Nelson Guamán Leiva Email & Phone Number

Copenhagen, Dk

Copenhagen, Capital Region Of Denmark, Denmark

I developed and implemented technological solutions, focusing on data visualization, analysis, process automation, and infrastructure management. Additionally, I contributed to securing 125K USD in funding from the Magical II investment fund in Chile.Key Contributions:- Application and Service Development: Implemented solutions using Laravel, Next.js with TypeScript, Tailwind, MongoDB, Redis, and Docker.- Data Automation and Processing: Developed pipelines with… Show more I developed and implemented technological solutions, focusing on data visualization, analysis, process automation, and infrastructure management. Additionally, I contributed to securing 125K USD in funding from the Magical II investment fund in Chile.Key Contributions:- Application and Service Development: Implemented solutions using Laravel, Next.js with TypeScript, Tailwind, MongoDB, Redis, and Docker.- Data Automation and Processing: Developed pipelines with Apache Beam and Prefect in Python, automating the download and enrichment of profiles from LinkedIn.- Versioning and Testing: Implemented SemVer for versioning and used Pytest and GitHub Workflows to maintain code stability.- Data Analysis and Visualization: Designed interactive dashboards with Next.js, Tailwind CSS, Shadcn, D3.js, and ReactFlow.- Next.js Implementation with Auth0: Developed multi-tenant solutions, allowing each client to have their own subdomain and authentication.- AI-Generated Narratives: Used the OpenAI API and LangChain to generate narratives based on data from Neo4j, optimizing costs with caching in Redis.- ML Model Deployment: Implemented Hugging Face models in FastAPI.- Mobile Design and Development: Designed interfaces from scratch with a mobile-first approach, using Tailwind CSS.- Prototyping and Technical Verification: Created prototypes and sketches to evaluate the technical feasibility of features based on OpenAI.- Advanced Analysis with Neo4j: Utilized OpenAI embeddings in Neo4j 5 Enterprise for network analysis.- Monitoring and Performance: Implemented Sentry for error monitoring, with alerts in Slack, and New Relic for performance monitoring on Herznet servers.- Google Cloud Administration: Managed Google Cloud Run, Service Accounts, Cloud Functions, Workflows, Container Registry, Cloud Scheduler, Secret Manager, BigQuery, Pub/Sub, and Dataflow, among others. Show less

Copenhagen Area, Capital Region, Denmark

I implemented technological solutions for data analysis (ETL), visualization, and processing, using tools like Neo4j, Next.js (TypeScript), Laravel, Apache Beam, and Python automation (Pydantic).Key Contributions:- Data Infrastructure Development: Implemented and managed data architectures using Docker, MongoDB, and Neo4j, deploying solutions on Google Cloud (Cloud Run) and Herznet.- Data Analysis and Processing: Used Neo4j along with GDS (Graph Data Science) and APOC… Show more I implemented technological solutions for data analysis (ETL), visualization, and processing, using tools like Neo4j, Next.js (TypeScript), Laravel, Apache Beam, and Python automation (Pydantic).Key Contributions:- Data Infrastructure Development: Implemented and managed data architectures using Docker, MongoDB, and Neo4j, deploying solutions on Google Cloud (Cloud Run) and Herznet.- Data Analysis and Processing: Used Neo4j along with GDS (Graph Data Science) and APOC (Awesome Procedures On Cypher) to manage and analyze complex data from patents and scientific publications. I also deployed machine learning models, such as BERT, with FastAPI to enhance data analysis and extraction.- Scraper and API Development: Developed scrapers to extract information from various websites and integrated them into an API based on FastAPI with storage in a Neo4j database.- Data Processing Pipeline: Implemented data processing pipelines using Apache Beam in Python, facilitating the management and processing of information for monthly process updates.- Data Visualization: Designed and developed interactive dashboards and data visualizations using Laravel and Next.js, both with Tailwind CSS, integrating network diagrams with D3.js and ReactFlow.Notable Clients: Worked with clients such as Novozymes (Denmark), the Danish Ministry of Higher Education and Science (Denmark), the National Office of Science and Technology of Colombia (OCyT) (Colombia), NIFU (Norway), and the Technical University of Berlin (Germany), among others.Recognitions: We were invited to international events such as DataNativa (2018) in Berlin to present our solutions, and to the Graph for Business (2019) event in Venice, organized by Larus. Show less

