Job Summary: We are seeking a Senior Fullstack Developer to contribute to the design, development, and optimization of cloud-based applications, ensuring secure, scalable, and high-performance solutions. Key Highlights: 1. Dynamic and innovative environment with impact on strategic projects. 2. Professional development opportunities and access to training programs. 3. Collaboration with multidisciplinary teams and continuous improvement. Job description Who we are Amaris Consulting is an independent technology consulting firm providing guidance and solutions to enterprises. With over 1,000 clients worldwide, we have been delivering solutions for strategic projects for more than a decade, supported by an international team of 7,600 professionals across 5 continents and over 60 countries. Our solutions focus on four Business Lines: Information System & Digital, Telecom, Life Sciences, and Engineering. We are proud to be certified as Top Employer and Great Place to Work in several countries and to support our talents in their professional development and growth. Job Description As a Senior Fullstack Developer, you will join a dynamic and innovative environment where you will contribute to the design, development, and optimization of cloud-based applications. You will work both on backend and frontend, ensuring secure, scalable, and high-performance solutions aligned with business needs. Your Responsibilities Develop and maintain secure REST APIs using .NET technologies deployed on Google Cloud (Cloud Functions, Cloud Run). Design and optimize SQL Server databases, improving query performance. Build and evolve user interfaces using React and JavaScript. Ensure scalability, security, and reliability of applications in cloud environments. Collaborate with multidisciplinary teams to define technical solutions and best practices. Participate in code reviews and contribute to continuous improvement. Your Profile University degree in Computer Engineering, Systems, or related field. 7–10 years of experience as a Fullstack Developer. Solid experience in backend development with .NET and frontend development with React/JavaScript. Proven experience with Google Cloud Platform, especially Cloud Functions and Cloud Run. Advanced knowledge of SQL Server and query optimization. Native Spanish speaker; additional languages are valued. Analytical ability, autonomy, and collaborative mindset. What we offer An international and multicultural environment. Professional development opportunities and internal mobility. Access to training programs and certifications. Involvement in innovative and high-impact projects. Close management focused on professional growth. Amaris Consulting is committed to promoting diversity in the workplace and creating an inclusive work environment. We welcome applications from all qualified individuals, regardless of gender, sexual orientation, origin, beliefs, age, marital status, disability, or other characteristics. Who are we? Amaris Consulting is an independent technology advisory firm offering guidance and solutions to enterprises. It brings together over 7,500 professionals distributed across 5 continents and more than 60 countries. With over 1,000 clients worldwide, we have implemented solutions for major projects for more than a decade. Our specialists cover sectors ranging from financial services and transportation to healthcare and technology. Amaris is your ‘stepping stone’ to cross rivers of change, tackle challenges, and successfully deliver all your projects.