Software developer jobs in Leesburg, VA and nearby

Software developer jobs within 25 miles of Leesburg, VA. Nearby towns and cities are included. Distances are straight-line, not driving distances.

Counted Nov 3, 2026

Hiring at a glance

View jobs

Open jobs: 364
Employers: 134

Advertised starting pay

Average starting payUSD / year: $113,310Across 45 listings

Employer-advertised starting pay, not employee salaries. Currencies and pay periods stay separate.

Where work happens

Remote: 0%0 listings
Hybrid: 1%4 listings
On-site: 21%77 listings

Not specified: 78% (283 listings)

Employers hiring include LEIDOS, INC. (25), Cymertek (18), CACI International (16).

Sources & calculation notes

These figures describe the listings on this role page at the date shown, not the whole job market. Listings can change.

Employer-listed minimums from at least 10 listings per currency and pay period. These are advertised starting amounts, not employee salaries. Jobs without a minimum and unusual amounts are excluded.

Hybrid and on-site classifications may be inferred from descriptions. Check the original ad. How we count

Software developer jobs in Leesburg, VA and nearby

Within 25 miles

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Added 6 days ago
SS
Senior Software Developer
Syms Strategic Group, LLC (SSG)
Ashburn, VA
- $85,389 to $116,975 USD / year
Syms Strategic Group (SSG) is seeking a talented Senior Software Developer
Added 6 days ago
SS
Senior Software Developer
Syms Strategic Group, LLC (SSG)
Frederick, MD
- $85,389 to $116,975 USD / year
Syms Strategic Group (SSG) is seeking a talented Senior Software Developer
Added 6 days ago
Senior Software Developer
Fantom Corporation
Chantilly, VA
…expertise, and long-term career growth.We are seeking a Senior Software Developer to support a mission-critical enterprise. This role is responsible for designing, building, and maintaining…
Added 6 days ago
Principal Software Developer
Leidos
Gaithersburg, MD
Leidos is seeking a Principal Software DevOps Developer to join a high performing team leading the digital modernization of the Federal Aviation Administration’s (FAA) Terminal Flight Data…
Added 7 days ago
U
Entry-level Full-Stack Software Developer
Unissant
Ashburn, VA
- $99,000 to $164,000 USD / year
Added 8 days ago
2027 Summer Intern, Software Developer (Reston, VA)
ICF Incorporated, LLC
Reston, VA
ICF is seeking a motivated 2027 Summer Intern, Software Developer to join our growing technology team. This opportunity is designed for students interested in software development,…
Added 8 days ago
Software Developer (Hybrid, Reston, VA)
Guidance Residential
Reston, VA
We are seeking a full-time Software Developer.
Added 8 days ago
Senior Software Developer (Reston VA or DFW Texas Area)
Guidance Residential
Reston, VA
This Software Developer position is 100% onsite and is available only in Reston, VA or the DFW, Texas area. Candidates must currently live in one of these locations or be willing to…
Added 8 days ago
Mid-Level Software Developer
Absolute Business Solutions Corp
Reston, VA
Added 10 days ago
C
Software Developer - Active Security Clearance
Cadre
Reston, VA
- $130,000 to $190,000 USD / year
This Software Developer position is located in Northern Virginia with flexible core hours.
Added 10 days ago
C
Software Developer - Active Security Clearance
Cadre
Reston, VA
- $130,000 to $190,000 USD / year
This Software Developer position is located in Northern Virginia with flexible core hours.
Added 11 days ago
AP
Software Developer (Java/Spring Boot)
Ardent Principles, Inc.
Chantilly, VA
- $130,000 to $260,000 USD / year
We are seeking a mission‑driven Software Developer with strong expertise in Java and the Spring Boot framework to build and enhance classification tools and secure enterprise applications.…
Added 11 days ago
University, Software Developer
Booz Allen Hamilton_United States
McLean, VA
University, Software DeveloperThe Opportunity:
Added 11 days ago
Software Developer
System One
McLean, VA
Software Developer Practice: Software Development & Support / Digital
Added 12 days ago
Software Developer (Systems Software)
Avalore, LLC
Chantilly, VA
Avalore is looking for a Software Developer Lead, a role with high visibility within the customer space. This individual will support a team building an integrated enterprise IT support…
Added 12 days ago
Senior Software Developer
LEIDOS, INC.
Chantilly, VA
Leidos is seeking a Software Developer for a 200+ FTE technical development program supporting the Sponsor’s Entitlement Programs as well as IdAM /ICAM, Authentication, Authorization,…
Added 12 days ago
Senior Software Developer
LEIDOS, INC.
Chantilly, VA
Leidos is seeking a Software Developer for a 200+ FTE technical development program supporting the Sponsor’s Entitlement Programs as well as IdAM /ICAM, Authentication, Authorization,…
Added 12 days ago
Senior Software Developer
LEIDOS, INC.
Chantilly, VA
Leidos is seeking a Software Developer for a 200+ FTE technical development program supporting the Sponsor’s Entitlement Programs as well as IdAM /ICAM, Authentication, Authorization,…
Added 13 days ago
Jr AI Native Software Developer
LEIDOS, INC.
Reston, VA
Leidos is seeking a Jr level, AI Software Developer to join the Airports, Borders, and Security (AB&S) Business Area within the Homeland Sector, building the Travel & Customs Orchestration…
Added 13 days ago
Software Developer – Database Administrator – Senior
Amentum
Chantilly, VA
We are seeking a talented and experienced Senior Software Engineer/Database Administrator to join our dynamic team. The ideal candidate will have over 10 years of software development…
Added 13 days ago
AI Native Software Developer
LEIDOS, INC.
Reston, VA
Leidos is seeking a Jr level, AI Software Developer to join the Airports, Borders, and Security (AB&S) Business Area within the Homeland Sector, building the Travel & Customs Orchestration…
Added 14 days ago
Senior Salesforce Application Developer
Steampunk
McLean, VA
As a Steampunk Salesforce Developer, you will work with Technical/Solutions Architects and Business Analysts to translate business requirements into well‐architected solutions that best…
Added 14 days ago
Senior Software Developer - Systems & UX Design
BAE Systems
McLean, VA
Added 14 days ago
Senior Software Developer - AI Harness Development
BAE Systems
McLean, VA
Added 14 days ago
Software Developer - SME
Peraton
Herndon, VA

