John Moulder

Senior Software Engineer at Liberty Mutual

Created scalable, high-performance eCommerce SaaS solutions using React and other modern technologies to improve conversion, site performance, and user engagement. Developed custom Shopify themes and checkout flows reducing cart abandonment. Led migrations to modern front-end frameworks, improving speed and scalability. Implemented biometric login systems and OAuth2 platforms. Built API services with Node.js and TypeScript deployed via Kubernetes and Docker. Worked extensively with diverse backend technologies including .NET, Ruby on Rails, Java/Kotlin, Scala, Rust, and Python. Delivered cloud-native solutions, improved CI/CD pipelines, and optimized system security and uptime. Built and maintained mobile apps, multimedia ingestion platforms, and real-time gaming backends. Spearheaded AI and blockchain projects alongside extensive data engineering and microservices development.

Full Stack Developer at Infuse

Led development of scalable eCommerce and SaaS web applications using React, Angular, Vue.js, Python, and AWS. Delivered responsive front-end features and reusable Angular components. Spearheaded multiplayer game development with Unreal Engine and UEFN. Built scalable backend APIs with Laravel, Rust, and Python frameworks. Managed infrastructure provisioning with Terraform, CI/CD pipelines, and serverless deployments. Implemented real-time search solutions and patient management systems for healthcare projects, ensuring compliance with HIPAA and other standards. Migrated legacy systems and improved technical debt, delivering maintainable, efficient solutions across varied tech stacks.

Full Stack Developer at Createotech

Developed custom plugins and themes for WordPress and Shopify, boosting eCommerce conversion. Created Ruby on Rails applications and MVPs for startups using FastAPI and React/TypeScript. Streamlined infrastructure with Laravel Forge and Vapor on AWS. Implemented scalable microservices using Golang, Kafka, and Temporal.io. Automated cloud infrastructure provisioning and optimized ETL solutions for healthcare data warehouses on Azure and GCP. Led legacy migrations to microservices, optimizing databases and service containerization. Delivered healthcare and call center solutions involving real-time analytics, cloud orchestration, and AI-driven predictive analytics.

Data Engineer | Software Developer at SAP America

Delivered enterprise asset suite integrations and optimized relational/non-relational databases for high-throughput eCommerce systems. Developed GraphQL APIs and end-to-end data ingestion pipelines using ELK stack and Clickhouse. Managed cloud-native data infrastructure with Firebase, Supabase, and DynamoDB, ensuring security and high availability. Designed and optimized ETL pipelines using Snowflake, Azure Data Factory, and AWS Data Pipeline. Implemented search functionality with Elasticsearch and error handling across data reconciliations. Developed data models and forecasting ETL processes supporting lab and resource management projects.

Senior Software Engineer at Liberty Mutual

Developed scalable, performance-driven eCommerce SaaS solutions using React, Node.js, and Express.js. Led front-end modernization with semantic HTML5 and scalable CSS architectures. Built complex, animated web experiences and designed eCommerce platforms using TypeScript, React, and .NET. Customized Dynamics 365 Sales and Customer Service modules integrating complex business logic. Integrated AI modules including predictive lead scoring and intelligent chatbots using Azure AI and Power Platform. Designed multi-tenant identity platforms with OAuth2 and WebAuthn biometrics. Built APIs deployed via Docker/Kubernetes on AWS. Transformed legacy applications improving performance by 10%. Developed scalable microservices with Java and Spring Boot, integrating PostgreSQL and Redis for high-performance enterprise systems. Constructed real-time streaming event-driven architectures with Apache Kafka. Migrated legacy frontends simplifying state management from React to Svelte. Automated Kubernetes

Full Stack Developer at Infuse

Led the implementation of scalable HTML5-based web applications for eCommerce solutions integrating real-time data and advanced UI features. Developed dynamic single page applications with React for eCommerce and SaaS platforms. Created full-stack journal apps enhancing security with encryption. Delivered high-quality frontend features with TypeScript and Angular. Refactored legacy JavaScript to modern Angular with TypeScript. Built identity verification workflows integrating OAuth2 and FIDO2. Developed RESTful APIs with Laravel integrating real-time search powered by Elasticsearch. Administered Microsoft Office 365 environments supporting Exchange Online, SharePoint, and Teams. Built healthcare-focused data pipelines ingesting unstructured provider notes and structured HL7/FHIR messages. Managed application hosting and deployment workflows with Laravel Forge and Vapor ensuring seamless CI/CD and serverless deployment. Designed custom plugins and optimized PHP scripts for server-side p

Full Stack Developer at Create Otech

Developed custom plugins and themes for WordPress and Shopify. Built Ruby on Rails applications managing customer contracts and reporting systems. Migrated legacy ETL scripts to Python-based solutions improving logging and error handling. Scaled Shopify Plus stores with custom themes and API integrations enhancing personalized shopping and multi-currency support. Built scalable web applications using Laravel PHP, managing seamless server provisioning and automated deployments with Laravel Forge and Vapor. Implemented microservice architecture with Node.js and GraphQL ensuring modular and maintainable code. Automated infrastructure provisioning using Terraform, enabling consistent cloud deployments across multiple environments. Led migration of microservices to GCP using Kubernetes and Cloud Run resulting in 40% faster deployments. Developed high-performance, concurrent systems in Golang utilizing goroutines and channels for efficient task parallelization.

