Full Stack Developer

Le'Fant LLC

Full Stack Developer designing, developing, and maintaining custom software applications for Le'Fant, specializing in federal government consulting services. Collaborating with teams throughout the software development life cycle while mentoring junior members.

Posted 7/10/2026full-timeAshburn • Virginia • 🇺🇸 United StatesSeniorLead💰 $75,000 - $120,000 per yearWebsite

Tech Stack

Tools & technologies

AngularHibernateJava.NETPostgresReactSDLCSpringSpring BootSpringBoot

About the role

Key responsibilities & impact

Design, develop, and maintain custom software and database applications for both legacy and modernized systems
Work collaboratively on a product team
Contribute to all phases of the software development life cycle
Support code quality practices and mentor junior team members
Provide innovative solutions to complex technical problems
Actively participate in release and sprint planning, testing, and retrospectives

Requirements

What you’ll need

Must be a U.S. citizen
Ability to pass CBP background investigation
College degree (B.S.) in Computer Science, Software Engineering, Information Management Systems or a related discipline OR equivalent professional experience
At least seven (7) years related technical experience in software design, development and implementation in a Windows Environment
Demonstrated professional experience with Java / C# (.NET Core), Hibernate, PostgreSQL, Spring MVC, Spring Boot, Angular / React
Ability to implement new features by transforming mockups into fully functional user interfaces integrated with API enabled microservice built on Spring-boot/Java or C# (.NET Core) based backend
Experience with source code control systems and concurrent development workflows (Git preferred)

Benefits

Comp & perks

40lK matching
Customized health plans
Dental and vision insurance
Life insurance
Short and long term disability coverage
Incentives program to recognize exceptional behavior
Competitive base salaries

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

Software DesignSoftware DevelopmentImplementationAPI IntegrationMicroservices ArchitectureCode Quality PracticesUser Interface DevelopmentConcurrent Development WorkflowsSource Code Control (Git)Database Applications

Soft Skills

CollaborationMentoringProblem SolvingInnovative ThinkingCommunication