Ad Hoc is a technology company that empowers organizations to deliver scalable, impactful digital services. Using modern, agile methods, our team creates products that meet people’s needs and transform their experience of government.

Our collaborations have shaped some of the defining moments in public-sector service delivery. We’ve helped build products that connect Veterans to tailored services, help millions access affordable health care, and support important programs across the federal government.

Built for a Remote Life

Our culture, communications, and tools are built for remote work, enabling us to bring together top talent nationwide. At Ad Hoc, remote life empowers our teams to design work environments that fit their lives while fostering flexibility, collaboration, and strong outcomes for our customers.

Committed to High Expectations and a Welcoming Culture

Ad Hoc values acceptance, accountability, and humility. We build small, inclusive teams that collaborate closely with our partners to solve meaningful problems and deliver software that works.

Federal Civilian

The Federal Civilian business unit supports many customers spanning the federal, commercial, and nonprofit space. Our customers include NASA, the General Services Administration, Office of Personnel Management, the Library of Congress, Health & Human Services, and the FDIC. We partner with these agencies to build new capabilities, deliver products, establish data as a strategic asset for informed decision-making, modernize legacy systems, and build the digital service infrastructure necessary to scale their mission impact.

Role Overview

Ad Hoc is 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.

This role is ideal for engineers with strong experience building Java-based applications, supporting distributed systems, and collaborating within agile software development teams. You will contribute to mission-critical systems supporting government operations and modernization initiatives.

We have a strong preference for candidates located near Greenbelt, Maryland, or candidates willing to travel onsite periodically for badging and program-related activities.

This role will require the ability to obtain and maintain a government clearance.

What You’ll Do

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

Required Qualifications

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

Desired Qualifications

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

Location & Travel

Remote role with strong preference for candidates near Greenbelt, MD
Periodic travel required for NASA badging and onsite activities

Benefits

Company-subsidized health, dental, and vision insurance
Flexible PTO
401(k) with employer match
Paid parental leave after one year of service
Employee Assistance Program

Ad Hoc LLC is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, national origin, ancestry, sex, sexual orientation, gender identity or expression, religion, age, pregnancy, disability, work-related injury, covered veteran status, political ideology, marital status, or any other factor protected by law.

We value the unique skills gained through military service and encourage veterans and transitioning service members to apply.

In support of various state and city equal pay transparency laws, Ad Hoc job descriptions feature the starting range we reasonably expect to pay candidates who would join our team with little to no additional training on the responsibilities outlined above. Actual compensation is influenced by factors including skill set, level of experience, and scope of responsibility. The anticipated salary range for this role is $130,000 – $145,000 annually. Recruiters will be happy to answer questions regarding compensation and benefits during the interview process.

To learn more about working at Ad Hoc, please visit:

Ad Hoc Careers