Senior .NET Full Stack Developer

E-INFOSOL LLC

Senior .NET Full Stack Developer designing, developing, and managing IT infrastructure projects. Responsible for third-party integration and ensuring software development life cycle compliance in a dynamic environment.

Posted 6/4/2026full-timeWashington • District of Columbia, Washington • 🇺🇸 United StatesSenior💰 $138,000 - $141,000 per yearWebsite

Tech Stack

Tools & technologies

.NETSDLC

About the role

Key responsibilities & impact

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.
Develop and implement 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.
Participate in all aspects of the software development life cycle for all solutions, including planning, requirements, development, testing, and quality assurance.
Conduct technical project milestone reviews, code architecture sessions, resource estimation, and development best practices knowledge transfer.

Requirements

What you’ll need

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.

Benefits

Comp & perks

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

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

.NETapplication developmentprogrammatic integrationcode modificationprocess improvementautomationlarge-scale data processingstatistical modelingadvanced analyticssoftware development life cycle

Soft Skills

problem-solvinganalytical skillscommunication skillsinterpersonal skills

Certifications

Top-Secret clearanceBachelor’s Degree in Computer Science