{"schemaVersion":"jobsearcher.job.v1","id":"0cdb787bfff4e5e3241fa1f6","url":"https://jobsearcher.com/jobs/0cdb787bfff4e5e3241fa1f6","canonicalUrl":"https://jobsearcher.com/jobs/0cdb787bfff4e5e3241fa1f6","title":"Sr Java Full Stack Developer","description":"Job Title: Sr Java Full Stack Developer\nLocation: Austin, TX\n\nJob Type: Independent Contract (Contractor / Non-Employee)\nStart Date: ASAP\n\nPay Rate: $60-70/hr 1099 / C2C\n\nContract Length: 4 years\n\nWe are looking for a Senior Java Full Stack Developer with strong experience in designing, developing, deploying, and troubleshooting enterprise applications. The ideal candidate should have hands-on expertise in Java, Spring Boot, React, AWS, databases, CI/CD, microservices, and system/solution design. The candidate should be comfortable working at both the application development and architecture/design levels, with strong problem-solving and debugging skills in production environments.\n\nKey Responsibilities\n\nDesign, develop, and maintain scalable applications using Java and Spring Boot.\nDevelop responsive front-end applications using React and JavaScript.\nDesign and implement RESTful APIs and microservices.\nWork with AWS services including S3, Lambda, EKS, ECS, and EC2.\nDevelop and maintain infrastructure using Terraform, Ansible, and CloudFormation.\nImplement and manage CI/CD pipelines using Jenkins and GitHub Actions.\nWork with relational databases such as MySQL and Oracle.\nWork with NoSQL databases such as MongoDB and Cassandra.\nParticipate in application, system, and solution architecture discussions.\nDesign solutions that are scalable, reliable, secure, and production-ready.\nTroubleshoot application, deployment, performance, and production issues.\nCollaborate with engineering, DevOps, QA, and product teams.\n\nCore Competencies\n\n1. Basic System Design\n\nThe candidate should be able to:\n\nCreate a simple architecture diagram for one of their productionized projects.\nExplain the major components and how they interact.\nExplain why specific technologies/components were selected.\nDescribe frontend-to-backend communication, databases, APIs, messaging, deployment, and infrastructure.\nDiscuss basic scalability, availability, security, and performance considerations.\n\n2. Debugging & Production Troubleshooting\n\n The candidate should demonstrate strong troubleshooting skills through real-world scenarios such as:\n EKS/ECS deployment failure.\n Application not starting after deployment.\n Production performance degradation.\n High CPU/memory utilization.\n API latency or timeout issues.\n Database connectivity/performance problems.\n Service-to-service communication failures.\n\n3. Java / Microservices Design Patterns\n\n Candidate should have a strong understanding of commonly used Java and Microservices design patterns.\n They should be able to explain:\n The problem statement addressed by the pattern.\n Detailed internal working of the pattern.\n Advantages and limitations.\n When and when not to use it.\n A real-world implementation example.\n\n4. Solution Design\n\n Given a business or technical problem statement, the candidate should be able to:\n Understand and clarify requirements.\n Identify major system components.\n Propose a high-level solution architecture.\n Select appropriate technologies.\n Explain data flow and component interactions.\n Consider scalability, reliability, security, performance, and maintainability.\n\n5. Java, Spring Boot & Coding\n\n The candidate should demonstrate strong hands-on knowledge of:\n Core Java and recent Java versions.\n Object-oriented programming.\n Collections, Streams, Lambda expressions, and exception handling.\n Multithreading/concurrency.\n Java 8+ features.\n Spring Boot.\n REST APIs.\n Dependency Injection.\n Spring Security and configuration.\n Microservices development.\n Unit/integration testing.\n Writing clean, maintainable, production-quality code.\n The candidate will also be evaluated through a Java/Spring Boot coding problem.\n\nRequired Technical Skills\n\nSkill\n\nMinimum Rating\n\nMinimum Experience\n\nSenior Developer\n\n—\n\n10+ Years\n\nJava – Recent Versions\n\n8/10\n\n8+ Years\n\nSpring Boot\n\n8/10\n\n5+ Years\n\nReact / Front-End Technologies\n\n6/10\n\n2+ Years\n\nJavaScript\n\n6/10\n\n2+ Years\n\nAWS – S3, Lambda, EKS, ECS, EC2\n\n7/10\n\n2+ Years\n\nInfrastructure as Code – Terraform, Ansible, CloudFormation\n\n6/10\n\n1+ Years\n\nCI/CD – Jenkins, GitHub Actions\n\n5/10\n\n2+ Years\n\nRDBMS – MySQL, Oracle\n\n8/10\n\n8+ Years\n\nNoSQL – MongoDB, Cassandra\n\n7/10\n\n1+ Years\n\nSystem-Level Design / Frontend-to-Backend Architecture\n\n7/10\n\n3+ Years\n\nApplication Design\n\n7/10\n\n3+ Years\n\nArchitecture Understanding\n\n7/10\n\n3+ Years","company":"Cayuse Holdings","rawCompany":"cayuse holdings","city":"Austin","state":"TX","isRemote":false,"isActive":false,"createdAt":"2026-09-11T09:16:21.103Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1254.00","title":"Web