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Junior ‑Stack Dev; Internship – Arlington Onsite

Job in Arlington, Arlington County, Virginia, 22201, USA
Listing for: TryApplyNow
Full Time, Apprenticeship/Internship position
Listed on 2026-07-14
Job specializations:
  • Software Development
    Full Stack Developer, Software Engineer, Backend Developer
Salary/Wage Range or Industry Benchmark: 85000 - 134000 USD Yearly USD 85000.00 134000.00 YEAR
Job Description & How to Apply Below
Position: Junior Full‑Stack Dev (Internship) – Arlington Onsite
# Junior Full-Stack Developer Pioneering Evolution, LLCBe an Early Applicant Internship junior Arlington , Virginia, USPosted Today##

Role Overview Pioneering Evolution, LLC is hiring a Junior Full-Stack Developer. This is a internship role in Arlington. Part of Pioneering Evolution, LLC's Lifecycle hiring, posted today. applications are still in the early window, before most candidates have applied. Full responsibilities, required qualifications, and the apply link are listed in the description below.## Salary Context Salary is not disclosed in this posting.

Market median for Junior-level Lifecycle roles is $85k-$134k (based on 33 comparable listings). Many employers share specifics during the interview process or after an initial screen.## Resume Keywords to Include Make sure these keywords appear in your resume to improve ATS scoringSQLReact Vue Angular AWSAzure Docker Kubernetes Sign  up free to auto-tailor your resume with all these keywords and get a higher ATS score## Job description POSITION DESCRIPTION Pioneering Evolution is seeking a Junior Full-Stack Developer to support the development and maintenance of secure, mission-critical software solutions for a federal customer.

This is an excellent opportunity for an early-career software developer to work alongside experienced engineers in a collaborative Agile environment while building modern web applications. The ideal candidate will be eager to learn, contribute to both backend and frontend development efforts, and grow their technical skills while supporting high-quality software delivery.### Responsibilities
* Develop and maintain software features using .NET Core and modern front-end frameworks under the guidance of senior developers.
* Assist with the development and integration of RESTful APIs.
* Build and maintain responsive user interfaces that integrate with backend services.
* Write clean, maintainable, and well-documented code following established coding standards and best practices.
* Develop unit tests and assist with integration testing to ensure software quality and reliability.
* Collaborate with software engineers, QA personnel, Dev Sec Ops  engineers, UI/UX designers, and other team members throughout the software development lifecycle.
* Participate in Agile ceremonies including sprint planning, daily stand-ups, backlog refinement, and retrospectives.
* Troubleshoot software defects and assist with debugging and issue resolution.
* Document application functionality, technical designs, and implementation details.
* Support software deployments, application maintenance, and continuous improvement initiatives.
* Learn and apply secure software development practices appropriate for federal software environments.

REQUIRED EXPERIENCE:

* Bachelor's degree in Computer Science, Software Engineering, Information Systems, or a related technical discipline.
* 0-3 years of professional software development experience, or equivalent internship/co-op experience.
* Experience developing applications using .NET Core / ASP.NET Core.
* Familiarity with one or more modern front-end frameworks such as Angular, React, or Vue.js.
* Basic understanding of C#, object-oriented programming principles, and software development best practices.
* Familiarity with RESTful APIs.
* Basic knowledge of relational databases such as PostgreSQL, SQL Server, or similar database platforms.
* Familiarity with Git version control.
* Strong problem-solving, communication, and teamwork skills.
* Eagerness to learn new technologies and work in a collaborative Agile environment.
* Must be available to work full-time onsite in the Washington, D.C. metro area.
* U.S. Citizenship and an active Secret Clearance are required.

DESIRED

EXPERIENCE:

* Internship or academic project experience developing web applications.
* Familiarity with cloud platforms such as Microsoft Azure or AWS.
* Exposure to containerization technologies such as Docker or Kubernetes.
* Basic understanding of Dev Sec Ops  concepts and CI/CD pipelines.
* Interest in secure software development and modern software engineering practices.
* Experience working on team-based software development projects.

WHO WE ARE AND

WHAT WE OFFER:

In addition to competitive salaries and opportunities for professional development and advancement, our employees enjoy a comprehensive range of benefits. To keep pace with the changing needs of our employees, we continually evaluate our benefit plans.
* Paid time off
* 10 paid holidays
* Medical insurance
* Dental insurance
* Vision insurance
* Legal assistance
* Company-paid life insurance and AD&D
* Company-paid long-term and short-term disability insurance
* Tuition reimbursement
* 401(k) plan with company contribution
* Continuing Education Opportunities
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Position Requirements
Less than 1 Year work experience
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