I'm Leo Nomie, a Senior Full-Stack Engineer with 12+ years of experience delivering production-grade microservices, healthcare platforms, and enterprise SaaS across fintech and e-commerce. I lead with architecture and hands-on engineering, mentoring teammates and driving cross-functional collaboration from concept to shipping. I enjoy turning complex requirements into robust, secure, and high-performance solutions that align with product goals and business strategy.

I'm Leo Nomie, a Senior Full-Stack Engineer with 12+ years of experience delivering production-grade microservices, healthcare platforms, and enterprise SaaS across fintech and e-commerce. I lead with architecture and hands-on engineering, mentoring teammates and driving cross-functional collaboration from concept to shipping. I enjoy turning complex requirements into robust, secure, and high-performance solutions that align with product goals and business strategy.

Available to hire

I’m Leo Nomie, a Senior Full-Stack Engineer with 12+ years of experience delivering production-grade microservices, healthcare platforms, and enterprise SaaS across fintech and e-commerce.

I lead with architecture and hands-on engineering, mentoring teammates and driving cross-functional collaboration from concept to shipping. I enjoy turning complex requirements into robust, secure, and high-performance solutions that align with product goals and business strategy.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
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Language

English
Fluent

Work Experience

Senior Full-Stack Engineer at Equip
January 1, 2022 - Present
Led architecture and delivery of production microservices and health care platform services serving 500K+ users and handling 2.5M+ daily transactions with 99.9% uptime. Architected and shipped 3 full-stack microservices using Node.js, Express, React, and PostgreSQL with comprehensive monitoring and observability. Implemented a Redis caching layer that reduced infra costs by $15K annually and supported 3x concurrent users. Built a cross-platform React component library with 40+ reusable components, standardized across 5 Next.js apps, reducing frontend development time by 25%. Designed and deployed REST and GraphQL APIs for internal tools, with JWT and OAuth 2.0 authentication and no security incidents. Automated CI/CD pipelines with GitHub Actions, boosting deployment frequency from 1/week to 3-4/day and reducing deployment failures by 60%. Built AWS infrastructure (EC2, Lambda, RDS, API Gateway, CloudFront, EKS) for high availability and health checks. Mentored 3 junior engineers to mi
Senior Software Engineer at Corro Health
September 1, 2019 - December 1, 2021
Delivered enterprise HIPAA-compliant health care platform serving 50+ providers and 100K+ patients across multiple states. Engineered backend services and frontend features with PHI encryption, audit logging, and granular access controls achieving HIPAA compliance. Passed 2 SOC 2 Type II audits with zero findings, demonstrating commitment to security, availability, and confidentiality. Optimized database queries with execution plan analysis and a smart caching layer reducing query load by 50%, and migrated from a single PostgreSQL instance to read replicas enabling 3x concurrent users and improved performance. Containerized legacy monolith with Docker and Docker Compose; implemented an automated deployment pipeline reducing deployment time from 30 minutes to 5 minutes. Led full development lifecycle for 5+ health-care feature releases, collaborating with product and design teams to validate requirements within regulatory constraints.
Senior Software Engineer at Maverick's United
June 1, 2017 - August 1, 2019
Architected and delivered SaaS features for 15+ enterprise customers generating $500K+ in annual recurring revenue. Led migration of 30K+ lines of legacy jQuery code to modern React component architecture, improving maintainability and enabling 40% faster feature development. Engineered microservices using Node.js and Python implementing core business logic, designed API-first architecture supporting both web and mobile clients with consistent contracts. Implemented Redis distributed caching, reducing database queries by 60%, decreasing API response times from 2s to 400ms, and reducing infra costs by $15K annually. Established automated testing with Jest and Cypress achieving 70% code coverage and reducing production bugs by 45%. Built integrations with Stripe, Twilio, SendGrid, and Mailchimp enabling clients to automate operations at scale. Designed data models supporting millions of transactions across diverse industries, optimizing MongoDB and PostgreSQL schemas for scalability and
Full-Stack Engineer at Freelance / Remote
February 1, 2014 - March 1, 2017
Delivered 12+ full-stack SaaS features for startups and small businesses, with 8 apps becoming core revenue drivers generating $100K+ in combined annual revenue. Migrated 30K+ lines of legacy jQuery code to modern React component architecture to improve maintainability and accelerate feature delivery by 40%. Engineered microservices using Node.js and Python with REST and real-time notifications for high availability. Built responsive apps with React, Vue, and Angular, selecting frameworks based on project requirements and client constraints. Integrated third-party services including Stripe, Twilio, SendGrid, and Mailchimp to automate operations at scale. Designed data models supporting millions of transactions across multiple industries, optimizing MongoDB and PostgreSQL schemas for scalability and performance. Managed full project lifecycles from requirements gathering through deployment and maintenance, delivering on client needs and deadlines.
Senior Full-Stack Engineer
January 1, 2022 - Present
Led architecture and delivery of production microservices and healthcare platforms serving 500K+ users with 2.5M+ daily transactions and 99.9% uptime. Architected and shipped 3 full-stack microservices using Node.js, Express, React, and PostgreSQL with comprehensive monitoring. Optimized DB queries, implemented Redis caching, and designed a cross-platform React component library standardized across 5 Next.js apps. Designed REST and GraphQL APIs with JWT and OAuth 2.0 authentication and zero security incidents. Automated CI/CD with GitHub Actions; built and managed AWS infrastructure (EC2, Lambda, RDS, API Gateway, CloudFront, EKS). Mentored 3 junior engineers and established code review practices and engineering standards.
Full-Stack Engineer at Maverick's United
June 1, 2017 - August 1, 2019
Architected and delivered SaaS features for 15+ enterprise customers, generating $500K+ in annual recurring revenue. Migrated 30K+ lines of legacy query code to modern React-based architecture, improving code maintainability and enabling 40% faster feature development cycles. Engineered microservices with Node.js and Python, supporting payments and real-time notifications; integrated third-party services (Stripe, Twilio, SendGrid, Mailchimp) to automate operations at scale. Designed data models for millions of transactions, optimized MongoDB and PostgreSQL across multi-tenant environments. Led two junior engineers to mid-level roles within 18 months.
Software Engineer (Freelance)
February 1, 2014 - March 1, 2017
Delivered 12+ end-to-end web applications for startups and small businesses; 8 applications became core revenue drivers, generating over $100K+ in combined annual revenue. Engineered backend services with Node.js and Express and real-time notifications; built responsive single-page apps using React, Vue, and Angular; integrated Stripe, Twilio, SendGrid, and Mailchimp to automate operations at scale. Implemented data models across MongoDB and PostgreSQL; improved performance and reliability; mentored 2 junior engineers.

Education

Bachelor of Applied Science (BAS) in IT Networking & Cybersecurity at Everett Community College
January 11, 2030 - May 12, 2026
Bachelor of Applied Science (BAS) in IT Networking and Cybersecurity at Everett Community College
January 11, 2030 - May 12, 2026

Qualifications

HIPAA Compliance
January 11, 2030 - May 12, 2026
SOC 2 Type II
January 11, 2030 - May 12, 2026
SOC 2 Type II Audit
January 11, 2030 - May 12, 2026

Industry Experience

Software & Internet, Healthcare, Professional Services, Financial Services, Retail