Hi, welcome 👋

My name's André Wronscki.

Software Engineer & Tech Lead passionate about architecture, performance and high-performance teams. Also diving deep into applied AI.

Get in touch View tools

Website development

Beautiful and responsive sites, developed with modern technologies and easy to maintain.

Application Development

IOS and Android applications developed with React Native. Two platforms, same code.

Systems development

Intelligent, secure and automated systems. More agility, control and productivity in your daily life.

Experience

Companies and projects I've worked with

Financial branch

Calcard

I started at Calcard as a product intern in 2017 focused on CRM, months later I had the opportunity to go to the development area where I was hired in 2019. My activities were as a developer analyst working in the core where I was responsible for the team corrective maintenance.

4all - Raízen

I started at Payly in August 2022 as a Tech Lead for one of the development teams. Being the technical reference of the team, ensuring the quality of the code, organizes the demands among the team to optimize deliveries and team management.

4all - F Bank

I started on the F Bank project in March 2023 as a Tech Lead for the app development team. Being the technical reference of the team, ensuring the quality of the code, organizes the demands among the team to optimize deliveries and team management.

MitzIT - Raízen

I started at Raízen in September 2023 as a Tech Lead for one of the development teams. Being the technical reference of the team, ensuring the quality of the code, organizes the demands among the team to optimize deliveries and team management.

Mercado Livre

I work as a Senior Software Engineer at Mercado Pago (Mercado Livre) since August 2025, in the Interest-Bearing Account team, building solutions that generate automatic yield on customer balances.

I contribute to the creation of the digital bank in Mexico, leading strategic initiatives as Mercado Pago advances toward obtaining a full banking license, focusing on scalability, security, and regulatory compliance.

I drive end-to-end technical leadership, from conception to delivery, authoring RFCs, ADRs, and high-level specifications that connect engineering decisions with business strategy. I also design distributed systems and develop high-performance services in Go (Golang).

I apply modern practices such as Spec-Driven Development (SDD) and leverage Artificial Intelligence across the development lifecycle, exploring LLMs and assisted automation to improve productivity, code quality, and technical decision-making.

I continuously contribute to the evolution of the team and platform, balancing product vision, technical excellence, and continuous delivery, building scalable solutions for millions of users.

Communication branch

Zenvia

I started at Zenvia in early 2020 to work as a developer in the squad that deals with voice communication. Within the team I am in a subdivision that takes care of the integrations.

IoT

Supero

I started at Supero in late 2020 to work as a Node.js developer responsible for an IoT project. In this project I use AWS as infrastructure, using some services like Cognito, Lambda, API Gateway, DynamoDB, IoT Core and S3. With a microservice architecture.

Accounting

Conube

I started at Conube in February 2021 to work as a backend developer on a new company product. Working with Node.js using TypeScript, NestJS framework and serverless functions. We follow the Clean Architecture concepts separating the layers into domain, data, infra and presentation.

Also in 2021, I assumed the position of tech lead, assuming the responsibilities of being the technical reference of the team, guaranteeing the quality of the code, refining tasks, bringing into practice agile concepts and continuous delivery and also writing the cloud architectures with Infra as Code (IaC ) using Terraform.