Alemar O.

Alemar O.

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.

Frontend

Backend

Database

DevOps

QA & Testing

Workflow

Other

Work history

UpStack
UpStack
Senior Full-stack Developer
2020 - Present (5 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 (7 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.

Showcase

Developer - GamePower Engine
Developer - GamePower Engine
  • A C#-based JavaScript game engine with a compiler for PASCAL-like language conversion.

  • The engine includes tools for development, a runtime, and reverse engineering of DIV 2 game engine files.

  • The project is published online for a few months and is a custom-built engine.

Developer - EasyDog
Developer - EasyDog
  • Developed an app for Panama‐based dog owners to find pet‐friendly restaurants.

  • The app includes features for dog medical records, profile management, event viewing, coupons, vet finding, and owner chat.

  • The app was built using Ionic 3, Adobe Illustrator for UI, and PHP back-end by third parties, launched in April 2020 with limited downloads.

UI Developer - CouchBuddy
UI Developer - CouchBuddy
  • CouchBuddy is a PC game launcher with gamepad support for PS4/Xbox.

  • It offers a console-like interface and multi-user support.

  • The launcher is designed for ease of use and tight integration within the platform.

Senior Developer - Te Llega Express
Senior Developer - Te Llega Express
  • Developed a mobile app for a Guatemala-based delivery business.

  • Utilized Ionic 4 for app development.

  • Integrated a modern payment gateway solution.

Senior Developer - NeyOne
Senior Developer - NeyOne
  • Developed a mobile app for a Panama-based security camera provider.

  • Implemented app designs provided by a third party.

  • Utilized Ionic 3 for core app component development.