Summary: Seeking a Senior Java Full-Stack Developer to create cutting-edge, scalable applications, leveraging modern technologies to design high-quality solutions. Highlights: 1. Leverage skills in Java, React, and AWS for scalable application development 2. Collaborate with talented professionals in a dynamic environment 3. Design and deploy full-stack solutions with high performance and security We are seeking a **Senior Java Full\-Stack Developer** to join our team in creating cutting\-edge, scalable applications. This is an opportunity to leverage your skills in **Java, React, AWS**, and other modern technologies to design and deploy high\-quality solutions while collaborating with a team of talented professionals in a dynamic environment. **Responsibilities** * Build scalable applications that support intelligent workflows, automation, and improved user experiences * Design, develop, and deploy full\-stack solutions with high standards of performance and security * Create and maintain backend microservices using Java and Spring framework * Develop responsive front\-end interfaces with ReactJS and modern JavaScript (ES6\+) * Integrate and consume RESTful APIs for efficient communication between front\-end and backend components * Write scripts and services for various backend tasks using Python * Implement secure authentication and authorization workflows, including SAML via tools such as OKTA * Troubleshoot and debug complex issues across the stack * Collaborate with DevOps to implement CI/CD pipelines and optimize deployment processes * Work with architecture teams to define technical principles and foundational designs for scalable systems * Identify risks and bottlenecks related to scalability, production readiness, and model performance **Requirements** * 3\+ years of software engineering experience * Strong hands\-on experience with Java, Python, and Spring framework * Proficiency in Amazon Web Services and CI/CD practices * Expertise in front\-end development using ReactJS and modern JavaScript (ES6\+) * Background in developing microservices architectures and RESTful APIs * Knowledge of secure coding practices and API security fundamentals * Experience integrating authentication and identity management solutions such as OKTA * Familiarity with Agile development methodologies and version control tools like Git * Strong collaboration and problem\-solving skills * Excellent written and verbal communication skills in English (B2\+ level) **Nice to have** * Familiarity with Auth0 and SAML\-based authentication workflows * Experience with Terraform for infrastructure provisioning * Knowledge of GraphQL * Experience with Node.js and/or Golang * Understanding of Claude Code and its applications * Exposure to AI/ML components, frameworks, or the integration of intelligent workflows * Experience in Expense Management and Travel industry domains