I am Jefaro Constancia

Freelance Full Stack Web Developer and Cloud Developer

About Me

As a jack of all trades, I design and create software solutions for client specific needs

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Years of Experience
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Projects Completed

With over 7 years of experience as a software developer, I have successfully completed more than 25 projects. My expertise spans various domains, and I thrive in creating robust, efficient, and innovative solutions for complex challenges

Trusted Over 20 + Clients in the World

Front End Developer

I specialize in designing and constructing user interfaces for websites and applications, emphasizing client-side functionality

Cloud Developer

Expertise in developing and optimizing applications for cloud platforms, utilizing their scalability and distributed computing capabilities

Back End Developer

Executing server-side development, database management, and integration to ensure efficient functionality and smooth data processing

My Experiences

Skills and Experience That I Have

As a software developer with a diverse skillset, I excel in multiple programming languages and frameworks. From front-end to back-end development, I bring expertise in designing, implementing, and maintaining robust software solutions for a wide range of applications and platforms

Angular | TypeScript
94%
React.js | JavaScript
89%
.NET Core | C#
92%
Microsoft Azure
89%
SQL | PostgreSQL
85%
Python
82%
HTML5 | CSS3
88%

Betabit

Software Consultant

A Microsoft Gold Partnered deployment agency, specializing in implementing and managing Microsoft technologies for streamlined and efficient business operations

The Trading Agency

Owner

An online education environment on trading providing a comprehensive trading course to equip individuals with valuable knowledge and skills in financial markets

JFC Software

Freelancer

The self-created private firm which delivers customized software solutions, catering to diverse business needs with innovation, efficiency, and reliability

Microsoft Certified

Exam: 70-480

Programming in HTML5 with JavaScript and CSS3

AZ-204

Azure Developer Associate,
Developing solutions for Microsoft Azure

AZ-900

Microsoft Azure Fundamentals

My Portfolio

Recent Works

As a professional, my portfolio showcases a diverse range of successful projects, highlighting my skills, expertise, and dedication to delivering exceptional results.

Rotterdam Safety Region

Microsoft Azure Migration

Student Webshop NL

E-commerce Platform

Klik Education

Custom CMS | Learning App

Ivaldi

Machine Learning Tool

The Trading Agency

Digital Education Platform

Greenwheels

Car Sharing Service

Have a Project in Mind? Let's Work Together

Testimonials

What They Say About Me

Jefaro is a super nice, social colleague to work with. He is able to thoroughly understand a problem and delivers his software on time. Great software developer!

    Michel Metselaar
    Michel Metselaar

    Freelancer

    Working with Jefaro has been a real pleasure over the past 1.5 years. His technical expertise, positive attitude and team spirit have taken our collaboration to new heights

      Manuel Orozco
      Manuel Orozco

      Developer

      Working with Jefaro has been a game-changer for our team. His exceptional problem-solving skills consistently delivered outstanding results that exceeded our expectations

        Xiomara Massicot
        Xiomara Massicot

        Executive Assistant

        Jefaro is a dedicated developer that I had the pleasure to work with. he has capacity to adapt quickly and solve any problem presented to him.

          Oisin O'Maolchallan
          Oisin O'Maolchallan

          Freelancer

          Jefaro makes a very high contribution to the team due to his broad knowledge and experience. This together with his positive attitude to life makes it a pleasure to work with him.

            Elles Jimmink
            Elles Jimmink

            Product Owner

            Get In Touch

            Embrace collaboration and fuel collective innovation

            Don’t miss out on the chance to explore new horizons. Reach out now and let’s embark on a journey of shared success

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