Senior .NET Full-Stack Developer — Hybrid/Remote & Growth

CapTech Consulting; Reston (VA); On-site; USD 90,000 - 190,000; Full time

Benefits offered by this job

CapFlex – remote/hybrid workforce

Learning & Development – certification

Modern Health

Carrot Fertility

Fringe – lifestyle stipend

Employee Resource Groups

401(k) Matching

Job summary

CapTech is seeking a Senior Full-Stack Developer (.NET based) to design, develop, and deliver high-quality enterprise systems. You will work in a collaborative, project-based consulting environment, building API-driven clients and microservice architectures while staying current with the latest tools and architectures.

The role emphasizes strong communication with technical and non-technical stakeholders, mentorship, and continuous learning through CapTech’s development programs.

Qualifications

• 4+ years of experience in .NET Framework 4.7 to .NET Core 3.1 development.
• Experience with ASP.NET MVC, C#, and Entity Framework.
• RESTful API development using Web API and Swagger.
• Experience with Visual Studio or Visual Studio Code.
• Experience with Git and collaborative development workflows.
• Strong problem-solving and maintainable, well-documented code.

Responsibilities

• Collaborate with team members and clients to deliver a technical solution that meet the unique needs of our clients
• Create quality deliverables to communicate technical solutions to appropriate audiences
• Leverage CapTech’s internal programs and self-directed training to continually develop industry relevant knowledge and skills
• Understand and implement object-oriented design patterns
• Communicate effectively to team members with varying degrees of technical knowledge
• Provide technical mentoring

Tools

ASP.NET MVC

C#

Entity Framework

Web API

Swagger

Visual Studio/VS Code

Git

AI toolset (Claude, CodeX, Opencode, OpenClaude)

AI orchestration

Job description

CapTech is seeking a Senior Full-Stack Developer (.NET based) to design, develop, and deliver high-quality enterprise systems. You will work in a collaborative, project-based consulting environment, building API-driven clients and microservice architectures while staying current with the latest tools and architectures.

The role emphasizes strong communication with technical and non-technical stakeholders, mentorship, and continuous learning through CapTech’s development programs.