Java Full Stack Engineer

Java Full Stack EngineerLocation: Remote – United StatesJob Type: Full-TimeJob OverviewWe are seeking a skilled Java Full Stack Engineer to design, develop, and maintain scalable web applications. The ideal candidate will have strong experience across both backend and frontend development, with hands-on expertise in Java, Spring Boot, React/Angular, APIs, databases, and cloud technologies.Key ResponsibilitiesDesign, develop, test, and maintain scalable full-stack applications.Build robust backend services and RESTful APIs using Java and Spring Boot.Develop responsive and user-friendly interfaces using React.js or Angular.Design and optimize database solutions using SQL and NoSQL databases.Integrate frontend applications with backend services and third-party APIs.Implement secure authentication, authorization, and application security practices.Participate in code reviews, debugging, performance optimization, and technical discussions.Develop automated unit and integration tests.Deploy and maintain applications using cloud and DevOps technologies.Collaborate with product managers, architects, QA engineers, and other development teams.Required Skills4–8+ years of professional software development experience.Strong proficiency in Java 8/11/17+.Hands-on experience with Spring Boot, Spring MVC, and Spring Security.Strong frontend experience with React.js or Angular.Experience developing RESTful APIs and microservices.Strong knowledge of HTML5, CSS3, JavaScript, and TypeScript.Experience with SQL databases such as PostgreSQL, MySQL, or Oracle.Familiarity with NoSQL databases such as MongoDB or DynamoDB.Experience with Git, Maven/Gradle, and CI/CD pipelines.Knowledge of AWS, Azure, or GCP.Experience with Docker and Kubernetes is preferred.Preferred QualificationsExperience with microservices architecture.Experience with Kafka or other messaging platforms.Knowledge of Redis or other caching technologies.Experience with AWS services such as EC2, S3, Lambda, RDS, and EKS.Experience with automated testing frameworks such as JUnit, Mockito, and Selenium.Understanding of Agile/Scrum development methodologies.Strong problem-solving and communication skills.Benefits100% Remote – USACompetitive compensationOpportunity to work on large-scale enterprise applicationsCollaborative engineering environmentProfessional growth and learning opportunitiesWork AuthorizationCandidates must be authorized to work in the United States. Visa sponsorship or other work-authorization requirements may vary depending on the specific position and employment arrangement.About usQuantumtech Inc. is a US-based IT services and consulting company providing technology talent and solutions to enterprises, mid-market organizations, and government contractors. We specialize in IT staffing, consulting, technology solutions.Why Quantum ?Day 1 NOC Stay because you choose to.Low Payroll Margin & Transparent PayrollReferral bonus - $500 ( Next day !)Refer a consultant facing payroll issues to our team and earn after a successful transition.Check out the Payroll Calculator: https://quantumtechus.com/payroll-calculator/