Image of Alejandro Crosa

Alejandro Crosa

Senior Web Developer

CTO & Co-Founder at Stealth at Stealth

Cupertino, California

Section title

Alejandro Crosa's Email Addresses & Phone Numbers

Alejandro Crosa's Work Experience


Senior Web Developer

September 2007 to March 2008


Senior Web developer and Team leader

September 2007 to March 2008


Staff Software Engineer

August 2014 to February 2017

San Francisco Bay Area

Alejandro Crosa's Education

Universidad Tecnológica Nacional

Alejandro Crosa's Professional Skills Radar Chart

Based on our findings, Alejandro Crosa is ...


What's on Alejandro Crosa's mind?

Based on our findings, Alejandro Crosa is ...

56% Left Brained
44% Right Brained

Alejandro Crosa's Estimated Salary Range

About Alejandro Crosa's Current Company


Frequently Asked Questions about Alejandro Crosa

What company does Alejandro Crosa work for?

Alejandro Crosa works for sinai

What is Alejandro Crosa's role at sinai?

Alejandro Crosa is Senior Web Developer

What is Alejandro Crosa's personal email address?

Alejandro Crosa's personal email address is a****[email protected]

What is Alejandro Crosa's business email address?

Alejandro Crosa's business email addresses are not available

What is Alejandro Crosa's Phone Number?

Alejandro Crosa's phone (213) ***-*377

What industry does Alejandro Crosa work in?

Alejandro Crosa works in the Internet industry.

Who are Alejandro Crosa's colleagues?

Alejandro Crosa's colleagues are Pavan Yalamanchili, Dylan Griffin, Andrew Reitz, Allison Hojsak, David Allen, Jennifer Xue, Hannah Jorgensen, xiaobin wu, William Forrester, and Jeff Kolb

