diego vallejo

Engineered scalable healthcare and FinTech platforms with React, Next.js, TypeScript, Java/Spring Boot, Python/FastAPI, PostgreSQL, Redis, and microservices, increasing feature delivery speed by 35%. Automated CI/CD and infrastructure with Docker, Kubernetes, GitHub Actions, Azure DevOps, Terraform, AWS, and Azure, reducing deployment time from 2 hours to under 25 minutes.

Developed FinTech services with Java/Spring Boot, Python/FastAPI, React/TypeScript, PostgreSQL, Redis, and microservices, improving reconciliation efficiency by 37%. Integrated core banking, payment, vendor, and internal systems through REST and event-driven APIs, increasing data synchronization reliability by 41%.

Developed PropTech features with JavaScript/TypeScript, React, Vue.js, Node.js, Python/Flask, SQL/NoSQL, Redis, REST APIs, and AWS. Launched recommendation, intelligent search, and lead-prioritization workflows with Python, scikit-learn, NLP, and behavioral data, increasing qualified engagement by 22%.

Developed loyalty and customer-engagement SaaS with JavaScript, HTML/CSS, Java, SQL/MySQL, REST services, and Git for onboarding, rewards, campaigns, and partner integrations. Built segmentation and recommendation workflows using SQL, Python, rule-based classification, and purchase data.

Completed coursework in software engineering, algorithms, databases, and system design; applied fundamentals to practical application development and system design projects.