Principal Software Engineer

Position Title

Principal Software Engineer

Protingent Staffing has an exciting direct-hire opportunity for a Principal Software Engineer.

• Elevate the technical judgment of engineers around you through design reviews, architectural guidance, and mentorship
• Troubleshoot and drive resolution of the hardest cross-system issues in our stack
• Participate in on-call rotation to ensure system reliability and rapid issue resolution
• Engage directly with product and executive stakeholders to assess feasibility, cost, and risk of strategic initiatives
• Drive architectural decisions and technical direction across multiple teams and systems
• Directly build and ship software that tackles the hardest, most ambiguous technical problems in our stack
• Set the engineering standard through your own code, design patterns, and technical approach
• Own cross-cutting concerns: scalability, reliability, security posture, and cloud cost efficiency
• Identify converging efforts across teams and consolidate before they become compounding tech debt
• Design and evolve system architectures for our B2B portals, collaboration tools, internal platforms, and customer-facing APIs
• Evaluate build‑vs‑buy decisions, technology bets, and system design tradeoffs with direct business impact

• 10+ years of software development experience, having progressed from shipping great software to shaping how organizations approach building it
• Deep architectural experience designing systems that span multiple services, teams, or domains
• Exceptional hands‑on engineering skills across the full stack, with the ability to go deep on the hardest problems in any part of the system
• Strong proficiency across multiple languages and comfortable ramping quickly on ones you haven't used before. Our stack includes Go, Type Script, C#, and React
• Proven ability to own the full software development lifecycle, from requirements and design through construction, testing, deployment, and production operations
• Experience with cloud architecture and resource‑efficient infrastructure design at scale
• Full ownership mentality that extends beyond your own code to the health of systems, culture, and teams around you
• Strong understanding of SQL databases, caching layers, event‑driven architectures, and data pipeline design
• Pragmatic technical judgment that optimizes for the right solution given real constraints, not the theoretically perfect one
• Track record of driving technical alignment across teams with competing priorities
• Enthusiasm for leveraging AI‑assisted development tools and emerging technologies
• Ability to translate between business language and technical language fluently, in both directions
• Must have permission to work in the US on a permanent basis

• Experience with healthcare data standards (HL7, FHIR) or regulated industry environments
• Experience with Graph
  
  QL, event‑driven data pipelines, or healthcare integration patterns (EHR, PMS, PBM)
• Advanced Dev Ops and platform engineering experience including Infrastructure as Code, containerization, and observability at scale

• Job Type: Direct Placement
• Salary Range: $155,000 – $215,000
• Location:
  
  Redmond, WA / Remote
• Must be a US Citizen or Green Card holder