Available to hire
I’m Richard Simmons, a full-stack software engineer who builds scalable web applications powering 10,000+ daily users. I specialize in React/TypeScript, Node.js, and cloud infrastructure, delivering fast, reliable software with measurable performance gains.
I lead cross-functional teams, mentor junior developers, and optimize architectures to reduce latency and downtime. I enjoy turning complex problems into clean, maintainable solutions and collaborating with product teams to ship high-quality software.
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Language
English
Fluent
Javanese
Advanced
Work Experience
Software Engineer at Toyota
January 1, 2025 - July 25, 2025Architected and developed full-stack applications using React/TypeScript frontend with Node.js/Python backend services, supporting 10,000+ daily active users. Designed and implemented RESTful APIs and GraphQL endpoints, achieving reduction in data retrieval latency through optimized database queries and caching strategies. Refactored and optimized SQL Server databases, leveraging indexing and query tuning to improve performance by 40%. Collaborated with cross-functional teams using Agile methodologies, consistently delivering sprint goals. Spearheaded CI/CD pipeline enhancements using GitHub Actions and Jenkins. Generated automated test scripts to ensure the reliability and stability of the application before release.
Data Science Intern at Knoesis Labs
January 1, 2020 - July 25, 2025Analyzed large-scale datasets (500M+ records) using Python ecosystem (Pandas, NumPy, Scikit-learn), identifying key trends that informed 3 major product decisions. Maintained ETL pipelines using Azure Data Factory and SQL Server Integration Services (SSIS), streamlining data processing workflows.
Founder & Lead Engineer at Zoan Collective
April 1, 2025 - PresentFounder & Lead Engineer at a software development collective delivering web and mobile solutions for startups. Established the business and started generating revenue within the first quarter. Built client applications using React, Next.js, TypeScript, and AWS, achieving 95%+ Lighthouse scores and sub-2s load times. Managed 5+ concurrent projects using agile workflows and coordinated cross-functional teams of 4+ contractors, improving client onboarding efficiency by 40%.
Software Engineer I at Toyota
March 31, 2025 - October 8, 2025Engineered RESTful APIs and GraphQL services handling 2M+ daily requests, reducing response time from 450ms to 180ms (60%) through Redis caching and query optimization. Led migration to microservices architecture using Docker and Kubernetes, improving deployment frequency and reducing downtime. Architected full-stack applications with React/TypeScript and Node.js/Python, supporting 10,000+ daily active users. Optimized SQL Server queries across 15+ tables, improving dashboard load times by 40%. Built CI/CD pipelines with GitHub Actions and Jenkins, reducing release time from 4 hours to 30 minutes. Mentored 3 junior developers on React and TypeScript, reducing code review cycles. Developed Jest tests reducing production bugs.
Data Science Intern I at Knoesis Labs
August 31, 2020 - October 8, 2025Analyzed datasets with 500M+ records using Python (Pandas, NumPy, Scikit-learn), identifying trends that informed 3 major product decisions. Built ETL pipelines using Azure Data Factory and SSIS, processing 5GB+ daily with 99.5% reliability.
Founder & Lead Engineer at Zoan Collective
April 1, 2025 - PresentFounder & Lead Engineer responsible for delivering web and mobile solutions for startups. Established a software development collective, built client applications with React, Next.js, TypeScript, and AWS achieving 95%+ Lighthouse scores and sub-2s load times. Managed 5+ concurrent projects using Agile workflows and coordinated cross-functional teams of 4+ contractors to improve onboarding efficiency by 40%.
Software Engineer at Toyota
March 1, 2025 - October 8, 2025Engineered RESTful APIs and GraphQL services handling 2M+ daily requests; reduced response time from 450ms to 180ms via Redis caching and query optimization. Led migration to microservices using Docker and Kubernetes; improved deployment frequency and reduced downtime. Architected full-stack apps with React/TypeScript and Node.js/Python; supported 10,000+ daily active users. Optimized SQL Server queries across 15+ tables; improved dashboard load times by 40%. Built CI/CD pipelines with GitHub Actions and Jenkins; reduced release time from 4 hours to 30 minutes. Mentored 3 junior developers and implemented Jest tests to reduce production bugs.
Data Science Intern at Knoesis Labs
August 1, 2020 - October 8, 2025Analyzed datasets with 500M+ records using Python (Pandas, NumPy, Scikit-learn), identifying trends informing 3 major product decisions. Built ETL pipelines using Azure Data Factory and SSIS, processing 5GB+ daily with 99.5% reliability.
Education
Bachelor of Science at Wright State University
January 1, 2017 - May 31, 2021Bachelor of Science in Computer Science at Wright State University
January 11, 2030 - May 1, 2021Bachelor of Science in Computer Science at Wright State University
January 11, 2030 - May 1, 2021Qualifications
Active Contributor to the National Society of Black Engineers
January 1, 2017 - December 31, 2021Selected participant for the Johns Hopkins Center for Talented Youth program
January 1, 2015 - December 31, 2015Johns Hopkins Center for Talented Youth - Selected as one of 100 participants nationwide (top 1% standardized test scores)
January 11, 2030 - October 8, 2025National Society of Black Engineers - Active member and contributor
January 11, 2030 - October 8, 2025Industry Experience
Software & Internet, Healthcare, Life Sciences, Financial Services, Professional Services, Computers & Electronics, Manufacturing
Redesigned a clients travel website with unique animations.
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