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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Java Developer - **Company:** Openmind Technologies - **Location:** Decatur, IL, United States - **Experience:** Expert - **Contract:** Contract - **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Unit Testing, Microsoft Azure, Code Review, Continuous Integration, Relational Databases, Gradle, Java Web Services, Spring Framework, Junit, PostgreSQL, Apache Maven, Microsoft SQL Server, Object-Oriented Software Development, Oracle (Applications), Scrum Methodology, Query Optimization, Mockito, Standard Sql, Simple Object Access Protocol (SOAP), Software Engineering, Software Systems, SQL Stored Procedures, Software Technical Review, Web Services, Enterprise Application Integration, Test-Driven Development (TDD), Delivery Pipeline, Spring-boot, Git, Integration Tests, Information Technology, Api Gateway, Restful APIs, Jenkins - **Published:** October 18, 2026 - **Apply:** https://www.dice.com/job-detail/36416b40-707b-44c9-aeae-2c00219b4c71 ## About the Role · Core Java (Java 8/11/17) with strong object-oriented design and problem-solving skills. · Spring Framework / Spring Boot for building services, REST APIs, and enterprise integrations. · Design and consumption of RESTful (and/or SOAP) web services; familiarity with API gateways and integration patterns. · Strong SQL and relational database experience (e.g., Oracle, SQL Server, PostgreSQL) - schema design, query tuning, stored procedures. · Unit and integration testing frameworks (JUnit, Mockito, or equivalent) and test-driven development practices. · Build and CI/CD tooling (Maven/Gradle, Git, Jenkins/Azure DevOps or equivalent) in an enterprise delivery pipeline. · Application and interface troubleshooting across data, performance, and deployment layers in a production support capacity. · Working knowledge of Agile/Scrum ceremonies - sprint planning, backlog refinement, demos, and status reviews. Behavioural Competencies: · Capable of working independently in a large, complex enterprise environment with minimal day-to-day direction. · Strong collaborator who partners effectively with both technical teams and business stakeholders. · Clear written and verbal communicator; able to produce client-ready technical documentation and status updates. · Proactive in surfacing risks, dependencies, and blockers early to support on-time delivery. · Dependable and delivery-focused, with a strong sense of ownership over assigned work through to production stabilization. · Comfortable mentoring and transferring knowledge to client personnel, including formal end-of-engagement transition. Required Qualifications: · 6+ years of professional Java development experience, including senior-level ownership of application design and delivery. · Hands-on experience with Spring/Spring Boot, REST API development, and enterprise application integration. · Strong SQL and relational database skills; experience with enterprise-scale data models. · Proven experience with unit/integration testing, code reviews, and Agile/Scrum delivery practices. · Experience troubleshooting production issues across application, interface, data, and deployment layers. · Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent practical experience. · Must be able to work 100% onsite, 5 days per week, for the full duration of the engagement. · Must be based at or willing to relocate (at own cost) to Decatur, IL, or East Peoria, IL as the alternate location, with no relocation/housing assistance provided. · Must be authorized to work in the United States for the duration of the engagement. ## Description Our client is a Fortune 100 manufacturer of heavy equipment, engines, and machinery used across mining, construction, and other resource-intensive industries. The Resource Industries Operations & Products (RIOP) IT organization supports the enterprise systems, applications, and integrations that power manufacturing, product support, and operations functions for this business. The team is seeking a Senior Java Developer to design, build, and support Java-based applications, services, APIs, and integrations within a large, complex enterprise environment. This is a hands-on, individual-contributor role requiring strong technical depth, the ability to work independently, and close collaboration with both technical and business stakeholders over a focused six-month engagement, fully onsite at the client's Decatur, IL facility (East Peoria, IL as the alternate site)., · Design, develop, enhance, and maintain Java-based applications, services, APIs, and integrations as assigned by the client. · Analyze approved functional and technical requirements and translate them into maintainable, well-engineered software solutions. · Produce source code, configuration changes, unit tests, and supporting technical documentation in client-approved repositories and formats. · Participate in technical design reviews, code reviews, backlog refinement, sprint planning, demonstrations, and delivery-status reviews applicable to assigned work. · Perform unit and integration testing; support system and user-acceptance testing; investigate and correct defects attributable to delivered work. · Troubleshoot application, interface, data, performance, and deployment issues associated with assigned deliverables. · Support client-approved deployment and stabilization activities, including production defect analysis when assigned. · Identify and communicate technical risks, dependencies, constraints, and blockers early enough to support timely resolution. · Provide ongoing knowledge transfer to designated client personnel and complete end-of-engagement transition documentation.