Summary
Overview
Work History
Education
Skills
Software
Timeline
CustomerServiceRepresentative
Walter Arguello

Walter Arguello

Senior Software Engineer
Alajuela,A

Summary

Experienced software developer with over a decade of experience in various technologies. Proven track record as a self-motivated full-stack developer, adept at navigating all phases of the Software Development Life Cycle. Skilled in frontend, backend, and mobile application development, with a knack for proposing innovative solutions. Collaborative team player thriving in fast-paced settings, driven by a passion for continuous learning and exploration of new technologies.

Overview

15
15
years of professional experience
2
2
Languages

Work History

Senior Developer

Aubrant Digital LTDA
01.2021 - 01.2025
  • Participated in the learning, maintenance, and support of many different systems for an important tennis event that lasted for several weeks.
  • I worked on supporting many applications for a financial entity, solving problems using various technologies in the backend and frontend.
  • Maintained constant interaction with members from different business units to understand processes and requirements, to develop new features and fixes. Responsible for migrating different applications from using SQL Server databases to AWS Aurora.
  • Collaborated with the DevOps team to migrate different applications to new continuous integration pipelines using Jenkins and Octopus.
  • Worked in data transformation and integration to generate different types of metrics, allowing customers to identify transaction types, frauds, and more.
  • Collaborated with different teams to accomplish customer onboardings, new integration requirements, and bring support for utilized modules at the level of data modeling, back-end, and front-end.

Senior Developer and Business Development Manager

Jowasoft
01.2018 - 01.2021
  • Responsible for leading technical teams developing apps in Android, iOS, and Flutter, websites, cloud-based systems (AWS, Azure), productive operational processes, and automation using technologies such as Flutter, React, Java Spring, .Net, MongoDB, MySQL, and Pentaho.
  • Led the development team responsible for defining architecture, development, testing, and deployment for different company solutions: electronic invoicing, digital marketing, and APIs.
  • Led the team to adopt new technologies, investigating their use to improve the business, automating processes, and developing innovative products and services (IoT). Responsible for managing the customer relationship and team workload to meet project deliverables.
  • Worked hand in hand with international professionals on improvements to business plans and digital strategies.

Technical Leader and Senior Developer

Centauro Solutions
01.2015 - 01.2018
  • Responsible for leading technical teams in developing e-commerce apps (Android and iOS), websites (.NET, Hippo), cloud-based systems (AWS, Azure), electronic invoicing (React, AWS), and productive operational processes automation (React, Java Spring, MongoDB, MySQL).
  • Led the Centauro Development team to define the architecture, development, testing, and deployment of an e-commerce app that manages over 2,000 concurrent users.
  • Responsible for managing the customer relationship and team workload to meet project deliverables. Responsible for overseeing the architectural definition for different solutions: electronic invoicing, gated communities administration, and commercial promotions using beacons.
  • Collaborated with the ADA Compliance team.

Senior Web Developer

Semdrive
02.2014 - 01.2015
  • Developed an SEO tool to implement business rules and metrics generation that automated site analysis and reduced time from 3 days to 2 hours. The main technologies used were Azure, SQL Server, Web roles, and Worker roles. My main responsibilities were requirements analysis, system design, software coding, and Integration testing. Developed and maintained C#.Net and Web Services Applications.

Full-Stack Developer

MDG Developers and COINCA S.A.
10.2012 - 02.2014
  • Responsible for developing a software solution integrating third-party systems (Salesforce, ERP, and Emergency Call Trunk) with Road Assistance Operational systems. Developed a system that tracked geo-positioning for all machinery and equipment for sugar cane production.

Full-Stack Developer

Innova Technology
04.2010 - 05.2012
  • Responsible for developing a platform to manage all operational processes for universities to comply with new regulations issued by the Educational Ministry of the Dominican Republic. Led the migration of 32 universities from their operational systems to the Akademia platform. The migration included data and process migration.

Education

Ph.D. - Computer Engineering Project Management

Universidad Estatal A Distancia De Costa Rica
05.2001 - 01.2012

Completion Certificate - Flutter: IOS and Android development

Udemy
05.2001 - 01.2020

Mobile development in IOS and Android

Universidad Cenfotec

Bachelor of Science - Computer Programming

Universidad De Costa Rica
San José, Costa Rica
05.2001 -

Skills

Programming Languages: C#, Net, Net Core, Java Spring, Angular, React, Svelte, Node, and Swift

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Software

OOP

Design patterns

Innovative and creative

Team work and collaborative

Relational and non-relational databases

GIT

Jira

C#

DotNet Framework and Core

LINQ

Web Services

Entity Framework

Timeline

Senior Developer

Aubrant Digital LTDA
01.2021 - 01.2025

Senior Developer and Business Development Manager

Jowasoft
01.2018 - 01.2021

Technical Leader and Senior Developer

Centauro Solutions
01.2015 - 01.2018

Senior Web Developer

Semdrive
02.2014 - 01.2015

Full-Stack Developer

MDG Developers and COINCA S.A.
10.2012 - 02.2014

Full-Stack Developer

Innova Technology
04.2010 - 05.2012

Ph.D. - Computer Engineering Project Management

Universidad Estatal A Distancia De Costa Rica
05.2001 - 01.2012

Completion Certificate - Flutter: IOS and Android development

Udemy
05.2001 - 01.2020

Bachelor of Science - Computer Programming

Universidad De Costa Rica
05.2001 -

Mobile development in IOS and Android

Universidad Cenfotec

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Walter ArguelloSenior Software Engineer