Software Engineer, Java Backend

Secret Clearance required at time of hire IAT Level II certification (such as CompTIA Security+ CE) required, or obtained within 6 weeks of start date US Citizenship required Location: Remote, Missouri or Illinois Overview At McLean Forrester LLC, we are at the forefront of AI-driven solutions, pushing boundaries, and taking on the world’s most challenging problems. We’re not just another tech start-up; we’re a team of bold innovators with deep commercial and government experience, dreaming big and taking the world by storm. We are a woman & veteran-owned technology and consulting firm that specializes in AI and data, modernizing applications, and providing experienced IT and software development leadership and engineering. McLean Forrester is seeking a Mid-Level Software Engineer to support the U.S. Transportation Command (USTRANSCOM) Integrated Booking System (IBS) program at the U.S. Army Transportation Command (ARTRANS), formerly the Surface Deployment and Distribution Command (SDDC). IBS is the worldwide system the Department of Defense uses to book commercial ocean transportation for military cargo. The primary focus of this role is Java backend development, including new capabilities, enhancements, and sustainment of an existing enterprise application. The engineer plans, analyzes, and designs software, and programs solutions that require extensive research, applying advanced knowledge of computer science or software engineering and of software development and security methodologies. This position is remote, and the employee must be located in Missouri or Illinois. An active Secret clearance is required at the time of hire and cannot be obtained afterward. IAT Level II certification, such as CompTIA Security+ CE, is required, and candidates who do not already hold it must obtain it within six weeks of the start date. Duties & Responsibilities Plan, analyze, and design software solutions to technical problems, researching approaches and technologies as needed Develop new capabilities, enhancements, and sustainment fixes for an existing enterprise application Design, develop, test, and maintain Java backend applications using Spring Boot, Spring Framework, or comparable Java frameworks Develop backend business logic, service-layer components, and application integrations Design, build, and consume RESTful APIs and web services Write and maintain unit and integration tests for Java applications Troubleshoot and debug enterprise applications, APIs, and integrations Contribute to CI/CD pipelines and DevSecOps practices Apply secure coding practice and remediate vulnerabilities identified by security scanning tools Participate in Agile ceremonies, collaborate within a distributed development team, and maintain technical documentation Equal Employment Opportunity McLean Forrester LLC is an equal opportunity employer. We provide equal employment opportunity to all employees and qualified applicants without regard to race, color, religion, national origin, sex, age, disability, pregnancy, sexual orientation, gender identity, genetic information, protected veteran status, or any other status protected by federal, state, or local law. As a federal contractor, we comply with Section 503 of the Rehabilitation Act of 1973 and the Vietnam Era Veterans’ Readjustment Assistance Act. Authorization to Share Resume and Personal Information: By submitting your resume for this position, you authorize McLean Forrester LLC to share your resume and the personal information it contains with our affiliates, prime contractors, and teaming partners for the purpose of considering you for this position and other available positions requiring comparable skills, education, and experience. Should McLean Forrester or its teaming partners wish to initiate pre-employment discussions, you will be asked to complete an employment application and related employment documents. At McLean Forrester we believe diversity fuels innovation. Be yourself, with us. Required Experience Qualifications Active Secret clearance, held at time of hire IAT Level II certification, such as CompTIA Security+ CE, or ability to obtain the required certification within six weeks of the start date At least 3 years of professional software development experience Strong hands-on experience developing applications using Java Experience developing, enhancing, and maintaining enterprise applications Experience with Spring Boot, Spring Framework, or comparable Java application frameworks Experience designing, developing, and consuming RESTful APIs and web services Experience developing backend business logic, service-layer components, and application integrations Experience with relational databases and SQL Experience with object-oriented design, software design principles, and common development patterns Experience writing unit and integration tests for Java applications Experience troubleshooting and debugging enterprise applications, APIs, and integrations Experience using Git or similar source-control tools Experience working in an Agile software development environment Familiarity with CI/CD pipelines and DevSecOps practices Strong problem-solving, debugging, and analytical skills Ability to work independently and collaborate effectively within a distributed development team Preferred Experience Preferred Qualifications Experience supporting USTRANSCOM, DoD, or other federal mission systems Experience developing Spring Boot enterprise applications or microservices Experience with cloud environments, particularly AWS Experience with Docker, Kubernetes, or similar containerization and orchestration technologies Experience with messaging, asynchronous processing, or enterprise application integration Familiarity with secure coding, vulnerability remediation, and security scanning tools Experience with tools such as GitLab, Jenkins, Jira, and Confluence Experience working in a DoD DevSecOps environment Required Skills At least 3 years of professional software development experience Strong hands-on experience developing applications using Java Experience developing, enhancing, and maintaining enterprise applications Experience with Spring Boot, Spring Framework, or comparable Java application frameworks Experience designing, developing, and consuming RESTful APIs and web services Experience developing backend business logic, service-layer components, and application integrations Experience with relational databases and SQL Experience with object-oriented design, software design principles, and common development patterns Experience writing unit and integration tests for Java applications Experience troubleshooting and debugging enterprise applications, APIs, and integrations Experience using Git or similar source-control tools Experience working in an Agile software development environment Familiarity with CI/CD pipelines and DevSecOps practices Strong problem-solving, debugging, and analytical skills Ability to work independently and collaborate effectively within a distributed development team Preferred Skills Experience developing Spring Boot enterprise applications or microservices Experience with cloud environments, particularly AWS Experience with Docker, Kubernetes, or similar containerization and orchestration technologies Experience with messaging, asynchronous processing, or enterprise application integration Familiarity with secure coding, vulnerability remediation, and security scanning tools Experience with tools such as GitLab, Jenkins, Jira, and Confluence Experience working in a DoD DevSecOps environment Certificates/Security Clearances/Other Active Secret clearance, held at time of hire IAT Level II certification, such as CompTIA Security+ CE, or ability to obtain the required certification within six weeks of the start date