JONATHAN PEÑA

SOFTWARE ENGINEER

CONTACT ME

Madrid, Spain
+34 614 374 632
granj215@gmail.com
github.com/joncodeofficial
https://www.linkedin.com/in/joncode
https://joncodeofficial.github.io

SKILLS

Technical

JavaScriptTypeScriptReact.jsReact NativeNode.jsTailwindGitREST APIsMQTTIoT / BLE BeaconsLoRaWANPrisma / ORMsAWS / CloudflareDockerWebAssemblyClean ArchitectureVitest / Jest

Soft

Effective CommunicationLeadershipProblem SolvingTeamworkAdaptabilityContinuous LearningTime ManagementEmpathyAI Critical Thinking

PROFILE

Full Stack Developer with 5+ years of experience building scalable web and mobile applications across diverse industries. Project leader and senior developer skilled in React, React Native, and Node.js. Experienced in Docker, agile practices, and leading end-to-end product development from concept to production.

WORK EXPERIENCE

Project Leader | Senior Developer

SEGULA Technologies — Madrid, Spain

Aug 2025 - Present
  • Led IoT asset tracking for the railway sector (BLE, LoRaWAN, MQTT).
  • Built manual positioning mobile app with React Native.
  • Project lead and senior developer across the full product cycle.
  • Integrated IoT hardware (trackers, beacons, LoRaWAN gateways) with backend.

Frontend | MERN & React Native Developer

HOLO XR — Santiago, Chile

Jun 2023 - Aug 2025
  • Built a Gantt chart from scratch with React.js.
  • Built a scheduler integrated with Autodesk APIs.
  • Enabled construction progress tracking via 3D building models.
  • Developed mobile features with React Native.
  • Improved management through real-time visual tools.

Frontend | React Developer

Seven Suite — San José, Costa Rica

Jan 2023 - Jun 2023
  • Rebuilt a .NET app using Next.js frontend.
  • Integrated .NET 6 backend with SQL Server.
  • Deployed the application seamlessly on Azure.
  • Enhanced performance during web technology transition.

FullStack | .NET Developer

Norkut — Nueva Esparta, Venezuela

Feb 2022 - Oct 2022
  • Improved CRM features for supermarket management software.
  • Developed point of sale and inventory control systems.
  • Customized and optimized nopCommerce for e-commerce.
  • Built applications using WPF, Windows Forms, and .NET.

Frontend | React Developer

Nanotecks — Santo Domingo de los Tsachilas, Ecuador

2020 - 2021
  • Built landing pages with React.js for real estate clients.
  • Focused on responsive design and visual polish.
  • Applied SEO best practices to improve organic visibility.
  • Collaborated with marketing team to translate briefs into web experiences.

EDUCATION

Computer Engineering (Incomplete)

Universidad de Oriente (UDO)

2017 - Present

Engineering degree program covering programming, algorithms, databases, and software engineering.

High School

U.E.N.B DR. Luis Ortega

2011 - 2016