Matheus Poleza

Matheus Poleza

Software Engineer & Engineering Team Lead
matheus.poleza@gmail.com, Joinville, BR.

About

Highly accomplished Software Engineer and Engineering Team Lead with over 10 years of experience driving scalable solutions and high-performance product development, particularly within the competitive AI space. Proven expertise in full-stack development (JavaScript, Node.js, Go, Java), architectural design, and guiding teams through complex technical challenges to deliver solutions that balance UX and performance. Successfully contributed to three startup scaling journeys from Seed to Series C, demonstrating strong leadership in both technical execution and team empowerment.

Work

Voiceflow
|

Engineering Team Lead

Summary

Led an engineering team at Voiceflow, overseeing architectural design, project delivery, and team growth to ensure high-quality feature development for an AI product.

Highlights

Led and mentored a team of engineers, conducting regular 1-on-1s to foster individual growth and resolve technical challenges.

Guided architectural design and technical strategy for complex AI features, empowering team ownership and ensuring scalable solutions.

Collaborated cross-functionally with product teams to align technical roadmaps with strategic business goals, enhancing product-market fit.

Orchestrated project management, including task creation and sprint planning, to ensure smooth delivery of high-performance features and clear team communication.

Cultivated a collaborative engineering culture, resulting in the consistent delivery of high-quality, user-centric features.

Origin
|

Lead Frontend Engineer

Summary

As the first frontend hire at Origin, built and led the entire frontend team, establishing architecture and processes for the company's core web application.

Highlights

Built and scaled the entire frontend engineering team from scratch as the first hire, establishing a robust technical interview process for new hires.

Developed the company's foundational web application using React, establishing architectural standards that scaled with future development.

Instituted guild meetings and alignment sessions to ensure technical consistency and foster collaboration across the growing frontend team.

Implemented and scaled a comprehensive design system in collaboration with the design team, supporting a dedicated design team and streamlining component creation.

Played a pivotal role in product pivot from insurance to financial wellness, contributing to growth from 3 to 30 people and securing Series A funding.

Led development of the investment section, integrating multiple APIs to display real-time client investment portfolios and cash flow.

Transitioned to Staff Engineer, contributing to backend development and shaping overall technical strategy.

Voiceflow
|

Senior Software Engineer

Summary

Drove full-stack development and strategic AI integrations at Voiceflow, enhancing platform capabilities and user experience.

Highlights

Developed the NLU Manager product with the ML team, creating an intent classification system that resolved conflicts and improved natural language understanding.

Spearheaded the initial integration of advanced AI features like ChatGPT into the platform post-launch, significantly expanding product capabilities.

Engineered the Variable States feature, enabling users to test chatbot personas in a prototype environment, enhancing testing efficiency and accuracy.

Structured and implemented an automated code assessment system for support engineer technical interviews, streamlining the hiring process.

Acted as a full-stack developer, delivering critical features across backend, infrastructure, database, and frontend layers, including billing and response messaging.

Led multiple projects, ensuring alignment with product and design teams to deliver solutions that achieved both technical excellence and business objectives.

Creditas
|

Tech Lead

Summary

Led technical architecture and system design for the affiliate integration platform at Creditas, significantly increasing qualified leads and improving third-party integrations.

Highlights

Led technical architecture and system design for the affiliate integration platform, generating a 30% increase in qualified leads.

Managed project refinement and team alignment, ensuring efficient delivery of a platform that met critical business and user needs.

Developed a Progressive Web Application (PWA) with React, providing seamless offline functionality for affiliates.

Introduced a public API with Swagger documentation, enhancing third-party integration efficiency.

Creditas
|

Senior Frontend Engineer

Summary

Spearheaded the rebranding of Creditas' frontend, establishing design system standards and best practices across all digital products.

Highlights

Spearheaded the comprehensive rebranding of Creditas' frontend, revamping the entire design system and web components.

Led the design system initiative in collaboration with the design team, standardizing visual identity across all digital products.

Established best practices and frontend standards, significantly improving codebase consistency and quality.

ContaAzul
|

Frontend Engineer

Summary

Led design system development and critical feature enhancements at ContaAzul, significantly improving UI/UX consistency and conversion rates.

Highlights

Led the development of the company's design system, standardizing UI/UX across the platform.

Developed a new Angular checkout page for the Growth team, increasing conversion rates by 30%.

Implemented frontend unit testing, fostering a culture of quality and improving code reliability within the engineering team.

Refactored the product's main menu from JSP to AngularJS, significantly enhancing user experience.

ContaAzul
|

Software Engineer Intern

Summary

Contributed to design system development and core component maintenance as a Software Engineer Intern, leading to early promotion due to exceptional performance.

Highlights

Developed core components and maintained documentation for the company's design system.

Earned early promotion to a full-time role due to exceptional performance during the internship.

Dalmark Systems Ltda
|

Software Development Intern

Summary

Developed key modules and participated in system migration for Dalmark Systems' ERP, enhancing performance and capabilities for industrial sectors.

Highlights

Developed key ERP system modules using Delphi and Oracle DB, serving industrial sector clients.

Contributed to the system migration from Delphi 4 to Delphi 7, enhancing overall system performance and capabilities.

Education

IFSC - Instituto Federal de Santa Catarina

Bachelor's degree

Information Technology

Languages

English

Certificates

Inbound Certification

Issued By

HubSpot

Skills

A/B Testing

A/B Testing.

Amazon Web Services (AWS)

AWS, Cloud Computing.

AngularJS

AngularJS.

Cascading Style Sheets (CSS)

CSS, Styling.

Databases

Databases.

Delphi

Delphi.

Design Systems

Design System, UI/UX Consistency.

Developer Experience

Developer Experience.

Django

Django.

Domain-Driven Design (DDD)

DDD, Software Architecture.

Early-Stage Startups

Startup Scaling, Early-Stage.

Ember.js

Ember.js.

ERP Software

ERP.

Front-end Engineering

Frontend Development, Web Development.

GitHub

GitHub, Version Control.

Go (Programming Language)

Go, Golang.

Growth Hacking & Strategies

Growth Hacking, Growth Strategies.

Hadoop

Hadoop, Big Data.

HTML5

HTML5.

Inbound Marketing

Inbound Marketing.

Java

Java.

JavaScript

JavaScript.

jQuery

jQuery.

JSP

JSP.

Kotlin

Kotlin.

Kubernetes

Kubernetes, Container Orchestration.

Leadership

Leadership, Team Management.

MongoDB

MongoDB, NoSQL.

MySQL

MySQL, SQL.

Node.js

Node.js, Backend Development.

NoSQL

NoSQL.

Object Pascal

Object Pascal.

PostGIS

PostGIS, Geographic Information Systems.

PostgreSQL

PostgreSQL, SQL.

Project Management

Project Management, Agile, Scrum.

Public Speaking

Public Speaking.

Python

Python.

React

React, React.js.

Ruby

Ruby.

Scrum

Scrum, Agile Methodologies.

Software Project Management

Software Project Management.

SQL

SQL.

Systems Design

Systems Design, Architecture.

Technical Leadership

Technical Leadership, Mentorship.

Test Automation

Test Automation.

Web Applications

Web Applications.

Web Development

Web Development.

Web Services

Web Services, APIs.

Projects

FEMUG-JLLE (Front-End Meetup Group)

Summary

Front-End Meetup Group aimed at expanding open-source culture, fostering networking, and professional growth through project sharing.

Data Mining of Ship Trajectories

Summary

Developed a web system for comparing ship trajectories. Involved research in PostgreSQL (PostGIS) for database and geographic data, and non-relational data mining with Hadoop clusters and MongoDB.