William Elliott

Senior Software Engineer at UnitedHealth Group

Designed and built back-end microservices for Optum Claims Manager, a SaaS health care platform, using Node.js, Express, REST APIs and PostgreSQL; improved claims adjudication performance by 22% and generated $3.1M annual savings. Delivered front-end features with Next.js, TypeScript and Material UI, including real-time dashboards and advanced search. Implemented HIPAA-compliant security controls using AWS KMS, Spring Security, and encrypted PostgreSQL, reducing audit findings by 20%. Developed health care workflow features such as telehealth integration, appointment scheduling, and electronic prior authorization support, improving patient-provider coordination and reducing administrative overhead by 18%. Automated cloud infrastructure and deployment pipelines with AWS, Docker, Jenkins, Terraform, enabling secure, scalable SaaS deployments with zero downtime and 40% faster release cycles.

Software Engineer at Shopify

Developed back-end services for Shopify’s core e-commerce platform, built with Ruby and MySQL, enabling management of online stores, product catalogs, and order processing for over 1 million merchants worldwide. Implemented front-end features using React, TypeScript and the Polaris Design System, enhancing store customization and checkout workflows, contributing to a 12% increase in conversion rates. Delivered scalable solutions for features including discount engine, inventory management, and multi-currency support, improving platform flexibility for global merchants and driving higher sales. Streamlined deployment and monitoring with Kubernetes, Docker and Google Cloud Platform, improving system reliability and reducing downtime by 25% during high-traffic sales periods.

Senior Software Engineer at UnitedHealth Group

Design and develop backend microservices for Optum Claims Manager, a SaaS health care platform, using Node.js, Express, REST APIs, and PostgreSQL. Implemented HIPAA-compliant data security controls with AWS KMS, Spring Security, and encrypted PostgreSQL, ensuring secure handling of PHI and reducing audit findings by 20%. Delivered front-end features with Next.js, TypeScript, and Material-UI, including real-time claims dashboards and advanced search, boosting analyst productivity by 30% for 10,000+ health care staff. Built and maintained scalable APIs and WebSocket-based streaming endpoints across Node.js microservices, enabling real-time monitoring and secure, low-latency data processing. Integrated ML-enabled insights using Python-based ML frameworks to augment enterprise workflows. Deployed cloud-native architectures on AWS with Docker, Kubernetes, and Terraform; automated pipelines with GitHub Actions; improved release cycles by 40% and reduced mean time to resolution for production

Software Engineer at Shopify

Developed backend services for Shopify’s core e-commerce platform (Ruby, MySQL) enabling online stores, product catalogs, and order processing for millions of merchants. Implemented front-end features using React, TypeScript, and the Polaris design system to enhance store customization and checkout flows. Delivered scalable features including discount engine, inventory management, and multi-currency support. Led deployment and tooling improvements using Kubernetes, Docker, and Google Cloud Platform to increase reliability and performance, contributing to higher conversion and merchant satisfaction.

Staff Software Engineer at Snowflake

Designed and built a secure, scalable Data Cloud platform for high-throughput data ingestion and event processing, enabling real-time data sharing, large-scale collaboration, and enterprise-grade load balancing across 500+ organizations. Contributed to 20% annual revenue growth.

Senior Software Engineer at UnitedHealth Group

Designed and developed backend microservices for Optum Claims Manager, a SaaS health care platform, using Node.js, Express, REST APIs and PostgreSQL. Improved claims adjudication performance by 22% and generated $3.1M in annual cost savings.

Software Engineer at Shopify

Developed backend services for Shopify's core e-commerce platform using Ruby and MySQL, enabling online store management, product catalogs, and order processing for 1 million+ merchants worldwide. Implemented frontend features with React, TypeScript, and Polaris Design System to enhance store customization and checkout workflows, contributing to a 12% increase in conversion rates.

Software Engineer at Shopify

Developed backend services for Shopify's core e-commerce platform using Ruby and MySQL, enabling management of online stores, product catalogs, and orders. Implemented frontend features with React, TypeScript, and Polaris Design System to enhance store customization and checkout experiences, contributing to higher conversion rates. Built scalable features for discounts, inventory, and multi-currency support, and streamlined deployments to improve reliability and developer productivity.

