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REQT: Senior Full Stack Java Developer @ Denver, CO – Hybrid – Only Locals.

Via DiceDenver, COApril 24th, 2026
Dice is the leading career destination for tech experts at every stage of their careers. Our client, KSN Technologies, Inc., is seeking the following. Apply via Dice today!Senior Full Stack Java DeveloperDenver, CO – Hybrid – Only Locals One Year Contract We are seeking candidates who do not require visa sponsorship, are eligible to work on a W2Interview Process: 1-hour Virtual Interview via MS Teams (video required). Candidates should join from a laptop and be prepared to share their screen if requested. A screenshot photo of candidate will be required for any interviews as well as a vendor present at beginning of virtual interview to validate candidate. Planning to schedule interviews the week of 4/27Required onsite days- Mondays and TuesdaysRemote eligible days- Wednesdays, Thursdays, and FridaysCandidates must be local to the Denver, Colorado area (within 90 miles) at time of submission. This requirement is non-negotiableTop Skills & Years of Experience:Possess a minimum of 5 years of recent experience working with: Angular, JavaScript, SSRS, SQL Server, and working in an environment utilizing hybrid agile/waterfall project management methodologies.Possess a minimum of 5 years of recent experience working with: Java, Spring.Possesses a minimum of 3 years of recent experience writing, compiling, modifying, and debugging complex SQL Server database configuration items, including, but not limited to, Stored Procedures, Functions, Triggers, Views, Tables, and linked servers.Possess a minimum of 3 years of recent experience working with Azure DevOps (ADO) for backlog management, sprint planning, task tracking, and progress reporting, supporting Agile methodologies.Ability to provide quality customer service, build trust through integrity of work, and build strategic relationships through teamwork are required.Position Summary:Write well-designed, testable code using spring MVC, Hibernate framework for entity object mapping, jQuery/HTML5, JavaScript, HTML, XML, Angular.Develop business application components using Object Oriented java/JEE technologies, design principles.Design and develop RESTful Web Services using Spring Web MVC framework.Design, Develop and maintain applications using Apache Struts framework.Ability to implement design patterns like Intercepting Filter, Front Controller, Session Façade, DAO, Singleton, and Service LocatorProficient in building and maintaining unit test framework with Junit and Spring Boot.Execute full software development life cycle (SDLC) including experience in gathering requirements and writing functional/technical specifications for complex projects.Develop database objects including stored procedures, functions,Troubleshoot issues using SQL, PL/SQL scripts.Experience tuning SQL queries and scriptsHands-on experience Integrating software components into a fully functional software system.Extensive knowledge on source control tools such as GITExperience on Build Frameworks like Maven, maintain source code using source control, and baseline software versions and building war files for deploymentsExperience developing with application servers Apache Tomcat, JBOSS, Web Sphere, and OpenShift Container.Develop software design documents and work with stakeholders for review and approval.Experience developing, prototypes, mockup for users review and approval.Experience creating flowcharts, screen layouts and documentation to ensure logical flow of the system requirements.Experience with React.js and modern JavaScript (ES6+).Understanding of Redux, React Router, and component lifecycle.Experience working on large agile projects.Experience with Java 17+, SOAP Web-Services and Java Messaging Service (JMS) API.Experience with Spring Boot Projects, Spring Data, Spring Batch, Spring Security frameworks.Skills Descriptions:5+ years developing complex computer systems using Java.5+ years developing complex computer systems using java IDEs such as Eclipse and STS.5+ years programming using Java JEE Struts Framework.5+ years programming in SQL and/or PL/SQL.5+ years programming using Java JEE Spring/SpringBoot Framework 3.0. 5+ years of development using Hibernate/JPA framework.3+ years in projects development using Angular/React JS, JavaScript framework.3+ years programming in the JBOSS Enterprise SOA environment including JBOSS Workflow.3+ years using CMM/CMMI Level 3 methods and practices.2+ years implemented agile development processes including test driven development.2+ years of experience with React.js and modern JavaScript (ES6+).Understanding of Redux, React Router, and component lifecycle.Exposure to DevOps practices and cloud platforms (AWS, Azure).Hands-on experience using AI to accelerate daily coding tasks, including code generation, refactoring and documentation.