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Senior Full-Stack .NET Developer

Atlanta, GA 8.0 Months
Contract $53.77/hour - $58.77/hour






Accepted: .doc, .docx, .pdf, - max 20MB
Posted: Sep 22, 2026
Ref: NPGASF22

Position Overview


Hybrid: Tuesday–Thursday on-site

Under general supervision, designs, codes, tests, modifies and debugs computer software.

This position is for a senior engineer who wants to lead modernization efforts, solve complex technical problems, and help shape the future architecture of a statewide platform. You will play a key role in technical design decisions, application architecture, cloud integration, and delivery.
Our team is intentionally lean. That means ownership matters. You will be expected to take a solution from concept to production, including design, development, testing, deployment, documentation, and operational support. Success in this role requires initiative, accountability, and the ability to work independently.

If you're looking for a highly structured environment where work is narrowly defined and tasks are handed to you step-by-step, this is probably not the right fit. If you enjoy building, leading, and owning outcomes, you'll thrive here. .

What You Will Do

Application Modernization (Core of this Role)
Champion the modernization of client's mission-critical licensing and eligibility applications, transitioning legacy solutions to modern .NET and Azure-based architectures.
Design and implement scalable, secure, and maintainable application solutions that reduce technical debt and improve long-term supportability.
Build and evolve API-first integrations and services that enable future platform capabilities.
Develop cloud-native solutions using Azure App Services, Azure Functions, and related Azure technologies.
Own the SQL Server platform, including data architecture, performance tuning, data migration, and platform modernization.
Implement and maintain CI/CD pipelines using Azure DevOps to automate testing, deployment, and release management.
Drive engineering excellence through code reviews, automation, documentation, and adherence to modern development practices.

Frontend & Integration
Build and maintain React-based UI components as part of the modernization roadmap
Demonstrate a strong understanding of web application rendering patterns, including client side rendering (CSR), server-side rendering (SSR), component-based architectures, and modern frontend frameworks.
Integrate third-party services and internal APIs; document every integration cleanly
Implement and maintain reporting using SSRS and Power BI
Participate in AI integration initiatives — Azure Agentic AI services, Copilot tooling, and chatbot integrations where applicable

Quality, Documentation & Support
Write code that your teammates can read and maintain six months from now
Provide production support and own root-cause analysis when things break
Maintain application documentation, deployment runbooks, and user-facing guides
Participate in architecture reviews, code reviews, and sprint ceremonies

Required Qualifications

EXPERIENCE
8+ years of professional .NET development experience — C#, ASP.NET MVC, Web API
Demonstrated, hands-on experience migrating legacy ASP.NET applications to modern .NET (6, 7, 8 or 10) — not just exposure
Production SQL Server experience: stored procedures, T-SQL tuning, schema migrations, data cleanup
Azure hands-on: App Services, Function Apps, deployment pipelines, configuration management
5+ years delivering software in Agile (Scrum or Kanban) environments using ADO or GitHub

WHAT HANDS-ON MEANS HERE
You have modernized a real application — not a proof of concept — from legacy ASP.NET to .NET 6/7/8/10
You have designed and maintained RESTful APIs that external systems depend on
You have debugged production issues independently, without a team lead walking you through it

Preferred Qualifications
These will make you effective faster. They are not dealbreakers, but they distinguish competitive candidates.
Exposer to .NET 10
Power BI or SSRS reporting development
Experience with government, healthcare, or public-sector systems — you understand compliance, auditability, and data sensitivity
Familiarity with ADA/WCAG 2.1 AA accessibility standards
Exposure to Azure Agentic AI services or integration of AI-driven features in production applications
Experience with middleware platforms such as Boomi or MuleSoft
Background working with PII data and the security protocols that protect it

Education
Bachelor's degree in Computer Science, Information Technology, or a related field — or equivalent work experience that demonstrates the same depth

Skill - Required / Desired - Amount of Experience
React experience — specifically building components within an existing application, not greenfield
Exposer to .NET 10 - Required - 3 Years
Power BI or SSRS reporting development - Required - 3 Years
Experience with government, healthcare, or public-sector systems — you understand compliance, auditability, and data sensitivity - Required - 3 Years
Familiarity with ADA/WCAG 2.1 AA accessibility standards - Required - 3 Years
Exposure to Azure Agentic AI services or integration of AI-driven features in production applications - Required - 3 Years
Experience with middleware platforms such as Boomi or MuleSoft - Required - 3 Years

Notes:
Hybrid: Tuesday–Thursday on-site at client headquarters (subject to manager discretion)


VIVA is an equal opportunity employer. All qualified applicants have an equal opportunity for placement, and all employees have an equal opportunity to develop on the job. This means that VIVA will not discriminate against any employee or qualified applicant on the basis of race, color, religion, sex, sexual orientation, gender identity, national origin, disability or protected veteran status

Trusted by 100+ Fortune 500 Companies

Competitive Benefits


Your well-being Matters

Health & Future Fully Covered

At VIVA, employee well-being is paramount. Our comprehensive benefits package ensures your health, financial security, and quality of life are always prioritized.

Health Insurance

VIVA provides employees access to a comprehensive group health insurance plan (Medical, Dental, Vision, Basic Life, Term Life, and Accidental Death) through our flexible PPO plan-allowing you the freedom to choose healthcare providers.

401(k) Retirement Planning

Plan securely for your future with automatic payroll deductions into a tax-advantaged 401(k) retirement plan, including employer-matching contributions for eligible employees.

Performance Bonuses & Referrals

Earn performance-based bonuses and generous referral incentives of up to $500 when recommending talented candidates who become part of the VIVA family.

Biweekly Direct Deposit

Enjoy timely and convenient payroll with biweekly direct deposit to your chosen financial institution. Biweekly Direct Deposit

VIVA Perks Program

Access exclusive employee discounts and savings on electronics, travel, groceries, apparel, and more through our dedicated VIVA Perks Program.

Join VIVA and Grow
VIVA is faster, easier and you still have complete control

Senior Full-Stack .NET Developer


Reference Number: NPGASF22
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