Full Stack Developer - 17268

Seneca Resources Company, LLC; Merrifield (VA); Hybrid; USD 96,000 - 103,000; Full time

Job summary

Seneca Resources is seeking a senior Full Stack Developer to design, develop, modernize, and support enterprise applications across the Microsoft stack and modern frontend frameworks. You will work on cloud platforms, databases, and API integrations while engaging in the full SDLC and production support.

Hybrid work in Vienna, VA with a contract engagement is offered. Responsibilities include building scalable applications, modernizing legacy systems, and collaborating with business stakeholders

Qualifications

• 10+ years of Full Stack Development experience.
• Strong expertise in C#, .NET, React, JavaScript.
• Experience with Azure Cloud and MuleSoft integrations.

Responsibilities

• Design, develop, test, and deploy enterprise full-stack applications.
• Build scalable web apps using C#, .NET, React, SQL Server, MongoDB, Azure, and MuleSoft.
• Modernize legacy applications into modern architectures.
• Translate business requirements into technical solutions.
• Develop APIs and integrations with enterprise systems.
• Support application deployments across development, testing, and production environments.
• Participate in UAT, release management, and production support.
• Perform root cause analysis and troubleshoot production issues.
• Create technical documentation throughout the SDLC.
• Collaborate with business users, architects, QA, and project teams.

Skills

C#

.NET Framework / .NET Core

ASP.NET

REST APIs

Microservices

React.js

JavaScript

TypeScript

HTML5

CSS3

SQL Server

MongoDB

Azure Cloud

Azure DevOps

MuleSoft

Git

CI/CD

Visual Studio

Azure DevOps Pipelines

End-to-end Full Stack Development

Production Support

Education

Bachelor's degree in Computer Science, Information Technology, or related field

Master's degree

Tools

Visual Studio

Git

CI/CD

Azure DevOps Pipelines

Job description

Full Stack Developer

Location: Vienna, VA (Hybrid - 3 days onsite/week)
Duration: Contract
Pay: $70–75/hr (Vienna, VA) | $64–70/hr (Pensacola, FL)

Position Summary

Seeking a senior Full Stack Developer with extensive experience designing, developing, modernizing, and supporting enterprise applications. The ideal candidate will have expertise across the Microsoft technology stack, modern frontend frameworks, cloud platforms, databases, and API integrations while working throughout the SDLC. This role involves modernizing legacy applications, developing custom solutions, collaborating with business stakeholders, and supporting production environments.

Required Technical Skills

Backend

• C#
• .NET Framework / .NET Core
• ASP.NET
• REST APIs
• Microservices

Frontend

• React.js
• JavaScript
• TypeScript (preferred)
• HTML5
• CSS3

Database

• SQL Server
• SQL
• MongoDB

Cloud & Integration

• Microsoft Azure
• Azure Cloud Services
• Azure DevOps
• MuleSoft
• REST APIs

Development Tools

• Git
• CI/CD
• Visual Studio
• Azure DevOps Pipelines

Core Experience

• End-to-end Full Stack Development
• Enterprise Application Development
• Legacy Application Modernization
• SDLC
• Production Support
• UAT
• Application Deployment
• System Integration
• Performance Optimization
• Root Cause Analysis
• Business Requirements Analysis
• Technical Documentation
• Agile/Scrum

Responsibilities

• Design, develop, test, and deploy enterprise full-stack applications.
• Build scalable web applications using C#, .NET, React, JavaScript, SQL Server, MongoDB, Azure, and MuleSoft.
• Modernize legacy applications into modern architectures.
• Translate business requirements into technical solutions.
• Develop APIs and integrations with enterprise systems.
• Support application deployments across development, testing, and production environments.
• Participate in UAT, release management, and production support.
• Perform root cause analysis and troubleshoot production issues.
• Create technical documentation throughout the SDLC.
• Collaborate with business users, architects, QA, and project teams.

Required Qualifications

• 10+ years of Full Stack Development experience.
• Strong expertise in C#, .NET, React, JavaScript.
• Experience with SQL Server and MongoDB.
• Azure Cloud development experience.
• Experience integrating applications using MuleSoft or REST APIs.
• Experience modernizing legacy applications.
• Strong SDLC knowledge.
• Experience supporting enterprise production applications.
• Excellent analytical, communication, and problem-solving skills.
• Bachelor's degree in Computer Science, Information Technology, or related field.

Preferred Qualifications

• Experience with Navy Federal systems.
• Experience with Project Portfolio Management (PPM).
• Master's degree.
• Financial services experience.

About Seneca Resources

At Seneca Resources, we are more than just a staffing and consulting firm, we are a trusted career partner. With offices across the U.S. and clients ranging from Fortune 500 companies to government organizations, we provide opportunities that help professionals grow their careers while making an impact.

When you work with Seneca, you’re choosing a company that invests in your success, celebrates your achievements, and connects you to meaningful work with leading organizations nationwide. We take the time to understand your goals and match you with roles that align with your skills and career path. Our consultants and contractors enjoy competitive pay, comprehensive health, dental, and vision coverage, 401(k) retirement plans, and the support of a dedicated team who will advocate for you every step of the way.

Seneca Resources is proud to be an Equal Opportunity Employer, committed to fostering a diverse and inclusive workplace where all qualified individuals are encouraged to apply.