Daniel Rivera

About Me 🚀

Industrial Engineer with approximately 3 years of experience in data analysis, web development, process management, and automation — applying tools such as Python, SQL, Power BI, advanced Excel, and frameworks like FastAPI and Django in both public and private environments.

Full-stack development with React, Django, and FastAPI.
Data analysis and dashboards with Power BI, SQL, and Pandas.
Microservices architecture with Spring Boot 3 and Java 17.
Process automation with Python, AppScript, and Bash.
Scrum project management · English B2–C1 · Native Spanish.

Experience 🌟

Development technologies.

Python
JavaScript
React
Django
FastAPI
Spring
Pandas
SQL
Git
Tailwind

Mid Senior Developer — CSI Business Services SAS (Jan 2026 – Present)

Implemented a microservices ecosystem with Spring Cloud Config to centralize configuration for over 1,500 applications. Migrated Informix 4GL logic to Spring Boot 3, Java 17, and React. Developed Bash scripts that automate application creation, reducing delivery time to 1 day per module. Managed databases using Docker, optimizing development and deployment environments.

Freelance Developer (Jul 2025 – Present)

Full-Stack Web Development: designed and developed various web solutions, including 3 e-commerce platforms (jewelry and personalized art) and 2 corporate websites for clients in education and national distribution sectors. Implemented and optimized an internal web application for a university, streamlining the administrative management of contracts and internal processes.

Support Professional — Universidad de Los Llanos (Sep 2024 – Present)

Managed institutional databases and generated key reports for strategic decision-making. Collaborated on the design and maintenance of web tools to improve internal processes. Administered financial reimbursement control processes for the student sector and provided technical assistance focused on optimizing operational efficiency.

Data Analyst — LlanoGas (Feb 2023 – Aug 2023)

In LlanoGas. Managed the complete cycle of operational and business data, from acquisition and cleansing to analysis. Designed and built interactive dashboards and reports using Power BI and Excel. Implemented automation solutions with Python and SQL for periodic report generation, providing actionable insights to enhance operational efficiency.

DevOps — Web Management — Barbara Café (Aug 2017 – Mar 2018)

I was the developer of the e-commerce website for Barbara Café Col, where I not only handled the creation of their landing page but also led the main development of their e-commerce platform. Managed digital presence on social media and processed sales data to support strategic decision-making.

Sales Analyst — Mejor Espacio S.A.S (Oct 2016 – Aug 2017)

In Mejor Espacio. Analyzed business performance and consumer dynamics. Developed and implemented automated systems for sales reporting using Excel and AppScript. Monitored key KPIs critical for strategy formulation and supported marketing campaigns through targeted data analysis.