GraphQL Subject Matter Expert

Overview

Engagement Type: Part-Time / Episodic Consulting

Clearance: Able to obtain Public Trust clearance upon hire

About us: At Stackular, we are more than just a team – we are a product development community driven by a shared vision. Our values shape who we are, what we do, and how we interact with our peers and our customers. We're not just seeking any regular engineer; we want individuals who identify with our core values and are passionate about software development.

Stackular is seeking Senior-level Graph

QL Subject Matter Expert (SME) to provide targeted technical guidance in support of a government client’s Graph

QL modernization initiative. This role is ideal for engineers with deep expertise in Graph

QL architecture who prefer an advisory role rather than full-time delivery.

• Advise on Graph
  
  QL federation architecture and tooling
• Provide guidance on schema governance, validation, and versioning
• Review architecture designs and schemas
• Assist with complex integration and security challenges
• Contribute to documented best practices

• Bachelor’s degree in Computer Science, Engineering, or equivalent experience
• 10+ years of professional engineering experience
• Deep expertise in GraphQL
• Strong understanding of API security
• Able to obtain Public Trust clearance upon hire
• Candidates with strong Graph
  
  QL + API development experience and, ideally, Apollo Federation or Fusion-based Graph
  
  QL implementations

• Schema governance and lifecycle management
• Graph
  
  QL security and query complexity controls
• Integration with legacy systems
• Observability and performance tuning

• Self-hosted Graph
  
  QL platforms
• .NET-based Graph
  
  QL implementations
• Government or regulated enterprise experience
• Prior consulting or principal engineer roles