Juliana Nieto Cárdenas
juliana@cs:~$
$ whoami

Computer Scientist

I like building things with code.

Technical Skills: Python • PyTorch • JAX • C++ • SQL • Java • Spring Boot • Flask • LangChain • Git/GitHub

$ cat education.txt

Education

  • B.Sc., Computer Science | Universidad Nacional de Colombia
    GPA: 4.3/5.0

$ ls research/

Research Experience

GNN Research Project @ Universidad Nacional de Colombia Sept 2025 – Present

Mentors: Prof. Humberto Sarria & Petar Veličković (external mentor)

  • Investigating graph neural network approaches with an emphasis on practical evaluation.
  • Developing a reproducible JAX / Haiku / Optax pipeline with custom components to benchmark alternatives.

Research Intern @ Purdue University Aug 2024 – Feb 2025

PIs: Prof. Andres Bejarano and Ethan Dickey

  • Designed a Python-based app using GPT-4o to support competitive programming students through self-explanation and reflective prompts.
  • Applied prompt engineering to align AI guidance with programming learning objectives.

Research Project @ Universidad Nacional de Colombia Feb 2024 – Jun 2024

Mentored by: Prof. Marco Avella

  • Studied differential privacy algorithms in statistical inference with user-level privacy constraints in a collaborative project with Columbia University

$ cat publications.bib

Publications

Owlgorithm: Supporting Self-Regulated Learning in Competitive Programming through LLM-Driven Reflection.
Juliana Nieto-Cardenas, Erin Kramer, Peter Kurto, Ethan Dickey, Andres Bejarano.
To appear in Proceedings of the 57th ACM Technical Symposium on Computer Science Education V. 2 (SIGCSE TS 2026).
Status: Accepted (ERT track)Venue: SIGCSE TS 2026


$ history | grep "work"

Work Experience

Software Developer @ Amadeus April 2025 – Oct 2025

  • Part of the Disruption team, developing C++ code, implementing business logic, and designing unit and regression tests.

Software Engineer Intern @ Twilio June 2024 – August 2024

  • Built a service for geolocating phone numbers across 10+ countries.
  • Designed scalable APIs with Spring Boot for reliability and efficiency.

Software Engineer @ Dept. of Statistics, UNAL Oct 2023 – Dec 2023

  • Collaborated on a data governance strategy for health information using the DAMA-DMBOK framework.

Full Stack Engineer @ Instituto de Investigaciones Jurídico Sociales UNAL April 2021 – July 2021

  • Built a Flask web app integrating citation database APIs to automate research paper collection.

$ ls -la projects/

Projects

Clozit Oct 2025

  • 3rd place, BCG Hackathon 2025
  • A learning tool powered by AI that makes use of the Cloze Method to teach people to reason by themselves instead of overdependence on ChatGPT.

mc² Talent May 2025

  • Contributed to an AI-powered talent-matching platform, enhancing search functionality and user onboarding experience.

Owlgorithm Dec 2024

  • Built a GenAI-based web platform that generates Bloom's Taxonomy–aligned reflective prompts for competitive programming learning.

Secret Safe Nov 2022

  • Developed a Python desktop app implementing RSA, ElGamal, and AES cryptosystems.

COVID in Colombia Nov 2022

  • Analyzed 6M+ COVID case records using PostgreSQL and Scikit-Learn to identify epidemiological patterns and predict case trends.

$ cat leadership.txt

Leadership

Búhos ICPC UNAL Competitive Programming Club April 2023 – September 2025

  • Volunteered teaching algorithm lessons.
  • Coordinated the club's activities and events.
  • Organized and participated in competitive programming competitions.
  • Qualified for the National Competition and Maratona Feminina de Programação (MFP).

$ echo $LANG

Languages

  • Spanish (Native) • English (Proficient)