Senior Software Engineer – Backend (Java)Work on Things That MatterBuilt for a Remote LifeCommitted to High Expectations and a Welcoming CultureFederal CivilianRole Overview

Ad Hoc LLC is a technology company that empowers organizations to deliver scalable, impactful digital services. They are seeking a Senior Software Engineer – Backend (Java) to support the development and modernization of enterprise-scale web applications and backend systems in a federal environment.

Responsibilities:

• Design, develop, and maintain enterprise-level Java web applications and backend services
• Build and support RESTful APIs and distributed system integrations
• Develop scalable solutions using Spring Framework and related Java technologies
• Write, optimize, and troubleshoot SQL queries against Oracle databases
• Collaborate with engineers, product teams, QA, DevOps, and client stakeholders in agile environments
• Troubleshoot production issues and support ongoing system enhancements
• Participate in code reviews, technical planning, and architecture discussions
• Contribute to software engineering best practices and development standards
• Support application deployment, maintenance, and continuous improvement initiatives

Requirements:

• 8+ years of relevant software engineering experience and a Bachelor's degree, or equivalent additional experience in lieu of a degree
• 5+ years of hands-on experience developing Java web-based applications
• Strong experience with Java, JSP, Spring Web Framework, and REST Web Services
• 3+ years of experience working with Oracle databases and writing SQL queries
• 2+ years of experience developing web applications using JavaScript libraries and frameworks
• Experience with JavaScript, especially jQuery, CSS, HTML, JSON, and XML
• Experience with JBoss, Hibernate or myBATIS, Maven, rich AJAX web applications, Eclipse, Git, and software development process models
• Strong troubleshooting and debugging skills in enterprise environments
• Experience working within agile software development teams
• Ability to obtain and maintain a government clearance
• Ability to travel onsite to a NASA location for badging and program support
• Strong preference for candidates who can work onsite in Greenbelt, MD as needed
• Experience supporting NASA or federal civilian agencies
• Experience with event-driven or eventful architectures
• Experience with Spring Batch
• Familiarity with DevOps practices and CI/CD pipelines
• Experience modernizing legacy enterprise systems
• Experience working within government consulting or federal contracting environments
• Experience supporting cloud or hybrid-cloud environments