Codeminer 42's logo

FREAKING AWESOME This is our Lastname
"firmitas, utilitas, venustas" Execution is Key

    Maintenance and Improvements over the legacy website (Java/Infrastructure/Support)

  • Campanha LOL: Semana da Folia

    Collaboration made to Riot Games to implement this 2015 Carnival campaign for LOL fans

    Semana da folia
  • Dinda

    Flash Sales e-commerce companion for (Rails/greenfield project)

  • Consulta Remédios

    Maintenance of the current website and finishing the development of the new one. Taking care of the transition.

    Consulta remedios
  • Olook

    Fashion specific ecommerce (Rails/integration with 3rd parties/full implementation and initial operations/greenfield project)

  • Riot Games

    League of Legends Tournament Management Site - Joga Junto

    Riot jogajunto

    Integrating with existing offshore teams (Rails/legacy/improvement)

  • Lab Web

    Novo site para os projetos do Lab Web da

    Labweb w3c
  • A Lavadeira

    Zero friction laundry delivery system, the Netflix for laundry (Rails/greenfield project)

  • Saraiva Digital Reader

    Implementation of a Amazon Kindle-like Web-based ebook reader (Javascript/Java/greenfield project)

  • Tim Plural Conectados

    Community and Job listing portal for low income regions. (Rails/continuation of previous work/improvements)

  • Cidade Democrática

    Project Rescue and revamping of the entire community site (Rails/legacy/upgrade and improvements)

  • Rubyconf Brasil

    Co-Founder Fabio Akita organizes the annual Rubyconf Brasil since 2008. This 9th edition in 2016 brings almost 90 speakers from all over the world and more than 1,000 developers

    Rubyconfbr 2016
  • Walljobs

    Rescuing, finishing, releasing and maintaining this fledgling Job Board website

  • Blink Bid

    Website for creative professionals built with Ruby on Rails, deployed on Heroku. We helped iron out the structure and add new features.

  • Westfield Labs

    One of the largest projects we managed, with several teams building Rails-based APIs for many of Westfield Mall's services, from product catalogue, to consumer management, to parking and more.

    Westfield labs
  • Bidu

    Maintenance and Improvement of existing startup product (Rails/maintenance)

  • League of Legends - CBLOL

    iOS and Android semi-native apps built with React Native for players to check out the Brazilian LOL Championship. It's been installed hundreds of thousands of times already.

    Screenshot from 2017 07 12 10 14 40
  • eduK

    eLearning portal to replace the legacy Buzzero (Rails/greenfield project)

  • Locaweb's New Payment Gateway

    Brand new highly scalable payment gateway built from scratch for Locaweb (Ruby/Goliath/infrastructure/greenfield project)

  • Vote na Web

    App and Infra optimisation. Both performance, stabilisation and outstanding bug fixes (Rails, AWS)

  • Badabum

    Platform to allow anyone without tech-skills to create his own customized website (Rails/infrastructure/greenfield project)

  • Revmob

    App and Devops optimisation. Billing reduction of at least 50% (Rails, JRuby, Node.js)

  • Adaptativa - FUVEST

    Joint campaign for FUVEST exam simulator (2014) (Rails/greenfield/infrastructure)

    Adaptativa fuvest 2014
  • Leroy Merlin

    New Front-end development (example: Inspire-se section, responsive HTML5/CSS3/JS)



Every company needs a great set of software applications. We can provide you the best of breed in terms of productivity, code quality and product life cycle, user experience, efficient processes, team formation. Get to know some of our clients.

  • Westfield Labs
  • Solvian
  • Bio Ritmo
  • Folha de São Paulo
  • Vote na Web
  • Consulta Remédios
  • Portabilis
  • Facebook
  • Mojo Lingo
  • Lumini
  • Leroy Merlin
  • Minuto Seguros
  • Dinda (
  • ESPN Brasil
  • Présumé
  • Tener
  • Fundação Estudar
  • Pipefy
  • Cyanna
  • Umanni
  • 99jobs
  • Riot Games Brasil
  • Banco Sofisa Direto
  • Data Folha
  • cubo
  • A Lavadeira
  • Bicos Online
  • CotaBest
  • BlinkBid
  • Locaweb
  • Semaphore
  • UOL Pagseguro
  • Walmart
  • iQuilibrio
  • Badabum
  • Moema Tem
  • Editora Saraiva
  • iFood
  • Instituto Natura
  • Trindade Investimentos
  • AppHere
  • Officer
  • Adaptativa
  • eduK
  • Intensimed
  • Revmob
  • Diagnostycos
  • Magazine Luiza
  • Callix
  • Medicinia
  • Stars Premium
  • GAS Tecnologia
  • Tim
  • ADTsys
  • Stone
  • GoDaddy
  • Redpoint e.Ventures
  • Olook
  • Bidu
  • Tile App
  • Biva
  • Kitado
  • Lumera
  • NEO4J
  • Cidade Democrática
  • Amgen


"Genius is the gold in the mine; talent is the miner who works and brings it out."

