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Hi, I'm Tony Montoya, a Senior Software Engineer with over 10 years of experience building scalable, full-stack software solutions. I specialize in Python, React (Next.js), and AWS, and I love creating secure, accessible, and high-performance applications that solve real problems in e-commerce, logistics, and cloud services. Collaboration and mentorship are super important to me, and I enjoy working closely with teams to drive project success. Throughout my career, I've had the pleasure of building complex front-end interfaces, backend services, and automation pipelines that have streamlined operations and improved customer satisfaction. I'm passionate about clean code, thorough testing, and continuous integration, and I'm always eager to learn and share knowledge with others.…Hi, I'm Tony Montoya, a Senior Software Engineer with over 10 years of experience building scalable, full-stack software solutions. I specialize in Python, React (Next.js), and AWS, and I love creating secure, accessible, and high-performance applications that solve real problems in e-commerce, logistics, and cloud services. Collaboration and mentorship are super important to me, and I enjoy working closely with teams to drive project success. Throughout my career, I've had the pleasure of building complex front-end interfaces, backend services, and automation pipelines that have streamlined operations and improved customer satisfaction. I'm passionate about clean code, thorough testing, and continuous integration, and I'm always eager to learn and share knowledge with others.

Tony Montoya

Full Stack Developer, Developer, Web Developer, +2

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Hi, I'm Tony Montoya, a Senior Software Engineer with over 10 years of experience building scalable, full-stack software solutions. I specialize in Python, React (Next.js), and AWS, and I love creating secure, accessible, and high-performance applications that solve real problems in e-commerce, logistics, and cloud services. Collaboration and mentorship are super important to me, and I enjoy working closely with teams to drive project success. Throughout my career, I've had the pleasure of building complex front-end interfaces, backend services, and automation pipelines that have streamlined operations and improved customer satisfaction. I'm passionate about clean code, thorough testing, and continuous integration, and I'm always eager to learn and share knowledge with others.…Hi, I'm Tony Montoya, a Senior Software Engineer with over 10 years of experience building scalable, full-stack software solutions. I specialize in Python, React (Next.js), and AWS, and I love creating secure, accessible, and high-performance applications that solve real problems in e-commerce, logistics, and cloud services. Collaboration and mentorship are super important to me, and I enjoy working closely with teams to drive project success. Throughout my career, I've had the pleasure of building complex front-end interfaces, backend services, and automation pipelines that have streamlined operations and improved customer satisfaction. I'm passionate about clean code, thorough testing, and continuous integration, and I'm always eager to learn and share knowledge with others.

Available to hire

Hi, I’m Tony Montoya, a Senior Software Engineer with over 10 years of experience building scalable, full-stack software solutions. I specialize in Python, React (Next.js), and AWS, and I love creating secure, accessible, and high-performance applications that solve real problems in e-commerce, logistics, and cloud services. Collaboration and mentorship are super important to me, and I enjoy working closely with teams to drive project success.

Throughout my career, I’ve had the pleasure of building complex front-end interfaces, backend services, and automation pipelines that have streamlined operations and improved customer satisfaction. I’m passionate about clean code, thorough testing, and continuous integration, and I’m always eager to learn and share knowledge with others.

Skills

Experience Level

Expert

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Expert

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Expert

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Expert

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Expert

Work Experience

Senior Software Engineer at Amazon

January 1, 2022 - Present

Built a returns management interface using React, Next.js, and Tailwind CSS integrated with a FastAPI backend to enhance return tracking. Developed Python backend services for webhook processing and return order updates in PostgreSQL. Implemented a Kafka-based alert system with AWS SQS, reducing escalation delays with real-time dashboards. Refactored Node.js auth middleware supporting JWT rotation and OAuth2 token introspection for SOC2 compliance. Collaborated with DevOps to containerize Python/Node services and deploy via GitHub Actions for improved CI/CD. Created an internal React tool combining New Relic and AWS X-Ray traces to pinpoint backend latency issues. Established comprehensive testing flows with Cypress, Jest, and Pytest, improving release stability.

Senior Software Engineer at Instacart

December 31, 2021 - July 30, 2025

Developed inventory operations dashboard with React, Next.js, Redux, and TypeScript powered by GraphQL aggregating SKU, pricing, and shipping data. Built backend pricing services in Node.js integrating with Stripe APIs to support promotions and refunds. Created serverless audit logging system with AWS Lambda, DynamoDB Streams, and Kinesis Firehose for compliance and anomaly detection. Integrated secure file handling using S3 pre-signed URLs and React Dropzone components for SOC2 data compliance. Optimized PostgreSQL queries for real-time inventory search. Collaborated with accessibility team to improve React navigation patterns. Defined CI/CD workflows with Docker and Kubernetes supporting blue-green deployments.

Full Stack Developer at IBM

February 28, 2017 - July 30, 2025

Developed internal monitoring dashboard with React and D3.js to visualize system metrics aiding SRE teams. Built RESTful APIs using Flask and Express for secure document routing in regulated portals. Led design of user role and group assignment service backed by PostgreSQL and Redis. Integrated RabbitMQ to queue long-running data jobs minimizing timeout errors. Created bulk file uploader with React and Dropzone validating metadata and digital signatures for HIPAA-compliant platform. Developed backend scripts for synchronizing legacy and REST systems reducing manual data reconciliation. Worked closely with QA and product teams to triage bugs and refine UX ensuring feature readiness.