Full Stack Developer

QinetiQ US-posted 3 months ago

Washington, DC

5,001-10,000 employees

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We are seeking an experienced Full Stack Developer to serve as the primary developer and maintainer of our existing web application. This role requires a self-directed professional who can own the complete software development lifecycle while working closely with business stakeholders and end users. The ideal candidate will have strong experience with .NET Core, React applications, and enterprise security implementations.

Serve as primary developer and maintainer for existing web application built with ASP.NET Core backend and React frontend with Material UI
Own end-to-end software lifecycle including design updates, development, testing, deployment, and production support
Perform bug fixes, troubleshooting, and performance tuning to ensure optimal system stability and availability
Refactor and modernize legacy code to improve maintainability and performance when feasible
Manage and maintain deployments on Windows Server using IIS
Apply security patches, library upgrades, and system updates in a timely manner
Monitor system health and proactively address potential issues
Implement and maintain Windows Authentication using Claims/Negotiate protocol
Collaborate with Business Analyst and user base to review feature requests, triage bugs, and establish development priorities
Function as co-product owner alongside Business Analyst to evaluate incoming requests and establish realistic timelines
Interact directly with end users to clarify requirements, troubleshoot issues, and deliver effective solutions
Participate in Agile/Scrum ceremonies and workflows
Write and maintain comprehensive technical documentation
Provide clear communication on project status, technical challenges, and solutions

Bachelor's Degree in an IT-related discipline
Strong experience with .NET 8.0, ASP.NET Core, and Entity Framework Core
Proficiency in React, TypeScript, and Material UI framework for front-end development
Experience with modern front-end tooling including Vite, React Query, and Node.js (LTS)
Solid understanding of Windows Authentication (Claims/Negotiate protocol) and security best practices
Proficiency with Visual Studio 2022 (Community or Professional edition) — VS Code will not suffice for Windows Authentication scenarios
Experience with SQL Server Developer Edition and database management tools (SSMS or Azure Data Studio)
Understanding of web application architecture and best practices
Knowledge of version control systems (Git)
Experience with database management and optimization
Proven ability to work independently with minimal oversight
Strong problem-solving and analytical thinking skills
Excellent communication skills for technical and non-technical audiences
Experience in Agile/Scrum development environments
Ability to prioritize and manage multiple tasks effectively
4-7 years of full stack web development experience
Experience maintaining and enhancing legacy applications
Background working directly with business stakeholders and end users
Demonstrated experience in production environment management

Experience with additional AWS services
Knowledge of CI/CD pipelines
Familiarity with monitoring and logging tools
Experience with database migrations and schema management
Background in security best practices for web applications
Experience with enterprise authentication systems

Opportunity to take ownership of a critical business application
Direct collaboration with business stakeholders and end users
Flexible, self-directed work environment
Professional development opportunities in modern web technologies

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