Demo

Mid-Level Full-Stack Developer

Pioneering Evolution, LLC
Arlington, VA Full Time
POSTED ON 12/14/2025 CLOSED ON 1/8/2026

What are the responsibilities and job description for the Mid-Level Full-Stack Developer position at Pioneering Evolution, LLC?

Position Description

Pioneering Evolution is seeking a motivated Mid-Level Full-Stack Developer to support the development of secure and modular backend services for a mission-focused federal software platform. This role provides an excellent opportunity for growth in a collaborative and fast-paced environment, working alongside senior engineers and multidisciplinary teams. The ideal candidate will build and maintain services that meet compliance, audit, and performance requirements while contributing to the evolution of backend development practices. Other key responsibilities include:

  • Develop secure, scalable backend components using .NET Core, aligned with performance and compliance goals.
  • Write unit and integration tests to ensure code maintainability and system reliability.
  • Collaborate with frontend, QA, and data engineering teams to deliver fully integrated software features.
  • Actively participate in Agile ceremonies and technical planning discussions to support sprint objectives.
  • Document backend logic, service interactions, and data flows to promote traceability and team knowledge.
  • Engage in the continuous improvement of engineering practices, with a focus on maintainability and quality.

Required Experience

  • Bachelor’s degree in Computer Science, Engineering, or a related technical field.
  • Minimum of 3 years of full-stack development experience using .NET Core and any modern front-end frameworks.
  • Strong understanding of RESTful API design and secure coding standards.
  • Familiarity with relational database systems such as PostgreSQL.
  • Excellent communication and collaboration skills in a cross-functional team environment.
  • Must be available to work full-time and on-site in the Washington D.C. metro area.
  • U.S. Citizenship and active Secret Clearance are required.

Desired Experience

  • Experience developing solutions for secure, compliance-driven environments.
  • Exposure to cloud-based application deployments and containerization technologies (e.g., Docker, Kubernetes).
  • Interest in learning and applying DevSecOps principles and secure integration methodologies.

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 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

Salary.com Estimation for Mid-Level Full-Stack Developer in Arlington, VA
$111,904 to $142,307
If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Mid-Level Full-Stack Developer?

Sign up to receive alerts about other jobs on the Mid-Level Full-Stack Developer career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$88,558 - $106,947
Income Estimation: 
$104,867 - $137,036
Income Estimation: 
$144,503 - $184,592
Income Estimation: 
$150,756 - $194,140
Income Estimation: 
$172,191 - $221,861
Income Estimation: 
$114,549 - $164,025
Income Estimation: 
$153,752 - $200,235
Income Estimation: 
$101,441 - $130,752
Income Estimation: 
$111,369 - $141,168
Income Estimation: 
$117,871 - $153,580
Income Estimation: 
$109,939 - $144,341
Income Estimation: 
$114,500 - $144,633
Income Estimation: 
$120,936 - $155,014
Income Estimation: 
$131,745 - $167,716
Income Estimation: 
$144,503 - $184,592
Income Estimation: 
$102,541 - $137,871
Income Estimation: 
$153,752 - $200,235
Income Estimation: 
$73,727 - $94,067
Income Estimation: 
$88,984 - $115,784
Income Estimation: 
$92,017 - $124,111
Income Estimation: 
$90,707 - $120,959
Income Estimation: 
$91,486 - $118,193
This job has expired.
Employees: Get a Salary Increase
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at Pioneering Evolution, LLC

  • Pioneering Evolution, LLC Arlington, VA
  • POSITION DESCRIPTION Pioneering Evolution is seeking a Senior Acquisition Analyst (Subject Matter Expert) with deep experience in Military Medical Research... more
  • 12 Days Ago

  • Pioneering Evolution, LLC Arlington, VA
  • POSITION DESCRIPTION: Pioneering Evolution is seeking a QA Automation Engineer to support a software team by ensuring quality, reliability, and release rea... more
  • 16 Days Ago

  • Pioneering Evolution, LLC Arlington, VA
  • POSITION DESCRIPTION: The Lead Cloud Platform / DevSecOps Engineer is a senior technical leader responsible for designing, implementing, securing, and main... more
  • 16 Days Ago

  • Pioneering Evolution, LLC Arlington, VA
  • POSITION DESCRIPTION: The Business Analyst (BA) is a key member of the Agile Scrum team, serving as the connection point between business stakeholders, the... more
  • 11 Days Ago


Not the job you're looking for? Here are some other Mid-Level Full-Stack Developer jobs in the Arlington, VA area that may be a better fit.

  • Jobs via Dice Washington, DC
  • Knowledge Management, Inc. (KMI) has the leadership and experience to deliver innovative technology, logistics and management solutions to meet real missio... more
  • 9 Days Ago

  • Booz Allen Hamilton and Careers Mc Lean, VA
  • Full-Stack Developer, Mid The Opportunity: Are you looking for an opportunity to not just develop software, but to help build innovative solutions that wil... more
  • 2 Months Ago

AI Assistant is available now!

Feel free to start your new journey!