Demo

Senior .NET Full Stack Developer

E-Infosol LLC
Chantilly, VA Full Time
POSTED ON 4/4/2026
AVAILABLE BEFORE 6/2/2026

PID: 26-14-02-000-IIAU

 

Summary

E-INFOSOL LLC is seeking a highly motivated Senior .NET Full Stack Developer to be a full-time employee in Chantilly, VA to join our innovative and customer solutions focused team.


Job Description

The Senior .NET Full Stack Developer will be responsible for the design, development, testing, and management of application development projects in support of IT infrastructure. This includes programmatic integration of third-party components, introduction of new custom capabilities, modification of existing code, process improvement recommendations, and automation of operations and maintenance tasks. The Senior .NET Full Stack Developer develops and implements technical efforts to design, build, and deploy applications under the direction of lead architects, including large-scale data processing, computationally intensive statistical modeling, and advanced analytics. This role participates in all aspects of the software development life cycle for all solutions, including planning, requirements, development, testing, and quality assurance.

  • Design, develop, test, and manage application development projects in support of IT infrastructure.
  • Integrate third-party components programmatically and introduce new custom capabilities.
  • Modify existing code to enhance functionality and performance.
  • Recommend process improvements and automate operations and maintenance tasks.
  • Develop and implement technical efforts to design, build, and deploy applications under the direction of lead architects.
  • Work on large-scale data processing, computationally intensive statistical modeling, and advanced analytics.
  • Participate in all aspects of the software development life cycle, including planning, requirements, development, testing, and quality assurance.
  • Conduct technical project milestone reviews, code architecture sessions, resource estimation, and development best practices knowledge transfer.


Required Qualifications

  • Active Top-Secret clearance with capability to obtain SCI/CI Poly if needed to meet contract requirements. 
  • Bachelor’s Degree in Computer Science or a related field of study 
  • Minimum 8 years of experience in a similar position with a large organization 
  • Proven experience in software development and application management.
  • Strong knowledge of application design, development, testing, and management.
  • Experience with programmatic integration of third-party components.
  • Proficiency in modifying existing code and introducing new custom capabilities.
  • Ability to recommend and implement process improvements and automation.
  • Experience with large-scale data processing, statistical modeling, and advanced analytics.
  • Strong understanding of the software development life cycle, including planning, requirements, development, testing, and quality assurance.
  • Excellent problem-solving and analytical skills.
  • Strong communication and interpersonal skills.


Required Skills

  • Very strong C#
  • ASP.NET MVC (web development)
  • Object Oriented skills
  • WCF or Web API
  • Heavy SQL experience w/ Stored Procedures, Functions and PLSQL or Transactions 
  • Linq
  • JavaScript, JQuery, HTML
  • Nice To Have
  • Git Repository/GitLab
  • ASP.NET Core (Web)
  • Postgres
  • Internet Information Services (IIS)
  • CSS/Bootstrap
  • Telerik/other UI Framework
  • IIS
  • Docker
  • CI/CD
  • AWS


Desired Skills

  • Experience working under the direction of lead architects.
  • Familiarity with technical project milestone reviews and code architecture sessions.
  • Knowledge of resource estimation and development best practices.
  • Ability to transfer knowledge and mentor team members. 


About E-INFOSOL

E-INFOSOL is a Service Disabled and Veteran Owned Small Business (SDVOSB) located in the Washington, D.C. metropolitan area. We specialize in building modern and tailored solutions to support our customers’ mission. As a mission-first organization, we deliver Subject Matter Expertise (SME) in cloud computing, virtualization, cyber security, software development and data services. We support the Intelligence Community, Department of Defense, Federal Law Enforcement, Civilian Agencies and the Private Sector.

Through strategic partnerships with top industry players such as Amazon Web Services (AWS), VMware, Microsoft and Nutanix, E-INFOSOL provide an array of IT products and solutions. Combined with our industry expertise, we deliver in-depth knowledge on Government requirements and fully understand NIST and DoD security requirements. Our expertise in the latest technologies combined with our understanding of infrastructure needs and security requirements provides the best combination for achieving innovative and secure environments for Government Agencies and Private Sector.

Career Growth

“Putting People First, Achieving our Mission Together”. E-INFOSOL is a people-first organization focusing on a positive employee culture that inspires creativity and innovation in support of our customers. With opportunities such as reimbursement and bonuses based on completion of certifications, we invest in our employees’ career growth.

Benefits

  • Medical – 100% company paid premiums for employees with dependent options.
  • Dental and Vision
  • Retirement Savings (401k) up to 4% match
  • Health Savings Account (HSA), FSA and DCFSA
  • Company-paid Short/Long-term disability (w/ additional supplemental options)
  • Company-paid Life and AD&D (w/ additional supplemental options)
  • Generous Paid Time Off and ALL 11 Federal Holidays
  • Legal and Identity Protection Services
  • Bonuses for certifications and reimbursement
  • Employee Perks:
  • UberOne, Company Outings (Sporting events, Happy Hours, etc.), Discounts on services including Pet Insurance

Company Awards

  • SBA 8(a) Certified
  • SDVOSB
  • GSA Contract Holder
  • Inc. 5000

Equal Employment Opportunity Policy

E-INFOSOL LLC provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws.

This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training.

Website: E-INFOSOL.com



Salary : $138,000 - $141,000

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