Senior Software Engineer at UnitedHealth Group

Designed and developed backend microservices for Optum Claims Manager SaaS healthcare platform using Node.js, Express, REST APIs, and PostgreSQL. Improved claims adjudication performance by 22% and generated annual cost savings of $3.1M. Delivered front-end features with TypeScript and Material-UI, including real-time dashboards and advanced search to boost analyst productivity.

Senior Software Engineer at UnitedHealth Group

Designed and developed back-end microservices for Optum Claims Manager SaaS health care platform, using Node.js, Express, REST APIs and PostgreSQL; HIPAA-compliant data security, improved claims adjudication performance, and enabled real-time analytics; supported large-scale data ingestion and event processing with microservices and security services.

Software Engineer at Shopify

Developed back-end services for Shopify's core e-commerce platform built with Ruby and MySQL, enabling online store management, product catalogs, and order processing for over 1 million merchants worldwide. Implemented front-end features using React, TypeScript and Polaris Design System, enhancing store customization and checkout UX; delivered scalable solutions for features such as discount engine, inventory management and multi-currency support.

Staff Software Engineer at Snowflake

Designed and built secure, scalable data ingestion and event-processing backend architecture using Node.js and Express. Implemented RESTful and WebSocket endpoints across multiple microservices to support real-time analytics for 500+ organizations. Integrated Python-based ML extensions with external functions to enable real-time ML-driven insights. Managed cloud-native deployments with Kubernetes, Terraform, and AWS; implemented monitoring with Prometheus, Grafana, and DataDog. Reduced processing time by 60% and improved overall system efficiency by 25%. Mentored senior engineers and promoted cross-functional collaboration across teams.

Software Engineer at Shopify

Developed backend services for Shopify’s core e-commerce platform using Ruby and MySQL, enabling management of online stores, product catalogs, and orders for 1M+ merchants worldwide. Implemented front-end features with React, TypeScript, and Polaris Design System, enhancing store customization and checkout workflows and contributing to a 12% increase in conversion rates. Delivered scalable solutions for multi-currency support and complex discount logic, improving platform flexibility for global merchants.

Senior Software Engineer at UnitedHealth Group

Designed backend microservices for Optum Claims Manager SaaS using Node.js/Express and PostgreSQL, improving claims adjudication performance by 22% and generating $3.1M in annual cost savings. Delivered real-time claims dashboards and enhanced search capabilities with modern front-end tech, while implementing HIPAA-compliant data security controls and encryption for PHI to reduce audit findings by 20%.

Senior Software Engineer at UnitedHealth Group

Designed and built a scalable data cloud platform for high-throughput data pipelines enabling real-time data sharing and enterprise-grade workloads across 500+ organizations; integrated Snowflake external functions and ML extensions for secure, low-latency access to TensorFlow and PyTorch models; implemented monitoring and CI/CD improvements.

Software Engineer at Shopify

Developed backend services for Shopify's core e-commerce platform using Ruby and MySQL; implemented front-end features with React, TypeScript and Material-UI; improved checkout workflows and multi-currency/inventory support to boost conversion and scalability.

Staff Software Engineer at Snowflake

Designed and maintained a scalable Data Cloud platform for high-throughput data pipelines and real-time analytics, enabling secure data sharing and enterprise-grade workloads across 500+ organizations, contributing to double-digit annual revenue growth. Engineered scalable back-end architecture for real-time data ingestion and event processing using Java, with microservices in Golang, Node.js, and Python to support streaming, real-time APIs, and ML integration, reducing processing time by 60% and boosting system efficiency by 25%. Developed and maintained REST APIs across multiple microservices built with Spring Boot, enabling secure, scalable health data processing, real-time clinical events, and ML-driven predictive services. Built modular frontend dashboards with React, TypeScript, and Tailwind CSS and introduced micro-frontends for improved usability by clinical, engineering and operations teams. Integrated Snowflake External Functions and Snowpark APIs with Python-based AI/ML exte

