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Hi, I'm Tom Lewis, a Senior Software Engineer with a passion for building scalable and impactful healthcare and retail systems. I specialize in full stack development, cloud solutions, and AI integrations to help organizations optimize their operations and deliver better services. Over the years, I've collaborated with diverse teams and mentored junior engineers, always striving for clean, efficient, and secure code. I enjoy tackling complex technical challenges and continuously learning new technologies to drive innovation. Whether it's optimizing real-time data pipelines or architecting microservices on AWS, I bring dedication and a hands-on approach to every project. I'm excited to contribute my skills and experience to build solutions that truly make a difference.…Hi, I'm Tom Lewis, a Senior Software Engineer with a passion for building scalable and impactful healthcare and retail systems. I specialize in full stack development, cloud solutions, and AI integrations to help organizations optimize their operations and deliver better services. Over the years, I've collaborated with diverse teams and mentored junior engineers, always striving for clean, efficient, and secure code. I enjoy tackling complex technical challenges and continuously learning new technologies to drive innovation. Whether it's optimizing real-time data pipelines or architecting microservices on AWS, I bring dedication and a hands-on approach to every project. I'm excited to contribute my skills and experience to build solutions that truly make a difference.

Tom Lewis

Developer, Full Stack Developer, Back-End Developer, +2

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Hi, I'm Tom Lewis, a Senior Software Engineer with a passion for building scalable and impactful healthcare and retail systems. I specialize in full stack development, cloud solutions, and AI integrations to help organizations optimize their operations and deliver better services. Over the years, I've collaborated with diverse teams and mentored junior engineers, always striving for clean, efficient, and secure code. I enjoy tackling complex technical challenges and continuously learning new technologies to drive innovation. Whether it's optimizing real-time data pipelines or architecting microservices on AWS, I bring dedication and a hands-on approach to every project. I'm excited to contribute my skills and experience to build solutions that truly make a difference.…Hi, I'm Tom Lewis, a Senior Software Engineer with a passion for building scalable and impactful healthcare and retail systems. I specialize in full stack development, cloud solutions, and AI integrations to help organizations optimize their operations and deliver better services. Over the years, I've collaborated with diverse teams and mentored junior engineers, always striving for clean, efficient, and secure code. I enjoy tackling complex technical challenges and continuously learning new technologies to drive innovation. Whether it's optimizing real-time data pipelines or architecting microservices on AWS, I bring dedication and a hands-on approach to every project. I'm excited to contribute my skills and experience to build solutions that truly make a difference.

Available to hire

Hi, I’m Tom Lewis, a Senior Software Engineer with a passion for building scalable and impactful healthcare and retail systems. I specialize in full stack development, cloud solutions, and AI integrations to help organizations optimize their operations and deliver better services. Over the years, I’ve collaborated with diverse teams and mentored junior engineers, always striving for clean, efficient, and secure code.

I enjoy tackling complex technical challenges and continuously learning new technologies to drive innovation. Whether it’s optimizing real-time data pipelines or architecting microservices on AWS, I bring dedication and a hands-on approach to every project. I’m excited to contribute my skills and experience to build solutions that truly make a difference.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Work Experience

Senior Software Engineer at Boston Consulting Group

March 1, 2019 - Present

Led the development of healthcare-related software, including a COVID-19 case tracking system and AI-powered symptom checker with high diagnostic accuracy, significantly reducing ER visits. Migrated monolithic architecture to microservices on AWS with event-driven design, and built a health monitoring microservice for wearable devices. Implemented database optimization for PostgreSQL, Neo4j, and Cassandra to support millions of transactions daily. Developed React-based frontend with Next.js and TailwindCSS, improving UI performance and collaboration. Architected Kubernetes clusters on AWS EKS and standardized CI/CD pipelines with Docker and Jenkins. Integrated Salesforce Health Cloud for real-time patient data sync, created Snowflake datasets for dashboards, and built HIPAA-compliant healthcare systems with secure authentication and HL7 integration.

Full Stack Engineer at The Home Depot

February 28, 2019 - July 9, 2025

Architected a retail-grade, high-availability payment gateway using Node.js, Express, Angular, and GraphQL, ensuring 99.99% uptime for millions of daily transactions. Designed a fault-tolerant event-driven payment system with Kafka, AWS Lambda, and DynamoDB, reducing transaction failures by 40% during peak times. Developed real-time data pipelines with Apache Airflow and ELK stack for log aggregation and performance tracking across multiple data streams. Optimized payment authorization pipelines with Node.js, Redis, and gRPC, cutting processing times by 35% for faster checkouts.