Senior Software Engineer

General information

Requisition # R58455 Locations USA-VA-Reston Posting Date 02/27/2025 Security Clearance Required Secret Remote Type Onsite Time Type Full time

Description & Requirements

Unlock the secrets of intelligence with ManTech! Join a dynamic team at the forefront of national security, providing advanced solutions to government intelligence agencies. Since 1968, we’ve been solving the toughest challenges with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Elevate your career and make a difference. Your adventure begins now—unleash your potential with ManTech!

ManTech seeks a motivated, career and customer-oriented Senior Software Engineer to join our team in the Reston or Chantilly, VA location. This is an onsite position.

The successful candidate will be dedicated full-time to development and enhancement support for existing software and systems solutions and the development of new solutions as required.

Responsibilities include but are not limited to:

• Designing, developing, programming, and modifying software, systems, applications, and tools, both existing and new in the future

• Analyzing software and integration requirements and working with team members to determine development and implementation plans

• Correcting errors by making the appropriate changes and then re-checking the program to ensure the desired result was produced

• Developing solutions and maintaining support for external data sources and users

• Building web services, APIs, and other solutions to interface with third-party systems to synchronize data

• Conducting testing of software to be sure it will produce the desired results and that instructions are correct

• Organizing and maintaining documentation of developed software and subsequent revisions, so others are able to understand the program

• Collaborating with teammates, third-parties, vendors, and users to develop new requirements and solutions

• Ability and willingness to travel overseas if required

Basic Qualifications:

• 10+ years of relevant software engineering experience

• Strong programming/development skills and hands-on engineering experience (Java & JDK 17+ and/or Javascript/Typescript)

• Strong experience with REST APIs and standard software engineering tools such as Jira, Git, Gradle/Maven and experience developing software in Linux environments

• Experience with the full data lifecycle, from ingest through display

• Experience using SonarQube for code quality testing

Preferred Qualifications:

• Experience with one or more of the following development technologies: Vue.js, Vite, microservices, Bash, wireframes, UX patterns, Websockets, Groovy/Grails

• Experience with one or more of the following test technologies: Junit5, AssertJ, Mockito, Po