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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.…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

Full Stack Developer, Web Developer, DevOps Developer, +1

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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.…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.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

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.