Junior Full-Stack Developer

Pioneering Evolution LLC.; Arlington (VA); On-site; USD 65,000 - 90,000; Full time

Benefits offered by this job

Paid time off

10 paid holidays

Medical insurance

Vision insurance

Legal assistance

Company-paid life insurance and AD&D

Long-term and short-term disability

Job summary

Pioneering Evolution LLC. is seeking a Junior Full-Stack Developer to support secure, mission-critical software for a federal customer in Arlington, VA.

You will work with experienced engineers in an Agile environment to build modern web apps, contributing to both backend and frontend development while learning and growing technically. Responsibilities include developing features with .NET Core, RESTful APIs, and responsive UIs, writing clean code, and participating in Agile ceremonies.

Qualifications

• Bachelor's degree in a technical field.
• 0–3 years of professional software development experience.
• Familiar with Angular, React, or Vue.js.
• Basic understanding of C# and OOP.
• Experience with RESTful APIs and Git.
• Willing to work full-time onsite in the Washington, D.C. metro area and US citizenship with active Secret Clearance.

Responsibilities

• Develop and maintain features using .NET Core and modern front-end frameworks under guidance.
• Assist with RESTful API development and integration.
• Build responsive UIs that integrate with backend services.
• Write clean, maintainable code following standards.
• Develop unit tests and support integration testing.
• Collaborate across software engineers, QA, DevSecOps, UI/UX, and others.

Skills

Front-end frameworks

C#

REST APIs

Git

Agile

Teamwork

Problem solving

Education

Bachelor's degree in Computer Science / Software Engineering / Information Systems

Tools

SQL Databases

Git

Azure / AWS (desirable)

Job description

Junior Full-Stack Developer

Arlington, VA, US

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, DevSecOps 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.
• 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

• Familiarity with cloud platforms such as Microsoft Azure or AWS.
• Exposure to containerization technologies such as Docker or Kubernetes.
• Basic understanding of DevSecOps 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
• Vision insurance
• Legal assistance
• Company-paid life insurance and AD&D
• Company-paid long-term and short-term disability insurance