We are looking for a **Junior Systems Developer (Full Stack)** to support the development and maintenance of web applications in an **agile, collaborative, and continuously learning-oriented environment**. The candidate will work in partnership with more experienced professionals from **Technology and Product**, with close mentorship, emphasis on good development practices, and structured technical growth. We value in-person interaction, teamwork, and joint solution building. Here, we believe system development goes beyond coding—it involves collaboration, quality, and daily responsibility. **Responsibilities and Duties** **Responsibilities:** * Develop simple features in **.NET Core** applications under supervision * Support bug fixes and adjustments in existing systems * Participate in basic unit testing and follow up on **code reviews** * Support simple database modeling and queries (**SQL / Entity Framework**) * Collaborate on documenting technical processes * Learn and apply **agile methodologies** in daily squad activities * Support the team in basic system and API integrations **Expected Experience:** * Up to **2 years of experience** in web development or IT internships * Initial exposure to collaborative development environments * Interest in technical growth and continuous learning **Requirements and Qualifications** * Basic knowledge of **C# / .NET Core** * Understanding of **relational databases (SQL)** * Initial familiarity with **Git** and code versioning * Basic knowledge of **HTML, CSS, and JavaScript** * Strong communication skills, proactivity, and ability to work in a team * Bachelor’s degree **in progress** in Computer Science, Software Engineering, or related fields **Preferred Qualifications:** * Familiarity with **Azure or another cloud platform** * Initial knowledge of agile methodologies **Additional Information** **Work Model:** * **Hybrid (4 days in-office + 1 remote day per week)** * In-person work is highly valued for collaboration, cross-team interaction, and product development **Work Location:** * **Rio de Janeiro:** Barra da Tijuca **Benefits:** * Meal Allowance * Food Allowance * Health Insurance * Dental Insurance * TotalPass or GymPass * Birthday Day Off At Tecsa Group, our purpose is simple: care for people to build a healthier future. We know health is an ongoing journey—and that’s why we create technological solutions that meaningfully and sustainably impact people’s lives. Every project we develop is designed to deliver quality of life, longevity, and well-being—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.