Software Engineer Senior

Randall Vargas Li

San José, Costa Rica Phone: +506-****-****

********@*****.***

Resume:

Name: Randall Vargas Li

Birthplace: San José, Costa Rica

Address in Costa Rica: Costa Rica, 40101

Professional Experience

06.2024 – 12.2024 FuxionMix.com (Personal project)

Owner, creator.

Sqlserver, c#, mvc, .net core, js, jquery

Azure Chatgtp-4 text, azure tts. Narakeet tts.

10.2021 – 06.2024 Principal Software Engineer (Publicis Groupe, CR)

Technical leader, Principal Software engineer

UPS contingency failover system, firebase, c#, json

rOar ETL for SSAS, cosmosDB, Azure datafactory, sqlserver

ServiceNow production L3/L4 engineer.

05.2021 – 10.2021 Senior Software Engineer (3pillar Global, Costa Rica)

Fullstack senior software engineer heavy focused on backend 04. 2020 – 01.2021 Senior Software Engineer (Garino.com.uy, Uruguay)

9 month project. As a private contractor.

API backend first design from scratch

.Net core 3.1, EF, Web API, Swagger, sqlserver, rebex mailer

Docker containers, Docker-Compose. Telerik JustMocks.

Microservices Architecture, multiple software design patterns 06. 2019 – 03.2020 Senior Software Engineer (Dee.ie, Ireland, EU)

9 month project. As a private contractor.

Backoffice development. API Backend Development

01. 2019 – 06.2019 Senior Software Engineer (InnRoad.com, NY, USA)

6 month project. As a private contractor

GDPR anonymizer backend developer w/WebAPI Restful

Core Mailer with AWS SQS/SES/SNS

Unit tests / QA / TDD

HomeAway.com Integration w/WebAPI .NET

01. 2017 – 01.2019 Senior Software Engineer Quarksoft.com (Quarksoft LLc, New York, USA)

WPF, WCF, WebAPI, .Net, soap/restful

WinForms, C#, VB/VBA

WebForms & MVC.NET, Javascript, jQuery, CSS3, HTML5 05. 2014 – 08. 2016 Senior Software Engineer – GpsSatelite.com (Geos Telecom S.A., SJ CR)

Randall Vargas Li

San José, Costa Rica Phone: +506-****-****

********@*****.***

Windows Phone Apps, Android Apps

Webservice, Database and Backoffice frontend

.Net technologies, c#, java, Netbeans, Eclipse, QA 01. 2013 – 03. 2014 Mid Software Developer – Bond-Pro.Com (Bond-Pro Enterprises, FL, USA)

Legal Bond issuing Software

WinForms / C# / WebForms / HTML5/JS/CSS3

01. 2010 – 01. 2012 Software Lead Project (World Internet Solutions S.A. (WINS), San Jose Costa Rica) – Promotion/Rehire

Poker Server / Poker Network server & client for Linux w/java

Development/modify interface for POK3d client

06. 2007 – 01. 2010 IT Consultant (World Internet Solutions S.A. (WINS), San Jose, Costa Rica)

Custom software development

Hardware & Software support for windows servers

Online Casino games development

01. 1999 – 01. 2006 Consultant Software Development and Technical Support Services

(Servicios Médicos y Constructivos S.A., San jose, Costa Rica)

Medical trials control custom software in-house development

WinForms / SQL server / Networking and general support 01. 2011 – 01.2019 Certified instructor (New Horizons Computer Learning Centers, San Jose, Costa Rica), Cenfotec University and Elev8me.Com

As a private contractor. Instructor part-time or at nights.

Mentored learning, Android teaching, .Net teaching

See https://www.elev8me.com/en-us/main-

menu/organizations/tutors/speaker-list/randall-vargas 01. 1999 – 01.2003 IT support, Programming (Intelisoft S.A., San Jose CR)

Custom software development

Hardware & Software repair & support

Freelancing projects (local, freelancer.com / upwork.com) 01.2024 – 05.2024 Freelancing Project (PhoneIQ.Co)

Docker microservices, c#, sqlserver,

HotTowel (durandal, knockoutJS, breeze)

Salesforce API, twilio/sendgrid api, other 3rd party libraries

Kamailio SIP server, kazoo, servers infrastructure. 05.2023 – 08.2023 Freelancing Project (Zaleos engineering (zaleos.net), Spain)

Kamailio SIP – ISUP7 translation from C++ to C# succesfully

Created small Blazor website for intranet use.

