Stelm at ,S enio r F ull- S ta ck E ngin

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Work Experience

Senior Full Stack Software Architect at Red Roots United States
January 1, 2024 - Present
Constructed the startup’s core product from inception, delivering on schedule and within budget constraints. Formulated a scalable front-end architecture to enable rapid product development. Utilized technologies including React, TypeScript, PHP, and MySQL.
Senior Front-End Lead at Li fe.C hu rch United States
January 1, 2022 - January 1, 2023
Spearheaded migration from Google AMP to Next.js, achieving a reported 60% reduction in load times through dynamic routing, component-level lazy loading, and Webpack optimization. Reviewed all pull requests to enforce team-wide standards and ensure high-quality code output. Provided cross-team mentorship, offering technical support, code pairing, and process guidance.
Senior Full Stack Software Engineer at Syn genta Switzerland
January 1, 2022 - January 1, 2025
Designed a modular, cloud-native web application for managing agricultural sales quotas and real-time performance analytics. Engineered scalable RESTful APIs using Node.js and Express with a layered architecture and OpenAPI specification for maintainability. Integrated Sequelize ORM with MySQL, optimizing complex joins and using connection pooling for high-concurrency scenarios. Deployed services in Docker containers orchestrated by ECS Fargate with health checks and autoscaling policies. Implemented JWT-based authentication, role-based access control (RBAC), and Redis-backed blacklists; applied rate limiting and API gateway throttling to uphold uptime and security. Led CI/CD integration using GitHub Actions with automated unit tests, linting, and Terraform validations.
Senior Full Stack Software Architect at Entertainm ent Partners United States
January 1, 2022 - January 1, 2024
Architected synchronous, event-driven data pipelines using Apache Kafka to ensure real-time data consistency across multiple enterprise-grade financial platforms. Delivered highly available, distributed microservices using .NET Core and Java, integrating with PostgreSQL and MSSQL databases. Applied Domain-Driven Design (DDD) principles and leveraged CQRS to decouple command and query logic. Implemented schema validation, topic partitioning, and consumer group management to optimize message throughput at scale.
Lead Front-End Software Engineer at Fig ure 1 United States
January 1, 2021 - January 1, 2022
Directed front-end strategy to transition a complex React Native mobile application into an SSR-enabled web platform. Engineered reusable components with React and Redux, adhering to atomic design principles for consistent UI development. Integrated OAuth 2.0 and SSO workflows with secure session management and granular access controls. Applied WCAG 2.1 standards and conducted Lighthouse audits to surpass compliance benchmarks. Reduced application bundle size by 40% via tree-shaking, code splitting, and dynamic imports. Collaborated with DevOps to configure Docker-based deployment pipelines with environment-specific builds.
Full Stack Lead IT S at United States
January 1, 2020 - January 1, 2022
Led enterprise-scale enhancement and modernization of a mission-critical Learning Management System (LMS) used by natural gas utility personnel for training and compliance certification. Designed and executed a full-stack migration strategy, transitioning from a legacy .NET monolith to a microservices-based architecture using Node.js, React, and PostgreSQL. Developed a robust, responsive front-end experience focused on accessibility and performance, optimizing rendering with dynamic imports, memoization, and state management via Redux. Established backend services with Express, JWT authentication, and RBAC to support secure multi-tenant user access across business units. Mentored developers across experience levels, guided architecture reviews, and aligned cross-functional stakeholders with technical delivery milestones. Championed DevSecOps practices including dependency scanning, SAST integrations, and OAuth 2.0 authentication; implemented CI/CD pipelines using Docker and GitHub Acti
Senior Full Stack Software Architect at Five Pack Creative
January 1, 2020 - Present
Engineered scalable, cloud-based solutions across multiple enterprise client projects using React, Node.js, TypeScript, and PostgreSQL. Orchestrated modernization initiatives, transforming monolithic platforms into microservice ecosystems to improve performance, resilience, and maintainability. Integrated OpenAI tooling and GPT-4 workflows to automate repetitive tasks, generate documentation, and accelerate code review cycles. Mentored junior and mid-level engineers through code reviews, architecture discussions, and sprint planning. Achieved significant performance improvements, including a reported 60% reduction in load times via dynamic imports, lazy loading, and server-side rendering (SSR).
