Johnny Gregorio
ENPT
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Plate 01

Engineering

Build thoughtfully.Evolve with context.

A hands-on engineer with backend depth and full-stack capability. Architecture and technical leadership in service of the work that needs to get done.

Discuss an opportunityProfessional profile

Plate 02How I contribute

From the problemto the implementation.

Fig. 2.1 — Four faces of one system, in section.

  1. I

    Backend & integrations

    APIs, data flows and business logic. Attention to the work a system actually needs to perform.

  2. II

    Full-stack delivery

    From interface behavior to the services behind it. A product view without losing technical depth.

  3. III

    Architecture & evolution

    Decisions that account for the existing system, its constraints and its next step. Modernization with context.

  4. IV

    Production & collaboration

    Investigating bottlenecks, stabilizing systems and implementing changes alongside the team.

Plate 03Production experience

Decisions thatmake a difference.

My engineering practice
Fig. 3.1

6,000users / hour1

≈30% of the performance plan implemented

Making room for the peaks

I designed the performance roadmap and implemented changes with the team. With about 30% of the plan completed, the platform supported production peaks of up to 6,000 users per hour through the registration journey.

Fig. 3.2

30M+→ thousands of combinations / day1

30 000 000thousands
not to scale

Less work before more resources

I redesigned ingestion logic and implemented changes with the team, reducing daily upsert combinations from over 30 million to thousands, using streaming and batching.

  1. Results reported from my professional experience. Clients remain anonymous; observed traffic is not a maximum-capacity benchmark.

Plate 04Background

Experience in motion.

Consulting across client projects, contributing to both architecture and implementation.

Feb 2026 — present

ArchOffice

Software Architect & Tech Lead

Consulting across several client projects.

Jan 2022

First professional software contract

Beginning of professional practice.

Jul 2021

Hands-on training at Kenzie

Training, recorded separately from professional experience.

Plate 05Next engagement

A worthwhile challenge.A good team.

I’m currently engaged and actively exploring the right remote role, contract or consulting opportunity. Availability and engagement format are part of the conversation.

I’m interested in both new products and the evolution of existing systems. English and Portuguese; based in Brazil.

ContractsConsultingRemote employmentNew productsExisting systems

Plate 06The next conversation

What are webuilding next?

A new product, a system that needs to evolve, or a team with an interesting challenge. Tell me where you want to go.

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English · PortuguêsCuritiba, Brazil · RemoteContracts · Consulting · Projects