{"schemaVersion":"jobsearcher.job.v1","id":"5b8775cb594c62a158599a27","url":"https://jobsearcher.com/jobs/5b8775cb594c62a158599a27","canonicalUrl":"https://jobsearcher.com/jobs/5b8775cb594c62a158599a27","title":"Java Developer","description":"Java DeveloperExperience: 4+ YearsJob Type: Full-Time / ContractLocation: Remote / Hybrid / OnsiteIndustry: IT / Software DevelopmentJob SummaryWe are looking for an experienced Java Developer with 4+ years of hands-on experience in designing, developing, and maintaining scalable Java-based applications. The ideal candidate should have strong knowledge of Core Java, Spring Boot, Microservices, REST APIs, and database technologies.The candidate will be responsible for developing high-quality software solutions, implementing application features, troubleshooting issues, and collaborating with cross-functional teams.Key ResponsibilitiesDesign, develop, test, and maintain Java-based applications.Develop scalable backend applications using Java and Spring Boot.Build and maintain RESTful APIs and Microservices.Write clean, reusable, and efficient code.Work with relational and NoSQL databases.Implement application security and authentication mechanisms.Troubleshoot, debug, and resolve application issues.Participate in code reviews and technical discussions.Collaborate with frontend developers, QA engineers, and DevOps teams.Optimize application performance and scalability.Participate in Agile/Scrum development processes.Develop and maintain technical documentation.Required Technical Skills4+ years of experience in Java Development.Strong knowledge of Core Java, OOP concepts, and Java Collections.Hands-on experience with Spring Framework and Spring Boot.Experience developing Microservices architecture.Strong experience with REST APIs and web services.Knowledge of Hibernate, JPA, and JDBC.Experience with SQL databases such as Oracle, MySQL, or PostgreSQL.Knowledge of NoSQL databases such as MongoDB or Cassandra.Experience with Maven or Gradle.Familiarity with Git, Jenkins, and CI/CD pipelines.Knowledge of JUnit, Mockito, and unit testing.Understanding of Agile/Scrum methodologies.Preferred SkillsExperience with AWS, Azure, or GCP.Knowledge of Apache Kafka or RabbitMQ.Experience with Docker and Kubernetes.Familiarity with Angular, React, or JavaScript.Knowledge of application security and OAuth2/JWT.Experience with distributed systems and cloud-native applications.Educational QualificationsBachelor's or Master's degree in Computer Science, Information Technology, or a related field.Key SkillsJava | Core Java | Spring Boot | Spring Framework | Microservices | REST APIs | Hibernate | JPA | SQL | Oracle | MySQL | MongoDB | Kafka | Maven | Jenkins | Docker | Kubernetes | AWS | GitCandidate ExpectationsStrong analytical and problem-solving skills.Ability to develop scalable and high-performance applications.Excellent communication and teamwork skills.Ability to work independently and meet project deadlines.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/","company":"Quantumtech","rawCompany":"quantumtech","city":"Denver","state":"CO","isRemote":false,"isActive":false,"createdAt":"2026-11-05T07:48:36.915Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1251.00","title":"Computer Programmers","slug":"computer-programmers"},{"code":"15-1254.00","title":"Web Developers","slug":"web-developers"}],"industries":[{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Java Developer","description":"Java DeveloperExperience: 4+ YearsJob Type: Full-Time / ContractLocation: Remote / Hybrid / OnsiteIndustry: IT / Software DevelopmentJob SummaryWe are looking for an experienced Java Developer with 4+ years of hands-on experience in designing, developing, and maintaining scalable Java-based applications. The ideal candidate should have strong knowledge of Core Java, Spring Boot, Microservices, REST APIs, and database technologies.The candidate will be responsible for developing high-quality software solutions, implementing application features, troubleshooting issues, and collaborating with cross-functional teams.Key ResponsibilitiesDesign, develop, test, and maintain Java-based applications.Develop scalable backend applications using Java and Spring Boot.Build and maintain RESTful APIs and Microservices.Write clean, reusable, and efficient code.Work with relational and NoSQL databases.Implement application security and authentication mechanisms.Troubleshoot, debug, and resolve application issues.Participate in code reviews and technical discussions.Collaborate with frontend developers, QA engineers, and DevOps teams.Optimize application performance and scalability.Participate in Agile/Scrum development processes.Develop and maintain technical documentation.Required Technical Skills4+ years of experience in Java Development.Strong knowledge of Core Java, OOP concepts, and Java Collections.Hands-on experience with Spring Framework and Spring Boot.Experience developing Microservices architecture.Strong experience with REST APIs and web services.Knowledge of Hibernate, JPA, and JDBC.Experience with SQL databases such as Oracle, MySQL, or PostgreSQL.Knowledge of NoSQL databases such as MongoDB or Cassandra.Experience with Maven or Gradle.Familiarity with Git, Jenkins, and CI/CD pipelines.Knowledge of JUnit, Mockito, and unit testing.Understanding of Agile/Scrum methodologies.Preferred SkillsExperience with AWS, Azure, or GCP.Knowledge of Apache Kafka or RabbitMQ.Experience with Docker and Kubernetes.Familiarity with Angular, React, or JavaScript.Knowledge of application security and OAuth2/JWT.Experience with distributed systems and cloud-native applications.Educational QualificationsBachelor's or Master's degree in Computer Science, Information Technology, or a related field.Key SkillsJava | Core Java | Spring Boot | Spring Framework | Microservices | REST APIs | Hibernate | JPA | SQL | Oracle | MySQL | MongoDB | Kafka | Maven | Jenkins | Docker | Kubernetes | AWS | GitCandidate ExpectationsStrong analytical and problem-solving skills.Ability to develop scalable and high-performance applications.Excellent communication and teamwork skills.Ability to work independently and meet project deadlines.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/","datePosted":"2026-11-05T07:48:36.915Z","dateModified":"2026-11-05T07:48:36.915Z","hiringOrganization":{"@type":"Organization","name":"Quantumtech","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Denver","addressRegion":"CO","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"5b8775cb594c62a158599a27"},"url":"https://jobsearcher.com/jobs/5b8775cb594c62a158599a27"}}