Walker Leite

Senior Software Engineer focused on system quality, architecture, and long-term maintainability

Professional Summary

Senior software engineer with 15 years of experience building and evolving software products. I focus on system quality, architecture, and long-term maintainability, balancing technical rigor with pragmatic delivery. I contribute through careful technical decision-making, clear interfaces, and a bias toward sustainable systems that scale with product and team needs.

Profile

Location
Florianópolis - SC, Brazil (open to local roles in Santa Catarina and remote)
Languages
Portuguese (native) | English (fluent)

Work History

SOLO TOPOGRAFIA E GEORREFERENCIAMENTO LTDA

Senior Systems Analyst

Working on a Geographic Information System (GIS) used by municipalities and industrial clients for data mapping and territorial management. I serve as a senior engineer and technical reference in a small team, guiding architectural decisions that improve system sustainability and team effectiveness.

  • Drive architectural evolution and technical decision-making.
  • Reduce technical debt and improve long-term maintainability.
  • Design decoupled, evolvable components and clear interfaces.
  • Establish reproducible development environments to reduce setup risk.
  • Anticipate scalability and operational challenges ahead of growth.
  • Apply AI-assisted tools to documentation, code review, and team efficiency.
August 2025 - Present

Fourierlabs

Developer

Built a zero-knowledge protocol bridge between Cardano and an EVM blockchain. Owned the integration layer and collaborated on settlement-layer changes during a hard fork. Focused on correctness, clear interfaces, and reliable cross-chain operations, and delivered a working demo with end-to-end validation.

October 2023 - January 2025

Evo

Developer

Explored a customer onboarding service that integrates CRM and ERP workflows with durable orchestration. Emphasis was on reproducible workflows, clear boundaries, and operational visibility. The public repo is available on evo-siigo.

July 2023 - September 2023

Lovelace Academy

Instructor

Built learning materials and developer tooling to reduce onboarding time for new contributors. Created templates and improvements that made local development more reproducible and lowered the barrier to entry.

September 2022 - July 2023

Self-employed

Independent Engineer

Delivered client work and open-source contributions with a focus on reliability and maintainability. Wrote funding proposals and supported early-stage product development.

March 2022 - September 2022

Levi

Co-founder

Developed a proof of concept game with basic drag-and-drop interactions, focusing on small, modular UI components and predictable state transitions.

October 2021 - December 2021

ACIUM

Software Engineer

Improved core platform services and support systems, and delivered a franchise/affiliate app in partnership with CheckStore. Built APIs and admin tooling with a focus on reliability, maintainable integrations, and clear ownership boundaries.

July 2021 - December 2021

Yappi

Co-founder

Reached the first 200 users and delivered an MVP integrated with WhatsApp, validating product-market fit with restaurant owners. Built an offline-first experience and surfaced maintainability risks early, informing later architectural choices.

September 2020 - March 2021

InCuca

Software Engineer

Improved delivery process with retrospectives, lightweight metrics, and clearer team structure for open-scope projects. Built multiple MVPs across domains and delivered a robust, audit-friendly system for tracking balance changes at Saint Gobain.

May 2017 - September 2020

Praiseweb

Co-founder

Built portals and internal systems for occupational medicine, contributing to a large-scale product over two years. The project did not ship, but the team delivered a robust solution and I gained practical experience in testing, planning, and execution.

January 2011 - December 2013

PIBBVC

IT Assistant

Handled technical support, network maintenance, and web system development. Built internal tools and gained broad exposure to infrastructure, servers, and Linux operations, which grounded later system design decisions.

January 2009 - May 2017

Education

Plutus Pioneer Program

Input Output (IOHK), cohort-based professional training

January 2022 - June 2022

Computer Systems Analysis

Centro Universitario Claretiano, associate degree

January 2015 - December 2016

Linux Essentials

4Linux, professional course

March 2012

Computer Science

Universidade Estadual do Sudoeste da Bahia, coursework completed

January 2010 - December 2012

Computer Engineering

Faculdade Independente do Nordeste, coursework completed

January 2009 - December 2010