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• Phone: +34 655 52 79 11
• Email: ccarnerolinan@gmail.com
• Personal web: https://cristobal.dev
• LinkedIn: http://www.linkedin.com/in/ccarnerolinan/
• Date of birth: 12th February, 1981

Summary

Software Engineer with more than 15 years of professional experience in designing, building, and deploying robust server-side solutions across diverse cloud environments. My career spans multiple industries, including management consulting, healthcare, energy and utilities, video games, and academic research. I specialize in Backend Development, Data Engineering, and DevOps. Additionally, I possess a strong background in AI development, with practical experience using the OpenAI API and contributing to the LangChain project.

Education

• 2009 – 2011 Master in Software Engineer and Artificial Intelligence, Universidad de Málaga.

• 2002 – 2007 Computer and Software Engineering, Universidad de Málaga.

  5-year university degree. Bachelor Thesis approved with Special Distinction.

Certifications

• ⬡ AWS Certified Solutions Architect – Associate (until 2023), Amazon Web Services.
• ⬡ Introduction to Machine Learning in Production, DeepLearning.AI.

Experience

• Since Apr 2021 Contractor, MLOps Engineer & DevOps.

  • MLOps and DevOps for one of the top 10 pharmaceutical companies.
  • Admin DKube/Kubeflow/Kubernetes infrastructure.
  • Create and deploy Kubeflow pipelines, and models with KServe.
  • Work with data scientist teams to support them in all the stages of the ML lifecycle. That includes: creating proof of concepts, helping with specific parts of the code, deploying in production, develop utility libraries and templates, custom Docker images, writing documentation, and training sessions.
  • Manage AWS infrastructure using IaC (Infrastructure as Code) with Terraform, GitLab CI pipelines, and data engineering for Business Analytics project.

• Nov 2018 - Mar 2021 Cathedral Software, Senior Data Engineer & DevOps.

  • Build solutions one of the biggest management consulting firms.
  • Backend services for web applications using Django REST Framework for API, Celery for background tasks, and Django Channels for notifications.
  • Work with Data Science team to design and implement cloud architecture solutions in both AWS & Azure, using Terraform.
  • Implement continuous integration with different stacks: CircleCI, Azure DevOps, Docker, Helm, and Kubernetes.

• Feb 2018 - Nov 2018 Virtually Live, Senior Server Engineer & DevOps.

  • Responsible for designing full real-time data pipeline architecture from the ingestion of telemetry from live events (Formula E), processing, and serve the output stream data to mobile games at scale.
  • Implement the key parts of the architecture in Python using technologies like ZeroMQ, Kafka and Tornado.
  • Work closely with Data Science team to provide a stream processing framework using Apache Heron for their needs.
  • Deployment of a Kubernetes cluster in AWS using Ansible (before EKS existed), including hosted applications using Helm, and continuos integration with Jenkins.
  • Contributions to open source project Apache Heron in order to fix deployment to Kubernetes and complete its documentation.
  • Work with R&D department designing and developing a prototype for a real time computer vision app using deep learning with Keras.

• 2017-2018 Cathedral Software, Senior Software Engineer.

  • Work on the data pipeline of the business intelligence platform of one of the largest travel web companies.
  • Develop ETL in Airflow to calculate KPIs and provide reporting capabilities for internal tools of the client company.
  • Responsible to design and develop backend solution to provide real time chat and other features to mobile app using Tornado.

• 2015 - 2017 VATIA Energía, Software Engineering Manager.

  • Responsible to design and develop a web platform for automatic Virtual Energetic Audit and Energetic Benchmarking.
  • Develop key parts of the system: Node.js APIs, background tasks using Celery for monitoring, and data analysis/reporting with Pandas and Matplotlib.
  • Responsible for recruiting technical staff: write job descriptions, qualify resumes, interview candidates and provide assessments.

• 2011 – 2013 Melomics Media, Backend Developer & System Administrator.

