Sr Full Stack Developer – Node.js / React

Alpha Omega • Arlington, VA

1d • $85,914 - $170,000 • Remote

About The Position

Alpha Omega is seeking a Sr Full Stack Developer (Node, React) to join one of
our Prime Federal Contracts Remotely in Arlington, VA. The FDIC is building a
modern Outlook add-in that integrates with SharePoint Online and Microsoft Entra
ID to streamline document management and records organization. You will design
and develop the full-stack React-based task pane application, build secure
service layers that integrate with Microsoft Graph and SharePoint REST APIs, and
manage the complete deployment pipeline from development through production.

The Developer will own the end-to-end development lifecycle - from requirements
gathering through production support - translating requirements into robust,
well-tested code. You will collaborate closely with FDIC stakeholders to ensure
the solution meets enterprise records management standards, work independently
to solve complex integration challenges, and communicate technical decisions
clearly to both technical teams and end users.

Requirements

• Federal Client requires US citizenship.
• 10+ years of overall experience required for this Senior level position.
• 3+ years of professional software development experience with JavaScript and TypeScript.
• 3+ years of production React or modern component-based UI framework development.
• 3+ years of Node.js backend development, including experience building APIs and service layers.
• 3+ years of experience with Microsoft cloud services (Microsoft Graph, SharePoint REST APIs, and/or Azure).
• 3+ years of experience designing and implementing RESTful APIs with proper authentication and authorization patterns.
• 3+ years of hands-on experience with CI/CD pipelines, source control (Git), and code review processes.
• Experience integrating with Office JavaScript APIs and building applications that extend Microsoft 365 services.
• Strong verbal and written communication skills with the ability to explain technical concepts to both technical and non-technical stakeholders.
• Demonstrated ability to produce clear technical documentation and design specifications.

Nice To Haves

• PL-100, PL-200, or Copilot-related certifications

Responsibilities

• Design, build, and maintain a full stack React and Node.js application that integrates Outlook with SharePoint for enterprise document management and workflow automation.
• Develop the React-based user interface (task pane) with modern component architecture, state management, and Office JavaScript integration for seamless Outlook interoperability.
• Build secure, scalable Node.js service layers and APIs to mediate data flow between Outlook, SharePoint, Microsoft Graph, and Entra ID authentication.
• Integrate external services and data sources through Microsoft Graph, ServiceNow, and SharePoint REST APIs.
• Manage Azure Entra ID app registrations, permissions, and security lifecycle processes.
• Implement CI/CD pipelines, automated testing, and infrastructure-as-code for reliable and repeatable deployments.
• Test all developed components independently, documenting tests and results.

Benefits

• 15 days PTO including paid parental, military, and bereavement leave
• Eleven (11) paid Federal holidays, five of which are floating holidays (as designated by the company’s holiday schedule each year)
• Health and Dental Insurance (including 100% employer paid premiums for employee coverage under the HDHP health plan)
• Life Insurance, STD/LTD term disability coverage, with employer paid premiums
• 401 (k) plan with a match that is 100% vested after you complete two years of service
• FSA/DFSA/HSA flexible benefit plans
• Annual Tuition & Professional Development Reimbursement benefit

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Number of Employees: 251-500 employees