Staff Software Engineer, App Platform
Lead design and evolution of core platform services, APIs, and shared primitives that power every product surface and AI agent. Drive technical standards and architecture across SaaS, enterprise, and government environments while mentoring engineers.
About the job
Responsibilities
- Lead the design and evolution of Fieldguide's core platform services, including foundational systems, APIs, and shared primitives
- Build platform capabilities that compound the leverage of product and AI engineers
- Define the architecture for how new product capabilities get delivered across SaaS, enterprise single-tenant, and government-cloud environments
- Partner with product, design, and AI engineering leaders to translate customer needs into platform investments
- Drive cross-team initiatives that improve product velocity, system reliability, and consistency
- Own standards for service design, data modeling, and platform integration patterns
- Maintain and evolve the internal developer platform including deployment tooling and agentic engineering capabilities
- Mentor senior and mid-level engineers across the organization
Requirements
- 10+ years of experience in software engineering with significant time building product-facing platforms or foundational application services
- Strong product instincts and track record of shipping platform capabilities that unlocked customer outcomes
- Deep experience designing APIs, services, and shared systems that other engineers build on top of
- Strong fluency with modern cloud platforms (AWS preferred), Kubernetes, and distributed systems
- Track record of operating as a technical leader across multiple teams
- Excellent judgment on platform vs. product team responsibilities
- Strong software engineering fundamentals for contributing to and reviewing complex codebases
- Excellent written and verbal communication skills
Nice-to-Haves
- Experience building platforms that power AI-native products including agent frameworks, model orchestration, or LLM-powered surfaces
- Experience designing platforms that support both multi-tenant SaaS and single-tenant enterprise deployments
- Experience as a founding or early platform engineer at a vertical SaaS or enterprise AI company
Skills
AWS, Kubernetes, Distributed Systems, API Design, Platform Engineering, Cloud Platforms, Service Design, Data Modeling, SaaS, Ai Agent Frameworks
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