Backend and APIs
REST APIs with TypeScript, Node.js, Express, FastAPI, Java and Spring. SQL and NoSQL databases designed to scale.
Software engineer · Trainer
Hi, I’m Guillermo Blanco Vera
I build APIs, data platforms, mobile apps and AI systems in the cloud. I’m a Senior Software Engineer at Volkswagen Digital:Hub, co-founder of Lendin, and I share what I learn through hands-on training.
- 10+years coding
- 3clouds: AWS, GCP, Azure
- 8companies and projects
What I do
From idea to production, teaching along the way
Cloud and DevOps
Infrastructure as code with AWS CDK, Docker, Kubernetes and CI/CD pipelines. Infrastructure and budget management on AWS, GCP and Azure.
Mobile apps
Native apps in Swift and Objective-C, and cross-platform apps with React Native and Expo, published on the App Store and Google Play.
AI and data
Data pipelines on AWS with Glue, Spark and Step Functions, real-time computer vision and AI engines in Python.
Training
Hands-on courses and workshops for teams and individuals who want to learn to code and work as they would on a real project.
See trainings →Experience
Where I’ve worked
-
Senior Software Engineer · Volkswagen Digital:Hub
I build data processing and distribution platforms on AWS for the Volkswagen digital ecosystem.
- Designing pipelines that connect data ingestion, processing and distribution.
- Automating infrastructure and deployments with AWS CDK and CI/CD.
- Monitoring services across multiple environments and resolving production incidents.
- Continuously improving system reliability and maintainability.
-
CTO · Padmi
Startup building an AI algorithm that analyses padel match statistics in real time. I led the Computer Vision, iOS and Android engineering team.
- Leading cross-functional Computer Vision, iOS and Android teams.
- Designing and maintaining the cloud and backend architecture on Google Cloud (Compute Engine, Kubernetes, Storage).
- Full lifecycle of YOLO detection models: data collection, labelling, training, testing and deployment to production with MLflow.
- Overseeing the Node.js and FastAPI APIs.
- Member of the executive team, shaping technical, product and business decisions.
-
CTO · Alyze
Startup that built an AI engine able to extract human emotions through facial recognition. I was responsible for the backend and the AI engine.
- REST API with TypeScript, Node.js, Express, Docker and Kubernetes, and an AI engine in Python.
- NoSQL database on DynamoDB.
- Designing and rolling out CI/CD pipelines.
- Managing technical resources and budgets on AWS, Azure and GCP.
-
Co-founder and Full-Stack Developer · Lendin
App that connects people so they can rent anything from each other, available on the App Store and Google Play.
- App and UI/UX with Expo, TypeScript and Node.js; backend with Java and Spring.
- SQL database on MySQL.
- Managing technical resources and budgets on AWS and GCP.
-
Telecom Engineer · Integrasys
Company specialising in satellite spectrum monitoring systems. I built the Satmotion Pocket iOS app, which automates VSAT terminal deployment, and Linux servers for on-site installations.
- Built Satmotion Pocket in Swift and Objective-C to guide VSAT terminal pointing and commissioning.
- Developed and maintained Linux servers in Java and C++ for on-site installations.
- Field testing and customer support during deployments.
-
AR/VR Game Developer · Universidad Carlos III de Madrid
Master’s thesis: virtual reality simulation software for clinical laboratories, adaptable to any discipline.
- Designed and built interactive laboratories in Unity 3D with C#.
- Integrated 360º video to recreate real environments immersively.
- Modular architecture so the simulator can be adapted to different disciplines.
-
AI/ML Developer · La Princesa University Hospital
Migraine prevention research with Complutense University of Madrid: a predictive model based on blood oxygenation, heart rate and sweating.
- Capture and preprocessing of physiological signals: blood oxygenation, heart rate and sweating.
- Training and validation of machine learning predictive models in Matlab.
- Close collaboration with the medical team and Complutense University researchers.
-
iOS Developer · Slashmobility
Developed and maintained the Banco Santander iOS app and its REST API, plus an intranet app with notifications and Apple Watch support.
- New features and maintenance of the Banco Santander iOS app in Objective-C and Swift.
- Developed the PHP REST API behind the app.
- Intranet app with push notifications and an Apple Watch extension.
Stack
Technologies I work with
Cloud
+6 years
Development
+6 years
Databases
+6 years
Data, AI and ML
+6 years
Generative AI
Every day
DevOps
+6 years
Education
- Master’s in Telecommunications Engineering (Multimedia and Communications)
Universidad Carlos III de Madrid - Telecommunications Engineering, specialising in audiovisual systems
Universidad Carlos III de Madrid
Certifications
- AWS Certified Cloud Practitioner
Amazon Web Services - AWS Certified AI Practitioner
Amazon Web Services - Certified Scrum Product Owner (CSPO)
Scrum Alliance
Languages
- Spanish · native
- English · fluent
Projects
Featured projects
Current
Training
Volkswagen Digital:Hub
Data processing and distribution platforms on AWS for the Volkswagen digital ecosystem.
Trainings
My courses and training programmes to learn to code through real projects.
training.guillermoblancovera.es →
Startup
Lendin
App for renting anything between individuals. Available on the App Store and Google Play.
Contact
Have a project or a training in mind?
Drop me a line and I’ll get back to you as soon as I can.