Senior .NET Developer (Facebook Platform)

**Facebook integration experience is a must-have!**

Our client is seeking a Senior .NET Developer with deep Facebook (Meta) platform integration expertise to architect and lead large-scale integrations for managing thousands of Facebook pages on behalf of clients.

This is not a basic API integration role. We are looking for someone who understands the complex nuances of Facebook s platform including app permissions, Business Manager structures, system users, long-lived tokens, permission expiration rules, rate limits, compliance constraints, and operational governance at scale.

The ideal candidate brings an architect-level mindset, with the ability to design scalable, compliant, and durable integrations that account for Facebook s evolving policies and edge cases.

Key Responsibilities:

• Architect and develop large-scale integrations with the Facebook Graph API and Meta Business ecosystem
• Design secure systems for managing and automating access to thousands of Facebook pages
• Implement robust handling of:
• Permission approvals and reauthorization workflows
• Token lifecycle management (short-lived vs. long-lived tokens)
• Expiration and inactivity-based permission revocation
• App review processes and extended permission requests
• Design systems that mitigate:
• Rate limits
• API version deprecations
• Platform policy changes
• Build monitoring, logging, and alerting mechanisms for API health and permission integrity
• Architect resilient retry, failover, and auditing strategies
• Lead architectural decisions related to scalability, compliance, and security
• Serve as the technical authority on Facebook/Meta platform best practices
• Work directly with leadership as the primary technical stakeholder for this integration

Required Technical Skills:

• 7+ years of experience in .NET / C# development
• Deep experience with ASP.NET Core, RESTful services, and microservices architecture
• Extensive hands-on experience with:
• Facebook Graph API
• Meta Business Manager
• System Users & Business Apps
• Facebook App Review process
• Page access tokens & OAuth flows
• Proven experience managing Facebook integrations at scale (hundreds or thousands of pages)
• Strong understanding of:
• OAuth 2.0
• Token lifecycle management
• Webhooks
• Rate limiting strategies
• Experience building enterprise-grade API integration layers
• Azure or AWS cloud architecture experience
• Strong database experience (SQL Server preferred)
• Experience with background job processing and distributed systems

Preferred Qualifications:

• Experience designing multi-tenant SaaS platforms
• Experience navigating Facebook compliance and policy enforcement issues
• Prior experience handling permission loss due to inactivity and mitigation strategies
• Familiarity with DevOps, CI/CD, and automated deployment pipelines
• Prior architect or technical lead experience

Salary/Rate: $95/HR (depends on experience level). This is a contract position with candidates expected to work 40 hours/ week.

About The Company

Peterson Technology Partners (PTP) is an Equal Opportunity Employer committed to creating a transparent, inclusive, and human-centered hiring experience.

For more than 28 years, PTP has operated as one of the top IT staffing and recruiting firms in the USA built on trust, long-term partnerships, and technical excellence.

Based in the Chicago suburb of Park Ridge, IL, our team of more than 500 employees and consultants is dedicated to:

Helping every client make the best hiring decisions possible

Matching professionals with the right IT jobs and career opportunities

As part of that commitment, we believe in providing clear information about how our hiring technologies work and how your data is used. The following section outlines our AI-assisted interview process and your rights as a candidate.

AI-Assisted Interview Experience (Pete & Gabi Rebecca)

To provide a consistent, fair, and flexible experience for all candidates, we use AI-assisted tools to support parts of the interview process. This includes our proprietary AI platform Pete & Gabi, which includes AI recruiter Rebecca.

These AI hiring tools help us:

• Transcribe interviews
• Summarize candidate responses
• Generate job-related insights
• Streamline communication and scheduling

Please note that:

The AI does NOT make hiring decisions; all decisions are made by our human recruiters, hiring managers, or client partners.

The AI does not evaluate facial expressions, emotions, or physical traits; it is used only to support fairness, consistency, and efficiency.

If you prefer a non-AI interview format, we will gladly provide an alternative.

Technical or Case Interviews (Role-Dependent):

When applying for certain tech jobs, you may participate in:

• A technical interview
• A coding challenge
• A case study
• A client-specific assessment

We will always explain what to expect in advance so you can prepare with confidence.

Human Review & Selection:

Every candidate's profile including interviews, conversations, and assessments is reviewed by experienced recruiters and hiring leaders.

AI insights may assist with organization and evaluation, but final decisions are always human-driven.

Your Rights as a Candidate:

At PTP, every candidate has the right to:

Request a non-AI interview path

Ask how your data is being used

Request access to transcripts or interview recordings

Request deletion of your AI-recorded interview

Receive clear, timely communication

Our goal is to ensure you feel respected, informed, and supported throughout your experience.

Our Commitment:

For more than 28 years, PTP has focused on putting people first candidates, consultants, employees, and clients.

We're committed to a hiring process that is:

• Transparent
• Compliant
• Equitable
• Powered by innovative technology that enhances not replaces human judgment

Welcome to the future of hiring at Peterson Technology Partners.

We're excited to learn more about you.

Equal Employment Opportunity:

Peterson Technology Partners is an Equal Opportunity Employer. All qualified applicants will receive consideration without regard to race, color, religion, national origin, gender identity, sexual orientation, disability, veteran status, or any other protected characteristic.