Data Engineer | Software Developer at SAP America

Designed and optimized relational and non-relational databases including MySQL, PostgreSQL, and MongoDB with advanced indexing strategies, partitioning, and replication for high-throughput eCommerce systems. Developed and maintained GraphQL APIs integrated with diverse data sources such as Neo4j, Redis, and MariaDB enabling flexible, scalable querying for product catalogs and customer data platforms. Architected end-to-end data ingestion pipelines using the ELK stack and ClickHouse for real-time analytics and operational insights across distributed microservices. Developed, optimized ETL pipelines in Azure Data Factory to process large-scale healthcare datasets for state projects. Managed Snowflake as primary data warehouse and implemented data models supporting capacity planning, schedule optimization, and quality assurance projects. Developed search functionality and data reconciliation logic using Elasticsearch. Ensured reliable pipeline error handling and recovery notifications mai

Senior Software Engineer at Liberty Mutual

Created scalable, performance-driven eCommerce SaaS solutions using React, Node.js, and Express.js; led frontend modernization with semantic HTML5 and CSS architectures; built complex eCommerce platforms using TypeScript, React, and .NET; implemented CI/CD pipelines; integrated data flows incorporating AI/ML insights; deployed on AWS/Kubernetes; mentored teams across multi-discipline squads.

Full Stack Developer at Infuse

Led full-stack modernization of a SaaS solution using React, Node.js, and .NET; built scalable eCommerce portals; implemented RESTful services with TypeScript and JavaScript; integrated with PostgreSQL, Redis, MongoDB, ElasticSearch; set up CI/CD pipelines on AWS with Kubernetes; developed marketing landing pages and eCommerce workflows; migrated legacy apps to microservices.

Senior Software Engineer at SAP America

Designed and optimized relational and non-relational databases (MySQL, PostgreSQL, MongoDB); built REST/GraphQL APIs; migrated legacy systems to modern stacks; integrated ElasticSearch for advanced search capabilities; ensured HIPAA-compliant data handling; developed enterprise-grade eCommerce and health-care data workflows.

Senior Software Engineer at Liberty Mutual

Led development of scalable, performance-driven eCommerce SaaS solutions using React, Node.js, and Express.js; modernized front-end and back-end architectures, implemented CI/CD pipelines, and delivered interactive dashboards and real-time capabilities across enterprise systems.

Full Stack Developer at Infuse

Led full-stack development for SaaS products, implementing modern frontend (TypeScript, React) and backend services; migrated legacy systems to microservices, built RESTful and GraphQL APIs, and deployed on AWS with Docker and Kubernetes.

Software Developer at SAP America

Designed and optimized relational and non-relational databases (MySQL, PostgreSQL, MongoDB, Oracle, MSSQL); developed GraphQL APIs and REST/SOAP web services using Java, Spring Boot/MVC, and Hibernate; implemented ETL pipelines and integrated external insurance APIs.

Senior Software Engineer at Liberty Mutual

Led frontend and backend modernization; built scalable SaaS solutions using React, Node.js, and Express.js; implemented AI/ML-enabled workflows and real-time data processing; established CI/CD pipelines with GitHub Actions; integrated AI services into enterprise insurance workflows; migrated multi-tenant architecture to cloud-native deployments; designed and consumed RESTful APIs and data services; mentored junior engineers and drove cross-functional collaboration.

Full Stack Developer at InFuse

Led end-to-end ecommerce SaaS development; modernized frontend with React/TypeScript, built backend services with Node.js/Express, and implemented scalable data pipelines using PostgreSQL, Redis, and MongoDB; deployed cloud infrastructure via Terraform on AWS; implemented microservices architecture and Docker/Kubernetes-based deployments; integrated AI capabilities and real-time data streaming for order processing.

Senior Software Engineer at SAP America

Developed backend and data integration features in a large enterprise environment; designed GraphQL APIs and integrated Neo4j, Redis, and MariaDB; built ETL pipelines, migrated legacy data to Snowflake, and implemented real-time analytics dashboards; implemented CI/CD pipelines and secure data handling compliant with HIPAA/GDPR standards; contributed to RESTful services and cloud integration (AWS).

Senior Software Engineer at Liberty Mutual

Led development of scalable, performance-driven ecommerce SaaS solutions using React, Node.js, and Express.js; implemented front-end modernization with semantic HTML5 and CSS architectures; built back-end services with .NET stack; integrated external APIs and ERP systems; designed multi-tenant architectures; established CI/CD pipelines with GitHub Actions and Terraform; deployed on AWS with Kubernetes and Docker; developed AI-enabled workflows for claims processing; ensured HIPAA-compliant health-care portals and e-commerce capabilities; collaborated on data pipelines, ML modeling, and client-facing dashboards for operational efficiency.

Full Stack Developer at Infuse

Led front-end modernization using React + TypeScript; built scalable E2E SaaS ecommerce platform; implemented microservices-era architecture with Node.js, Express, and .NET; developed REST/GraphQL APIs; integrated PostgreSQL, Redis, and AWS services; established CI/CD pipelines and Terraform-based infrastructure provisioning; contributed to AI/ML features and real-time data processing.