Backend Development
I specialize in building scalable, secure, and efficient backend systems that power your digital solutions.
ABOUT Me
Building robust systems through code and innovation
My Ambition
My ambition is to design and develop reliable backend solutions that solve real-world problems. I strive to build scalable systems, optimize performance, and continuously grow as a developer by learning new technologies and best practices.
My Purpose
My purpose is to create efficient, secure, and scalable backend systems that empower businesses and improve user experiences. Through clean code and continuous learning, I aim to deliver technology solutions that make a real impact.
count+ Months Of Experience
MY service
Powering your vision with performance and precision
Database Design
I specialize in designing and optimizing databases to ensure data integrity, high performance, and scalability for modern applications.
Cibersecurity
I specialize in securing backend systems and protecting data by applying cybersecurity best practices to prevent threats, vulnerabilities, and unauthorized access.
MY Skills
Building Powerful Solutions through Code and Innovation
Backend Developer
Freelance
2024 - 2026
Designed and developed RESTful APIs using Node.js, Express.js, and PostgreSQL Implemented authentication and security using JWT
Technical Operations Specialist (Elevator Systems & Field Support)
Federal Elevator Systems Inc.
2023 - 2026
Supported technical field operations ensuring safe and efficient execution of installation projects. Performed troubleshooting and problem-solving in structured, safety-critical environments… más Aptitudes: Technical Systems y Troubleshooting
Cybersecurity Trainee / Security Analyst Training
Mohawk College
2022
Gained foundational knowledge and hands-on experience in cybersecurity principles and security analysis.
Threat Intelligence Analyst
National Army of Colombia · Permanent Full-time
2001 - 2018
Conducted multi-source intelligence analysis (OSINT, SIGINT, GEOINT, HUMINT) to identify and assess security threats and adversary activity patterns
my recent Portfolio
Showcasing innovative backend solutions built for performance, scalability, and reliability.
all blog
Sharing backend insights, development tips, and technology knowledge.
10 January 2026- By admin
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Learn how to build scalable, maintainable, and efficient backend systems for modern applications. […]
10 February 2026- By admin
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Discover how backend development transforms ideas into secure, scalable, and high-performing digital solutions. […]
10 March 2026- By admin
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Explore the principles behind building robust backend systems that power seamless digital experiences. […]
Monday - Sunday
Available for freelance projects, remote work, and professional opportunities.
contact@jhonfajardo.com