Developers","slug":"web-developers"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"}],"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":"Sr Java Full Stack Developer","description":"Job Title: Sr Java Full Stack Developer\nLocation: Austin, TX\n\nJob Type: Independent Contract (Contractor / Non-Employee)\nStart Date: ASAP\n\nPay Rate: $60-70/hr 1099 / C2C\n\nContract Length: 4 years\n\nWe are looking for a Senior Java Full Stack Developer with strong experience in designing, developing, deploying, and troubleshooting enterprise applications. The ideal candidate should have hands-on expertise in Java, Spring Boot, React, AWS, databases, CI/CD, microservices, and system/solution design. The candidate should be comfortable working at both the application development and architecture/design levels, with strong problem-solving and debugging skills in production environments.\n\nKey Responsibilities\n\nDesign, develop, and maintain scalable applications using Java and Spring Boot.\nDevelop responsive front-end applications using React and JavaScript.\nDesign and implement RESTful APIs and microservices.\nWork with AWS services including S3, Lambda, EKS, ECS, and EC2.\nDevelop and maintain infrastructure using Terraform, Ansible, and CloudFormation.\nImplement and manage CI/CD pipelines using Jenkins and GitHub Actions.\nWork with relational databases such as MySQL and Oracle.\nWork with NoSQL databases such as MongoDB and Cassandra.\nParticipate in application, system, and solution architecture discussions.\nDesign solutions that are scalable, reliable, secure, and production-ready.\nTroubleshoot application, deployment, performance, and production issues.\nCollaborate with engineering, DevOps, QA, and product teams.\n\nCore Competencies\n\n1. Basic System Design\n\nThe candidate should be able to:\n\nCreate a simple architecture diagram for one of their productionized projects.\nExplain the major components and how they interact.\nExplain why specific technologies/components were selected.\nDescribe frontend-to-backend communication, databases, APIs, messaging, deployment, and infrastructure.\nDiscuss basic scalability, availability, security, and performance considerations.\n\n2. Debugging & Production Troubleshooting\n\n The candidate should demonstrate strong troubleshooting skills through real-world scenarios such as:\n EKS/ECS deployment failure.\n Application not starting after deployment.\n Production performance degradation.\n High CPU/memory utilization.\n API latency or timeout issues.\n Database connectivity/performance problems.\n Service-to-service communication failures.\n\n3. Java / Microservices Design Patterns\n\n Candidate should have a strong understanding of commonly used Java and Microservices design patterns.\n They should be able to explain:\n The problem statement addressed by the pattern.\n Detailed internal working of the pattern.\n Advantages and limitations.\n When and when not to use it.\n A real-world implementation example.\n\n4. Solution Design\n\n Given a business or technical problem statement, the candidate should be able to:\n Understand and clarify requirements.\n Identify major system components.\n Propose a high-level solution architecture.\n Select appropriate technologies.\n Explain data flow and component interactions.\n Consider scalability, reliability, security, performance, and maintainability.\n\n5. Java, Spring Boot & Coding\n\n The candidate should demonstrate strong hands-on knowledge of:\n Core Java and recent Java versions.\n Object-oriented programming.\n Collections, Streams, Lambda expressions, and exception handling.\n Multithreading/concurrency.\n Java 8+ features.\n Spring Boot.\n REST APIs.\n Dependency Injection.\n Spring Security and configuration.\n Microservices development.\n Unit/integration testing.\n Writing clean, maintainable, production-quality code.\n The candidate will also be evaluated through a Java/Spring Boot coding problem.\n\nRequired Technical Skills\n\nSkill\n\nMinimum Rating\n\nMinimum Experience\n\nSenior Developer\n\n—\n\n10+ Years\n\nJava – Recent Versions\n\n8/10\n\n8+ Years\n\nSpring Boot\n\n8/10\n\n5+ Years\n\nReact / Front-End Technologies\n\n6/10\n\n2+ Years\n\nJavaScript\n\n6/10\n\n2+ Years\n\nAWS – S3, Lambda, EKS, ECS, EC2\n\n7/10\n\n2+ Years\n\nInfrastructure as Code – Terraform, Ansible, CloudFormation\n\n6/10\n\n1+ Years\n\nCI/CD – Jenkins, GitHub Actions\n\n5/10\n\n2+ Years\n\nRDBMS – MySQL, Oracle\n\n8/10\n\n8+ Years\n\nNoSQL – MongoDB, Cassandra\n\n7/10\n\n1+ Years\n\nSystem-Level Design / Frontend-to-Backend Architecture\n\n7/10\n\n3+ Years\n\nApplication Design\n\n7/10\n\n3+ Years\n\nArchitecture Understanding\n\n7/10\n\n3+ Years","datePosted":"2026-09-11T09:16:21.103Z","dateModified":"2026-09-11T09:16:21.103Z","hiringOrganization":{"@type":"Organization","name":"Cayuse Holdings","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Austin","addressRegion":"TX","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"0cdb787bfff4e5e3241fa1f6"},"url":"https://jobsearcher.com/jobs/0cdb787bfff4e5e3241fa1f6"}}