Freelance Full Stack Developer React Python Jobs in Philadelphia, PA

About Burro

Burro is the leading robotics company in the world by number of robots working outdoors in the field with real customers. Our mission is to free people from tedious work and solve the critical labor shortages faced by farmers and others that work outdoors. 

To accomplish our mission, we need a world-class, diverse team where everyone feels comfortable sharing their ideas. With this in mind, we strive to create a work environment where every employee can be themselves and express their perspective – this enables us to deliver the most creative and innovative solutions to problems our customers face.

Headquartered in Philadelphia with an office in central California, and backed by top Agtech and autonomy investors, including S2G, Catalyst, Translink, Cibus, FPrime, Toyota Ventures, FFVC, Xplorer, and Radicle, Burro was created to solve the labor shortages facing farmers using robotics. 

Burros can be described as Disney's Wall-E for agriculture and work outdoors, in a 1.0 format.  They function, today, as computer vision based autonomous ground vehicles for carrying, towing, and scouting, and are designed to lay the base for the fully autonomous future of work outdoors.  We have a growing triple digit fleet deployed in paid commercial use within vineyards, nurseries, berries, and beyond, and demand for our product is accelerating, so we are growing our team. 

The Role

At Burro, we are building the mission control for the future of autonomous work. BOSS Web serves as our universal fleet management platform, providing users with total visibility and control over hundreds of robots in real time from any device. We are looking for a Full-Stack Developer to join our Applications and User Experience team to drive the evolution of this interface, acting as a critical bridge between high-frequency robot telemetry and the human operator. You will collaborate with our engineers and designers to build high-performance, map-driven tools that transform massive geospatial datasets into intuitive, actionable insights for our customers.

Working as part of a growing team, you will ensure that as our fleets scale across vast agricultural and industrial environments, our software remains reliable and performant. While your primary focus is the development of BOSS Web, you will also provide periodic UI development support to the on-robot software team. You will be responsible for the technical implementation of new features and complex frontend state required for smooth real-time data rendering.

• Build and maintain interactive mapping workflows: drawing/editing paths, points, polygons, and robot routes.

• Implement custom map behaviors (snapping, intersections, validation, overlays, geofencing) using GeoJSON and Turf-style geometry utilities.

• Integrate and develop APIs consumed by React Query, handling caching, mutation workflows, and error UX.

• Maintain complex UI flows with state split across Redux Toolkit, Zustand, and React Context.

• Deliver polished UX using Tailwind + Radix/shadcn UI components, including forms and dialogs.

• Instrument features with Sentry and PostHog, and support i18n across locales.

• Keep performance solid with large geospatial datasets and frequent map updates.

• Expertise in TypeScript and React building complex, data-heavy single-page apps.

• Deep hands-on map and geographic work: Mapbox GL or Leaflet, GeoJSON, and geospatial math.

• Mastery of state management in production apps using Redux Toolkit, Zustand, or similar.

• Proven ability to reason about UX and performance for data-dense, map-driven tools.

• Expertise in API integration patterns using React Query or similar caching layers.

• Proficiency with Vite, Node, modern frontend tooling, and CI/test practices.

• Solid experience with backend ORM entity modeling and migrations.

• Practical knowledge of authentication patterns: JWT, API keys, and JWKS/Auth0/OIDC.

• Experience building reliable services with clear logging and error handling.

• SQL/Postgres with geospatial concepts (PostGIS, GeoJSON).

• REST API design with Swagger/OpenAPI and DTO validation.

• Experience in Flutter and Dart for cross-platform UI development.