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I am a senior software engineer with a passion for building scalable, AI-powered web and cloud applications. Over the past decade, I’ve delivered end-to-end solutions across fintech, healthcare, legal tech, and enterprise platforms, leveraging React, TypeScript, Node.js, Python, and cloud ecosystems. I enjoy turning complex requirements into secure, maintainable architectures and mentoring teams to reach new levels of engineering excellence. I excel at modernizing legacy systems, containerizing workloads with Docker and Kubernetes, and implementing robust CI/CD pipelines. My work blends strong frontend craftsmanship with strong backend optimization, including real-time APIs, AI/ML integrations, and data-driven decision support. I’m dedicated to collaborating with stakeholders to deliver user-centric, secure, and scalable solutions at scale.…I am a senior software engineer with a passion for building scalable, AI-powered web and cloud applications. Over the past decade, I’ve delivered end-to-end solutions across fintech, healthcare, legal tech, and enterprise platforms, leveraging React, TypeScript, Node.js, Python, and cloud ecosystems. I enjoy turning complex requirements into secure, maintainable architectures and mentoring teams to reach new levels of engineering excellence. I excel at modernizing legacy systems, containerizing workloads with Docker and Kubernetes, and implementing robust CI/CD pipelines. My work blends strong frontend craftsmanship with strong backend optimization, including real-time APIs, AI/ML integrations, and data-driven decision support. I’m dedicated to collaborating with stakeholders to deliver user-centric, secure, and scalable solutions at scale.

Joseph Mendoza

Full Stack Developer, Web Developer, Front-End Developer, +4

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I am a senior software engineer with a passion for building scalable, AI-powered web and cloud applications. Over the past decade, I’ve delivered end-to-end solutions across fintech, healthcare, legal tech, and enterprise platforms, leveraging React, TypeScript, Node.js, Python, and cloud ecosystems. I enjoy turning complex requirements into secure, maintainable architectures and mentoring teams to reach new levels of engineering excellence. I excel at modernizing legacy systems, containerizing workloads with Docker and Kubernetes, and implementing robust CI/CD pipelines. My work blends strong frontend craftsmanship with strong backend optimization, including real-time APIs, AI/ML integrations, and data-driven decision support. I’m dedicated to collaborating with stakeholders to deliver user-centric, secure, and scalable solutions at scale.…I am a senior software engineer with a passion for building scalable, AI-powered web and cloud applications. Over the past decade, I’ve delivered end-to-end solutions across fintech, healthcare, legal tech, and enterprise platforms, leveraging React, TypeScript, Node.js, Python, and cloud ecosystems. I enjoy turning complex requirements into secure, maintainable architectures and mentoring teams to reach new levels of engineering excellence. I excel at modernizing legacy systems, containerizing workloads with Docker and Kubernetes, and implementing robust CI/CD pipelines. My work blends strong frontend craftsmanship with strong backend optimization, including real-time APIs, AI/ML integrations, and data-driven decision support. I’m dedicated to collaborating with stakeholders to deliver user-centric, secure, and scalable solutions at scale.

Available to hire

I am a senior software engineer with a passion for building scalable, AI-powered web and cloud applications. Over the past decade, I’ve delivered end-to-end solutions across fintech, healthcare, legal tech, and enterprise platforms, leveraging React, TypeScript, Node.js, Python, and cloud ecosystems. I enjoy turning complex requirements into secure, maintainable architectures and mentoring teams to reach new levels of engineering excellence.

I excel at modernizing legacy systems, containerizing workloads with Docker and Kubernetes, and implementing robust CI/CD pipelines. My work blends strong frontend craftsmanship with strong backend optimization, including real-time APIs, AI/ML integrations, and data-driven decision support. I’m dedicated to collaborating with stakeholders to deliver user-centric, secure, and scalable solutions at scale.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

English

Fluent

Work Experience

Senior Software Engineer at Airbnb

September 1, 2024 - November 26, 2025

Architected and deployed a low-code notification workflow platform using Next.js, TypeScript, and FastAPI, enabling non-technical teams to create and manage notifications without engineering support. Implemented LLM-based content generation with OpenAI and LangChain to personalize notifications and improve engagement. Built a drag-and-drop workflow builder with React Flow and integrated multi-channel messaging (Twilio, SendGrid, Firebase Cloud Messaging). Engineered scalable microservices with Python, asyncio, Kafka, MQTT, WebSocket, Redis, and Docker; established real-time observability with AWS CloudWatch, Prometheus, and Grafana; optimized API performance via Redis caching, gRPC, and OAuth 2.0/JWT RBAC on Kubernetes. Implemented CI/CD with GitHub Actions and Terraform; mentored junior developers.

Senior Full Stack Engineer at Cobalt brands

August 1, 2024 - August 1, 2024

Developed end-to-end luxury spirits and fragrances e-commerce platform using React 18, TypeScript, Next.js, Node.js, Express, and PostgreSQL. Built a supply chain management system with Golang microservices, RabbitMQ, and MongoDB to automate production scheduling across 10+ logistics partners. Implemented AI-powered customer assistant using OpenAI GPT-4, LangChain, Python FastAPI, and RAG with Azure Cognitive Search and Pinecone. Created compliance reporting pipelines with Python Celery to automate alcohol distribution reports and tax documentation. Integrated Stripe/PayPal payments and marketing automation via HubSpot and SendGrid. Built and optimized CI/CD with AKS and Azure DevOps; emphasized automated testing with Jest and pytest.

