Eyji Koike Cuff

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Skills

PROGRAMMING:

Python (Django, FastAPI, Flask)C (Embedded systems, RTOS)JavaScriptReact.js (TypeScript, Next.js)Node.jsTerraform (Infrastructure as Code, IaC)

TOOLS:

SeleniumPuppeteerHasuraREST APIsVercelAWS (Lambda, SQS, ECS, DynamoDB, S3, CloudWatch)Supabase

AI/ML:

Generative AI (Prompt Engineering, RAG Pipelines, Hugging Face)LLM orchestration (Llamaindex, LangChain)Vector Databases (ChromaDB, FAISS)

LANGUAGES:

PortugueseEnglishSpanish

Experience

Testbox

San Francisco, CA - Remote

Software Engineer

May, 2024 - Current

  • Build and implement integrations with customer apps using Python and scheduled activities, powering dynamic and reliable demo environments.
  • Developed and optimized backend services using Python (Django, React.js, and Redis), while ensuring type safety with TypeScript.
  • Enhanced reliability and observability of demo systems, supporting AI/ML for monitoring and automated security workloads.
  • Proposed, implemented, and deployed a cache-aside system integrated with Redis and Lambda execution, reducing in 10x the query execution time.

Eztronic

Caxias do Sul, Brazil

Software Engineer

Oct, 2022 - May, 2024

  • Developed IoT cloud software for telemetry and control of distributed devices utilizing React.js, Node.js, and Python on Docker.
  • Consolidated data pipelines within a Docker-based system to capture remote data in real-time and deployed it in an embedded device using Docker.
  • Led projects directly with clients to gather requirements, define technical scopes, and deliver continuous solutions to their performance and standard goals.
  • Engineered firmware for measurement-related devices using C/C++, enabling real-time telemetry and control.

Autom

Caxias do Sul, Brazil

Data Analyst Intern

Aug, 2022 - Mar, 2023

  • Supported business intelligence and project coordination efforts by documenting internal environments and automating reporting pipelines.
  • Automated data visualizations and built Python UI and Power BI and extracted ETL pipelines in Python to streamline data-related company engineering.
  • Assisted project managers in daily routines, including task tracking, stakeholder communications, and timeline coordination.

IFRS

Caxias do Sul, Brazil

Research Intern

Oct, 2021 - Oct, 2022

  • Supported the development of an IoT System for monitoring water quality, producing the firmware written in C and a real-time cloud infrastructure.
  • Demonstrated the academic impact of the research by presenting at regional engineering events and participating in tech conferences.
  • Collaborated with faculty and developers to deploy a Python front-end and produce a pitch-deck project for the sponsor company on a valuable testing model added to their production.
  • Educated teenagers in a two-day summer school to introduce their curiosity and promote STEM education.

Want to know more?

Download my resume for a comprehensive overview of my experience, skills, and achievements in full-stack development and AI/ML.

4+
Years Experience
10x
Performance Boost
Passion for Tech