Sebastian Guerrero

Hello,

My name is Sebastián Guerrero, 44 years old, born and grown up in Salta, Argentina.
I am always learning and searching for new opportunities and challenges.

I am currently working as a Lead Software Engineer on Frontier Airlines, an ultra low cost airline based on Denver, Colorado, USA

I like coding with C# and JavaScript, using frameworks and libraries such as ASP.Net MVC, EntityFramework, SimpleInjector, LinQ, AutoMapper, Vue.js, KnockoutJS, AngularJS, SignalR, JQuery, BootStrap, etc., and deploying solutions on Azure.

Contact Details

Sebastián Guerrero
+54 9 387 5333953
[email protected]

Download Resume

My latest works

The latest two projects where I worked as full stack developer: Skeddoc and LawPanel.

What is Skeddoc?

Doctor's Dashboard

Patients

Settings

What is LawPanel?

Case Management

Templates

Reporting

You can visit my channel to watch other developments and features.

What I'm Doing

1. Web full stack

Full stack web applications from scratch, using agile methodologies, making periodic deliveries agreed and managed through tools such as TeamWork or BaseCamp. Do you need a web application? Contact me.

2. Desktop/mobile

I have experience developing desktop systems and mobile applications for organization management: accounting, billings, appointments, records, reports etc.

3. Consulting

Do you have a project in mind and want to know what technology you should use? Do you want to know the estimated development time? Are you using your resources efficiently? I can advise you, contact me.

My Strengths

"I’m a great believer in luck. The harder I work, the more luck I have"
Thomas Jefferson

ME

Superhero

Pretty Good

Good

Newbie

92%

Compromise

70%

Organization

82%

Perseverance

55%

Creativity

78%

Enthusiasm

Resume

Work experience
2005 - Today

2022 - NOW

Lead Software Engineer - Frontier Airlines

Provided software application engineering and maintenance for development lifecycle. Analyzed existing software implementations to identify areas requiring improvement. Reviewed code, debugged problems, and corrected issues. Worked with back-end developers to design APIs. Managed development milestones from initial steps through final delivery. Participated in requirements gathering to solidify prerequisites and determine best technical solution to meet business needs. Optimized web applications for speed, scalability and security.
Achievement: Improvements and new features deployed on the legacy IBE like the GoWild! All You Can Fly pass.
Reporting to: Team Manager.
Technologies:
C# Javascript AngularJS JQuery ASP.Net MVC Azure DevOps CI/CD Vue.js Azure GIT HTML CSS Navitaire DotRez

2015 - 2022

Lead Developer - LawPanel

Analysis, coding, testing, implementation, architecture, etc.
Achievement: API centralized design solution with successful integration of production systems.
Reporting to: CTO.
Technologies:
C# Javascript AngularJS JQuery ASP.Net MVC NHibernate StructureMap SignalR SQL Server EntityFramework AutoMapper Azure Azure API Management Xamarin Forms TeamWork HTML CSS TeamFoundation

2014 - 2017

Sr. Developer - Blackfish

Development of new products and maintenance of others already implemented. Analysis, coding, testing, implementation, and maintenance of the requirements of different projects. Coordination of work through tools such as TeamWork or BaseCamp.
Achievement: Startups created successfully from scratch for clients from Europe and the USA.
Reporting to: Project Leader.
Technologies:
C# Javascript KnockoutJS JQuery ASP.Net MVC NHibernate StructureMap SignalR SQL Server EntityFramework AutoMapper Azure TeamFoundation TeamWork HTML CSS LinQ

2013 - 2014

Sr. Developer - Brightstar Corp.

Development and maintenance of support solutions to the Production Line. Third-level support to the production area in production lines in the event of any downtime.
Achievement: Leadership and implementation of a real-time monitoring system for all LG branded production lines, offering through graphics and automated indicators a general and detailed overview of the production status of the shift second by second.
Reporting to: Sector supervisory.
Technologies:
C# Javascript HTML Linux TCL WinForms VB6 SQL Server Oracle Database

2012 - 2013

Sr. Developer - Blackfish

Development of new products and maintenance of others already implemented. Analysis, coding, testing, implementation, and maintenance of the requirements of the different projects. Use of agile development methodologies with sprints every two weeks with clients. Coordination of work through tools such as TeamWork or BaseCamp. Development of applications for technological startups.
Achievement: Implementation of a SaaS System for the management of private health in Milan (Italy) called "Skeddoc" which currently continues serving thousands of patients and doctors.
Reporting to: Project Leader.
Technologies:
C# Javascript HTML CSS SQL Server NHibernate StructureMap ASP.Net MVC Azure KnockoutJS SignalR LinQ AutoMapper

2007 - 2012

Sr. Developer - Caja de Previsión Social

Analysis and proposal of changes in technology. Migration of the data warehouse. Development, implementation, and maintenance of an Integral Management System of the organization.
Achievement: Migration of a system that operated 15 years ago with information of thousands of members to a new more modern implementation, keeping the information, processes and new developments without interruptions after the implementation.
Reporting to: General manager.
Technologies:
VB6 MySQL PHP Crystal Reports Debian Apache

