Juan Felipe Alfonso Avila Software engineer | devops engineer

SR software engineer

Mercado Libre

Jul 2024 - Current (2 years)

As a Senior Software Engineer, I designed and optimized high-concurrency critical services within the Advertising and Fintech ecosystems, focusing on extreme scalability, low-latency performance, and robust software architecture. 1. **AI Model Serving for Advertising (Seller-side)**: I was responsible for developing and maintaining the serving engine for AI models, delivering real-time advertising scores under extreme performance requirements. Utilizing a tech stack that included Java, Javalin, and ONNX Runtime, I managed a traffic volume of approximately 1M RPM (Requests Per Minute), ensuring score availability for 1,000 products in less than 15ms. I tackled technical challenges by implementing efficient model estimations using ONNX, int

SR devops engineer

TeleSign

Oct 2023 - Aug 2024 (11 months)

Architected and managed scalable cloud infrastructure and CI/CD ecosystems, focusing on automation, security, and high availability for Data and Backend engineering teams. Core Responsibilities & Impact: 1. Infrastructure as Code (IaC) & Cloud Management Designed and maintained complex cloud environments across AWS and multi-provider setups using a modular approach. Standardization: Developed and managed Terraform and Terragrunt modules to standardize infrastructure deployment, ensuring consistency across environments. Multi-Account Networking: Managed multi-account network architectures and support services, optimizing connectivity and resource sharing. Security & Compliance: Enforced the Principle of Least Privilege by auditing and m

Data specialist

Empowerment Labs

Apr 2022 - Aug 2023 (1 year 5 months)

As data specialist I’ve been working with modeling and develop business flows and data processing pipelines, in order to help backend team I’ve worked with nestjs to develop utilities functions to centralize our databases connections. I've prouposed different architectures based on the business needs, from near real time solutions to full async systems. Other topics I've worked on: - data lake and data warehouse design - microservices with serverless infrastructure - infrastructure design - Design and implementation of recommendation algorithms - infrastructure deployment with IaC (Infrastructure as code) - Learn and apply new technologies and best practices on the develop of current processes and new ones

business project Engineer

GJX

May 2021 - Apr 2022 (1 year)

As a Business Project Engineer, I led a team of data analysts and data engineers, utilizing both public and private health databases such as SISPRO to analyze data and enhance third-party processes through business intelligence tools like Tableau, Qlik, Power BI, and Microsoft Excel. I was responsible for designing and implementing ETL processes to extract and consolidate information from various structured and unstructured data sources using ETL tools such as Informatica Cloud, Azure, and Glue. Additionally, I designed and implemented AI/ML services to improve client services by developing forecasting models in R and Python, enabling the prediction of future values. Furthermore, I leveraged my experience with distributed systems and micros

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Full Stack Developer

Data innovation SAS

May 2020 - May 2021 (1 year 1 month)

- Designer and implementer of NLP model for classification of text associated with LAFT - Microservices developer in nodejs, python, java1.8 / spring boot - HTML page design - Data management in SQL and NoSQL databases - Hubspot API implementer - web scrapping (puppeteer, HTMLUnit, selenium - AWS microservices

Juan Felipe Alfonso Avila

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