Johel Andreé Vargas Villanueva

Universidad Nacional de Trujillo · Trujillo, Peru · Semester 6 of 10

Universidad Privada Antenor Orrego · Trujillo, Peru · Semester 6 of 10

• Built a Go REST API (Echo, Clean Architecture) with Redis redirect caching and JWT authentication.
• Implemented real-time analytics with InfluxDB, GeoIP and WebSockets, shown in a Next.js dashboard.

Go, Echo, Next.js, TypeScript, MongoDB, Redis · github.com/andr2116d/Quikko

• Automated data extraction from UNT’s university portal with Playwright and FastAPI, solving the captcha with local OCR (Tesseract).
• Built a grade predictor and a schedule optimizer in Next.js; credentials are never stored.

Python, FastAPI, Playwright, Tesseract, Next.js, React · github.com/andr2116d/UNITRU-ACADEMIC

• Modeled La Libertad’s 83 districts as a graph and learned district embeddings with GraphSAGE (PyTorch Geometric).
• Compared Louvain and GraphSAGE + KMeans communities on a Leaflet map with a FastAPI-backed scenario simulator.

Python, PyTorch Geometric, GraphSAGE, FastAPI, Next.js, TypeScript · github.com/andr2116d/gemelo-socioeconomico-ll

• Developed, in a three-person team, a delegated-payments platform with roles, approval rules and an auditable history; authored most commits.
• Three-layer document analysis (file inspection, PaddleOCR and structured review with Claude) on FastAPI, Celery and Redis.

Vue 3, TypeScript, Pinia, Tailwind CSS, FastAPI, PostgreSQL · github.com/andr2116d/Deconsta

• Owned the bootstrap (remote state, OIDC), GitHub Actions pipeline, networking and QA/production environments of a serverless processor (API Gateway, Lambda, S3, SQS) in a five-person team.

AWS Lambda, API Gateway, S3, SQS, CloudWatch, Terraform · github.com/andr2116d/ias-aws-lambda

• Approved the team’s pull requests and authored most commits of a booking system with administrator, reception and player roles.

Next.js, TypeScript, Tailwind CSS, TanStack Query, NestJS, Prisma · github.com/andr2116d/canchas-reservas