> Markdown version of [/jobs/ext/3846225-staff-software-engineer-app-platform](https://www.wearedevelopers.com/jobs/ext/3846225-staff-software-engineer-app-platform). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Staff Software Engineer, App Platform - **Company:** Fieldguide Inc. - **Location:** San Francisco, CA, United States - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Artificial Intelligence, Amazon Web Services, Software as a Service, Service Design, Software Engineering, Large Language Models, Reliability of Systems, Agentic-AI, Kubernetes - **Published:** October 20, 2026 - **Apply:** https://www.juju.com/job/23_D79B7F0A345C47503D92F422D4F408B3 ## About the Role platform that supports the team, including deployment tooling, and agentic engineering capabilitiesMentor senior and mid-level engineers across the org and raise the bar for platform engineering at FieldguideWho You Are10+ years of experience in software engineering, with significant time spent building product-facing platforms or foundational application servicesStrong product instincts and a track record of shipping platform capabilities that unlocked meaningful customer outcomesDeep experience designing APIs, services, and shared systems that other engineers build on top ofStrong fluency with modern cloud platforms (AWS preferred), Kubernetes, and distributed systemsTrack record of operating as a technical leader across multiple teams without owning them directlyExcellent judgment on what to build into the platform, what to leave to product teams, and what to buyStrong software engineering fundamentals and the ability to contribute to and review complex codebasesExcellent written and verbal communication, with the ability to drive alignment across engineering, product, and designHigh agency and a bias toward owning problems end-to-endBonus PointsExperience building platforms that power AI-native products, including agent frameworks, model orchestration, or LLM-powered application surfacesExperience designing platforms that support both multi-tenant SaaS and single-tenant enterprise deploymentsExperience as a founding or early platform engineer at a vertical SaaS or enterprise AI companyBenefitsCompetitive compensation with equityComprehensive health and wellness benefitsFlexible time off and work schedulesTechnology reimbursements401(k) planTwice-yearly in-person offsites across the U.S.Wellness benefits starting on your first dayOur ValuesFearless - Inspire and break down seemingly impossible wallsFast - Launch fast with excellence; iterate to perfectionLovable - Deliver happiness and 11-star experiencesOwners - Execute and run the business with ownershipWin-win - Create mutual value and earn trust for lifeInclusive - Scale the best ideas with inclusive teams ## Description This role is open to remote candidates anywhere in the US; Bay Area-based employees will work in a hybrid setting.What You'll OwnLead 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 onBuild platform capabilities that compound the leverage of product and AI engineers, turning hard problems into reusable building blocksDefine the architecture for how new product capabilities get delivered across our SaaS, enterprise single-tenant, and government-cloud environmentsPartner directly with product, design, and AI engineering leaders to understand customer needs and translate them into platform investmentsDrive cross-team initiatives that improve product velocity, system reliability, and consistency across the applicationOwn the standards for service design, data modeling, and platform integration patterns used across FieldguideMaintain and evolve the internal developer