We are looking for a **Mid-Level Web Developer** to join our team and work on the development and maintenance of web applications focused on the fields of **technology and healthcare**. We seek a professional with a strong technical foundation, the ability to work autonomously, attention to detail, and a commitment to continuous improvement. **Responsibilities and Duties** * Develop, enhance, and maintain features in web systems using **PHP and MySQL** * Create, adjust, and optimize interfaces using **HTML, CSS, and JavaScript (jQuery)** * Perform integrations between **frontend and backend** * Analyze and fix bugs, as well as implement continuous improvements * Participate in code reviews and follow software development best practices * Collaborate closely with designers, developers, and other departments * Provide technical support to junior-level professionals when required * Ensure code organization, version control, and quality **Requirements and Qualifications** * Practical experience with **PHP** in web applications * Solid knowledge of **MySQL** (SELECT, INSERT, UPDATE, JOIN) * Strong proficiency in **HTML, CSS, and JavaScript (jQuery)** * Good programming logic * Ability to work **autonomously** on day-to-day tasks * Experience maintaining and enhancing existing systems * Interest in best practices, code quality, and continuous learning **Preferred Qualifications:** * Knowledge of **modern JavaScript** * Experience with **REST APIs** * Familiarity with **Git** * Basic understanding of code organization patterns * Interest in technology, digital products, and innovation—especially in healthcare **Additional Information** **Hiring Model:** Individual Contractor (PJ) **Work Model:** Hybrid – 4 days onsite and 1 day remote per week **Locations:** * São Paulo – Cidade Monções * Rio de Janeiro – Barra da Tijuca * Porto Alegre – Praia de Belas At Tecsa Group, our purpose is simple: care for people to build a healthier future. We know health is an ongoing journey, which is why we create technological solutions that significantly and sustainably impact people’s lives. Every project we develop is designed to deliver quality of life, longevity, and wellbeing—not only for our clients but also for their families and communities. We aim to be the driving force transforming healthcare in Brazil and beyond—making it accessible, innovative, and human-centered.