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Efren Diaz Email & Phone Number

Engineering Manager at Babbel at Babbel
Location: Venezuela, United States, United States 11 work roles 2 schools
1 work email found @babbel.com 1 phone found area 424 LinkedIn matched
✓ Verified May 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email · 1 phone

Work email e****@babbel.com
Direct phone (424) ***-****
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Babbel
Role
Engineering Manager at Babbel
Location
Venezuela, United States, United States

Who is Efren Diaz? Overview

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Quick answer

Efren Diaz is listed as Engineering Manager at Babbel at Babbel, based in Venezuela, United States, United States. AeroLeads shows a work email signal at babbel.com, phone signal with area code 424, and a matched LinkedIn profile for Efren Diaz.

Efren Diaz previously worked as Engineering Manager at Babbel and Senior Software Engineer at Babbel. Efren Diaz holds Bachelor Of Science (Bs), Computer Science from Universidad Nueva Esparta.

Company email context

Email format at Babbel

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{first_initial}{last}@babbel.com
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AeroLeads found 1 current-domain work email signal for Efren Diaz. Compare company email patterns before reaching out.

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Profile bio

About Efren Diaz

I'm a well-rounded systems engineer, I've been working in software development since 1998, with 25 years of experience and a broad expertise in different software development tools and different systems. I've worked for the private sector and government. I've also provided my services to companies in the US (Remote).There isn't a problem I can't tackle, I'm a strong believer in getting things done and finding the right tool for the job. I’m a passionate advocate of TDD and I’ve managed to get test coverage going and increased on almost every project that I’ve worked on.I’m curious and always willing to learn new things. I also enjoy sharing my knowledge with others.

Listed skills include Ruby, Ruby On Rails, Git, Scrum, and 33 others.

Current workplace

Efren Diaz's current company

Company context helps verify the profile and gives searchers a useful next step.

Babbel
Babbel
Engineering Manager at Babbel
Website
babbel.com
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11 roles

Efren Diaz work experience

A career timeline built from the work history available for this profile.

Engineering Manager

Current
Babbel

Berlin, DE

May 2021 - Present

Senior Software Engineer

Babbel

Berlin, DE

Jan 2019 - May 2021

Senior Backend Engineer

Zenmate

Berlin, Capital City, DE

- Migration of the company's monolithic API to a microservices architecture- Development of new features - Investigate and troubleshoot problems with payment providers- Maintenance of legacy code base- Mentoring Junior Devs

Aug 2018 - Dec 2018

Senior Developer

Crystalcommerce

Mountlake Terrace, Washington, US

Maintain and extend a huge legacy application written in Rails 3, created an adapter to move data from over 1000 MySQL Databases to a MongoDB Server and keep it up to date. Migration of the company’s infrastructure to OpenStack. Added monitoring to our open stack infrastructure using SensuIntegrations with Amazon MWS, Ebay, TGCPlayer, Paypal, Authorize.net

May 2015 - May 2018

Software Developer

Adaptiv.Io

Tech lead for two major online games, in charge of building web applications to support online gaming with different technologies but mainly Ruby on Rails.Integrate with different merchants (Playspan, GMG, Incomm, GlobalCollect) and games studios (SBI, RHI, Zenimax Online).

Jan 2012 - Feb 2015

Rails Developer

Sonian

Waltham, Massachusetts, US

Worked from the ground up on this start­up and it’s project for email archiving over amazons EC2. I developed the front end on Ruby on Rails and parts of the backend in Ruby, worked with Prototype,jQuery, Mysql and Elastic Search. The entire application handles over a petabyte of data, I used agile methodologies such as scrum, TDD, pair programming.

Aug 2007 - Oct 2011

Senior Consultant

Deepdata

Analysis, design and development of the company’s web application. Development of the entire front end for the services provided by the company, using Ruby, Ruby on Rails, Postgres and Ajax.

