HVAC, solar, telecom, pest control, and commercial maintenance enterprises—as well as vertical FSM SaaS startups—frequently search to hire a freelance Field Service Management (FSM), technician route optimization, ServiceTitan/Jobber/Housecall Pro API & offline mobile app programmer. I am Aldian Fazrihady, a Senior Freelance Full Stack & Mobile Programmer available via Upwork.
Core Field Service Dispatch, Routing & Mobile AI Capabilities
- Constraint-Based Technician Dispatch & Route Optimization (OR-Tools / Valhalla / Google Route Optimization): Assigning jobs across hundreds of vans based on technician certifications, truck parts inventory, customer time windows, and live traffic isochrones.
- Offline-First Technician Mobile App (React Native / PWA): Allowing technicians in basements or rural areas to inspect equipment, snap before/after photos, capture customer signatures, and collect Stripe Terminal tap-to-pay payments offline.
- AI Voice Job Notes & Equipment Manual Copilot: Turning a technician's 30-second spoken voice note into a professional itemized customer invoice and equipment service log.
Frequently Asked Questions
Can you integrate AI phone booking directly with our dispatch board or ServiceTitan?
Yes. Inbound homeowner calls are answered 24/7 by our voice AI agent, which qualifies the emergency level, checks technician zone availability, and books the job directly onto your dispatch calendar.
How can we hire you as a freelance Field Service software programmer?
Reach out on Upwork.