Diego Fernando Llanos Fajardo

Diego Fernando Llanos Fajardo  new_releases

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Data Engineer
Pontevedra, Spain
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Résumé

Jobs verified_user 0% verified
  • Nublit
    Cloud Data Engineer (freelance) public Remote experience
    Nublit
    Apr 2025 - Current (1 year 1 month)
    - Designed and implemented scalable ETL/ELT pipelines in AWS (Glue, Lambda, Step Functions) to ingest and transform multi-source data, enabling both batch and near real-time processing. - Built a data lakehouse architecture (Aurora → DMS/Kinesis → S3 → Glue → Redshift) with raw, silver, and gold layers, leveraging partitioning, Parquet formats, and Glue Data Catalog. - Developed incremental and parallelized data pipelines with late-arriving data handling, deduplication logic, and JSON-driven parameterization for 20+ production tables. - Optimized Redshift workloads (500M+ rows) using Spectrum for historical queries, manifest-based COPY, MERGE/UPSERT strategies, and RA3 node tuning, reducing compute and storage costs. - Modeled star-schema d
  • S
    Data Engineer and Chief Data Officer public Remote experience
    Skalo Tek
    Jul 2023 - Jun 2025 (2 years)
    - Automated financial reporting: Built an end-to-end ETL pipeline (Bloomberg API → Python → AWS Glue, Lambda, EventBridge, S3, Athena, Docker) feeding an interactive Power BI dashboard—dramatically accelerating report delivery—and delivered a Python-based Windows executable for on-demand ETL control and dashboard updates. - AI-powered proposal generator: Developed a Teams app with an Azure Bot (Azure OpenAI) on App Service to transform full meeting transcripts into polished commercial proposals, slashing processing time from hours to seconds. - Real-time financial analytics: Engineered Python-driven ETL into MySQL for a concrete company, deployed on-prem automation and a Power BI Gateway to ensure continuous, up-to-the-minute dashboards for
  • S
    Data Analyst public Remote experience
    Skalo Tek
    Oct 2022 - Jul 2023 (10 months)
    - Classroom Mapping MVP & UX Integration: Spearheaded development of a scalable data model and Power BI dashboard MVP for educational institutions, partnering with UI/UX to embed interactive visuals—streamlining strategic insights and replacing lengthy manual analyses for teachers and administrators. - Operations & Performance Analytics: Architected optimized data models and MySQL views, then built end-to-end Power BI dashboards to track operations, team KPIs, and business growth in real time. - Automated Data Cleansing & Ingestion: Developed Python scripts to automate data cleansing and Excel ingestion workflows, ensuring high-quality datasets and accelerating preparation cycles. - Automated ETL & Data Quality: Engineered Python-driven ETL
  • Teleperformance Spain
    Data Analyst and Tools Supervisor at public Remote experience
    Teleperformance Spain
    Dec 2021 - Oct 2022 (11 months)
    - To maintain updated the client’s database concerning hierarchies, change of positions of agents and staff, and agent skills for any changes in the lines of businesses (LOBs). - Automate these update processes using advanced Excel formulas for the client to have visibility over any changes at the moment they occur internally. - To create a deprovisioning system that helped the client save money on tool costs and helped Teleperformance to comply with the client's security policies. - To create reports to help the different LOBs understand a tendency depending on data we gather from the agents' interactions with clients. - To show reports of the actual state of the operations and communicate the amount of active and training users of each LO
  • Teleperformance Spain
    Bilingual Customer Service Representative
    Teleperformance Spain
    Jun 2021 - Dec 2021 (7 months)
    Help the company's clients maximize views and reservations at their properties by implementing new strategies. ●Comply with all the proposed KPIs to provide a great customer service experience. ●Develop new pricing adoption strategies for the benefit of the owner, their customers, and the company.
  • M
    Software Developer at
    Metálicas BQM SAS.
    Feb 2018 - Aug 2020 (2 years 7 months)
    By using MATLAB programming language and OOP, I developed a software that analyzes and designs steel trusses. ●Implement catalogs of current steel profiles in the market for the design of trusses. ●Create flowcharts and work methodology for the development of the application. ●Implement current regulations for the design of metal trusses based on the NSR10.
Education verified_user 0% verified
  • Universidad Santo Tómas
    Civil Engineer,
    Universidad Santo Tómas
    Feb 2016 - Jul 2021 (5 years 6 months)
  • Universidad Sergio Arboleda
    Systems and telecommunications engineering,
    Universidad Sergio Arboleda
    Aug 2012 - Dec 2014 (2 years 5 months)