Jeferson Farias Calazans

Senior Fullstack Engineer | LATAM | ReactJS, Next.js, Remix, TypeScript, JavaScript, Go, Python, Django, Elixir, Phoenix

Brazil

500+ connections

Updated 8 months ago

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18+

Years Experience

Roles

Skills

Education

About

Jeferson Calazans is a passionate software developer with a degree in Computer Science. He has been working in web development for the past twelve years. As a passionate software developer, Jeferson has worked for several technology companies in various industries, from payments to e-commerce. Since the beginning of his career, Jeferson has adapted to each situation, helping the companies he worked with to build well-crafted applications. He is always open-minded and eager to learn new methodologies and technologies.

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What does a Fullstack Engineer, Consulting earn?

Experience (16 roles)

Fullstack Engineer, Consulting

Current

JC Technologies

Apr 2024 - Present · 1 yr 4 mos·Worldwide

Software developer consulting services to fast-growing startups in the USA through reputable outsourcing firms.

Fullstack Engineer

Malomo

Aug 2021 - Jan 2024 · 2 yrs 6 mos·Remote

- Create and maintain an ecosystem of Elixir applications and libraries for a post-purchase experience platform. Build integrations with e-commerce services such as Shopify, Klaviyo, Postscript, and Attentive. - Plan and deliver features and improvements in the database, data structures and transfor...

4 yrs 4 mos

5 roles · Apr 2017 - Jul 2021

Senior Software Developer, Ayla: Smart Service

Apr 2021 - Jul 2021 · 4 mos

Senior Software Developer, Ayla: Supply & Financials

Apr 2020 - Apr 2021 · 1 yr 1 mo

Senior Software Developer, Ayla: Sub-acquirer

Apr 2019 - Apr 2020 · 1 yr 1 mo

Developed/contributed to web projects using technologies such as: • Go • React, Redux, webpack • HTML5, CSS3, JavaScript • PostgreSQL, TDD, Git, Docker, Scrum

Senior Software Developer, Cielo LIO Store

Jun 2018 - Mar 2019 · 10 mos

Developed/contributed to web projects using technologies such as: • Node.js, Python, Ruby • Express, Django, Ruby on Rails • React, Redux, webpack • HTML5, CSS3, JavaScript • MySQL, TDD, Git, Docker, Scrum

Software Developer, Frontend

Apr 2017 - May 2018 · 1 yr 2 mos

Developed/contributed to web projects using technologies such as: • Go, Node.js, Python, PHP • Express, Django, Symfony • React, Redux, webpack • HTML5, CSS3, JavaScript, jQuery • Redis, MySQL, TDD, Git, Docker, Kanban

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Education (2)

UERJ/ZO - Unidade Estrategica da Zona Oeste

2010 - 2014

ETERJ - Escola Técnica do Rio de Janeiro

2005 - 2007

Skills (49)

Backend

PythonDjangoFlaskPythonGraphQLFlaskNode.jsPHPRuby on RailsDjango

Backend Framework

PhoenixPhoenix

Database

MySQLPostgreSQLPostgreSQLMySQLRedis

DevOps

GitGitDockerLinux

DevOps Tool

Jira

Frontend

TypeScriptCSSJavaScriptAngularHTML5CSS3jQueryReactJavaScriptCSS3WebpackReduxReactRemixTypeScriptHTML5

Language

ElixirRubyRubyElixir

Other

Object-Oriented Programming (OOP)RESTful WebServicesTDDWeb DevelopmentScrumSoftware DevelopmentCoffeeScript

Certifications (4)▼

Testes Automatizados com Práticas Ágeis

Nower

AWS Lambda and the Serverless Framework - Hands On Learning!

Udemy

Curso de Go (Golang)

Udemy

Lean Kanban

Nower

Languages (2)▼

English(Native or bilingual proficiency)Portuguese(Native or bilingual proficiency)

Frequently Asked Questions

What is Jeferson Farias Calazans's current role?▼

Jeferson Farias Calazans is currently working as Fullstack Engineer, Consulting at JC Technologies.

Where did Jeferson Farias Calazans study?▼

Jeferson Farias Calazans studied Bachelor's degree, Computer Science at UERJ/ZO - Unidade Estrategica da Zona Oeste. They have 2 education entries on their profile.

What skills does Jeferson Farias Calazans have?▼

Jeferson Farias Calazans's top skills include Jira, TypeScript, Python, CSS, Django. They have 49 skills listed on their profile.

Where is Jeferson Farias Calazans based?▼

Jeferson Farias Calazans is based in Brazil.