Software Architect at Five Pack Creative
January 1, 2016 - Present
Five Pack Creative – Cross-Platform SaaS Development
Senior Full Stack Software Architect | 2020–Present Architected and delivered SaaS products across fintech, healthtech, and compliance domains. Automated CI/CD workflows and implemented Lighthouse audits for continuous performance scoring. Integrated AI (ChatGPT/OpenAI) into dev workflows to auto-generate tests, reduce defects, and accelerate delivery. Reduced frontend load times by 60% using SSR, lazy loading, and dynamic imports. Led engineering mentorship programs and architecture review boards. Syngenta – Sales Quota Management Tools
Senior Full-Stack Software Engineer | 2022–present Delivered secure RESTful APIs with rate limiting and Redis-backed blacklists to mitigate abuse. Built scalable backend with Node.js and MySQL, integrating API gateway throttling for fraud defense. Deployed services to GCP via Docker on ECS Fargate with autoscaling and health checks. Managed CI/CD pipelines with automated testing, linting, Terraform validation, and rollout strategies. Introduced RBAC auth middleware and secured endpoints using layered token validation. ITS – Learning Management System for Natural Gas Industry
Full Stack Lead | 2020–2022 Led the secure modernization of a legacy LMS used by utility personnel, integrating DevSecOps best practices and scalable microservices. Built secure access layers using OAuth 2.0, JWT Auth, and RBAC across multi-tenant architecture. Implemented CI/CD with GitHub Actions, including automated testing, SAST, and threat detection. Developed proactive monitoring and incident response pipelines, reducing alert fatigue and improving MTTD/MTTR. Mentored developers and fostered a strong engineering culture through peer code reviews and design leadership. Entertainment Partners – Production Accounting Platform
Senior Full Stack Software Architect | 2022–2024 Built distributed, event-driven architecture with Kafka and CQRS to handle sensitive financial transactions. Applied DDD principles to protect data boundaries across services and improve fraud resilience. Engineered platform with PostgreSQL and MSSQL, integrated schema validation and partitioning. Ensured data integrity under load through resilience testing and consumer group optimization. Red Roots – Homebuilding Integration Platform
Senior Full-Stack Software Architect | 2024–Present Built core product for B2B marketplace platform using React, PHP, and MySQL. Architected scalable frontend and collaborated across teams to reduce time-to-market by 40%. Figure 1 – Medical Collaboration Platform
Lead Front-End Engineer | 2021–2022 Migrated complex React Native app to SSR-enabled web platform. Improved accessibility (WCAG 2.1) and reduced bundle size by 40%. Integrated secure session handling with OAuth 2.0 and SSO. Partnered with DevOps to implement Docker pipelines and multi-env builds. Life.Church – Bible App Migration
Senior Front-End Engineer | 2022–2023 Migrated platform from Google AMP to Next.js with per
Software Engineer | Team Lead | Platform Modernization & Revenue Growth at IT W alpine United States
January 1, 2015 - January 1, 2017
Co-architected high-performance Node.js and Angular quoting platform with a MongoDB backend to enable real-time collaboration. Refactored legacy C++ MFC systems into modular services featuring RESTful APIs and service gateways. Implemented RBAC, OAuth 2.0, and static analysis pipelines. Orchestrated deployments using Docker and Kubernetes for horizontal scalability and improved reliability. Established architectural governance and onboarded senior staff into Git Flow, semantic versioning, and test-driven development (TDD) workflows. Managed API throttling and rate limiting; configured token-based authentication and RBAC to facilitate horizontal scaling and cloud-native deployment.

Education

Bachelor of Science at Florida Atlantic University
December 31, 2012 - December 31, 2015
Bachelor's, Computer Science at Florida Atlantic University
January 1, 2012 - January 1, 2015

Qualifications

Software Engineer
September 15, 2015 - August 27, 2025
10 plus years of full stack development with start ups and scaleable enterprise
AWS Certified Solutions Architect (CERTIFICATES section)
January 11, 2030 - July 27, 2026

Industry Experience

Software & Internet, Computers & Electronics, Financial Services, Healthcare, Other, Agriculture & Mining, Media & Entertainment
    MISE AI
    built software for Restaurant Management Systems. Inventory, recipe, automated by meal sales and meal preps. Ingredients are deducted from inventory based on usage or meal chef prep guides. This software is in the MVP phase but will revolutionize the high-end restaurant industry.
    MISE AI

    Restaurant Management System