Rodovia 2026 · Pit stop

Luis Didonato

Software Engineer · Backend, AI & Cloud

CTO / Tech Lead at EVIGSão Paulo, Brazil

Software engineer with experience in backend, architecture and AI products. Background in technical leadership, integrations and cloud, focused on operational efficiency and scalability.

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Impact

Experience

Career path

  1. EVIG

    CTO / Tech Lead – Present

    • Cut operating costs by 80%, even while taking on new projects, by migrating from GCP to AWS, combining Lambda with always-on services that scale independently, and optimizing containers.
    • Planned the approval as a WhatsApp Tech Provider and led the review of apps, permissions, onboarding and WABA structuring.
    • Designed an LLM-first architecture with agents, routing, conversational memory and decoupled services.
    • Planned capacity and load tests to meet SLAs and prioritized the team’s deliverables.
    • Planned and implemented RBAC and AWS SSM (configuration and secrets); planned JWKS.

  2. Colmeia

    Senior Integration Analyst –

    • Planned integrations with partner companies and helped define flows and technical requirements.
    • Implemented and validated integrations with partner and Google APIs, including Google Calendar.
    • Planned improvements to Jira workflows to organize demands and track team deliverables.

  3. ValiantGroup

    Full Stack Developer –

    • Built web and Android TV applications for the streaming platforms of the Hospital Sírio-Libanês, Housi and Fiesta Americana projects.
    • Supported e-Saúde (Band) and the company’s AI chatbot, with Conversational Agents, a vector database and planning on Vertex AI.

  4. RedBit

    Front-end Developer –

    • Built and optimized websites with a focus on responsiveness and SEO, cutting average load time from roughly 2 s to 0.5 s on selected projects.
    • Set up tags, events and conversions with Google Tag Manager and Google Ads.

Cases

Selected work

  1. LLM-first architecture

    EVIG: agents, routing, conversational memory and decoupled services.

    • LLMs
    • Agents
    • Routing
    • Conversational memory

  2. GCP → AWS migration

    EVIG: −80% operating cost by combining Lambda with always-on services that scale independently.

    • AWS
    • GCP
    • Lambda
    • Docker

  3. WhatsApp Tech Provider

    EVIG: review of apps, permissions, onboarding and WABA structuring.

    • WhatsApp Business
    • WABA
    • Onboarding
    • Permissions

  4. Oceans-20

    Backend, frontend and mobile built end to end to route waste records to collection partners; model with 85.4% mAP@50.

    • React Native
    • FastAPI
    • Firebase

  5. Bicycle inspection (Porto Seguro)

    Project built end to end, including an image-recognition microservice using YOLO.

    • Java
    • JPA
    • React
    • Oracle SQL
    • YOLO

Workshop

Skills

Backend & Data

  • Python
  • Go
  • Java
  • C#
  • FastAPI
  • Django
  • NestJS
  • PostgreSQL
  • SQL/NoSQL

Frontend & Mobile

  • React
  • Next.js
  • TypeScript
  • React Native

Cloud & Architecture

  • AWS
  • GCP
  • Docker
  • CI/CD
  • Distributed systems
  • Kafka
  • RabbitMQ

AI

  • LLMs
  • RAG
  • Embeddings
  • Vector databases
  • Multi-agent systems

Tools

  • Claude Code
  • OpenAI Codex
  • Jira

Services

How I can help

Talk about a project

Contact

Let’s talk

Email
gutodidonato [at] gmail [dot] com
LinkedIn
linkedin.com/in/luis-didonato-66746a250
GitHub
github.com/gutodidonato
Résumé
CV (PT) · PDF
Languages
  • English: advanced / C1 (EF SET)
  • Spanish: intermediate

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