Ismael – Python, React, Django

Opolis is a US-based digital employment platform providing payroll, benefits, and compliance services for independent workers and freelancers.

• Built an AI onboarding system using OpenAI LLMs, RAG pipeline with Typesense, and FastAPI.
• Architected shared Django backend services and data models across AWS and Kubernetes.
• Developed an internal social network in React enabling smooth real-time interactions.
• Migrated authentication to a Go microservice, strengthening security and decoupling auth logic.
• Offloaded background workloads to Celery and Redis workers keeping request cycles lean.
• Leveraged Sentry to detect, triage, and fix production errors faster across environments.

Prey is an anti-theft and device tracking software for laptops, phones, and tablets, with location tracking, remote wipe, and device protection features.

• Implemented event tracking with Mixpanel for product analytics and user behavior visibility.
• Built custom dashboards using JavaScript and D3 for real-time metrics monitoring.
• Automated user behavior analysis with Pandas, PostgreSQL and OpenAI.
• Built segmentation models with Python and Scikit-Learn to inform new product tiers.
• Deployed Django automation services on AWS for scheduled processing and API integrations.

La Positiva is one of Peru's leading insurance company offering medical, travel, and vehicle insurance products through digital channels and mobile applications.

• Designed and implemented RESTful APIs for insurance policy management.
• Created custom Grafana visualizations with D3, React, and TypeScript.
• Built automated email templates and integrated Twilio for notifications.
• Deployed services using AWS ECS, S3, and CloudWatch.

Urbaner is an on-demand delivery platform connecting users with couriers for same-day package and document delivery across multiple Latin American cities. The platform handles real-time order dispatch, live tracking, and logistics optimization at scale.

• Implemented real-time delivery tracking with Django, WebSockets, and React.
• Scaled backend infrastructure with Nginx load balancing across LATAM markets.
• Analyzed geospatial data and created visualizations with Plotly and Mapbox.
• Implemented CI/CD pipelines with automated testing and code quality tools.