# Carlos Collado

> Software developer with over 20 years of experience. Helps small and medium businesses (SMEs) replace manual processes, spreadsheets and outdated programs with custom software: web applications, business applications, mobile applications, websites, automation and AI chatbots/assistants. Includes development, maintenance and ongoing evolution after delivery. Based in Madrid (Spain), working remotely with companies anywhere. Works in Spanish and English.

## Site

- [Home](https://carloscollado.tech/en/): value proposition, services, how he works, experience, FAQ and contact form.
- [Legal notice](https://carloscollado.tech/en/legal-notice/)
- [Privacy policy](https://carloscollado.tech/en/privacy/)
- [Cookie policy](https://carloscollado.tech/en/cookies/)
- [Spanish version of this file](https://carloscollado.tech/es/llms.txt): the whole site is available in Spanish (`/es/`) and English (`/en/`).

## Services

- Technology consulting: deciding what a business needs, what to build first and how to set up or improve its IT department.
- Web applications: custom dashboards, platforms and internal tools.
- Business applications: warehouse, customer, order, quote, invoicing, HR and logistics management; CRM and ERP.
- Mobile applications: for employees, salespeople, technicians or customers.
- Websites: corporate and commercial websites.
- Automation: connecting systems and eliminating repetitive tasks.
- Chatbots and automated assistants: website chat, bots that answer the phone or reply to repetitive messages.
- Maintenance and evolution: support, improvements, security and backups after delivery.

## Target audience

Small and medium businesses (SMEs) with operational problems they currently solve with Excel, manual processes or software that no longer fits their business. It is not a technology consultancy or a large agency: it is an independent professional.

## Technical experience

JavaScript, TypeScript, Java, C#, PHP, Python, Go, Rust, Kotlin, SQL, Bash/Shell, HTML, CSS, React, Node.js, Symfony, PostgreSQL, MySQL, MongoDB, Redis, Docker, Kubernetes, Git, APIs, microservice architectures, cloud systems.

## Larger projects

For complex technology products or projects that need a full team, Carlos Collado also works through [ModusFlow](https://modusflow.tech), his other brand aimed at startups and companies with larger technology projects.

## Contact

Contact form at [carloscollado.tech/en/#contacto](https://carloscollado.tech/en/#contacto), or email hola@carloscollado.tech. Prices are not published generically: each project is quoted after understanding the problem to be solved.

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## Blog

- [Custom software vs. off-the-shelf programs: how to choose](https://carloscollado.tech/en/blog/custom-software-vs-off-the-shelf/): The real pros and cons of commissioning custom software versus adapting an off-the-shelf program, without the usual sales pitch. ([Markdown](https://carloscollado.tech/en/blog/custom-software-vs-off-the-shelf/index.md))
- [When it makes sense to stop using Excel in your business](https://carloscollado.tech/en/blog/when-to-stop-using-excel-in-your-business/): Signs that a process has outgrown what Excel can handle, and what options exist to replace it without stopping the business. ([Markdown](https://carloscollado.tech/en/blog/when-to-stop-using-excel-in-your-business/index.md))
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