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David Garzón Vélez

@davidgarznvlez

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Creator and implementer of end-to-end software projects. Systems Engineer with approximately 10 years of experience.

Colombia

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What I'm looking for

I am looking for an opportunity to leverage my full-stack experience while continuing to learn and adapt to modern tech stacks. I want to work alongside expert teams in a culture that encourages open debate on system design, architecture, and requirements; seeking a role with clear paths for long-term professional development and internal advancement

Experienced Senior Full Stack Engineer & Software Architect with over 10 years of hands-on expertise building and modernizing complex software solutions. Throughout my career, I’ve specialized in turning intricate business requirements into scalable, high-performing cloud applications. While I have deep experience in financial, analytics, and reporting systems, i’m highly adaptable and have successfully built solutions across a wide range of industries and system architectures, mostly In-house applications or internal products.

Career Highlights & Technical Leadership:

Designed and implemented full-stack cloud architectures (AWS & Azure), migrating legacy systems into Clean Architecture and robust microservices/ETL pipelines.
Fluent in Node.js, Angular, React, Flutter, Java and Python, combining deep backend logic with responsive web and mobile interfaces.
Established automated testing frameworks and CI/CD pipelines in Azure DevOps, GCP and GitHub environments, significantly improving release stability and production incident resolution.

I love building personal applications to learn new languages and build tools that optimize my own daily productivity. I am passionate about designing resilient systems, technical mentoring and knowledge sharing with engineering peers, and cultivating strong Agile/Scrum cultures. I enjoy roles that allow me to bridge the gap between high-level architectural decision-making and hands-on coding

Experience

Work history, roles, and key accomplishments

Current

Software Developer

Current

GFT Technologies

Oct 2022 - Present (3 years 9 months)

I served as a Full Stack Engineer, driving the technical transformation and maintenance of in-house products. As a full-stack developer, I have frequently stepped up to lead key technical initiatives. I was deeply involved in guiding and mentoring development teams, security best practices, and automated testing strategies.

Angular AWS NodeJS Scrum Git Azure DevOps

Engineer - Technical Leader

Decondux

Sep 2020 - Dec 2021 (1 year 3 months)

I served as the technical link between clients and the development team, translating business needs into effective solutions. I directly gathered requirements, proposed architectures, and managed client expectations while leading a small team of engineers. On the technical side, I handled end-to-end product development, building applications and handling production support.

React NodeJS PHP Leadership Development Requirements Management

Software Enginner

Vennex Group

Oct 2018 - Sep 2020 (1 year 11 months)

I managed the software development lifecycle, from requirement analysis (via direct site visits) to drafting technical proposals, full-stack development, database management, and deployment. I delivered diverse web applications, in responsive interfaces, real-time feature integration, and the administration of relational and non-relational databases.

React NodeJS PHP (Laravel)Database Administration

Developer

Sitis

Dec 2017 - Jun 2018 (6 months)

I actively participated in the end-to-end software development lifecycle for web applications. My responsibilities spanned from conducting user requirement analysis to understand business needs, to designing responsive web layouts, implementing core application logic, and architecting relational database structures.

JavaScript PHP MySQL PostgreSQL HTML

IT Technician

UNICOC

Oct 2015 - Apr 2016 (6 months)

Served as an IT Support & Network Infrastructure Intern, overseeing computer lab operations and campus network setup. Responsible for executing preventive and predictive maintenance on hardware and software systems, performing OS updates, and configuring structured cabling and network drops to maintain reliable network connectivity.

Desktop Computers Network Infrastructure

Education

Degrees, certifications, and relevant coursework

English B1

Academic proficiency in English at the B1 level, English as a second language

2024 - 2025

UNAD

Systems Enginner, Software Engineering

2019 - 2023

Graduated with honors (GPA 4.5/5.0), specialized in Systems Engineering and software development. Completed a Postgraduate Diploma in Linux Network Administration.

SENA

Associate Degree in Information Systems Analysis and Development, Software development

2016 - 2018

SENA

IT Systems Technical Diploma, Computer Systems & Network Maintenance

2013 - 2016

Covered core fundamentals of computer systems, including hardware and software troubleshooting, structured cabling, network installation, and administrative software support.