Iago is available for hire

Iago Passos

Verified Expert in Engineering

Node.js Developer

Location

Rio de Janeiro - State of Rio de Janeiro, Brazil

Toptal Member Since

March 14, 2022

Iago is currently working as a back-end developer for an educational startup in Brazil, developing the new architecture for their content management system. He is an expert in using Node.js and building the whole architecture on AWS cloud using lambda functions. Iago's prior experience involved using Node.js, Python, and Java, and designing microservices hosted on cloud platforms. In Iago, you will find a life-long learner eager to tackle challenging problems.

Node.js Back-end Express.js API Development Git JavaScript NestJS Python Docker SQL Amazon Simple Notification Service (Amazon SNS)AWS Lambda MongoDB Java Spring Sinon.JS

Portfolio

Grupo Primo

Node.js, AWS Lambda, Serverless Framework, MongoDB, Mongoose, Jest...

Americanas

Python, Flask, Django, Django REST Framework, Google Cloud Platform (GCP)...

BTG Pactual

Java, Spring, SQL, Calypso, Amazon Simple Notification Service (Amazon SNS)...

Experience

Express.js - 5 years Node.js - 4 years MongoDB - 3 years Docker - 3 years AWS Lambda - 3 years Serverless Framework - 2 years NestJS - 2 years Python - 1 year

Availability

Full-time

Preferred Environment

Visual Studio Code (VS Code), Linux

The most amazing...

...project I've worked on involved improving the event publishing architecture of offshore financial transactions for investment banking.

Work Experience

Senior Back-end Developer

2021 - PRESENT

Grupo Primo

Developed a content management system for an educational platform.
Maintained and improved Lambda functions for user registration and payment flow.
Helped structure the back end, improved its performance, and implemented numerous new features.

Technologies: Node.js, AWS Lambda, Serverless Framework, MongoDB, Mongoose, Jest, Amazon Simple Notification Service (Amazon SNS), Amazon Simple Queue Service (SQS), Bitbucket, NPM, Git, GitKraken, APIs, Amazon Web Services (AWS), Integration, Microservices, REST, REST APIs, API Integration, TypeScript, Back-end, Serverless, API Development, JavaScript

Python Back-end Developer

2021 - 2021

Americanas

Worked in the compliance area, developing the services for the registration of sellers and offers according to the compliance rules.
Developed internal tools to monitor the registration of sellers and offers and perform manual intervention when necessary.
Defined the architecture to implement the compliance services into the cloud.

Technologies: Python, Flask, Django, Django REST Framework, Google Cloud Platform (GCP), Google Cloud Functions, Git, GitHub, MongoDB, Pytest, Integration, Microservices, REST, REST APIs, API Integration, API Development, Back-end

IT Analyst

2019 - 2021

BTG Pactual

Migrated the message publishing architecture from an on-premise server to the cloud, using lambda functions and SNS or SQS services.
Developed custom flows on Calypso to meet business needs.
Oversaw implementing corporate flow actions for an offshore account.
Spearheaded gathering requirements in collaboration with internal stakeholders. Defined technical requirements.

Technologies: Java, Spring, SQL, Calypso, Amazon Simple Notification Service (Amazon SNS), Amazon Simple Queue Service (SQS), AWS Lambda, Node.js, Amazon Web Services (AWS), API Development, Back-end

Node.js Back-end Developer

2018 - 2019

Infoglobo

Participated in a system design for our microservices architecture.
Built and maintained different microservices applications.
Developed an interest-based push notification service.

Technologies: Node.js, Express.js, Docker, Docker Compose, MongoDB, Mocha, Sinon.JS, Chai, JavaScript, NPM, API Development, Back-end

Experience

Interest-based Push Notification Service

This back-end microservices service oversees collecting information of interest from readers and sending push notifications through the app and browser when new content related to their interests is created.

Skillset

Libraries/APIs

Node.js, API Development, Sinon.JS, Chai, REST APIs

Languages

Python, JavaScript, Java, SQL, UML, TypeScript

Frameworks

Express.js, NestJS, Spring, Flask, Django, Django REST Framework, Serverless Framework, Jest

Tools

Git, Docker Compose, Amazon Simple Notification Service (Amazon SNS), Amazon Simple Queue Service (SQS), Mongoose, Mocha, GitHub, Bitbucket, NPM, Pytest

Other

Back-end, Calypso, Google Cloud Functions, Algorithms, Pattern Design, IT Project Management, APIs, API Integration, GitKraken, Integration, Serverless

Paradigms

Microservices, REST

Platforms

Docker, AWS Lambda, Google Cloud Platform (GCP), Visual Studio Code (VS Code), Linux, Amazon Web Services (AWS)

Storage

MongoDB

Education

2014 - 2022

Bachelor's Degree in Computer Engineering

Veiga de Almeida University - Rio de Janeiro, Brazil

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