Copenhagen, Capital Region Of Denmark, Denmark

I developed and maintained platform modules, automating internal processes and improving the management of partners and leads.Key Contributions:- Development of New Modules: Responsible for developing new modules in Symfony and Laravel, including both front-end and back-end logic.- Automation of Internal Processes: Automated processes using Python and the PipeDrive API to optimize the management of existing partners and the prospecting of new leads.- Platform… Show more I developed and maintained platform modules, automating internal processes and improving the management of partners and leads.Key Contributions:- Development of New Modules: Responsible for developing new modules in Symfony and Laravel, including both front-end and back-end logic.- Automation of Internal Processes: Automated processes using Python and the PipeDrive API to optimize the management of existing partners and the prospecting of new leads.- Platform Maintenance: Maintained the structure of the ASECH platform and its associated pages.This was my first fully remote job, carried out while living in Denmark on a Working Holiday visa with the goal of learning English. Show less

Santiago, Chile

I refactored and modernized the platform, contributing to the development and deployment of new features.Key Contributions:- Code Refactoring: Migrated the platform's legacy code to Laravel 5.4, improving system efficiency and maintainability.- Development of Web Scrapers: Implemented Python scrapers for scouting socially impactful startups through news portals, facilitating the identification of opportunities.- Participation in Internal Events: Provided… Show more I refactored and modernized the platform, contributing to the development and deployment of new features.Key Contributions:- Code Refactoring: Migrated the platform's legacy code to Laravel 5.4, improving system efficiency and maintainability.- Development of Web Scrapers: Implemented Python scrapers for scouting socially impactful startups through news portals, facilitating the identification of opportunities.- Participation in Internal Events: Provided technical feedback on the feasibility of new startups, supporting strategic decision-making.This experience allowed me to deeply understand the challenges and impact of technological modernization in social innovation. Show less

Santiago, Chile

I optimized internal processes and configured servers, enabling the client base to scale from 15 to 100 within a year.Key Contributions:- Process Automation: Used Python and Selenium to automate report downloads from over 15 B2B portals.- SQL Query Optimization: Improved performance in MySQL (RDS) to handle large volumes of sales data, increasing speed and efficiency in data management.- Server Management: Configured and optimized MongoDB servers for storing CSV… Show more I optimized internal processes and configured servers, enabling the client base to scale from 15 to 100 within a year.Key Contributions:- Process Automation: Used Python and Selenium to automate report downloads from over 15 B2B portals.- SQL Query Optimization: Improved performance in MySQL (RDS) to handle large volumes of sales data, increasing speed and efficiency in data management.- Server Management: Configured and optimized MongoDB servers for storing CSV files and Redis for cache management, ensuring robust and stable performance.- Team Training: Trained new team members in managing critical processes, ensuring continuity and operational quality. Show less

Santiago, Chile

I implemented processes for the detection and identification of malware affecting clients and automated management reports, which improved the team's visibility.Key Contributions:- Malware Detection: Implemented and optimized processes for effective malware identification, applying reverse engineering techniques.- Report Automation: Automated email downloads (IMAP) with commits from the repository (SVN) using Python, and generated reports (PHP & Bootstrap) that enhanced… Show more I implemented processes for the detection and identification of malware affecting clients and automated management reports, which improved the team's visibility.Key Contributions:- Malware Detection: Implemented and optimized processes for effective malware identification, applying reverse engineering techniques.- Report Automation: Automated email downloads (IMAP) with commits from the repository (SVN) using Python, and generated reports (PHP & Bootstrap) that enhanced the transparency and visibility of the team's progress, receiving recognition from the VP for this improvement.- Virus Analysis in Documents: Specialized in identifying and analyzing viruses in office document formats such as DOC, PDF, and XLS, contributing to information security. Show less

Santiago, Chile

I designed and developed a web system for monitoring a fleet of over 800 trucks, ensuring seamless integration with SAP and improving the efficiency of financial reporting.Key Contributions:- Web System Design and Development: Created a web system to monitor a fleet of over 800 trucks using GPS technology.- SAP Integration: Implemented CakePHP, Bootstrap, and Webservices to ensure integration with the company's SAP system.- Selection of GPS Providers: Actively… Show more I designed and developed a web system for monitoring a fleet of over 800 trucks, ensuring seamless integration with SAP and improving the efficiency of financial reporting.Key Contributions:- Web System Design and Development: Created a web system to monitor a fleet of over 800 trucks using GPS technology.- SAP Integration: Implemented CakePHP, Bootstrap, and Webservices to ensure integration with the company's SAP system.- Selection of GPS Providers: Actively participated in the selection of GPS providers for the truck fleet, including generating pentesting reports for their platforms.- Report Automation: Developed automation processes for generating financial reports, enhancing efficiency in the finance department. Show less

Master'S Degree, Master'S In Technology Management And Entrepreneurship

Engineer’S Degree, Computer Software Engineering

Thesis: Fleet Management for the company "Callegari e Hijos Ltda." using GPS, OBDII, and GPRS technology for data acquisition.