** or **Cianorte – PR** On-site work only **Requirements** **Education Level:** Bachelor’s degree (in progress or completed)