Senior Software Engineer at UnitedHealth Group

Designed and developed back-end microservices for Optum Claims Manager, a SaaS health care platform, using Java, Spring Boot, REST APIs and PostgreSQL, improving claims adjudication performance by 22% and generating annual cost savings of $3.1M. Delivered front-end features with Next.js, TypeScript and Material UI, including real-time claims dashboards and advanced search functionality, boosting productivity for over 10,000 health care analysts by 30%. Implemented HIPAA-compliant data security controls using AWS KMS, Spring Security, and encrypted PostgreSQL, reducing audit findings by 20%. Developed health care workflow features such as telehealth integration, appointment scheduling, and electronic prior authorization, improving patient-provider coordination and reducing administrative overhead by 18%. Automated cloud infrastructure provisioning and deployment pipelines with AWS, Docker, Jenkins and Terraform, enabling secure, reliable SaaS deployments with zero downtime and 40% faste

Software Engineer at Shopify

Developed back-end services for Shopify's core e-commerce platform, built with Ruby and MySQL, enabling management of online stores, product catalogs, and order processing for over 1 million merchants worldwide. Implemented front-end features using React, TypeScript and the Polaris Design System, enhancing store customization and checkout workflows and contributing to a 12% increase in conversion rates. Delivered scalable solutions for key features including discount engine, inventory management, and multi-currency support, improving platform flexibility for global merchants and driving higher sales volume. Streamlined deployment and monitoring using Kubernetes, Docker and Google Cloud Platform, improving system reliability and reducing downtime by 25% during high-traffic sales periods.

Staff Software Engineer at Snowflake

Designed and built a secure, scalable Data Cloud platform for high-throughput data pipelines and advanced analytics, enabling real-time data sharing and large-scale collaboration across 500+ organizations, contributing to 20% annual revenue growth. Engineered scalable backend architecture for real-time data ingestion and event processing using Java, Golang, Python, and Node.js; built microservices and supported ML model integration with Python-based extensions; integrated Snowflake External Functions and Snowpark APIs to provide secure, low-latency access to TensorFlow and PyTorch models; deployed on AWS with Kubernetes and Terraform, and implemented serverless components. Established robust monitoring with DataDog, Prometheus and Grafana; mentored senior and mid-level engineers and promoted engineering best practices.

Senior Software Engineer at UnitedHealth Group

Designed and developed backend microservices for Optum Claims Manager SaaS healthcare platform using Java, Spring Boot, REST APIs and PostgreSQL, improving claims adjudication performance and generating annual cost savings of $3.1M. Delivered real-time claims dashboards and advanced search features with Next.js, TypeScript and Material-UI; implemented HIPAA-compliant data security using AWS KMS and Spring Security; added telehealth integration, appointment scheduling, and electronic prior authorization workflows; improved patient-provider coordination and reduced administrative overhead by 18%.

Software Engineer at Shopify

Developed backend services for Shopify's core e-commerce platform, built with Ruby and MySQL, enabling online store management, product catalogs, and order processing for over 1 million merchants worldwide. Implemented frontend features using React, TypeScript and the Polaris Design System, improving store customization and checkout workflows and contributing to a 12% increase in conversion rates. Delivered scalable solutions for discount engine, inventory management, and multi-currency support, improving platform flexibility for global merchants and driving higher sales. Streamlined deployment and monitoring using Kubernetes, Docker and Google Cloud Platform, improving reliability and reducing downtime during high-traffic sales periods.

