David Felipe Pedraza Guadir

Tech Lead And Fullstack Developer

Professional profile

Fullstack Software Developer with 2+ years of experience delivering end-to-end web systems using Python , Java , TypeScript , Node.js , and PostgreSQL . Led technical architecture and client delivery as Tech Lead , collaborating in English with distributed teams

Work experience

Junior Fullstack Developer

konex innovation | January 2026 - Present (10 meses)

Used skills

Developed features with TypeScript frontend and Node.js/PostgreSQL backend, deployed on AWS. Designed REST APIs, optimized PostgreSQL, and worked in agile cycles. Used English for documentation and meetings.

Major achievement

Implemented full-stack features using TypeScript, Node.js, and PostgreSQL on AWS. Designed REST APIs, optimized queries, and ensured code quality through code reviews. Operated daily in English.

Tech Lead & Fullstack Developer

slaccode | November 2024 - Present (2 años)

Used skills

Designed and built fullstack applications using React, TypeScript, Node.js, FastAPI, Django, Spring Boot, PostgreSQL. Managed project timelines and client meetings in English.

Major achievement

Owned end-to-end technical delivery, architected scalable fullstack apps with React, TypeScript, Node.js, FastAPI, Django, Spring Boot, PostgreSQL. Led client communication in English.

Software Developer Intern

medrar | May 2024 - December 2025 (1 año 7 meses)

Used skills

Built and maintained REST APIs, integrated third-party services, and optimized PostgreSQL for reporting. Used English for documentation and team communication.

Major achievement

Developed features on Django/Symfony/PostgreSQL systems. Built REST API integrations with TypeScript/Node.js frontends, optimized PostgreSQL schemas, and communicated in English.

Education experience

English Certification b1 b2
Academia lingui de idiomas | Especialización

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