05.2023 – 08.2023 Freelancing Project (BDCF llc (bdfc.net), US)

SMG software maintenance.

ADHOC tasks.

06.2023 – 08.2023 Freelancing Project (Brickriver llc (gcfa.org), US) Randall Vargas Li

San José, Costa Rica Phone: +506-****-****

********@*****.***

Multiple fixes and new features.

Implemented a new way to upload questionaries and it improved processing speed 600% faster

05.2023 – 06.2023 Freelancing Project (ZeMobile (darsedebaja.com), Spain)

Create automated PDF template completion based on email variables sent from wordpress website.

03.2022 – 03.2023 Freelancing Project (TechTop Industries, Atlanta, GA, US)

Local machines to Azure Infrastructure migration

Zoho assist configuration for local and VM PCs

Techtopind.com whole website migration and maintenance 11.2021 – 11.2022 Freelancing Project (FABMation.De – Bosch Und Hausgerate, Germany)

Factories & production lines software maintenance 06.2021 – 09.2021 Freelancing Project (Geroma Software (serviarchivo) Fundación UCR para la investigación, Costa Rica)

University of Costa Rica investigation foundation custom software multiple users/files digital signature processing

WebAPI, sqlserver, SPs

C#, Visual Studio, TFS

03.2021 – 06.2021 Freelancing Project (http://vizulocity.com, USA)

PicassoDK Powerpoint addin

c#, vsto

Outgoing maintenance

05.2020 – 06.2020 Freelancing Project (Acehealth.co, Dublin, Ireland)

Jitsi video implementation w/ubuntu linux

03.2020 – 04.2020 Freelancing Project (Comunidades.cr, San José, Costa Rica)

Jitsi video implementation w/ubuntu linux in

http://conversa.comunidades.cr

www.Cmail.cr – hmail email server with roundcube webmail

https://www.comunidades.cr central admin for email, private social network and private email cmail.cr and private videoconferencing app

08. 2019 – 02. 2020 Freelancing Project (Bis.co.cr, San José, Costa Rica)

Software created from scratch named SIGAP

www.semed.bis.co.cr – Merchants/distribution system (part backend/frontend.)

.Net telerik, KendoJS, KendoUI

.Net bootstrap, .net core 2.2

08. 2018 – 12. 2018 Freelancing Project (MiBus, San Jose, Costa Rica)

MiBus Android App, auto checkin w/cardID for autobus

C# WebForms, firebase api, barcode pdf417

Android Studio, Java

Randall Vargas Li

San José, Costa Rica Phone: +506-****-****

********@*****.***

11. 2017 – 04. 2018 Freelancing Project (VGS Systems, NY, USA)

Sales kiosks software, remote management.

WCF, WPF, WebAPI, WinForms, WebForms & MVC.NET

01. 2017 – 01. 2018 Freelancing (Intellivest CO, Chicago, USA)

Several wordpress tasks

04. 2017 – 12. 2017 Freelancing Project (Lehigh Valley Security Shoes, PA, USA)

POS SYSTEM with sync

Remote sync (WPF / C# / SQLserver 2016)

06. 2017 – 11. 2017 Freelancing Project (Shnit worldwide shortfilm festival, San Jose Costa Rica)

iOS, Android App in named Shnit worldwide shortfilm festival

Xamarin Forms

03. 2015 – 11. 2015 Freelancing Project (INSurance Services, San Jose Costa Rica)

Android App in store named INS 24/7

In road services backend, frontend and mobile app

Eclipse, Java, QA

02. 2014 – 07. 2015 Freelancing Project (COSEVI (Government Institution), San Jose Costa Rica)

Geolocation application to save vehicle collisions ubications

.Net, google apis, google maps, leaflet api, javascript, jQuery 06. 2010 – 04. 2011 Freelancing Project (Valle del Sol Golf Course, Santa Ana)

Fingerprint control Software to automatically dispense golf balls

Building a serial COM port module

DTR signal custom module / basic electronics

08. 2001 – 06. 2002 Freelancing Project (APA World Wide Moving, San Jose, CR)

Custom Software to fill out the moving forms

Randall Vargas Li

San José, Costa Rica Phone: +506-****-****

********@*****.***

Studies

Present MSc. in AI/ML - https://www.iubh-international.com – University of Applied Sciences, Germany.

