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I'm a seasoned Full Stack Developer with a strong background in building scalable, secure SaaS applications on AWS. I enjoy crafting robust frontends with React and TypeScript and designing resilient backend APIs, including subscription and card payment workflows using Stripe. I'm passionate about automating deployment with CI/CD, containerization, and cloud-native patterns. I mentor teams on engineering best practices, advocate for comprehensive testing (Jest and React Testing Library), and strive to ship reliable software that meets business goals while boosting productivity.…I'm a seasoned Full Stack Developer with a strong background in building scalable, secure SaaS applications on AWS. I enjoy crafting robust frontends with React and TypeScript and designing resilient backend APIs, including subscription and card payment workflows using Stripe. I'm passionate about automating deployment with CI/CD, containerization, and cloud-native patterns. I mentor teams on engineering best practices, advocate for comprehensive testing (Jest and React Testing Library), and strive to ship reliable software that meets business goals while boosting productivity.

Luis Thornell Minnell

Full Stack Developer, Back-End Developer, Web Developer, +5

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I'm a seasoned Full Stack Developer with a strong background in building scalable, secure SaaS applications on AWS. I enjoy crafting robust frontends with React and TypeScript and designing resilient backend APIs, including subscription and card payment workflows using Stripe. I'm passionate about automating deployment with CI/CD, containerization, and cloud-native patterns. I mentor teams on engineering best practices, advocate for comprehensive testing (Jest and React Testing Library), and strive to ship reliable software that meets business goals while boosting productivity.…I'm a seasoned Full Stack Developer with a strong background in building scalable, secure SaaS applications on AWS. I enjoy crafting robust frontends with React and TypeScript and designing resilient backend APIs, including subscription and card payment workflows using Stripe. I'm passionate about automating deployment with CI/CD, containerization, and cloud-native patterns. I mentor teams on engineering best practices, advocate for comprehensive testing (Jest and React Testing Library), and strive to ship reliable software that meets business goals while boosting productivity.

Available to hire

I’m a seasoned Full Stack Developer with a strong background in building scalable, secure SaaS applications on AWS. I enjoy crafting robust frontends with React and TypeScript and designing resilient backend APIs, including subscription and card payment workflows using Stripe.
I’m passionate about automating deployment with CI/CD, containerization, and cloud-native patterns. I mentor teams on engineering best practices, advocate for comprehensive testing (Jest and React Testing Library), and strive to ship reliable software that meets business goals while boosting productivity.

Skills

Experience Level

Expert

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Language

English

Fluent

Work Experience

Senior Software Engineer at HashiCorp

July 20, 2022 - Present

Constructed and maintained backend services using Python (FastAPI, Django, Flask), improving API p95 response time by 35% and throughput by 2.1× for core endpoints. Migrated legacy JavaScript serverless functions to Python Lambda handlers, reducing cold-start latency by 60% and cutting monthly cloud costs by 28%. Designed and deployed microservices on AWS Lambda, ECS, API Gateway, SQS, and RDS, supporting ~150k daily requests and enabling horizontal auto-scaling during peak traffic. Implemented payment and subscription systems using Python-integrated Stripe and PayPal, lowering payment failure rates by 40% and increasing on-time renewals by 22%. Engineered internal automation tools with Celery and Redis, saving ~120 engineering hours/month and reducing ticket resolution time by 30%. Configured real-time features with WebSockets/WebRTC, supporting 10k+ concurrent connections while maintaining <200ms median latency. Architected secure multi-tenant backend provisioning using Python scrip

Senior Software Engineer at Homes.com

January 1, 2017 - July 1, 2022

Launched scalable REST APIs and backend systems using Django, Flask, and FastAPI, handling traffic peaks up to 200k requests/day with <1% error rate. Crafted authentication and authorization flows (OAuth2, JWT) and merged SSO providers, reducing login-related tickets by 45%. Enhanced streaming and analytics pipelines with AsyncIO and WebSockets, processing ~1M events/day for real-time dashboards. Automated ETL and scheduled data jobs using Celery and cloud functions, decreasing data processing time by 65% and improving data freshness SLA to <15 minutes. Guided performance tuning and database optimization (PostgreSQL), reducing slow queries by 80% and improving average query time from 450ms to 85ms. Managed crypto wallet workflows and backend services, enabling secure on-chain transactions and increasing platform transaction volume by 30%. Established testing standards with PyTest and CI pipelines, raising unit test coverage to 85% and preventing regressions in production.

iOS Development Instructor at University of Florida

August 20, 2016 - January 1, 2017

Taught iOS development topics as part of the curriculum and mentored students in app development.

Teaching Assistant at University of Florida

January 20, 2016 - December 1, 2016

Supported CS courses, assisted with assignments, and provided student support.

Software Engineer

January 1, 2017 - July 31, 2022

Designed reusable UI components with React and TypeScript; implemented secure authentication workflows; built real-time data visualizations and UI updates; established testing frameworks and CI pipelines; collaborated with cross-functional teams to improve reliability and velocity; contributed to AI-driven feature experimentation.