now Co-founder and CTO at Insectius, agritech
Marcos Aguayo
CTO & Software Engineer, Barcelona
From code to production lines.
person 0.99 cto 0.97 engineer 0.98 builder 0.95 I design, build and run the technology companies depend on, from backends and cloud platforms to AI, computer vision and robotics. Fifteen years of shipping software, four times as a co-founder and CTO. I work best with startups and industrial teams whose problem is as much about the business as about the code.
- years building software
- 15+
- Since 2009
- co-founder and CTO
- 4×
- Insectius, MiCuento, Devect, Luracoin
- products and platforms shipped
- 26+
- For my own companies, employers and clients
- raised with a founding team
- €3.5M
- Insectius, 2025
Worked with
- Insectius
- Cocunat
- Futrli
- MiCuento
- Coca-Cola ECCBC
- El Corte Inglés
- Decathlon
- Fnac
- IESE
- Hotel Arts Barcelona
What I do
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Technical leadership
CTO since 2021 and four times a co-founder. Technology strategy, architecture decisions, hiring, and turning a business model into a roadmap a small team can ship.
- CTO
- Architecture
- Hiring
- Roadmaps
- Build vs. buy
Applied at Insectius, MiCuento, Cocunat
-
Backend and platforms
APIs, microservices and data models in Python, Go and Node.js that hold up with thousands of concurrent users.
- Python
- Django
- FastAPI
- Go
- Node.js
- REST APIs
- Microservices
Applied at Cocunat, Futrli, MiCuento
-
Cloud and DevOps
AWS, Cloudflare Workers and D1, Kubernetes, Docker and CI/CD, set up so a small team can deploy every day without fear.
- AWS
- Cloudflare
- Kubernetes
- Docker
- Serverless
- CI/CD
Applied at Cocunat, Futrli
-
AI and computer vision
Predictive models for yields and demand, anomaly detection, and computer vision that watches production in real time.
- Computer vision
- Machine learning
- Predictive models
- Data pipelines
Applied at Insectius, Cocunat
-
IoT, automation and robotics
Sensor networks, industrial automation and full production lines designed around KUKA robotic arms.
- IoT
- KUKA robotics
- Industrial automation
- Production lines
Applied at Insectius
-
Product and front end
From React dashboards to React Native apps: the interfaces that operators and customers actually use every day.
- React
- Next.js
- Vue
- React Native
- Ionic
Applied at Insectius, Cocunat, MiCuento
Selected work
-
ProblemA living production system changes every day, and running it from spreadsheets makes every decision a guess.
ResultRuns production at Insectius and is offered to other farms as a SaaS.
- Python
- React
- React Native
- Machine learning
-
ProblemOff-the-shelf e-commerce could not keep up with a brand growing across markets.
ResultServed thousands of concurrent users; I joined as one of the first employees and ended up leading engineering.
- Django
- Node.js
- Go
- FastAPI
- React
- AWS
-
ProblemManual rearing does not scale: labour, consistency and monitoring become the bottleneck as volume grows.
ResultRunning at Insectius today; in 2025 the company raised €3.5M to build its first decentralized pilot plant.
- KUKA robotics
- Industrial automation
- IoT
- Computer vision
- Python
-
ProblemA growing fintech product needed a stronger backend.
ResultA one-year contract in Brighton, UK, strengthening the backend infrastructure.
- Python
- Django REST Framework
- AWS API Gateway
- Cognito
- Kinesis
-
ProblemGetting children to read on the devices they already use.
ResultCo-founded the company and built its whole technology stack.
- Django
- Ionic
- React Native
- Unity
- AWS
Experience
-
Insectius Agritech
Co-founder and CTO, Barcelona
2021–now
-
Cocunat E-commerce, cosmetics
Lead software developer, Barcelona
2019–2021
-
Futrli Fintech SaaS
Senior backend developer, Brighton, UK
2018–2019
-
Cocunat E-commerce, cosmetics
Senior web developer, Barcelona
2016–2018
-
MiCuento Consumer apps, education
Co-founder and lead developer, Barcelona
2013–2016
-
Neoxid Solutions Software agency
Web developer, Barcelona
2012–2014
-
Unic Agency and freelance Digital agency
Web developer, Barcelona
2009–2012
Tools I build with
- Languages
-
- Python
- Go
- TypeScript
- JavaScript
- Solidity
- Backend
-
- Django
- FastAPI
- Node.js
- Express
- Gin
- REST APIs
- Microservices
- Front end and mobile
-
- React
- Next.js
- Vue
- React Native
- Ionic
- Unity (AR)
- Cloud and DevOps
-
- AWS (Lambda, DynamoDB, SQS, S3, EC2, Kinesis)
- Cloudflare Workers, KV and D1
- Kubernetes
- Docker
- Serverless Framework
- GitHub Actions
- CircleCI
- Nginx
- Linux
- AI and data
-
- Computer vision
- Machine learning
- Predictive models
- Data pipelines
- Hardware and industry
-
- IoT sensors
- KUKA robotic arms
- Industrial automation
- Production line design
Writing
- Go 1 min read
- Rust 1 min read
- AWS 1 min read
- Python 1 min read
- Mobile 1 min read
Start a conversation
Building something that has to work in the real world, not just in a demo? Tell me about it.
[email protected]Open to
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Fractional CTO
Technical leadership for early-stage companies: architecture, hiring and the first versions of the product.
-
Architecture review
A hard look at a system that has to scale: bottlenecks, costs and a plan to fix them.
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AI and automation projects
Computer vision, IoT and automation for operations with real-world constraints.
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Talks and workshops
Engineering leadership, building with small teams, and AI on the factory floor.