Demo

.Net Full Stack Developer Senior

E-Infosol LLC
Washington, DC Full Time
POSTED ON 12/5/2025
AVAILABLE BEFORE 2/4/2026

PID: 25-14-09P-010

E-INFOSOL LLC is seeking a highly motivated .Net Full Stack Developer to join our innovative, customer-focused team in Washington, DC.


Job Type: On site


Summary:

We are looking for .Net Full Stack Developer to: 

  • Be responsible for designing, coding, testing, and deploying high-quality software solutions using the .NET framework and associated technologies. 
  • Utilize their expertise in both front-end and back-end development will be essential in creating seamless and efficient user experiences.
  • Collaborate closely with cross-functional teams, including designers, product managers, and other developers, to deliver robust and scalable applications. 


Responsibilities:

  • Engage in the full software development lifecycle, from concept and design to testing and deployment. 
  • Write clean, maintainable, and efficient code, and to adhere to best practices and coding standards. 
  • Participate in code reviews, provide constructive feedback, and contribute to the continuous improvement of our development processes. 
  • Develop and maintain web applications using the .NET framework and related technologies. 
  • Design and implement both front-end and back-end components of the application. 
  • Ensure the performance, quality, and responsiveness of applications. 
  • Collaborate with cross-functional teams to define, design, and ship new features. 
  • Write clean, scalable, and maintainable code following best practices. 
  • Conduct thorough testing of applications, including unit, integration, and system testing.
  • Troubleshoot and resolve technical issues and bugs. 
  • Participate in code reviews and provide feedback to peers.

 

Required Qualifications:

  • Bachelor's degree in IT or related field, or equivalent experience. 
  • Minimum 8 years of experience 
  • Ability to troubleshoot and resolve complex technical issues will be crucial in ensuring the reliability and performance of our applications.
  • Experience with ASP.NET framework (version 4,7), SQL Server and design/ architectural patterns (e.g. Model-View-Controller (MVC)) 
  • Experience with .NET languages (e.g. C#, Visual Basic .NET)
  • Familiarity or experience with architecture styles/APIs (REST, RPC) 
  • Experience with front-end frameworks such as Javascript, JQuery. Highly desired experience with Telerik Kendo UI Framework, familiarity with BootStrap.
  • Familiarity with cloud platforms like AWS and S3 buckets
  • Knowledge of database design and development, including Microsoft SQL Server (CRUD, stored procedures, query optimization)
  • Experience with Git (Gitlab nice but not necessary)
  • Familiarity with SSIS (SQL Server Integration Services) package development
  • Familiarity with Selenium UI testing framework
  • Understanding of DevOps practices and tools 
  • Relevant certifications in .NET development or cloud technologies. 
  • Experience working in an Agile/Scrum development environment. 
  • Strong problem-solving skills and attention to detail. 
  • Excellent communication and collaboration skills.


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.

 

Full Time Benefits

  • Medical – 100% company paid 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 : $200,000 - $220,000

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