Staff Software Engineer at Snowflake

Designed and built scalable data-cloud platform features for high-throughput data pipelines and analytics, enabling real-time data sharing and large-scale collaboration across 500+ organizations, contributing to 20% annual revenue growth. Engineered scalable backend architecture for real-time data ingestion and event processing using Java, Go, Node.js and Python, powering core data pipelines and security services with additional microservices in Go and Node.js to support streaming, real-time APIs, and ML model integration, reducing processing time by 60% and boosting system efficiency by 25%. Built a modular, component-driven front-end delivering intuitive dashboards with React, TypeScript, Tailwind CSS, and micro-frontends to improve usability for engineering and operations teams. Integrated Snowflake External Functions and Snowpark APIs with Python-based AI/ML extensions to enable secure, low-latency access to TensorFlow and PyTorch models, accelerating AI/ML workflow delivery for en

Senior Software Engineer at UnitedHealth Group

Designed and developed back-end microservices for Optum Claims Manager, a SaaS health care platform, using Java, Spring Boot, REST APIs and PostgreSQL, improving claims adjudication performance by 22% and generating annual cost savings of $3.1M. Delivered front-end features with Next.js, TypeScript and Material UI, including real-time claims dashboards and advanced search functionality, boosting productivity for over 10,000 health care analysts by 30%. Implemented HIPAA-compliant data security controls using AWS KMS and Spring Security, with encrypted PostgreSQL, reducing audit findings by 20%. Developed health care workflows such as telehealth integration, appointment scheduling, and electronic prior authorization, improving patient-provider coordination and reducing administrative overhead by 18%. Automated cloud infrastructure provisioning with Kubernetes, Terraform and serverless components, enabling secure, reliable SaaS deployments with faster release cycles. Integrated monitorin

Software Engineer at Shopify

Developed back-end services for Shopify’s core e-commerce platform using Ruby and MySQL, enabling management of online stores, product catalogs, and order processing for over 1 million merchants worldwide. Implemented front-end features with React, TypeScript and the Polaris Design System, enhancing store customization and checkout workflows, contributing to improvements in conversions. Delivered scalable features including discount engine, inventory management, and multi-currency support to improve platform flexibility for global merchants. Streamlined deployment and monitoring processes using Kubernetes, Docker and Google Cloud Platform, improving system reliability and reducing downtime by 25% during high-traffic sales periods.

Staff Software Engineer at Snowflake

Designed and built a secure, scalable Data Cloud platform for high-throughput data pipelines and advanced analytics, supporting real-time data sharing, large-scale collaboration, and enterprise-grade loads across 500+ organizations, contributing to 20% annual revenue growth.

Senior Software Engineer at UnitedHealth Group

Designed and developed backend microservices for Optum Claims Manager SaaS healthcare platform using Java, Spring Boot, REST APIs and PostgreSQL, improving claims adjudication performance by 22% and generating annual cost savings of $3.1M. Delivered front-end features with Next.js, TypeScript and Material-UI to support real-time clinical events and ML-driven predictions.

Software Engineer at Shopify

Developed back-end services for Shopify’s core e-commerce platform (Ruby, MySQL) enabling management of online stores, product catalogs, and orders for over 1 million merchants. Implemented front-end features with React, TypeScript and the Polaris Design System to enhance store customization and checkout workflows.

Staff Software Engineer at Snowflake

Designed and built a secure, scalable data cloud platform for end-to-end data pipelines and advanced analytics, supporting real-time data sharing, large-scale collaboration, and enterprise-grade workloads across 500+ organizations, contributing to 20% annual revenue growth. Engineered scalable back-end microservice architecture for real-time data ingestion and event-driven processing using Python, Django, and asynchronous frameworks like Celery, powering core data pipelines and security services, while supporting high-volume data streaming, real-time APIs, and ML model integration, reducing processing time by 60% and boosting system efficiency by 25%. Developed robust RESTful and GraphQL APIs using Django, supporting secure, low-latency integration for healthcare data exchange, real-time clinical events, and AI-powered predictive services, with strict adherence to HIPAA and industry security standards. Built modular, component-driven front-end tools and monitoring dashboards with React

