Backend Developer – Integrations (Meta, OpenAI)

We are seeking a highly skilled Backend Developer – Integrations (Meta, OpenAI) to design, develop, and maintain robust backend services and API integrations. The ideal candidate will specialise in connecting our internal systems and products with Meta’s APIs and OpenAI’s ecosystem. This role involves building scalable integration layers, ensuring data security, and optimising performance across multiple third-party platforms.

Must-have skills

• Strong backend in .NET (C# preferred; VB.NET familiarity a plus) and ASP.NET Web API .
  
• API design & integration : REST/GraphQL, OAuth2, webhooks, pagination, rate-limits, idempotency, retries, exponential backoff.
  
• Meta Graph APIs (WhatsApp Business), OpenAI API usage patterns (prompting, streaming, batching, cost control).
  
• SQL Server expertise (indexes, query tuning, transactions); Redis caching.
  
• Azure experience (App Service, Functions, Azure Service Bus/Queues , Storage, Key Vault, App Insights).
  
• Security & compliance : secrets management, audit logging, data protection, multi-tenant patterns.
  
• CI/CD (Azure DevOps or GitHub Actions), unit/integration testing.
  

Preferred:

• Experience integrating with Salesforce and Dynamics 365 endpoints/Dataverse.
  
• Docker, containerized deployments; message-driven architectures (event sourcing/Saga).
  
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Requirements

Education:

• Bachelor’s degree in Computer Science, Software Engineering, or related field (or equivalent experience)