Staff Software Engineer App Platform

Fieldguide is establishing a new state of trust for global commerce and capital markets by automating and streamlining the work of assurance and audit practitioners—specifically in cybersecurity privacy and financial audits. We build software for the people who enable trust between businesses.

We're based in San Francisco CA and built remote-first. We're backed by Goldman Sachs Alternatives Bessemer Venture Partners 8VC Floodgate Y Combinator and more. Over 50 of the top 100 accounting and consulting firms trust Fieldguide to power mission-critical work.

As a Staff Platform Engineer at Fieldguide you will design and build the foundational platform that powers Fieldguide including core platform services and tooling that make it fast safe and consistent to deliver new capabilities to customers. This is the platform on which every product surface and AI agent at Fieldguide is built.

You will operate as a technical leader across teams defining standards and reducing complexity for product AI and infrastructure engineers. Your work will directly shape how Fieldguide can ship quickly for our largest enterprise customers while keeping our systems reliable and scalable.

Our engineering hub is located in San Francisco. This role is open to remote candidates anywhere in the US; Bay Area-based employees will work in a hybrid setting.

• Lead the design and evolution of Fieldguide's core platform services including the foundational systems APIs and shared primitives that every product surface and agent depends on

• Build platform capabilities that compound the leverage of product and AI engineers turning hard problems into reusable building blocks

• Define the architecture for how new product capabilities get delivered across our SaaS enterprise single-tenant and government-cloud environments

• Partner directly with product design and AI engineering leaders to understand customer needs and translate them into platform investments

• Drive cross-team initiatives that improve product velocity system reliability and consistency across the application

• Own the standards for service design data modeling and platform integration patterns used across Fieldguide

• Maintain and evolve the internal developer platform that supports the team including deployment tooling and agentic engineering capabilities

• Mentor senior and mid-level engineers across the org and raise the bar for platform engineering at Fieldguide

• 10+ years of experience in software engineering with significant time spent building product-facing platforms or foundational application services

• Strong product instincts and a track record of shipping platform capabilities that unlocked meaningful 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 without owning them directly

• Excellent judgment on what to build into the platform what to leave to product teams and what to buy

• Strong software engineering fundamentals and the ability to contribute to and review complex codebases

• Excellent written and verbal communication with the ability to drive alignment across engineering product and design

• High agency and a bias toward owning problems end-to-end

• Experience building platforms that power AI-native products including agent frameworks model orchestration or LLM-powered application 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

• Competitive compensation with equity

• Comprehensive health and wellness benefits

• Flexible time off and work schedules

• Technology reimbursements

• 401(k) plan

• Twice-yearly in-person offsites across the U.S.

• Wellness benefits starting on your first day

• Fearless — Inspire and break down seemingly impossible walls

• Fast — Launch fast with excellence; iterate to perfection

• Lovable — Deliver happiness and 11-star experiences

• Owners — Execute and run the business with ownership

• Win-win — Create mutual value and earn trust for life

• Inclusive — Scale the best ideas with inclusive teams

What We Do

Build the expertise the rest of the industry will follow.Fieldguide is establishing a new state of trust for global commerce and capital markets by automating and streamlining the work of assurance and audit practitioners. We build agentic software for the people who enable trust between businesses.This is where deep professional expertise meets cutting-edge AI. Our team is reimagining how the world's trust is earned and we're building the people who define how AI works in a domain with real stakes and high data complexity. If you want a career the rest of your industry hasn't caught up to yet you'll find it here.Backed by top investors including Growth Equity at Goldman Sachs Alternatives Bessemer Venture Partners 8VC Floodgate and Y Combinator we are on a growth journey few companies realize.

Why Work With Us

You'll matter here. We're an early-stage company where your work has outsized impact. We've already launched Field Agents agentic AI that transforms audit and advisory workflows and we're just getting started. What you build here will be followed by the rest of the industry.