Java Software Engineer (Core Java)

Job overview

The Java Software Engineer (Core Java) role is onsite in McLean, VA, and compensation is not specified. The position requires an active TS/SCI clearance with polygraph and U.S. citizenship. The engineer will build server-side web applications focused on PKI and cryptography for a federal national-security mission. The role develops and maintains secure web applications using Core Java and related technologies, contributing to the mission through cryptographic and identity-focused capabilities. It also supports application data access, deployment, integration, and front-end functionality in the specified technical environment.

What you'll do

• Develop web applications using Core Java 17+ with Jakarta Servlets and JSP
• implement JDBC/DAO data access with MariaDB/MySQL without ORM frameworks
• run applications on Tomcat 11+ and Linux with LDAP integration
• implement PKI/X.509, SSH, OpenSSL, and Java cryptography including AES, RSA, and ECC
• build front ends using JavaScript, AJAX, jQuery, HTML5, and CSS.

What we're looking for

Skills & competencies

java software engineer

core java

java 17+

jakarta servlets

jsp

pki

cryptography

ts/sci with polygraph

u.s. citizenship required

mclean va

falls technology

full-time

onsite

Work arrangement

• Weekend coverage required

Benefits & perks

• 9% retirement contribution
• 100% of family medical premiums paid
• four weeks of paid time off.

Why this role

Active TS/SCI with polygraph and U.S. citizenship are required. Python web applications, Confluence plugin development, and Windows AD Certificate Services are nice to have.

About the employer

Falls Technology is hiring for this role. Industry: Custom Computer Programming Services. Sector: 54.