About Alejandro Crosa

📖 Summary

Senior Web Developer @ sinai From September 2007 to March 2008 (7 months) Senior Web developer and Team leader @ HolyRails Worked on several freelance projects and managed teams offshore in Argentina. Most of the sites were built using Ruby On Rails. Also worked on design and rapid prototyping projects. From September 2007 to March 2008 (7 months) Staff Software Engineer @ Twitter From August 2014 to February 2017 (2 years 7 months) San Francisco Bay AreaSenior Software Engineer @ Twitter iOS Product EngineerImplemented the Events, Sports and TV initiatives on iOS.Led the World Cup timelines effort for iOS. From May 2013 to January 2017 (3 years 9 months) Senior Software Engineer @ LinkedIn Here's a list of some of the things I've developed so far:- Signal A whole new way to consume information and news that’s most relevant to you as a professional. Tweets The LinkedIn twitter client that gives you instant access to the updates of people you are following on Twitter, and also suggests connections you should follow. Company Buzz Find relevant trends and comments about your company on Twitter. SAP Community Bio Allows users to indicate their SAP membership on their profile. Wizard Of In An internal roadmap tool.Some random articles written about my work: * * * * * * From October 2009 to April 2013 (3 years 7 months) Senior Ruby on Rails Engineer @ Globant — Worked as the company specialist in Ruby and Ruby on Rails.— Served as reference consultant for Ruby related projects in the company.— Gave workshops and courses inside the company.— Performed technical reviews of candidates for positions related to Ruby and Ruby on Rails.— Developed highly scalable applications with millions of users.— Worked on Ruby and Ruby on Rails open source projects.— Developed as a consultant at LinkedIn the Company Buzz Ruby on Rails application, an application based on LinkedIn’s InApp platform that tracks your companies and interests on Twitter. From August 2008 to June 2009 (11 months) Senior Web Developer & Designer @ Fuera de la Caja (self employed, freelance) — Developed using Ruby on Rails and MySQL. Also worked on the graphic design and brand identity.— Built the Intranet and Server infrastructure for Mateo Propiedades, one of the biggest real state companies in Buenos Aires, currently all vendors and clients use the intranet to find and organize their real state operations. Also designed the site's interface.— worked with the New York based start up offshore building a web 2.0 social application, using Ruby on Rails and SMS messaging back-end.— Many small and medium sized projects with different companies. From January 2006 to June 2009 (3 years 6 months) Senior Platform Architect and Web Developer @ Columbus Communications Jamaica Ltd. (Flow) — Implemented a prepaid platform with Ruby on Rails and MySQL server.— Built an API REST interface for the prepaid platform used by partners and other parts of Flow's infrastructure.— Configured and deployed a high availability database setup with load balancing support using MySQL server.— Worked on the telephony switch integration with the prepaid platform, using SOAP web services.— Implemented caching mechanisms for the platform in order to scale it to hundreds of thousands of users.— Implemented highly granular application permission levels.— Implemented audit to all operations on the prepaid platform. From August 2007 to August 2008 (1 year 1 month) Senior Web Developer @ AFIP (Argentine Tax Administration) — Developed and managed a team in charge of the main tender information system for the institution, using ASP.NET interfacing to an SAP back-end consuming SAP's ABAP functions.— Worked as Team leader for a judicial information system used to consolidate information from all fiscal trials in the country, using PHP and an Oracle database as the back-end.— Developed many applications that are still on production on, and others are used internally.— Built a Web application to assist tax payers online, using and Microsoft SQL server.— Worked on the main internal Intranet, worked on the design and programming of the site using— Built internal intranet sites for several areas of the institution, mostly build with HTML, CSS and graphics.— Worked on web-services implementations consumed by different areas of the government. Implemented in PHP and SOAP web-service protocol with Cryptographic signing.— Worked on several areas of the public site of the institution doing HTML and CSS.— Built a directory application for use internally to find people inside the institution using PHP and MySQL, together with HTML, CSS and graphics. The application retrieved people information through an LDAP server.Many of the applications developed are still on production on, and others are used internally. From October 2004 to January 2008 (3 years 4 months) IT Manager and Senior Web Developer @ Caja de Pagos — IT support technologies and infrastructure.— Worked on the site ASP application backend.— Created scripts for importing and exporting data to their partners. From August 2004 to September 2004 (2 months) Regional Support Agent and Application Developer @ Telmex (Previously called AT&T Latin America)— Developed a C++ desktop application for monitoring POP and SMTP servers.— Built a reporting applications for international clients (Microsoft, SAP, etc) with SLA calculations.— Programmed an SNMP service monitoring tool used by customer support for service issue notification.— Corporate clients support, managed communications and monitoring between NOC's from the US and Argentina.— Wrote technical specifications and trouble issues reports to regional and international customers.— Gave technical workshops to other members of the team. From September 2002 to August 2004 (2 years) Senior Web developer @ Tarifario — Developed the main site for the company in ASP. The site is still online and working to this day, driving their main revenue since then.— Built an advertising oriented site in ASP and Microsoft SQL Server. The site showcased ad's which were uploaded to the site though a video encoding platform.— Served as a Database administrator for all internet sites.— Deployed and configured a backup and automation systems for backing up all data stored in the systems.— Built various internal projects as incubator for product ideas, mostly using ASP.— IT internal infrastructure and networking, implemented the original network topology, installing hardware and performing the necessary configurations on the computers.— Designed the UI and graphics for all sites. From February 2000 to September 2002 (2 years 8 months) Staff Software Engineer @ Dashbase From February 2017 to June 2019 (2 years 5 months) San Francisco Bay AreaCPO and Co-Founder @ Decision Mate From September 2019 to June 2020 (10 months) San Francisco Bay AreaCTO & Co-Founder at Stealth @ Stealth We believe that there is a lot more to do in consumer fintech, and that software can help bring purpose to our financial lives. Staff Software Engineer @ Slack Lead enterprise features on iOS. From June 2020 to October 2020 (5 months) San Francisco Bay Area

Alejandro Crosa’s Personal Email Address, Business Email, and Phone Number

are curated by ContactOut on this page.

10x your recruitment & sales conversations

Contact over 200M professionals
instantly by email or phone. Reveal
personal & work email addresses, as
well as phone numbers accurately with
our ContactOut Chrome extension.

In a nutshell

Alejandro Crosa's Personality Type

Introversion (I), Intuition (N), Thinking (T), Judging (J)

Average Tenure

1 year(s), 10 month(s)

Alejandro Crosa's Willingness to Change Jobs



Open to opportunity?

There's 100% chance that Alejandro Crosa is seeking for new opportunities

Alejandro Crosa's Social Media Links

Engage candidates 10x faster

Enjoy unlimited access and discover candidates outside of LinkedIn

Trusted by 400K users from

76% of Fortune 500 companies

Microsoft Nestle PWC JP Morgan Merck Rackspace WarnerMedia Randstad Yelp Google

The most accurate data ever

CCPA Compliant
GDPA Aligned
150M Personal Emails
300M Work Emails
50M Direct Dials
200M Professional Profiles
30M Company Profiles

Hire Anyone, Anywhere
with ContactOut today

Making remote or global hires? We can help.

  • 50 contacts/month
  • Works on standard LinkedIn only
  • Work emails, personal emails, mobile numbers
* 1 user per company limit

No credit card required

Try ContactOut for Free