Alemar O.

Alemar O.

Senior Software Engineer

Alajuela, Costa Rica
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About Me

Alemar is a Senior Full-stack Developer with extensive experience working in different industries using different web stacks. He architects and delivers both standalone apps and complex multiplatform distributed systems on client projects, taking initiative and driving solutions to completion with minimum supervision. Alemar has a clear understanding of modern software principles and object-oriented analysis and uses engineering expertise to improve outcomes and increase efficiency.

Work history

UpStack
UpStack
Senior Full-stack Developer
2020 - Present (4 years)
Remote
  • Creating and developing innovative software solutions for clients across a broad range of industries.

  • Participating in scrums consisting of cross-functional teams, both software and hardware.

  • Ensuring that features are being delivered efficiently and on time.

FusionHit
FusionHit
Senior Software Engineer
2021 - 2023 (2 years)
San José, Costa Rica
  • Architected and developed C#/.NET systems.

  • Migrated legacy apps from .NET 4 to .NET 7 and implemented integrations with mobile apps and IoT devices.

  • Improved existing applications' security and protected against common vulnerabilities, log analysis, etc.

C#.NETOWASP Application Security Angular 13DevOpsCI/CD
Gorilla Logic
Gorilla Logic
Angular Web Developer
2019 - 2020 (1 year)
San José, Costa Rica
  • Developed and implemented different web app portfolios, mobile apps, and web-based CMS for clients in healthcare, finance, and cloud computing industries.

  • Used SEO techniques and focused on making websites user-friendly and accessible.

  • Monitored and analyzed web solution performance, reporting issues (traffic, usability) and providing recommendations and solutions.

Freelance
Freelance
Senior Full-stack Developer
2018 - Present (6 years)
Remote
  • Producing innovative components for new and existing apps and websites with a focus on optimizing solutions for maximum speed and scalability.

  • Interfacing directly with customers to capture feedback and discuss technical designs to see through projects from conception to finished product.

  • Enforcing best practices, coding standards, and engineering principles to meet client requirements.

GFT Technologies
GFT Technologies
UI/UX Developer
2016 - 2018 (2 years)
San José, Costa Rica
  • Designed GUI elements, developed UI mockups and prototypes, and created original graphic designs for implementation on client projects.

  • Collaborated with different designers and marketing teams to deliver excellent user-facing interfaces and features for clients.

  • Troubleshot UX problems and adjusted layouts based on user feedback, adhering to the latest style standards on fonts, colors, and images.

Organización Italcambio
Organización Italcambio
Program Analyst
2014 - 2015 (1 year)
Caracas, Venezuela
  • Worked on developing web solutions for clients following best practices and coding standards.

  • Coordinated various development activities and tasks on solution implementation.

  • Applied modern website protection techniques against hacking methods with white-box and black-box testing and produced status reports.

HTML5CSS3jQueryResponsive Web DesignASP.NETUXWinFormsBlack Box Testing White Box Testing
Global Resources
Global Resources
Senior Developer
2014 - 2014
Caracas, Venezuela
  • Designed program specifications for the iteration and maintenance of high-availability and high-load telecommunication systems using low-level languages and Linux server environments.

  • Championed the latest standards and best practices on projects, continuously improving the delivery processes and practices on projects for Global Resources.

  • Offered guidance in meeting various SLAs and developed KPIs in accordance with quality targets.

OLTP Soluciones y Servicios
OLTP Soluciones y Servicios
Development Specialist III
2012 - 2013 (1 year)
Caracas, Venezuela
  • Developed highly available and scalable distributed systems to communicate with ATM systems using different protocols.

  • Contributed solutions for reverse-engineering processes adhering to development standards, policies, and governance practices.

  • Demonstrated technical leadership in virtualized server administration and tuning and provided real-time data encryption solutions.

Integra Consultores
Integra Consultores
Junior Technical Specialist
2010 - 2011 (1 year)
Caracas, Venezuela
  • Installed and configured desktop and laptop computers.

  • Provided technical support and solutions for domain-oriented software issues.

  • Researched and applied new multiplatform technologies working with various tools and customizations.

Outsource Software
Outsource Software
System Analyst
2009 - 2010 (1 year)
Caracas, Venezuela
  • Developed .NET web, mobile, and desktop apps following company standards, policies, procedures, and industry best practices.

  • Provided support for the management of relational databases on behalf of Outsource Software.

  • Stayed abreast of current tech and industry trends, tools, and standards, handling development in different software languages.

Infoguia
Infoguia
Software Development and Tech Support
2007 - 2008 (1 year)
Caracas, Venezuela
  • Worked on enhancements, troubleshooting problem areas and ensuring clear and effective communication on project support.

  • Implemented support processes applying data backup policies, keeping PC maintenance schedules, and hardware/software performance tuning.

  • Handled employee support tasks and trained staff on different in-house apps.

Portfolio

Developer - GamePower Engine
Developer - GamePower Engine

Created from scratch an HTML5 Canvas‐based JavaScript game engine with its own set of tools (compiler, IDE, converters) written with C#. It contains both the runtime engine, development tools, and a compiler to convert a PASCAL-like language into JavaScript to be read by the engine. It also supports custom formats read and written by reverse-engineering DIV 2 game engine’s files, making it compatible with MS-DOS game development tools. Published the app online for a few months.

Developer - EasyDog
Developer - EasyDog

Developed an app to help Panama‐based dog owners find pet‐friendly restaurants, keep a medical record of their dogs, maintain profiles of themselves and their dogs, view nearby events, get coupons, find nearby vets, and chat with nearby dog owners using the app. It was developed in Ionic 3, the UI design was provided in Adobe Illustrator, and the back end in PHP by third parties. The app was launched and published in April 2020 with very few downloads.

UI Developer - CouchBuddy
UI Developer - CouchBuddy

CouchBuddy is a simple game launcher for PC games or emulators, complete with PS4/Xbox gamepad support, serving as a game launcher with big pictures for delivering a console-like experience/interface on a PC, including multi-user support and PIN protection. It comes as an install-and-run solution so everything is tightly integrated within the platform for ease of use.

Senior Developer - Te Llega Express
Senior Developer - Te Llega Express

Worked on a mobile app for a Guatemala‐based delivery business for users to send and receive parcels and errands using a couple of simple steps. Te Llega Express are specialists in food delivery with 5+ years of experience working with large companies. Developed the app using Ionic 4 and integrated the solution with a modern payment gateway solution.

Senior Developer - NeyOne
Senior Developer - NeyOne

Developed a mobile app for a Panama‐based security camera provider committed to creating security solutions that give users the peace of mind of feeling safe at all times. Implemented the app designs provided by a third party and developed the core components of the app using Ionic 3.