Lady Blessington

Codeminer 42 is a Brazilian software boutique focused in delivering the best value for its customers. We started the operation at September of 2011 and so far we have expanded to 11 different cities in Brazil with the best professionals we can find.

Our speciality is Ruby on Rails web development and it's surrounding ecosystem - that includes cutting edge new technologies -, we are very experienced in delivering all kinds of tech products such as e-commerce, e-learning, social networks, content management systems, processes automation.

We have worked for small and big companies, we offer an assortment of services that goes from greenfield project development life cycle, legacy projects rescue, nearshore outsourcing, and so on.

If you want to have not only a great web application in production but also improve your software development processes and quality assurance, we can help.

What we do


You will have a predictable cost and an expected delivery date and we will manage the implementation using Agile best practices. The Scope is variable and we frequently reassess what's to be built, so you have the software you really need at the end.

Ideal for companies that don’t have an internal development team.

Team Augmentation

We identify the best team to help you achieve your goals.

Sometimes you already have an internal core team that needs to tackle more than they can implement until certain deadlines. The best thing to do is divide to conquer. Leave the core team doing the core software and add us to help on new features, extensions, maintenance, in order to meet the required deadlines. We will work within your Agile processes, together with your team.

Ideal for companies with an established internal team.

Technical Assessment

You have a big operation and want to make sure you're using the best practices.

This is specially useful to understand how your internal software development processes and outcomes are. The idea behind a technical assessment is to give you enough information so you understand it's life cycle, productivity levels, quality levels of the software being produced, and recommendation on how to improve.

Companies that maintain their own software.

Project Rescue

You want to bring health back to your product.

You already have source code implemented either already in production or not, but you're insecure if it's done in a safe, quality, and/or scalable way and you need to make sure you can keep adding new features and growing your userbase without unfortunate surprises. We can fix your project and bring it back to life.

Companies that are terminating with another 3rd party and need a reliable partnership.

Who we are

We are miners.

Deliver value in any project is a very hard process. As software developers we strive to deliver not only well written code, but code that delivers real value to each client.

It's not good enough to just be concerned with code for code's sake, but to deliver code that solves real problems and delivers real value. And this is the mission that we, as miners, will keep digging deeper to achieve.