2007 - 2011

SSr. Developer - OSCOPAIPA

Development, analysis, and maintenance of the Management System of the organization. Configuration and maintenance of servers of BBDD, mail, and the web. Management of own annual budget. Analysis of the requirements of the Administrative area. Coordination of two systems to exchange information through APIs and other interaction mechanisms.
Achievement: Complete systematization of all the fundamental processes of the organization, thanks to which they stopped using Excel spreadsheets, individual files of affiliates in paper, and written accounting books.
Reporting to: General manager.
Technologies:
VB6 MySQL PHP Crystal Reports Debian Apache

2008 - 2009

SSr. Developer - ENJASA S.A.

Development and maintenance of Integral Management System (HR, Accounting, Marketing, Management, among others). Mobile Developments. Coding, testing and implementation of indoor solutions.
Achievement: Implementation of a Control System for poker tournaments at the Sheraton Salta Casino.
Reporting to: Project leader.
Technologies:
VB6 Crystal Reports SQL Server

2005 - 2011

Jr. Developer - COPAIPA

Design, development and maintenance of the Integral Management System of the institution. Survey of needs of Administrative areas, Accounting, Management, Press, among others. Design and development of work systematization solutions through a holistic management perspective. Error correction. Planning of new functionalities and improvement of those already implemented.
Achivement: Completion of a complete systematization and modernization of the institution, failing to use Excel spreadsheets and reducing by a significant amount the manual processes.
Reporting to: General manager.
Technologies:
VB6 MySQL PHP Crystal Reports Debian Apache

My education
1995 - 2001

1995 - 2001

Técnico en Computación

Escuela Nacional de Educación Técnica N° 3 - General Martín Miguel de Güemes

Skills & Expertise

70%

C#

60%

JavaScript

75%

ASP.Net MVC

45%

HTML+CSS3

60%

Azure

65%

JS Frameworks

Knowledge

Object oriented programming

85%

Graphic design

20%

SOLID

65%

Technology choice

90%

Best coding practices

80%

Application architecture

90%

Accolades

The accolades, just like the scrapes and bruises, fade in the end, and all you're left with is your ambition.

Marketing Excellence Awards 2014

Excellence in Social Media Marketing

The "Big Idea" Competition 2012

Top 3 Team

Water Seven Art Directors Club Awards 2010

Finalist - Design

Finalist - Print Ad

Young Guns Award 2009

Finalist - Digital Campaign

Milestones Achieved

"It's a dangerous business, Frodo, going out your door. You step onto the road, and if you don't keep your feet, there's no knowing where you might be swept off to."
Bilbo Baggins

0

Cups of Coffee

0

Hours Worked

0

TO-DOs

6

Happy Clients

Work Process

As a human being, I'm work in process.

Lorem ipsum dolor sit amet, consectetuer adipiscing elit, sed diam nonummy nibh euismod tincidunt ut laoreet dolore magna aliquam erat volutpat. Ut wisi enim ad minim veniam, quis nostrud exerci tation ullamcorper suscipit lobortis nisl ut aliquip ex ea commodo consequat.

1. Idea

2. Sketch

3. Design

4. Develop

5. Test

6. Launch

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Hello,

Contact Details

My latest works

What is Skeddoc?

Doctor's Dashboard

Doctor's Dashboard

Patients

Patients

Settings

Settings

What is LawPanel?

Case Management

Case Management

Templates

Templates

Reporting

Reporting

What I'm Doing

1. Web full stack

2. Desktop/mobile

3. Consulting

My Strengths

ME

Superhero

Pretty Good

Good

Newbie

Resume

Work experience 2005 - Today

Lead Software Engineer - Frontier Airlines

Lead Developer - LawPanel

Sr. Developer - Blackfish

Sr. Developer - Brightstar Corp.

Sr. Developer - Blackfish

Sr. Developer - Caja de Previsión Social

SSr. Developer - OSCOPAIPA

SSr. Developer - ENJASA S.A.

Jr. Developer - COPAIPA

My education 1995 - 2001

Técnico en Computación

Skills & Expertise

C#

JavaScript

ASP.Net MVC

HTML+CSS3

Azure

JS Frameworks

Knowledge

Object oriented programming

Graphic design

SOLID

Technology choice

Best coding practices

Application architecture

Accolades

Marketing Excellence Awards 2014

The "Big Idea" Competition 2012

Water Seven Art Directors Club Awards 2010

Young Guns Award 2009

Milestones Achieved

Cups of Coffee

Hours Worked

TO-DOs

Happy Clients

Work Process

Contact Me

SayHi

Sebastián Guerrero

Email: [email protected]

Work experience
2005 - Today

My education
1995 - 2001

Say
Hi