SME Java Application Software Developer

This position is for a SME Java Application Software Developer on the ESA V program. ESA V is an IT applications and infrastructure services program supporting several customers within the Department of Justice (DOJ), including the Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF). The program provides a range of IT services, including software application support, help desk, deskside support, Windows workstation engineering and maintenance, managed print services, ITSM, Active Directory services, and video conferencing.

The program provides software development support for a variety of ATF custom software applications; these needs are growing as we support the customer's move to the cloud and the associated application migration and modernization, and we are expanding our team. The individual selected for this position will work closely with the ATF to satisfy rapidly emerging Java development requirements and must be able to work as part of a team to design and implement solutions that meet customer requirements using an Agile methodology. This assignment mixes Front end GUI design and development skills (e.g., Angular.js, Node.js, Express.js, TypeScript, bootstrap, CSS, HTML etc.) with Java development skills to construct innovative solutions for the ATF.

This position is 100% remote and requires working in a fast-paced, dynamic environment; this position also offers the ability for significant virtual support. Excellent communication skills are required to interact with the customer and program team. This position is contingent on receipt of required clearance from the Government customer.

Primary Responsibilities

Lead system and data architecture and modeling, develop, and maintain Java software applications using Agile software development techniques

Lead troubleshooting and resolving complex technical issues

Perform code reviews, analyze and optimize the performance of applications

Support software application migration from an on-premise data center to a cloud environment

Consult with the business process owners, customers, users and constituents to develop and analyze customer requirements

Provide expert inputs for innovation and improvement with emerging technologies and industry trends to incorporate new solutions and improve existing systems

Collaborate with members of project teams to ensure successful, technically sound projects which are completed on time and on budget

Lead and mentor more junior members of the team in the performance of project tasks

Create and maintain application documentation

Basic Qualifications

Bachelor's degree from an accredited college in a related discipline, with 12 years of prior relevant experience; or a Master's degree with 10 years of prior relevant experience; additional years of experience and/or relevant certifications will be considered in lieu of degree.

Agile development experience

Application Server Experience with Agile development

Cloud development experience

Java Development JDK 1.7 / 1.8 (or higher); J2EE Technologies

REST API, SOAP

Relational SQL

JBoss Middleware

Apache Web Server

HTML, CSS & Webservices

JavaScript frameworks Node / Angular / Express/ TypeScript

RedHat Linux

AWS Technologies (API Gateway, S3, Lamba, etc.)

Experience establishing goals and meeting project plan objectives

Excellent communication skills

Customer interface experience

Excellent teamwork skills, including team leadership experience

Preferred Qualifications

Docker, Kubernetes, OpenShift

GitLab, Jenkins, CloudFormation

Integrated Development Environment

noSQL

Mobile application development experience

Testing experience, including automated testing

Project management experience

Government contracting experience, particularly with the DOJ

DOJ or DOD Clearance.

Required Clearance: Candidate selected will be subject to a Government Public Trust security investigation and must meet eligibility requirements for access to the customer's information. ship is required. Current clearance is not required, but selected individual cannot start the assignment until the required security clearance is granted by the customer.

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares.

Original Posting:
November 21, 2025

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:
Pay Range $126,100.00 - $227,950.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.