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Andrei TangAT
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Andrei Tang

@andreitang

Lead Senior Engineer at Itaú Unibanco building cloud-native lending platforms, including a rollout system that reduced production incidents by 90%.

Brazil
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What I'm looking for

I’m interested in global opportunities where I can contribute to complex distributed systems, cloud architecture, and high-scale backend engineering while continuing to grow as a technical leader.

At Itaú Unibanco, I lead architecture and development for cloud-native lending platforms. I architected a feature rollout platform with deterministic customer segmentation that reduced production incidents by 90%, and built data and event-processing flows supporting more than 20 million daily events.

Earlier at Itaú Unibanco, I developed backend systems that increased product visibility by over 30%. At CI&T, I worked on Carrefour’s event-based e-commerce platform and legacy systems; I also mentor engineers and support their career development.

Experience

Work history, roles, and key accomplishments

Itaú Unibanco logoIU
Current

Lead Senior Engineer

Jun 2024 - Present (2 years 4 months)

- Lead the architecture and development of cloud-native lending platforms using Java, Kotlin, Python, AWS, and event-driven architectures, supporting high-scale financial products and millions of customers.
Architected an internal feature rollout platform with deterministic hash-based customer segmentation, enabling controlled and scalable releases across a multi-million-customer base while reduci

Itaú Unibanco logoIU

Senior Software Engineer

Apr 2023 - Jun 2024 (1 year 2 months)

- Designing, developing, and maintaining high-volume, scalable, and observable backend solutions.
- Built reliable and high-performance distributed systems with Kubernetes (AWS EKS), Java/Kotlin microservices, and legacy APIs integrations.

- Designed and developed a platform to handle system complexity into a single request.
- Asynchronously orquestrating distributed applications on context awa

iti Itaú logoII

Senior Software Engineer

Dec 2021 - Mar 2023 (1 year 3 months)

- Hands-on Software Engineer and Technical Lead within an Enabler Team, driving technical solutions, architectural patterns, proof-of-concept (PoC) initiatives, and engineering best practices.

- Conducted a comprehensive analysis of the leading solutions on Configuration Services, assessing technical capabilities, trade-offs, costs, usability, and integration requirements.
- Led the implementatio

CI&T logoCI

Senior Software Engineer

Jan 2021 - Nov 2021 (10 months)

Consultant @Carrefour:
- Designed and implemented an event-based platform, using asynchronous queue mechanisms and workflows designed in Camunda BPMN and internal MySql databases.
- Handling hundreds of inventory updates across the e-commerce platform and warehouses per minute.
- Applied TDD as a development strategy obtaining great results: 0 bugs in Sprint releases without any negative impact i

CI&T logoCI

Software Engineer

Feb 2018 - Oct 2021 (3 years 8 months)

Consultant @Carrefour
- Developed and maintained Carrefour’s legacy e-commerce platform, working with SAP Commerce (Hybris) and Spring Framework 1.5.
- Contributed to the evolution and maintenance of core e-commerce functionalities in a large-scale production environment.

Dextra Digital logoDD

Fullstack Developer

Apr 2017 - Feb 2018 (10 months)

Consultant @Enforce:
- Developed and maintained software for the legal industry using Java and Spring Boot, AWS EC2 and Lambda.
- Implemented integrations with third-party providers, including xGracco and Zoho OCR.
- Managed application deployments in cloud environment.

Consultant @VR Benefícios:
- Fullstack Developmpent of a sales contact SPA on Angular 1.5 and Spring Boot.
- Delivered the p

Venturus logoVE

Junior Software Engineer

Nov 2012 - Apr 2017 (4 years 5 months)

- Developed full-stack web applications across multiple projects for companies in different business sectors, contributing to both front-end and back-end development.

Venturus logoVE

Intern

Jan 2012 - Nov 2012 (10 months)

- Developed applications using Android, HTML5 and JavaScript for Windows 8, as well as JSF 2.0 with the PrimeFaces framework. Worked with Eclipse and SVN and followed the Scrum development methodology.

Softway (now Thompson Reuters) logoSR

Assistant Developer

Mar 2010 - Aug 2011 (1 year 5 months)

- Developed and maintained software solutions for international trade operations, working with SQL/Windows environments and Oracle PL/SQL.

VC

Assistant Developer

Vieira Arts(IP Company)

Jan 2009 - Mar 2010 (1 year 2 months)

- Developed and maintained websites and online administrative systems using PHP and MySQL.

Education

Degrees, certifications, and relevant coursework

EQ

ETEC Bento Quirino

LI

LinkedIn

Java Database Access with Hibernate

Apr 2017

UD

Udemy

Angular 2 - The Complete Guide

Jan 2017

AE

Anhanguera Educacional

Bachelor's Degree, Computer Science

2009 - 2012

Bachelor's degree in Computer Science, completed in December 2012.

CC

Colégio Técnico de Campinas(UNICAMP)

Technical Degree, Computing Technical Course

2007 - 2008

CS

Code School

Breaking the Ice With Regular Expressions

TF

The Japan Foundation

Japanese-Language Proficiency Test N5

CS

Code School

Real Time Web with Node.js

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