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AI-focused Senior Full Stack Software Engineer with 9+ years of experience building secure, scalable, data-intensive web applications and distributed systems. Strong expertise across frontend architecture, backend APIs, microservices, real-time processing, database optimization, cloud infrastructure, and CI/CD. Proven track record delivering high-performance, maintainable software with measurable improvements including faster deployments, fewer critical defects, and faster application load times. Experienced integrating OAuth/JWT-secured APIs, building agentic LLM workflows, and delivering production observability and security best practices.…AI-focused Senior Full Stack Software Engineer with 9+ years of experience building secure, scalable, data-intensive web applications and distributed systems. Strong expertise across frontend architecture, backend APIs, microservices, real-time processing, database optimization, cloud infrastructure, and CI/CD. Proven track record delivering high-performance, maintainable software with measurable improvements including faster deployments, fewer critical defects, and faster application load times. Experienced integrating OAuth/JWT-secured APIs, building agentic LLM workflows, and delivering production observability and security best practices.

Austin Chen

Full Stack Developer, AI Developer, Software Engineer, +2

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AI-focused Senior Full Stack Software Engineer with 9+ years of experience building secure, scalable, data-intensive web applications and distributed systems. Strong expertise across frontend architecture, backend APIs, microservices, real-time processing, database optimization, cloud infrastructure, and CI/CD. Proven track record delivering high-performance, maintainable software with measurable improvements including faster deployments, fewer critical defects, and faster application load times. Experienced integrating OAuth/JWT-secured APIs, building agentic LLM workflows, and delivering production observability and security best practices.…AI-focused Senior Full Stack Software Engineer with 9+ years of experience building secure, scalable, data-intensive web applications and distributed systems. Strong expertise across frontend architecture, backend APIs, microservices, real-time processing, database optimization, cloud infrastructure, and CI/CD. Proven track record delivering high-performance, maintainable software with measurable improvements including faster deployments, fewer critical defects, and faster application load times. Experienced integrating OAuth/JWT-secured APIs, building agentic LLM workflows, and delivering production observability and security best practices.

Available to hire

AI-focused Senior Full Stack Software Engineer with 9+ years of experience building secure, scalable, data-intensive web applications and distributed systems. Strong expertise across frontend architecture, backend APIs, microservices, real-time processing, database optimization, cloud infrastructure, and CI/CD.

Proven track record delivering high-performance, maintainable software with measurable improvements including faster deployments, fewer critical defects, and faster application load times. Experienced integrating OAuth/JWT-secured APIs, building agentic LLM workflows, and delivering production observability and security best practices.

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Work Experience

Senior Software Engineer | AI Applications at QuikTrip

March 1, 2021 - Present

Architected React, TypeScript, and Python user workflows including analytics dashboards, data grids, filters, and operational tooling; reduced load time by 40% via virtualization, state optimization, smart caching, and targeted profiling. Developed secure agentic AI workflows using Amazon Bedrock, Bedrock Guardrails, ECS, and MCP with LLM routing, tool execution, validation, and human approval controls. Implemented AI auto-scheduling using five optimization factors (availability, skills, labor rules, wage budgets, and working-hour limits) to produce compliant workforce schedules. Built secure REST/JSON workforce APIs using OAuth 2.0/token authentication handling up to 500 records per response across employees, schedules, timesheets, payroll, and operational data. Improved PostgreSQL query patterns with indexing, caching, and asynchronous processing, and optimized schedule synchronization using a 48-hour roster window (36 hours future, 12 hours past).

Senior Backend Engineer at U.S. Payments

August 1, 2018 - March 1, 2021

Engineered React and TypeScript frontend workflows with Python backend APIs for digital asset upload, metadata editing, AI-enriched search, and rights management; supported 20+ media formats using optimized rendering and caching plus scalable service architecture. Designed backend services and asynchronous processing pipelines for large datasets emphasizing idempotency, validation, retries, error isolation, and operational visibility. Developed relational and service-level data models to support complex reporting while maintaining clear API boundaries between frontend and backend systems. Built integration services connecting 14 external platforms (5 collection systems, 6 CMS platforms, 3 enterprise tools) for automated data synchronization. Enhanced asset discovery using three search methods (metadata filtering, thesaurus search, related-image search) combined with AI-generated metadata indexing.

Software Engineer at Gateway Mortgage Group, LLC

June 1, 2017 - August 1, 2018

Built customer-facing web application features using JavaScript-based frontend technologies and Python backend services, supporting communication and business workflows. Implemented API integrations connecting user-facing features with internal systems and consolidating required data. Improved maintainability by refactoring reusable modules and reducing tightly coupled logic across frequently modified parts of the platform.

Junior Programmer at CommunityCare HMO

January 1, 2015 - May 1, 2017

Contributed to applications requiring reliable data handling, maintainable application logic, and clear interfaces for technical and operational users. Built and maintained application components working with structured data and relational database workflows across development and testing environments.