Open to opportunities

Leroy Griffith

@leroygriffith

Message

Seasoned Full Stack Engineer with expertise in scalable software solutions.

United States

Message

What I'm looking for

I am looking for a role that fosters innovation, encourages collaboration, and offers opportunities for professional growth in a dynamic environment.

I am a seasoned Full Stack Engineer with over 10 years of experience in architecting and delivering high-impact software solutions across various domains, including digital health, fintech, and AI-driven analytics. My expertise lies in modern JavaScript frameworks such as React and Node.js, as well as Python ecosystems. I have a proven track record of leading product-critical initiatives, from real-time trading tools to cloud-native platforms, ensuring that software architecture aligns with business goals.

Throughout my career, I have spearheaded the development of innovative systems, such as a dynamic therapist-client matching system and a personalized meditation recommendation engine, which significantly improved user engagement and retention. My collaborative approach allows me to mentor engineers and foster a culture of continuous learning, contributing to the professional growth of my teams. I am passionate about delivering both speed and sustainability in product development, ensuring high-quality software solutions that meet user needs.

Experience

Work history, roles, and key accomplishments

Current

Senior Software Engineer

Current

HeadSpace

Jan 2022 - Present (3 years 6 months)

Spearheaded the development of a dynamic therapist-client matching system and engineered a scalable appointment scheduling platform. Led the creation of a personalized meditation recommendation engine, utilizing user behavior analytics and machine learning algorithms, resulting in a 25% increase in user retention. Revamped the React-based web application, implementing responsive design and optimiz

Python Django TypeScript React Machine Learning APIs User Behavior Analytics Performance Optimization Unit Testing

Senior Full Stack Developer

Peak6

Jan 2018 - Dec 2022 (4 years 11 months)

Developed a high-performance trading interface for PEAK6 Capital Management, integrating live market data streams via WebSockets and building custom data visualizations in React. Architected a real-time portfolio monitoring system leveraging Node.js, Redis, and AWS Lambda, ensuring sub-second data sync. Spearheaded the frontend rebuild of Apexʼs brokerage onboarding platform, introducing a dynamic

React Node WebSockets Redis AWS Lambda Microservices Serverless Architecture Performance Optimization

Full Stack Developer

Spark

Jan 2016 - Dec 2018 (2 years 11 months)

Built the core React-based interface for Sparkʼs Medicare plan recommendation tool and engineered Python-based microservices to process insurance provider data feeds. Designed and deployed an intelligent alerting engine that analyzed broker-client interactions, increasing user re-engagement by over 25%. Developed a self-serve insights dashboard using React and Flask, visualizing KPIs and directly

React Python Flask Microservices APIs Jest Data Normalization

Web Developer

ClearSummit

Jan 2014 - Dec 2016 (2 years 11 months)

Led the end-to-end development of a custom enterprise workflow automation platform for a healthcare client, integrating React-powered dynamic UIs with a Python backend. Built scalable REST APIs using Node.js and Express to power multi-tenant SaaS products. Modernized legacy client dashboards by migrating jQuery-heavy interfaces to modular React components, improving load times and maintainability.

React Python Node REST APIs Data Ingestion Salesforce Unit Testing Integration Testing

Education

Degrees, certifications, and relevant coursework

Texas Tech University

Bachelor of Computer Science, Computer Science

Studied core principles of computer science, including programming languages, data structures, and algorithms. Gained foundational knowledge in software development, system design, and problem-solving methodologies.