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Full Stack Developer - (BEAGLE)

Company:
Le Fant
Location:
Ashburn, VA
Pay:
$60,000 - $150,000
Posted:
December 19, 2025
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Description:

Full-time

Description

About Le'fant

Le’fant is a rapidly growing CVE Certified, Service Disabled Veteran Owned Small Business specializing in management consulting for the federal government. Our compensation and benefits plans are designed to attract and retain the industry's best talent to provide the highest quality services to the Federal Government. We offer 40lK matching, customized health plans, dental and vision insurance, life insurance, short and long term disability coverage, an incentives program to recognize exceptional behavior and competitive base salaries. We hire the best to provide the best service.

Le’Fant is seeking an experienced Full Stack Developer to design, develop, and maintain custom software and database applications for both legacy and modernized systems. You will work collaboratively on a product team, contributing to all phases of the software development life cycle, including planning, coding, testing, release, and retrospectives. This role requires hands-on experience with Java or C# (.NET Core), Spring MVC/Boot, Angular or React, relational databases (PostgreSQL, Hibernate, Entity Framework), and full-stack system design and integration. You will also support code quality practices, mentor junior team members, and provide innovative solutions to complex technical problems.

Responsible for:

Designing, developing, and implementing custom software and database application capabilities for a variety of legacy and modernized systems with limited oversight

Acting as a member of a product team supporting teammates and collaborating with a do what it takes attitude to ensure product and team success

Providing improvements to the product(s) being supported

Actively participate in release and sprint planning, artifact creation, sprint testing, regression testing, demonstrations and retrospectives and solution releases

Supporting release planning with conceptual design and development / refinement of software engineering guidelines

Analyzing complex project-related problems and creating innovative solutions involving, scheduling, technology, methodology, tools and solution components

Ensuring product quality and timeliness of work, providing advice and guidance, resolving problems to meet objectives, and providing periodic performance reports

Providing mentoring to junior members of the team

Requirements

Must be a U.S. citizen.

All work must be performed within the United States.

Must have the ability to pass CBP background investigation, criteria include but are not limited to:

1-year check for misconduct such as theft or fraud

1-year check for illegal drug use

3-year check for felony convictions

College degree (B.S.) in Computer Science, Software Engineering, Information Management Systems or a related discipline. Equivalent professional experience will be considered in lieu of degree

Professional Experience: at least seven (7) years related technical experience, with software design, development and implementation in a Windows Environment

You’ll Bring These Qualifications:

Demonstrated professional experience with our tech stack: Java / C# (.NET Core), Hibernate, PostgreSQL, Spring MVC, Spring Boot, Angular / React.

Experience creating reusable libraries, developing interactive and responsive interfaces, implementing complex solutions, encouraging quality code through conducting reviews/leading tests, and applying beautiful visualizations to solutions

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

You can provide detailed examples of instances where you have bridged the gap between user interface design and technical implementation

Genuine passion for user experience and user-centric development

Persistence- continuously research new and best coding practices

Adept at optimizing application for maximum speed and scalability

Exceptional communication skills that include leading design-related conversations, ability to build and nurture good relationships and foster an environment for collaboration

Experience with source code control systems and concurrent development workflows (Git preferred)

Understanding of all elements of the software development life cycle, including planning, development, requirements management, CM, quality assurance, and release management.

While candidates near Ashburn, VA, who can report onsite at least once per week are preferred, we welcome applicants from anywhere in the U.S. for remote work, subject to customer approval.

These Qualifications Would be Nice to Have:

Technical Certifications, such as AWS Certified Developer, AWS Certified Solutions Architect, OCP Java, etc.

DevOps experience /CI/CD pipeline.

Ability to support and enhance applications built on a Spring Boot or .NET Core technical stack

PLEASE NOTE THERE MAY BE SOME TRAVEL TO WASHINGTON DC AREA A FEW TIMES A YEAR

EEO Statement:

It has been and will continue to be a fundamental philosophy and policy of Le’fant not to discriminate on the basis of race, color, religion, sex, gender, sexual orientation, sexual gender, gender identity or expression, pregnancy, parental status, marital status, citizenship, national origin, age, disability, genetic information, military status, veteran status or any other protected category with respect to recruitment, hiring, training, promotion, and other terms and conditions of employment.

Pay Transparency

There are many factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, the individual’s particular combination of education, knowledge, skills, competencies, and experience, expected quality and quantity of work, required travel (if any), external market and internal value analysis as well as contract-specific affordability and organizational requirements. Annual salary is just one component of Le'fant's total compensation package. Le'fant provides a variety of benefits to employees, including but not limited to, health insurance coverage, life and disability insurance, a 401k plan, paid holidays and paid time off. Compensation ranges may differ based on contract value but will be commensurate with job duties and relevant work experience. An applicant's salary history will not be used in determining compensation. Le’Fant maintains compliance with all federal, state, and regional labor laws and regulations for the workforce lifecycle, for all candidates and employees, regardless of employment status. This commitment applies across temporary, part-time, full-time, and salaried positions, complying with regulatory minimum wage rates and exempt salary thresholds. We accept applications on an on-going basis and there is no fixed deadline to apply. Since this position can be worked in more than one location, the range shown is the national average for the position.

A reasonable estimate of the current range is $60,000 to $150,000

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