Gastón AS

Frontend Developer

🧑‍💻 IT Consultant

🟢 WhatsApp: +46 76 15 40 100

🏠Stockholm, Sweden.

Photo of Gastón

Professional Profile

I am a versatile IT specialist with several years of experience in frontend development, IT consulting, technical support, and system administration. On top of that, I have a strong background in modern web technologies (HTML5, CSS/SCSS/SASS, JavaScript, TypeScript, React, Vue, SQL and .NET) and expertise in network security (Cisco).

Besides, I can deliver robust and responsive digital solutions. Furthermore, I am results-driven, creative, and accustomed to working both independently and in teams to ensure high quality and customer satisfaction.

Work Experience

Full-Stack Developer / AI & Business Software

2024 – 2026

  • Designed and developed business-oriented software solutions for energy and sustainability analysis, including tools to calculate energy consumption, CO₂ impact, and operational costs by day and time slot.
  • Built Python-based local software applications integrating AI models for automated data processing, reporting, and secure offline execution in enterprise environments.
  • Developed full-stack web applications using HTML, CSS, JavaScript, TypeScript, React, Vue, C#, .NET Core, PostgreSQL, and Node.js, combining responsive interfaces with scalable backend services.
  • Created data-driven dashboards and business tools focused on reporting, efficiency analysis, and decision support, improving visibility into operations and resource usage.

Healthcare Administration & Operations Support

2022 – 2023

  • Supported clinical and administrative workflows in healthcare environments, managing patient admissions, discharges, transfers, and documentation through electronic systems.
  • Maintained accurate records in TakeCare, ensuring timely updates, appointment coordination, and continuity of care information across departments.
  • Assisted healthcare staff and patients with administrative processes, improving communication flow and operational efficiency in high-volume settings.
  • Participated in internal training and process follow-up, contributing to documentation quality, compliance, and service continuity.

Office Manager – OAL SA (Travel Insurance), Spain

2018 – 2020

  • Handled customer service and administration of travel insurance, including coordinating emergency evacuations and medical cases.
  • Communicated with hospitals and insurance companies, managing invoices and payments under time pressure.
  • Contributed to an efficient customer experience through clear communication and rapid problem resolution.

IT Consultant & IT Expert – Global Tech Solutions, London, UK

2015 – 2018

  • Provided customer support as an Apple technician, handling incoming calls and troubleshooting issues such as virus removal and security concerns.
  • Worked on diverse projects by serving various clients – for instance, managing an Apple support project, then transitioning to a Dyson project focused on customer service and product sales.
  • Participated in extensive training programs and obtained certifications as an IT technician and consultant, ensuring high-quality technical solutions.

Selected Projects & Portfolio

  • ► NeoNexX 🕹️:
    A fast-paced arcade puzzle game developed in Python, featuring both a desktop version and a mobile version. The project focused on gameplay mechanics, user experience, UI flow, and cross-platform optimization.
    ► technologies used: Python, game logic, UI implementation, mobile adaptation, distribution packaging.
    👉 Demo Mobile 👉 Demo PC
  • ► Track Your Mood App 🎭:
    User's mood can be checked, registered & downloaded locally! This will help to know the variation of the emotions through all days, week and months.
    ► technologies used: HTML5, SASS, TypeScript, express.js, Node.js, pnpm, etc.
    👉 Demo
  • ► To Do App 📝:
    You can use it as a memory list, there you can use It for ex. as a shopping list, there you can check the items as you buy them check them as done! and more!
    ► technologies used: HTML, SASS, TypeScript, Vue3, Pinia Router, EJS, Bootstrap, pnpm, etc.
    👉 Demo
  • ► 🎭 SR Humor 🎙️ Podcast:
    A podcast platform where you can listen to the latest episodes of your favorite shows, and even create your own podcast!
    ► technologies used: HTML, SASS, TypeScript, Vue1, SQLite3, Node.js, EJS, Bootstrap, pnpm, etc.
    👉 Demo
  • ► Rock-Paper-Scissors ✊✋✌️:
    A fun and interactive game where you can play against the computer or challenge your friends!
    ► technologies used: HTML, SCSS, TypeScript, Vite, pnpm, mm.
    👉 Demo
  • ► Fruity Memory Game 🍌 🍎 🍇🍓:
    A fun and challenging memory game where you can test your skills and improve your memory!
    ► technologies used: HTML, SCSS, TypeScript, Vite, pnpm, mm.
    👉 Demo

Skills

Frontend Developer

HTML5, CSS3/SCSS/SASS, JavaScript, TypeScript, React, Vue (Vue1-3), UX, Cisco security, Bootstrap, Figma, SQL, Express.js, Node.js, C# & more!

Backend & System Development

C#, .NET Core, Python, SQL, Express, Entity Framework, jQuery, CI/CD pipelines.

Network & Security

Cisco Security, Network security, Technical support, System administration.

Others

Agila methods, UX, Version control (Git, GitHub), Project management, Customer service, Problem-solving, Creative development.

Languages

Swedish (SAS 3 – Second Language), English (Level 6), Spanish (Level 7), Portuguese (Level 6), Italian (Level 6).

Contact