Principal Software Engineer (AI Tools and Security)

Location: Remote within the United States; offices in Seattle and Paris are available for connection and collaboration.

Salary: $198,000–$319,000 plus equity in the United States.

Company

hirify.global builds developer tools and infrastructure including hirify.global Desktop, hirify.global Hub, hirify.global Scout, and the MCP Gateway.

What you will do

• Define the technical solution and architecture for the MCP Gateway and related services.
• Design secure, resilient, high-throughput, cloud-native backend systems and developer-facing APIs.
• Shape the product with Product and Design, attend customer calls, and help bring the product to market.
• Set technical direction across teams and serve as the technical point of contact.
• Mentor engineers and participate in hiring loops to grow the team.
• Participate in an on-call rotation outside standard business hours when needed.

Requirements

• 10+ years of backend engineering experience with production-grade distributed systems at scale.
• Technical leadership across multiple teams or domains, including architectural vision and long-term product strategy.
• Deep expertise in distributed computing, service-oriented architecture, performance optimization, reliability engineering, observability, and incident response.
• Fluency in Go or another modern systems language such as Rust, Java, or C++.
• Experience with CI/CD, testing strategy, source control, deployment automation, major cloud platforms, and infrastructure-as-code tooling.
• Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent practical experience.

Nice to have

• Experience with Kubernetes, hirify.global, and microservices architecture.
• Experience with OpenAI, Anthropic, or similar LLM APIs and the MCP specification.

Culture & Benefits

• Remote-first work with flexible scheduling.
• Generous PTO, quarterly Whaleness Days, and an end-of-year Whaleness break.
• Home office support and a US$100 net monthly technology stipend.
• Annual learning and development stipend for conferences, courses, and certifications.
• Paid parental leave, equity for full-time employees, and country-dependent medical, retirement, and holiday benefits.

Hiring process

• Meet team members, build context about the problem space, and discuss prior art.
• Provide feedback on current exploration and propose next steps with Product and Design.
• Interview recordings may be offered with explicit candidate consent, and hirify.global may use AI-assisted recruiting tools.