Sep 2006 - Aug 2007

Senior Consultant

Valhalla Project S

Analysis, design and development of web applications. I worked on quite a large number of projects in different industries and successfully delivered all of them on time. All projects were done using Java and a variety of Java frameworks for web applications.

Nov 2001 - Sep 2006

Junior Analyst

Accenture

Dublin 2, IE

Analysis, design and development of new modules for Accenture'sproprietary software ALTAMIRA, I had meetings with clients and productmanagers,gather requirements, and provided tech support.

Jul 2001 - Sep 2001

Consultant / Developer

Synergy Delphi Group

Design and development of web applications, for several clients.I had meetings with clients, gather requirements, wrote use cases and created UMLdiagrams. I also provided tech support.

Feb 2001 - Jun 2001

Intern

Telcel ­ Bellsouth

Undergraduate Thesis (A Wap portal)

May 2000 - Nov 2000
Team & coworkers

Colleagues at Babbel

Other employees you can reach at babbel.com. View company contacts →

LI Liubov Iakovleva Liubov Iakovleva Colleague at Babbel Berlin, Berlin, Germany, Germany View → IL Isabela Lima Isabela Lima Colleague at Babbel Berlin, Berlin, Germany, Germany View → AA Adewumi Ayomide Adewumi Ayomide Colleague at Babbel Nigeria, Nigeria View → TC Taylor Carrasco-Hermerding Taylor Carrasco-Hermerding Colleague at Babbel Berlin, Berlin, Germany, Germany View → SF Shari Flanders, Mba Shari Flanders, Mba Colleague at Babbel Fort Lauderdale, Florida, United States, United States View → LN Lalida Noijan Lalida Noijan Colleague at Babbel Berlin, Berlin, Germany, Germany View → RT Riley Theressa Mayer Riley Theressa Mayer Colleague at Babbel Germany, Germany View → SK Steph Koyfman Steph Koyfman Colleague at Babbel Brooklyn, New York, United States, United States View → SV Sonnia V. Sonnia V. Colleague at Babbel Guayaquil, Guayas, Ecuador, Ecuador View → VP Valentina Pelos Valentina Pelos Colleague at Babbel Berlin Metropolitan Area, Germany View →
2 education records

Efren Diaz education

Bachelor Of Science (Bs), Computer Science

Universidad Nueva Esparta

High School, Science

Bolivar Y Garibaldi School
FAQ

Frequently asked questions about Efren Diaz

Quick answers generated from the profile data available on this page.

What company does Efren Diaz work for?

Efren Diaz works for Babbel.

What is Efren Diaz's role at Babbel?

Efren Diaz is listed as Engineering Manager at Babbel at Babbel.

What is Efren Diaz's email address?

AeroLeads has found 1 work email signal at @babbel.com for Efren Diaz at Babbel.

What is Efren Diaz's phone number?

AeroLeads has found 1 phone signal(s) with area code 424 for Efren Diaz at Babbel.

Where is Efren Diaz based?

Efren Diaz is based in Venezuela, United States, United States while working with Babbel.

What companies has Efren Diaz worked for?

Efren Diaz has worked for Babbel, Zenmate, Crystalcommerce, Adaptiv.Io, and Sonian.

Who are Efren Diaz's colleagues at Babbel?

Efren Diaz's colleagues at Babbel include Liubov Iakovleva, Isabela Lima, Adewumi Ayomide, Taylor Carrasco-Hermerding, and Shari Flanders, Mba.

How can I contact Efren Diaz?

You can use AeroLeads to view verified contact signals for Efren Diaz at Babbel, including work email, phone, and LinkedIn data when available.

What schools did Efren Diaz attend?

Efren Diaz holds Bachelor Of Science (Bs), Computer Science from Universidad Nueva Esparta.

What skills is Efren Diaz known for?

Efren Diaz is listed with skills including Ruby, Ruby On Rails, Git, Scrum, Mysql, Software Development, Java, and Linux.

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