Senior Software Engineer at UnitedHealth Group

Designed and developed back-end microservices for Optum Claims Manager, a SaaS health care platform, using Python, Django, REST APIs and PostgreSQL, improving claims adjudication performance by 22% and generating annual cost savings of $3.1M. Delivered front-end features with Next.js, TypeScript and Material UI, including real-time claims dashboards and advanced search functionality, boosting productivity for over 10,000 health care analysts by 30%. Implemented HIPAA-compliant data security controls using AWS KMS, Spring Security, and encrypted PostgreSQL, ensuring secure handling of PHI and reducing audit findings by 20%. Developed health care workflow features such as telehealth integration, appointment scheduling, and electronic prior authorization support, improving patient-provider coordination and reducing administrative overhead by 18%. Automated cloud infrastructure and deployment pipelines with AWS, Docker, Jenkins and Terraform, enabling secure, reliable SaaS deployments with

Software Engineer at Shopify

Developed back-end services for Shopify’s core e-commerce platform, built with Ruby and MySQL, enabling management of online stores, product catalogs, and order processing for over 1 million merchants worldwide. Implemented front-end features using React, TypeScript and the Polaris Design System, enhancing store customization and checkout workflows, contributing to a 12% increase in conversion rates. Delivered scalable solutions for key features including discount engine, inventory management, and multi-currency support, improving platform flexibility for global merchants and driving higher sales volumes. Streamlined deployment and monitoring processes using Kubernetes, Docker and Google Cloud Platform, improving system reliability and reducing downtime by 25% during high-traffic sale periods.

Staff Software Engineer at Snowflake

Designed and built a secure, scalable Data Cloud platform for high-throughput data pipelines and advanced analytics, enabling real-time data sharing and large-scale collaboration across 500+ organizations, contributing to 20% annual revenue growth. Engineered scalable backend microservices for real-time data ingestion and event-driven processing using Python, Django, Celery, and asynchronous frameworks, reducing processing time by 60% and increasing system efficiency by 25%. Developed RESTful and GraphQL APIs with Django for HIPAA-compliant health data exchange and AI-powered predictive services. Built modular frontend tools with React, TypeScript, and Tailwind CSS, delivering micro-frontends for clinical, engineering, and operations teams. Enabled AI/ML integration by exposing TensorFlow and PyTorch models via Django and Snowflake features, delivering real-time insights to enterprise health-care clients. Managed scalable AWS infrastructure with Kubernetes, Terraform, and serverless co

Senior Software Engineer at UnitedHealth Group

Designed and developed backend microservices for Optum Claims Manager SaaS using Python, Django, REST APIs, and PostgreSQL; improved claims adjudication performance by 22% and generated $3.1M annual cost savings. Delivered front-end features with Next.js, TypeScript, and Material UI, including real-time claims dashboards, boosting productivity for 10,000+ health care analysts by 30%. Implemented HIPAA-compliant data security controls using AWS KMS, Spring Security, and encrypted PostgreSQL, reducing audit findings by 20%. Developed health care workflows such as Telehealth integration, appointment scheduling, and electronic prior authorization, improving patient-provider coordination and reducing admin overhead by 18%. Automated cloud provisioning with AWS, Docker, Jenkins, and Terraform, enabling secure, reliable SaaS deployments with zero downtime and 40% faster release cycles.

Software Engineer at Shopify

Developed backend services for Shopify's core e-commerce platform (Ruby, MySQL) enabling online store management, product catalogs, and order processing for 1M+ merchants. Implemented front-end features using React, TypeScript and Polaris Design System, improving store customization and checkout workflows, contributing to 12% higher conversions. Delivered scalable features like discount engine, inventory management, and multi-currency support, increasing platform flexibility for global merchants. Streamlined deployment and monitoring with Kubernetes, Docker and Google Cloud Platform, reducing downtime during high-traffic sales by 25%.

