I’m a Full-Stack Developer with 8+ years of experience building scalable AI-driven platforms, high-performance backend systems, and modern web/mobile applications. I’ve led end-to-end development for fintech, automation, and gig-economy products, delivering systems that power AI automation, real-time analytics, and secure payment workflows. My expertise spans FastAPI, Node.js, React/React Native, PostgreSQL, and cloud infrastructure on AWS. I’m skilled at integrating complex third-party APIs, optimizing data pipelines, and architecting reliable microservices. I focus on clean engineering, strong communication, and delivering solutions that scale with business growth.

Zachary Mosley

I’m a Full-Stack Developer with 8+ years of experience building scalable AI-driven platforms, high-performance backend systems, and modern web/mobile applications. I’ve led end-to-end development for fintech, automation, and gig-economy products, delivering systems that power AI automation, real-time analytics, and secure payment workflows. My expertise spans FastAPI, Node.js, React/React Native, PostgreSQL, and cloud infrastructure on AWS. I’m skilled at integrating complex third-party APIs, optimizing data pipelines, and architecting reliable microservices. I focus on clean engineering, strong communication, and delivering solutions that scale with business growth.

Available to hire

I’m a Full-Stack Developer with 8+ years of experience building scalable AI-driven platforms, high-performance backend systems, and modern web/mobile applications.

I’ve led end-to-end development for fintech, automation, and gig-economy products, delivering systems that power AI automation, real-time analytics, and secure payment workflows. My expertise spans FastAPI, Node.js, React/React Native, PostgreSQL, and cloud infrastructure on AWS. I’m skilled at integrating complex third-party APIs, optimizing data pipelines, and architecting reliable microservices. I focus on clean engineering, strong communication, and delivering solutions that scale with business growth.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
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Language

English
Fluent

Work Experience

Full-Stack Engineer at Orcava Inc
January 20, 2024 - February 1, 2025
Architected and implemented core infrastructure across TaxMate and GigFlow platforms, enabling scalable AI and automation workflows from backend services to user-facing apps. Designed modular microservice architecture integrating OCR pipelines, RAG-based LLM agents, and AI-driven tax document parsing using LangChain and OpenAI APIs. Engineered the database schema and ETL pipelines to unify data from gig-platform APIs (Uber, Lyft, DoorDash, Fiverr, etc.), ensuring consistent synchronization of financial and tax records. Built robust APIs with FastAPI and Node.js (TypeScript); contributed to React/React Native interfaces for multi-platform experiences; deployed on AWS (Lambda, S3, EC2), Docker, and GitHub Actions, with automated testing and CI/CD.
Backend Engineer at Fit-Alliance
July 1, 2023 - August 1, 2024
Designed, built, and optimized server-side systems powering a cross-platform fitness application, including scalable FastAPI services with REST and GraphQL endpoints for workout tracking and analytics. Integrated Stripe for subscriptions and billing, including webhook handling. Developed AI-powered fitness recommendations using the OpenAI API, enabling personalized workout plans. Designed PostgreSQL schemas and queries to support mobile and wearable integrations.
Backend Engineer at Appybee
October 1, 2019 - February 1, 2021
Built and maintained Laravel/PHP backend services, designing scalable RESTful APIs for bookings, scheduling, user accounts, and membership workflows. Integrated third-party payment gateways (Stripe, PayPal, Mollie) with secure transaction flows, webhook handling, and subscription logic. Implemented real-time notifications with Firebase Cloud Messaging and server-side events. Optimized MySQL schemas for high-traffic features; collaborated with mobile and product teams in Agile sprints.

Education

Bachelor's Degree at Southern New Hampshire University
May 1, 2007 - May 1, 2011

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Financial Services, Professional Services, Media & Entertainment

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
See more