2017 Licentiate degree in Software enginneering, development emphasis (Universidad Latina de Costa Rica)

2010 BSc degree in Systems enginneering (Universidad Latina de Costa Rica)

Other Qualifications

Certificates and Courses Laserfiche Certified, CompTIA Certified (A+, N+, Green IT, Server, Cloud), MOC Windows Server 2008 R2 MOC 6419 & 6420 (windows server 2008), 6425 AD DS, EC-COUNCIL Certified Ethical Hacker, MOC 2778(Querying SQL Server 2008), MOC 6232, 6233

(Implementing, maintaining SQL Server 2008 R2), MOC 6234, 6235, 6236 (Microsoft SSAS, SSIS, SSRS), MOC 20480, 20486, 20487 Given Courses ANDROID Basic & Intermediate, MVC .NET – FiServ, SysDe, ICE CompTIA A+ & N+, MOC 20480 - Programming in html5 and css3 w/javascript

IT-Skills

• Git, GitHub, Plesk, Swagger, Dapper, Jira, Bitbucket, slack, Unit tests, QA

• .NET, ASP.net, JAVA, JavaScript, JQuery, CSS3, XML, JSON, SQL, EF ORM

• WPF, WCF, IIS, WebForms, Winforms, MVC, WebAPI, LINQ, .net Core

• Docker containers, docker-compose, jitsi meet, ubuntu linux, windows server

• IOS, Android, Google API, Paypal API. Firebase, biometrics, vsto, microservices Profiles

• Linkedin: http://www.LinkedIn.com/in/ranvli

• Github: http://www.github.com/ranvli

• Bitbucket: https://bitbucket.org/ranvli

• Freelancer.com: https://www.freelancer.com/u/ranvli

• Upwork.com: https://www.upwork.com/freelancers/~0166d910c139bbce0a Languages

• Spanish: Native

• English: B2 – North-american cultural center in Costa Rica

• German: A1 – Goethe-Institut Costa Rica (In progress) Motivation

• Challenging tasks with a responsability position

• Self-Development

• Innovation and new ideas

• Work in team or alone

• Personal development opportunity

Randall Vargas Li

San José, Costa Rica Phone: +506-****-****

********@*****.***

Business references

• Rainer Broleen, CEO, Fabmation Deutschland, Email: **@*********.**

• James Muldoon, CEO, TechTop Industries, Email: ******@**********.***

• Enda Maden, VP of engineering, Acehealth Co., Dublin, Ireland. Email: ****.*****@*********.** / ****.*****@*****.***

• David Karle, VP of engineering, Vizulocity.,USA. Email: ****@**********.***

• Fernando Benavides, VP of engineering ServiArchivo, Geroma Software., CR. Email: **********@****-**.***

• Mr. Washington Leon-Jordan, VP of engineering, InnRoad LLc, New York, USA, email: **********.****@*******.***

• Mr. David Finkelstein, CEO, Quarksoft LLc, New York, USA, email: *****@*********.***

• Mr. Jeff York, VP of Development, Bond-Pro Enterprises, Orlando, Florida, USA, email: *****@****-***.*** or +1-813-***-****

• Mr. Antonio Robinson, CEO – GEOS Telecom - *******@***********.***

• Ing. Joaquin Cubero, CEO Grupo Cruz S.A. / Intelisoft, San José, Costa Rica, email: *******@*****.*** / *******@**********.**

• Mrs. Ana Alvarado. Propietary Manager, Inmobiliaria Anali, San José, Costa Rica, +506- 8376-9659

• Dr. Iris Perez, MD, President, CEO, Semeco S.A. / +506-********

• Mrs. Karla Rodriguez, COO, New Horizons IT Learning Centers Costa Rica, **********@***********.**.** or +506-****-****

Also in http://www.Elev8me.com

https://www.elev8me.com/en-us/main-menu/organizations/tutors/speaker-list/randall- vargas

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