Software Developer @ Amadeus
Apr 2025 – Present
- Engineer high-performance business logic in C++ for a flight disruption system, optimizing error-handling routines and increasing system reliability.
Juliana Nieto Cárdenas
Computer Scientist — Software & AI
$ whoami
Computer scientist with experience in software development and artificial intelligence. Proficient in Java (Spring Boot), C++, and Python, with a focus on building scalable backend systems. Skilled in DevOps practices — including cloud-native deployment and CI/CD automation — and experienced in delivering robust solutions within Agile environments. AI researcher with proficiency in steering LLM behavior.
Work Experience
AI Engineer @ Nodi
Feb 2025 – May 2025
- Architected backend services for a talent-matching platform using TypeScript and Node.js.
- Implemented vector search and RAG to improve candidate-matching features.
Research Scholar @ Purdue University — "Owlgorithm"
Aug 2024 – Feb 2025
- Led a technical team of 3 to build and evaluate a generative AI platform, driving the project from concept to a SIGCSE '26 publication.
- Architected the backend orchestration for a dual-agent system in Python, designing state management to coordinate agent interactions.
Software Engineer Intern @ Twilio
Jun 2024 – Aug 2024
- Architected and deployed scalable Spring Boot REST APIs on AWS (EC2 & Lambda), handling geolocation lookups for 10+ countries at <200ms latency.
- Collaborated in an Agile environment to debug production issues, improving service uptime and maintainability.
Software Engineer @ Dept. of Statistics, Universidad Nacional de Colombia
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
Apr 2021 – Jul 2021
- Built a Flask web app integrating citation database APIs to automate research paper collection.
Research
GNN Research Project @ Universidad Nacional de Colombia
Sept 2025 – Present
- Mentors: Prof. Humberto Sarria.
- Investigating graph neural network approaches with an emphasis on practical evaluation.
- Developing a reproducible JAX/Haiku/Optax pipeline with custom components to benchmark alternatives.
Differential Privacy Research @ 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 collaboration with Columbia University.
Publications
Owlgorithm: Supporting Self-Regulated Learning in Competitive Programming through LLM-Driven Reflection
Projects
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 generating Bloom's Taxonomy–aligned reflective prompts for competitive programming learning.
Secret Safe
Nov 2022
Python desktop app implementing RSA, ElGamal, and AES cryptosystems.
COVID in Colombia
Nov 2022
Analyzed 6M+ COVID case records with PostgreSQL and Scikit-Learn to identify epidemiological patterns and predict case trends.
Education
B.S. in Computer Science @ Universidad Nacional de Colombia
2026 · GPA 4.3/5.0
Leadership
Búhos ICPC UNAL Competitive Programming Club
Apr 2023 – Aug 2025
- Volunteered teaching algorithm lessons.
- Qualified for the National Competition and Maratona Feminina de Programação (MFP).
Skills
Backend & Cloud
Data & DevOps
AI & Machine Learning
Languages