  • Server side development and deployment of a massive online repository of computer generated music, with search, streaming, purchases and public API.
  • Administration of a cluster of Debian servers.
  • Development of automatic video edition software with additional post-processing capabilities as chroma key, filters, titles, subtitles, publishing,…
  • Technologies: Python, web.py, MongoDB, ElasticSearch, Memcached. APIs: Paypal, Google Wallet, Facebook, Google+.

• 2009 – 2011 Universidad de Málaga, Researcher.

  • Computer vision research in the department of “Computational Intelligence and Image Analysis”, managed by José Muñoz Perez and Enrique Dominguez Merino.
  • Technologies: Python, C++, OpenCV, cvBlob, Matlab, Octave.

• 2007 – 2009 Tedial, Backend Developer & System Administrator.

  • Server-side media storage technologies.
  • Development of an interpreter for a custom programming language designed for testing DB operations.
  • Authentication, authorization, and access control with LDAP.
  • Management software for surveillance cameras.
  • Deployment of software and administration of several SuSE Enterprise Server client installations.
  • Technologies: C++, Python, Oracle, SOAP.

• 2005 – 2006 Novasoft, Software & Web Developer.

  • Educational video games in Flash.
  • Started in a one month scholarship, but then the company hired for a longer project.
  • Technologies: Flash, ActionScript, HTML, Javascript.

Master Thesis

Title: “Shape recognition through new convexity descriptors”

Supervisors: José Muñoz Perez, Enrique Dominguez Merino

Description: For this project several new convexity descriptors were devised. Then they were tested in the recognition of the American Sign Language used by deaf people.

Bachelor Thesis

Title: “A Video Surveillance System for Fall Detection”

Supervisors: José Muñoz Perez

Description: Development of a video surveillance software to automatically detect the fall of persons.

Personal Projects

• Since 2021 Mukabe Land, https://mukabe.land.

  • Web3 collaborative two-dimensional canvas, divided into lands, that are tradeable NFTs.
  • Responsible for all technical parts of the project: backend, web frontend, smart contract, infrastructure, CI/CD.

Free Software Projects

• Since 2023 CLARA: Code Language Assistant & Repository Analyzer, https://github.com/SeednapseAI/clara.

  AI tool to help developers understand and work with a code repository.

• Since 2021 Datacker, https://github.com/cristobalcl/datacker.

  Convert your notebooks to runnable Docker images. The quickest way to bring Data Scientists work to production.

• 2009 – 2012 cvBlob, https://github.com/cristobalcl/cvblob.

  Blob library for OpenCV, widely used in computer vision and robotic research.

Languages

• Spanish Native
• English Fluent

Qualities

Computer skills

Languages: Python, Bash script, JavaScript.

Software Engineering: TDD (Test-Driven Development), Clean Architecture, Scrum, Git-flow, Trunk-Based Development.

Databases: PostgreSQL, MongoDB, ElasticSearch, Redis, Snowflake.

Frameworks: Django, Django REST framework, FastAPI, Celery, Airflow, Vue.

Infrastructure: Kubernetes, AWS, Azure, DigitalOcean, Supabase, Render, Vercel, Railway.

Deployment: Docker, Helm, Jenkins, Terraform, Ansible, Supervisor, Nginx.

Data Science: Kubeflow, KServe, DKube, Pandas, TensorFlow, Keras, JupyterLab.

AI: OpenAI API, LangChain (contributor), prompt engineering, Pinecone, ChromaDB.

Web3: Solidity, HardHat, Vyper, Brownie, web3.py, ether.js, Alchemy API.

Environments: Git, Make, Vim/NeoVim, tmux, Bash, Fish, Visual Studio Code.

Personal skills

Engineering:

• Ability to find creative solutions.
• Strong analytical, able to anticipate issues, resolve concerns and improve efficiency.
• Care of coding standards and best practices.
• Eager to learn and develop new skills.

Others:

• Ability to work without direct supervision.
• Great written communication skills (wide experience in both Spanish and English).

Interests

Software architecture, GNU/Linux, free software, blockchain, web3, image processing, computer vision, computer graphics, artificial intelligence, No-Code.