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Application Software Developer I
Application Software Developer I-February 2024
Falls Church
Feb 10, 2026
About Application Software Developer I

Application Software Developer I

Who is Epsilon:

Epsilon is an IT Services company that was founded in 2009 and has become an established leader in providing Information Technology services to both Federal Government and Commercial businesses across the United States. Epsilon is known for its solution-focused and innovative approach, aligning technology systems, tools, and processes with the missions and objectives of its customers.

Epsilon’s headquarters are in Weaverville, NC with other corporate offices in Greenville, SC, Crystal City, VA, and Denver, CO. We have employees in 30+ States across the U.S.

Why work for Epsilon:

In joining Epsilon’s team, you will have the opportunity to contribute to Epsilon’s business and customer initiatives, as well as influence our brand culture through people interaction and technology advancements.

Epsilon invests in our employees by promoting from within and enabling employees to elevate their knowledge and skill set in their profession by allocating $3,000 annually in Professional Development funds. We also offer competitive pay, comprehensive benefits through one of the largest national carriers, Paid Time Off (PTO) that increases with tenure and has a generous rollover, 11 company paid Holidays, and 401(k) with immediate contribution.

Where you’ll work:

This is a hybrid onsite/remote opportunity where you will report to the customer location in Falls Church, VA and have the flexibility to work from home based on business needs.

An average day:

As Application Software Developer I you will contribute to the development and maintenance of new and existing enterprise software applications that support a federal program. This position focuses on assisting cross-functional teams by applying fundamental coding and problem-solving skills, and participating in efforts that further the organization’s technical mission objectives. In this position you will:

Implement defined features and functionality across enterprise software applications under direct mentorship and guidance.

Collaborate with senior developers and other team members to troubleshoot issues and refine application performance.

Participate in the code peer review process to ensure best practices and coding standards are maintained in all packages as they are promoted through each environment.

Participate in basic software design discussions and contribute ideas for continuous improvement.

Write, test, and maintain code for new or existing systems, ensuring adherence to project requirements and best practices.

Assist in building and maintaining CI/CD development pipelines to streamline software delivery processes.

Support security initiatives by applying secure coding standards using DevSecOps principles and performing routine code reviews under supervision.

Contribute to knowledge sharing and documentation, including user guides and technical references.

Carry out operational tasks to enhance efficiency and maintain stability, such as logging, monitoring, and alerting.

Aid in integrating third-party solutions, APIs, or microservices within existing platforms.

Participate in automated unit and integration testing activities to ensure quality and reliability of deliverables.

Basic Qualifications:

As a requirement of this position, all candidates must be a U.S. Citizen. In accordance with 8 U.S.C. 1324b(a)(2)(C) , Epsilon will not consider candidates for this position who do not meet the aforementioned conditions.

1 year of software development experience in a professional or similar setting, or similar relevant experience

DOD 8570 IAT Level II Certification may be required (GSEC, GICSP, CND, CySA+, Security+ CE, SSCP or CCNA-Security).

Familiarity with one or more programming languages (e.g., Python, Java, C#) and associated frameworks.

Basic understanding of version control tools (e.g., Git) and branching strategies.

Exposure to relational databases (e.g., MySQL, PostgreSQL) and basic SQL queries.

Foundational knowledge of Agile or Scrum methodologies for collaborative development.

Ability to write simple automated tests and follow testing frameworks.

Willingness to learn and adapt to emerging technologies and tools.

Demonstrated problem-solving skills with the ability to troubleshoot and debug code.

Awareness of security best practices and compliance requirements.

One or more of the following certifications are desired: AWS Certified Developer, Databricks, Agile/Scrum, Python Programmer

Other:

Must hold an Active DOD Secret, Top Secret or TS/SCI Clearance

Must be located within a two (2) hour commute of the physical work location

Physical Demands and Working Conditions:

Listed below are the physical or mental requirements necessary for the job's performance. Reasonable accommodation may be made to enable individuals with disabilities to perform essential job functions:

Prolonged periods of computer desk work.

Dexterity of hands and fingers to operate a computer keyboard and other computer components.

Speaking and hearing are sufficient to converse and understand conversations, both in-person, telephone, and virtual meetings.

The cognitive skills needed to complete tasks, including abilities such as learning, remembering, focusing, categorizing, and integrating information for decision-making, problem-solving, and comprehending.

Ability to learn new tasks, remember processes, maintain focus, complete tasks independently, make timely decisions in the context of a workflow, and the ability to communicate with managers and co-workers.

Mental aptitude to respond appropriately in high-pressure situations or deadline-driven environments.

Maintain a professional emotional response when working with others.

Connect directly with your dedicated recruiter on Epsilon’s careers page.

www.epsilon-inc.com/careers

Epsilon is committed to creating a diverse environment and is proud to be an equal opportunity employer. All qualified applications will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. EEO/AA: Disabled/Vets.

Please click here to review your rights under EEO policy.

If you are an individual with a disability and need special assistance or reasonable accommodation in applying for employment with Epsilon, Inc., please contact our Recruiting department by phone 828-398-5414 or by email [email protected] .

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