Staff Software Engineer at Snowflake

Designed and built Snowflake’s Ecommerce Marketplace platform, a secure microservice-based system for real-time product discovery and transactions, enabling seamless collaboration between 300+ enterprise sellers and driving a 35% increase in marketplace transaction volume. Engineered scalable backend architecture for catalog management, secure checkout, and order processing using Ruby with microservices in Golang, Node.js, and Python, powering real-time recommendations and payment processing; reduced average transaction time by 50% and increased buyer conversion by 18%. Developed REST APIs across Ruby on Rails microservices for product listings, shipping carts, real-time pricing, and recommendations. Built modular front-ends with React, TypeScript, and Tailwind CSS, delivering seller dashboards and admin tools with micro-frontends improving seller usability by 40%. Integrated OpenAI language models with Snowflake Marketplace using External Functions and Snowpark, enabling intelligent

Senior Software Engineer at UnitedHealth Group

Designed and developed back-end microservices for Optum Claims Manager, a SaaS health care platform, using Java, Spring Boot, REST APIs and PostgreSQL, improving claims adjudication performance by 22% and delivering annual cost savings of $3.1M. Delivered front-end features with Next.js, TypeScript and Material UI, including real-time claims dashboards and advanced search, boosting productivity for over 10,000 health care analysts by 30%. Implemented HIPAA-compliant data security controls using AWS KMS, Spring Security, and encrypted PostgreSQL, reducing audit findings by 20%. Developed telehealth integration, appointment scheduling, and electronic prior authorization features, improving patient-provider coordination and reducing administrative overhead by 18%. Automated cloud infrastructure and deployment pipelines with AWS, Docker, Jenkins and Terraform, enabling secure deployments with zero downtime and a 40% faster release cycle.

Software Engineer at Shopify

Developed back-end services for Shopify’s core e-commerce platform, built with Ruby and MySQL, enabling management of online stores, product catalogs, and order processing for over 1 million merchants. Implemented front-end features using React, TypeScript and the Polaris Design System, enhancing store customization and checkout workflows and contributing to a 12% increase in conversion rates. Delivered scalable solutions for discount engine, inventory management, and multi-currency support, improving platform flexibility for global merchants. Streamlined deployment and monitoring processes using Kubernetes, Docker and Google Cloud Platform, reducing downtime by 25% during high-traffic sales periods.

Software Engineer at Shopify

Developed back-end services for Shopify’s core e-commerce platform using Ruby and MySQL to manage online stores, product catalogs, and orders for over 1 million merchants. Implemented front-end features with React, TypeScript, and the Polaris Design System, improving store customization and checkout workflows and contributing to a 12% uplift in conversions. Delivered scalable features for discounting, inventory, and multi-currency support, enhancing global selling capabilities and overall marketplace performance.

Senior Software Engineer at UnitedHealth Group

Designed and developed backend microservices for Optum Claims Manager using Java, Spring Boot, REST APIs, and PostgreSQL; improved claims adjudication performance by 22% and achieved annual cost savings of $3.1M. Delivered real-time claims dashboards and advanced search with Next.js, TypeScript, and Material-UI, boosting analyst productivity by 30%. Implemented HIPAA-compliant data security controls with AWS KMS and Spring Security, reducing audit findings by 20%. Automated cloud deployment pipelines with AWS, Docker, Jenkins, and Terraform for secure, scalable SaaS releases with a shorter cycle. Led initiatives in tele-health integration, appointment scheduling, and electronic prior authorization to improve patient-provider coordination and reduce admin overhead by 18%.

Staff Software Engineer at Snowflake

Led the design and development of Snowflake Marketplace backend and microservices for real-time product discovery, transactions, and personalized shopping for 300+ enterprise sellers, driving a 35% increase in marketplace transaction volume. Engineered scalable backend architecture with Ruby, Golang, Node.js, and Python for product catalogs, pricing, and ML integrations, reducing average transaction time by 50% and boosting buyer conversion by 18%. Built a modular front-end with React, TypeScript, and Tailwind CSS; integrated OpenAI models via External Functions and Snowpark to enable intelligent search and automated customer support workflows, increasing buyer conversion by 22% and reducing manual support by 15%. Maintained AWS-based cloud infrastructure with Kubernetes, Terraform, and serverless services ensuring 99.98% availability. Implemented monitoring with DataDog, Prometheus, and Grafana and mentored engineers on distributed systems and secure coding practices.

Staff Software Engineer at Snowflake

Led the design and development of Snowflake's AI cloud-native data platform, delivering features such as real-time data sharing, multi-cloud support, and advanced security; enabled thousands of organizations to streamline data collaboration, reduced data governance complexity, and accelerated compliant data sharing across AWS, Azure, and Google Cloud, driving cross-cloud collaboration.