Full Stack Software Engineer at Octaria Software Development

January 1, 2023 - January 1, 2023

Delivered 10+ full-stack applications using React, Angular, TypeScript, Node.js, Python, Django, Java, and Golang. Designed event-driven microservices with AWS SQS, Lambda, EC2, RabbitMQ, and Kafka to boost throughput and enable horizontal scaling. Improved backend performance with Redis caching, connection pooling, indexing, and batch processing, reducing latency. Modernized legacy monoliths into containerized microservices with Docker, Kubernetes (EKS/AKS), and Helm for automated deployments and zero-downtime releases. Enhanced observability with AWS CloudWatch, Prometheus, Grafana, ELK Stack, and custom alerts. Implemented RBAC, OAuth 2.0/JWT, and AES-256 encryption to meet HIPAA/PCI-DSS; optimized PostgreSQL, MongoDB, and DynamoDB; collaborated with UI/UX to deliver responsive, accessible frontends.

Software Engineer at Microsoft

March 1, 2018 - March 1, 2018

Developed core features for Microsoft News platform using Angular, TypeScript, ASP.NET Core, and Azure SQL; implemented RxJS, NgRx, lazy loading, and AOT for scalable frontend architecture. Deployed services with Azure DevOps CI/CD pipelines, Docker containers, and AKS; created automated tests with xUnit.

Web Developer at IBM

April 1, 2016 - April 1, 2016

Implemented interactive data visualizations with React, TypeScript, Bootstrap, Chart.js, and D3.js for real-time dashboards. Built REST APIs using Java Spring Framework, Hibernate, and IBM Db2; upgraded multiple Java/Spring Boot applications to newer versions, reducing security vulnerabilities and CVEs. Deployed apps with Apache Tomcat, Jenkins CI/CD, and Maven; built a pipeline monitoring dashboard with real-time gas flow visualization.

Senior Full Stack Engineer at Cobalt brands

February 1, 2023 - August 1, 2024

Led end-to-end development of a luxury spirits e-commerce platform using React 18/TypeScript with Next.js 13 SSR, Node.js/Express, PostgreSQL (Prisma), and Azure. Delivered a high-performance UI for 100K+ monthly visitors with sub-2-second page loads and integrated Stripe/PayPal with OAuth 2.0, plus automated email marketing via HubSpot/SendGrid. Engineered an enterprise-grade supply chain system with Go microservices, RabbitMQ, MongoDB, Redis, and Docker, automating production scheduling and shipments across 10+ partners, reducing manual coordination by 65% and achieving 97% on-time delivery. Built an AI-powered customer assistant using GPT-4, LangChain, Python FastAPI, and retrieval-augmented search with Azure Cognitive Search and Pinecone, handling 5K+ inquiries monthly with 85% resolution accuracy and a 40% reduction in tickets. Automated compliance reporting across 25 jurisdictions with Python Celery and Azure Functions. Implemented CI/CD via Docker, AKS, Azure DevOps, GitHub Acti

Full Stack Software Engineer at Octaria Software Development

April 1, 2018 - January 31, 2023

Delivered 10+ full-stack enterprise applications across fintech, healthcare, and e-commerce using React, Angular, TypeScript, Node.js, Python, Django, Java, and Golang. Implemented scalable microservices on AWS (Lambda, EC2, SQS, EKS) with Kafka/RabbitMQ, Docker, and Kubernetes (Helm). Enabled horizontal scaling and zero-downtime deployments, supporting high-traffic workloads and boosting system throughput by 40%. Optimized performance with Redis caching, PostgreSQL replication, MongoDB sharding, and DynamoDB partitioning to sustain 3x traffic growth with sub-second response times. Implemented security and compliance (RBAC, OAuth 2.0, JWT, AES-256) to meet HIPAA and PCI-DSS. Built robust observability (CloudWatch, SNS, Prometheus, Grafana, ELK) and automated incident alerting, reducing MTTR by 60%. Led CI/CD pipelines with GitHub Actions and Jenkins and promoted testing with Jest, Pytest, Cypress, and JUnit, achieving 82% code coverage.

Software Engineer at Microsoft

July 1, 2015 - September 1, 2017

Developed core features for the Microsoft News platform using Angular, TypeScript, RxJS, NgRx, ASP.NET Core, C#, and Azure SQL. Delivered responsive frontend interfaces and RESTful APIs with performance optimizations (lazy loading, AOT, tree shaking) that reduced initial load times by 40% and supported web/mobile user engagement. Collaborated with product, UX, and backend teams in Agile sprints, contributed to frontend best practices, and ensured high code quality. Built and managed CI/CD pipelines with Azure DevOps, containerized via Docker, orchestrated with AKS, and monitored with Application Insights, achieving 80%+ code coverage and reliable service delivery.

Web Developer at IBM

November 1, 2014 - June 1, 2015

Developed interactive data visualization dashboards using React, TypeScript, Bootstrap, Chart.js, and D3.js for real-time monitoring. Built RESTful APIs with Java Spring, Hibernate, and IBM Db2, upgrading multiple Java and Spring Boot apps (Java 8 → 11, Spring Boot 3.x) to reduce vulnerabilities and CVEs by ~70%. Deployed on Apache Tomcat with CI/CD pipelines via Jenkins, Git, and Maven, ensuring streamlined deployment and high-quality releases in enterprise environments.