Senior Java Full Stack Developer

As a **Senior Java Full Stack Developer** , you will lead the design and development of scalable applications, working across front\-end and back\-end technologies. You will collaborate with cross\-functional teams, drive API and microservices development, and ensure code quality through testing practices. **What You Need To Have To Be Considered** Proven experience in full stack development with strong proficiency in Java, JavaScript, and MySQL. Hands\-on experience with TDD and modern software engineering practices. Advanced English proficiency – both written and verbal – is essential for communication with global teams. Strong problem\-solving and analytical skills. Excellent communication and collaboration abilities. Experience with ApacheActivity, YUI, and Warranty domain knowledge is a plus. **Key Advantages** Opportunity to work on strategic, high\-impact projects using modern technologies and architectures. Be part of a collaborative and innovative environment that values technical excellence and continuous learning. Lead initiatives and influence technical decisions in a senior\-level role. Access to career development programs, mentoring, and global collaboration. **Work model: H** **ybrid** We believe hybrid work is the way forward, always striving to offer flexibility whenever possible. Based on the business requirements of this position, this is a hybrid position requiring one or two days per week at a client or Cognizant office in São Paulo, SP, or São José dos Campos. Regardless of your work schedule, we are here to support a healthy work\-life balance through our various wellness programs. The working hours for this position are valid as of the date of posting. These may change depending on the project you are involved in, as well as business and client requirements. Rest assured; we will always be transparent about the expectations for this position. ***Please, upload your resume in English.*** We're excited to meet people who share our mission and can make an impact in a variety of ways. Don't hesitate to apply, even if you only meet the minimum requirements listed. Think about your transferable experiences and unique skills that make you stand out as someone who can bring new and exciting things to this role.