Senior Back End Engineer at UnitedHealth Group

Engineered data pipelines and backend services within Optum's health care platform using Python, Go, and AWS to process millions of health care transactions and real-time claims data, reducing processing time by 35% and improving data accuracy for over 30 million members. Designed scalable microservices for Optum Insight, enabling analytics and predictive insights, improving care gap identification and provider decision-making. Implemented cloud-based data integration from EHR systems, automating data flows and reducing manual data entry by 40%. Built secure APIs for HIPAA-compliant data exchange, improving collaboration and reducing data breach risk by 30%. Integrated AI-powered tooling to enable more efficient diagnosis and personalized care recommendations, contributing to patient satisfaction improvements. Mentored junior engineers and improved development efficiency by ~25%.

Software Engineer at Shopify

Developed and optimized backend services using Ruby on Rails and MySQL to enhance Shopify's e-commerce platform, supporting over 5 million merchants. Integrated third-party payment gateways and shipping APIs (Stripe, PayPal), reducing checkout times by 20%. Built and maintained APIs to integrate with major carriers (FedEx, UPS), improving order fulfillment capabilities. Worked in an agile environment with Git, Jenkins, and CI/CD practices to improve product quality and delivery.

Staff Software Engineer at Snowflake

Led design and development of scalable microservices for Snowflake's data platform, leveraging Python and Go to build high-performance back-end systems, reducing latency by 40%, and improving reliability, contributing to a 33% increase in customer satisfaction and faster platform adoption. Engineered and scaled real-time data sharing using Apache Kafka and streaming APIs to enable fast, reliable data exchanges with zero downtime, reducing decision-making delays by 25% and accelerating data-driven insights for enterprise clients by ~30%. Integrated Snowflake ML with data pipelines to deliver predictive insights, and designed ELT/ETL pipelines leveraging Snowflake, Dynamic Tables, and dbt to automate data integration with 30% better quality and 40% faster insights. Built a React-based data visualization layer, improving load times by 50% and reducing user interaction delays by 40%. Implemented cloud-agnostic data solutions across AWS, Azure, and Google Cloud to optimize data transfer and

Senior Backend Engineer at UnitedHealth Group (Optum)

Engineered data pipelines and optimized backend services within Optum's health care platform using Python, Go, and AWS to process 3 million health care transactions and real-time claims data, reducing processing time by 35% and improving data accuracy for over 30 million members. Designed and implemented scalable microservices for health care analytics, delivering predictive insights that improved care gap identification by 20% and enhanced provider decision-making. Led cloud-based data solutions with HIPAA-compliant data governance, automating data ingestion and privacy controls. Collaborated with cross-functional teams to integrate AI-powered tools for diagnostics and personalized care recommendations, achieving a 15% increase in patient satisfaction platform-wide. Mentored junior engineers and conducted code reviews to maintain high-quality, compliant code, boosting development efficiency by 25%.

Software Engineer at Shopify

Developed and optimized backend services using Ruby on Rails and MySQL to support Shopify's e-commerce platform for over 5 million merchants, improving scalability and performance. Integrated third-party payment gateways and shipping APIs (Stripe, PayPal), streamlining transactions and reducing checkout times by 20%. Built and maintained APIs to integrate with major carriers (FedEx, UPS), enhancing order fulfillment for merchants. Worked in an agile team, following best practices in software development, version control (Git), and CI (Jenkins), contributing to higher productivity and product quality.

Software Engineer at Shopify

Developed and optimized back-end services using Ruby on Rails and MySQL to enhance Shopify's e-commerce platform, improving scalability and performance for over 5 million global merchants.

Senior Backend Engineer at UnitedHealth Group

Engineered data pipelines and optimized backend services within Optum's health care platform, leveraging Python, Go (Golang) and AWS to process 3 million health care transactions and real-time claims data, reducing processing time by 35% and improving data accuracy for over 30 million members.