  • Davidsilveira
    David Silveira
  • Sergio
    Sérgio Murilo Varela
  • Bruno
    Bruno Borges
  • Patricia
    Patricia Bastos
    git rebase -i HEAD~1 "rspec you must!"
  • 14362964
    Sarah Raquel
    Food enthusiast and developer
  • Profile moises
    Moisés Rodrigues
    Dev e abridor de mares nas horas vagas
  • Andre
    André Pereira
  • Ricardo
    Ricardo Eihara
  • 5eddb26b1c3bd83c233e253e2121d6ba
    João Mangilli
  • Paulo
    Paulo Chaves
  • Uwofchpb 400x400
    Alexandre Karpinski
    Dev 【=◈︿◈=】
  • Foto perfil
    Thiago Araújo
  • Leonardo
    Leonardo Santos
    Code Invoker - Order of the Kaffee Wizards
  • Julio cesar
    Júlio Cesar
    Junk food enthusiast
  • Lucas
    Lucas de Assis
    Developer, Committed to people
  • Me
    Rauan Assis
  • Juarez
    Juarez Lustosa
  • Matheus
    Matheus Azzi
    Filósofo de bar e troll
  • David
    David Costa
  • Maychell2
    Maychell Oliveira
  • Marcle rodrigues
    Marcle Rodrigues
  • Juliana
    Juliana Dias
  • Felipe nolleto nascimento   perfil
    Felipe Nolleto
    "expect( life ).toBe( awesome )"
  • Dieggo faustino
    Diêggo Faustino
    Tto infinity and beyond
  • Marcelo alexandre
    Marcelo Alexandre
  • Talysson
    Talysson Oliveira
    JavaScript Defense Attorney
  • Jonathan
    Jonathan Bruno
  • Edgar
    Edgar Yonemura
  • Alessandro
    Alessandro Dias
    Comentador de PR
  • Rodrigo virgilio
    Rodrigo Virgílio
  • Img 0375
    Wender Jean
  • Foto
    Bruno Castro
    // TODO : Write a cool description about me
  • Fidelis
    Fidelis Clayton
    "Trust me, I'm the Doctor"
  • Hayssa
    Hayssa Costa
  • Leonardo
    Leonardo Freitas
  • Romulo
    Romulo Storel
  • Carlos
    Carlos Lopes
    Señor Developer Campineiro
  • Albarnaz
    Fabrício Albarnaz
  • 12034256 963242317052075 6967788363988439227 o
    Fabio Akita
    git push --force
  • 5838414
    Vitor Talaia
    Formula One Fan
  • Rodrigoboniatti
    Rodrigo Boniatti
  • 13876287 10154396108368648 3954905322218628655 n
    Halan Pinheiro
    Ninja Padeiro (Louco)
  • Felipe
    Felipe Soares
    Apreciador de Abacaxis
  • Fabricio
    Fabricio Augusto
    Allons-y, Alonso!
  • Eu 2014 pb
    Paulo Diovani
    “I’ä! I’ä! Cthulhu Fhtagn!”
  • Thiago alves
    Thiago Alves Luiz
  • Foto
    Jhony Taveira
  • Img 3603
    Samuel Flores
    CDD - Coffee Driven Development
  • Rodrigo
    Rodrigo Abilheira
    Combinado não é caro
  • Vanessa
    Vanessa Oliveira
    Assistente Administrativa
  • Fladson
    Fladson Gomes
  • Igor 01
    Igor Brandão
    Belly-Shover, Petrolhead and Programphile
  • Gandralf amarelo
    Alexandre Gandra
    Lead Developer
  • Willame soares
    Will Soares
  • Chaveiro
    Rodrigo Chaveiro
    The Key Master
  • Tiarly codeminer
    Tiárli Oliveira
    "Tiárli" Brown
  • Elma
    Elma Santos
  • Abner
    Abner Alves
  • Bruno.silva
    Bruno Silva
  • Brunocecatto
    Bruno Cecatto
  • Jonatas
    Jonatas Rancan
    Motociclista e Developer
  • Rodrigo ulisses
    Rodrigo Ulisses
  • Img 20170510 wa0001
    Iago Dahlem
    "Developer and open source enthusiastic"
  • Guiherme
    Guilherme Moreira
    Faz código e doces, encomende o seu
  • Img 20160112 162404292
    Cyrus Cavalcante
    Cyrus Black - Order of Phoenix
  • Luisgois
    Lucas Gois
  • Alceu
    Alceu Medeiros

Visit us

São Paulo

+55 11 3729 1422
Rua Demóstenes, 956, Campo Belo
São Paulo - SP - Brasil - CEP 04614-014


Av. Dr. Romeu Tórtima, 240 - Loja 2 - Jardim Santa Genebra II
Campinas - SP - Brasil - CEP 13084-791

Novo Hamburgo

Av. Pedro Adams Filho, 5573 - Ed. Fin-Hab, Sala 1006 - Centro
Novo Hamburgo - RS - Brasil - CEP 93510-135


Av. Amintas Barros, 3700 - Corporate Tower Center, Salas 1807/1808/1809B - Lagoa Nova
Natal - RN - Brasil - CEP 59075-250


Av. Izoraida Marques Peres, 256 - Ed. Av. Paulista, Sala 53 - Parque Campolim
Sorocaba - SP - Brasil - CEP 18048-110


Av. Jockey Clube, 299 - Ed. Euro Business, Sala 1409 - Joquei Clube
Teresina - PI - Brasil - CEP 64049-240


Av. São Francisco de Assis, 647 - Centro Comercial Mariah, Sala 09 - Jundiaí
Anápolis - GO - Brasil - CEP 75110-810


Av. T-10, 208 - Ed. New Times Square, Sala 802 - Setor Bueno
Goiânia - GO - Brasil - CEP 74223-060


Rua Professor Leandro Cavalcanti da Silva Guimarães Jr, 85 - Simara
Batatais - SP - Brasil - CEP 14300-000


Av. Vereador Rubéns Siqueira Ribas, 3171 - Valley Coworking - Santa Cruz
Guarapuava - PR - Brasil - CEP 85015-080

Santa Maria

Rua Tuití, 1188 - Lab1188 Coworking - Centro
Santa Maria - RS - Brasil - CEP 97015-661