Senior SQL Server & .NET API Developer (Azure)

Guidehouse•Tysons, VA

About The Position

Guidehouse is seeking a Senior SQL Server & .NET API Developer to support the enhancement, maintenance, and deployment of a mission-critical federal application hosted in Microsoft Azure. This role is ideal for a developer whose primary expertise is SQL Server application development and database-centric solution architecture. The application relies heavily on SQL Server for business logic, data processing, security enforcement, and reporting. .NET Web APIs serve primarily as a secure integration layer between SQL Server, Azure-hosted services, Microsoft Power Platform solutions, and consuming applications. The successful candidate will have deep experience designing and supporting SQL-based solutions, implementing secure data access patterns, and developing API integrations within Azure-hosted environments. This position will work closely with architects, business analysts, Power Platform developers, and government stakeholders to deliver new functionality and support ongoing modernization efforts.

Requirements

U.S. Citizenship.
Must be able to obtain and maintain a Federal or DoD "public trust"; candidates must obtain approved adjudication of their public trust prior to onboarding with Guidehouse. Candidates with an active public trust or suitability are preferred
Bachelor's degree in Computer Science, Information Systems, Engineering, or a related discipline.
Five (5)+ years of experience developing enterprise applications using Microsoft technologies.
Expert-level experience with Microsoft SQL Server.
Extensive experience developing: Stored Procedures, Views, Functions, Triggers, Database Security Models
Experience implementing Row-Level Security (RLS) and data access controls.
Experience developing RESTful APIs using .NET and C#.
Experience deploying and supporting applications in Microsoft Azure.
Experience implementing Azure Active Directory authentication and Azure App Registrations.
Strong troubleshooting, debugging, and performance tuning skills.
Ability to communicate effectively with both technical and non-technical stakeholders.

Nice To Haves

Experience with Azure Function Apps.
Experience integrating with Microsoft Power Platform.
Experience developing Power Apps Canvas Applications.
Experience supporting federal government systems.
Familiarity with DOJ or GCC High environments.
Experience with CI/CD pipelines and Azure DevOps.
Experience supporting production applications through deployment and operational sustainment.
Understanding of API-based integration patterns and secure service architectures.
Experience supporting application modernization initiatives.

Responsibilities

Design, develop, maintain, and optimize SQL Server database solutions supporting mission-critical business processes.
Create and modify complex stored procedures, views, functions, triggers, and other database objects.
Implement database security controls including Row-Level Security (RLS), Security Predicates, and secure data access patterns.
Analyze and tune SQL Server performance, query execution plans, indexing strategies, and database workloads.
Develop and maintain .NET Web APIs that provide secure access to application data and services.
Support Azure-hosted application components including Azure App Services and Azure Function Apps.
Implement authentication and authorization using Azure Active Directory and Azure App Registrations.
Collaborate with solution architects and technical leads on application enhancements, modernization initiatives, and roadmap activities.
Participate in code reviews, troubleshooting, defect resolution, testing, deployment, and production support activities.
Support system integration efforts with Microsoft Power Platform and other enterprise applications.
Develop technical documentation, implementation guidance, operational procedures, and knowledge transfer materials.
Participate in Agile ceremonies, sprint planning, backlog refinement, estimation, and continuous improvement activities.

Benefits

Medical, Rx, Dental & Vision Insurance
Personal and Family Sick Time & Company Paid Holidays
Parental Leave
401(k) Retirement Plan
Group Term Life and Travel Assistance
Voluntary Life and AD&D Insurance
Health Savings Account, Health Care & Dependent Care Flexible Spending Accounts
Transit and Parking Commuter Benefits
Short-Term & Long-Term Disability
Tuition Reimbursement, Personal Development, Certifications & Learning Opportunities
Employee Referral Program
Corporate Sponsored Events & Community Outreach
Care.com annual membership
Employee Assistance Program
Supplemental Benefits via Corestream (Critical Care, Hospital Indemnity, Accident Insurance, Legal Assistance and ID theft protection, etc.)
Position may be eligible for a discretionary variable incentive bonus