Full Stack Developer

Horizontal Talent; Washington (District of Columbia); On-site; USD 55,000 - 106,000; Full time

Job summary

Horizontal is seeking a senior full stack developer in Washington, DC to design, build, and maintain modern web applications supporting financial operations. The role spans from database design to responsive front-ends using a current Microsoft and Angular stack in an onsite Agile environment.

You will develop APIs with ASP.NET Core Web API, work with SQL Server, and leverage Docker/Kubernetes in a microservices-friendly setup.

Qualifications

• 7+ years of experience developing web applications with C# and .NET.
• Hands-on experience with .NET 8 and ASP.NET Core Web API.
• Strong knowledge of Entity Framework Core.
• Experience working with SQL Server and relational database design.
• Proficiency with Angular 16 or newer.
• Experience using Git or other Git-based version control systems.

Responsibilities

• Design, build, and maintain web applications across the full development lifecycle.
• Develop scalable APIs and service integrations using ASP.NET Core Web API.
• Create and optimize database objects, including schemas, stored procedures, and SQL queries.
• Build responsive and user-friendly interfaces with Angular.
• Work closely with cross-functional partners, including developers, QA, and business analysts.
• Write clean, maintainable, and well-tested code that supports long-term stability.
• Participate in code reviews, testing, troubleshooting, and deployment activities.
• Contribute to CI/CD workflows and version control processes using Git-based tools.
• Support Agile delivery by collaborating on requirements, priorities, and technical solutions.

Skills

C# / .NET

ASP.NET Core Web API

Entity Framework Core

SQL Server

Angular 16+

Git

Analytical thinking

Agile

Multitasking

Tools

Docker

Kubernetes

Job description

Join a dynamic full stack development team building modern web applications that support important financial operations in a fast-paced Agile environment. This onsite role in Washington, DC offers the chance to work across the full stack—from database design and APIs to responsive front-end experiences—using a current Microsoft and Angular technology stack.

Responsibilities

• Design, build, and maintain web applications across the full development lifecycle
• Develop scalable APIs and service integrations using ASP.NET Core Web API
• Create and optimize database objects, including schemas, stored procedures, and SQL queries
• Build responsive and user-friendly interfaces with Angular
• Work closely with cross-functional partners, including developers, QA, and business analysts
• Write clean, maintainable, and well-tested code that supports long-term stability
• Participate in code reviews, testing, troubleshooting, and deployment activities
• Contribute to CI/CD workflows and version control processes using Git-based tools
• Support Agile delivery by collaborating on requirements, priorities, and technical solutions

Skills

• 7+ years of experience developing web applications with C# and .NET
• Hands-on experience with .NET 8 and ASP.NET Core Web API
• Strong knowledge of Entity Framework Core
• Experience working with SQL Server and relational database design
• Proficiency with Angular 16 or newer
• Experience using Git or other Git-based version control systems
• Strong analytical thinking and problem-solving abilities
• Ability to manage multiple priorities and work independently
• Comfort working in an Agile development team

Preferred Skills

• Exposure to microservices architecture
• Experience with Docker, Kubernetes, or other containerization tools
• Cloud implementation experience
• Background using unit testing frameworks

This opportunity is offered by Horizontal, where inclusion, equity, and belonging are valued and supported. We welcome candidates from all backgrounds and are committed to fostering a respectful and accessible hiring experience for everyone.

For those that join the team, we offer competitive compensation and benefits including medical, dental, vision, and retirement.

The pay range for this role is $40 - $77 per hour based on qualifications and experience.