Unissant

Entry-level Full-Stack Software Developer

Ashburn, VA, United States

$99,000 to $164,000 USD / year

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Job details

Pay: $99,000 to $164,000 USD / year
Education: Bachelor’s degree
Posting language: English
Posted: Oct 27, 2026

Original job description

Unissant, Inc. delivers innovative capabilities to the agencies that keep our nation healthy and safe. We apply our domain expertise, data acumen, and technology know-how to achieve breakthrough results for our clients. Working collaboratively, we advance missions and careers through a focus on honesty, integrity, and dependability. We continuously look for talent, excited to join that effort. To learn more about our exciting organization, please visit us at www.unissant.com.

We are seeking an entry-level Full-Stack Software Developer to join our software development team in Ashburn, Virginia, supporting U.S. Customs and Border Protection (CBP) within the Department of Homeland Security (DHS). This role contributes to developing, modernizing, and maintaining mission-critical systems that support CBP field operations.

Qualified applicants may be subject to a security investigation and must meet the minimum qualifications for access to sensitive government information.

Essential Duties and Responsibilities

Design, build, and maintain full-stack web applications using Angular (TypeScript/JavaScript) and Spring Boot (Java).
Develop and consume RESTful APIs connecting front-end applications with backend services and enterprise systems.
Design, query, and maintain application data stores using PostgreSQL, MongoDB, Oracle, or similar database technologies.
Deploy, configure, and maintain application infrastructure using AWS cloud services.
Build responsive, intuitive user interfaces that meet usability and accessibility standards.
Write unit and integration tests to support system reliability and maintainability.
Participate in the full software development lifecycle, including requirements review, design, implementation, and testing.
Follow CBP cybersecurity standards, including secure authentication and data-handling practices.
Participate in Agile ceremonies, including standups, sprint planning, and code reviews.
Troubleshoot and resolve application and system issues in coordination with senior engineers.

Work Experience and Job Skills

Foundational experience with Angular and Java/Spring Boot; relevant coursework, internships, and personal projects are accepted.
Understanding of relational and NoSQL database design.
Familiarity with PostgreSQL, MongoDB, Oracle, or similar databases.
Understanding of RESTful API design principles and full-stack application architecture.
Familiarity with AWS cloud services.
Familiarity with unit and integration testing practices.
Strong problem-solving skills and willingness to learn new technologies.
Coursework or project experience with microservice architecture is preferred.
Familiarity with Git, Jira, or similar development and issue-tracking tools is preferred.
Exposure to CI/CD pipelines and containerization technologies such as Docker or Kubernetes is preferred.
Experience working in an Agile/Scrum environment is preferred.

Education

A bachelor's degree in Computer Science or a related technical field is required.

Certificates, Licenses, and Registrations

This federal program requires candidates to be United States citizens.
Candidates must be able to obtain and maintain a Public Trust position and favorable suitability based on a CBP Background Investigation.
Candidates may begin with a limited CBP Background Investigation.
No professional certification is required.

Communication Skills

Strong written and verbal communication skills.
Ability to communicate technical information clearly.
Ability to collaborate effectively with developers, engineers, and other project stakeholders.
Ability to work successfully in an Agile team environment.

Travel and Work Location

Hybrid position based in Ashburn, Virginia.
Onsite attendance is required four days per week during the first year and as mission needs require.

Environmental Requirements

Primarily sedentary work performed in an office environment.
Flexibility may be required to support changing project and mission priorities.

The above statements describe the general nature and level of work performed by individuals assigned to this position. They are not intended to be an exhaustive list of all duties, responsibilities, or required skills. Unissant management reserves the right to modify, add, or remove duties and assign other duties as necessary. Where applicable and available, reasonable accommodations may be provided to enable individuals with disabilities to perform essential functions.

Please note: Candidates will be required to complete pre-employment screening.

Unissant, Inc. is a proud Equal Opportunity Employer! (EOE; M/F/Disability/Vets)

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