Co-Founder CTO (Developer in AI / Blockchain / Big Data) Unpaid

GraCity; Madrid; Híbrido; EUR 50.000 - 70.000; A tiempo parcial

Descripción de la vacante

A cutting-edge startup in Madrid is seeking a Co-Founder CTO to oversee the technical direction and lead projects in AI, Blockchain, and Big Data. This part-time hybrid role offers the opportunity to manage technical teams and collaborate with co-founders. Ideal candidates will have a strong background in fullstack development and previous experience in a leadership role.

Servicios

Equity up to 15% over 3 years

Formación

• Proven expertise as a Fullstack Developer with a strong background in AI, Blockchain, and Big Data technologies.
• Demonstrated ability to design and scale technical solutions in a fast-paced startup environment.
• Entrepreneurial mindset with a willingness to take risks and innovate.
• Previous experience in a CTO or technical leadership role is highly desirable.
• Bachelor's or Master's degree in Computer Science, Engineering, or related field.
• Strong portfolio of previous successful projects/products (preferably in AI, Blockchain, or data-driven applications).
• Excellent communication and leadership skills to manage tech teams and collaborate with co-founders.

Responsabilidades

• Oversee the technical direction of the company.
• Lead the architecture and development of AI, Blockchain, and Big Data projects.
• Play a key role in the strategic growth of the company.

Descripción del empleo

Overview

GraCity is an innovative startup based in Madrid, focused on creating cutting-edge solutions that merge Artificial Intelligence, Blockchain, and Big Data to address real-world challenges. Our mission is to build scalable, secure, and intelligent systems that transform industries and generate long-term value for society.

Role Description

We are seeking a Co-Founder CTO (Developer in AI / Blockchain / Big Data) to join GraCity. This is a part-time hybrid role located in Madrid, with the flexibility of some remote work. The CTO will oversee the technical direction of the company, lead the architecture and development of our AI, Blockchain, and Big Data projects, and play a key role in the strategic growth of GraCity.

This position offers up to 15% equity over 3 years (vesting schedule to be discussed).

Qualifications

• Proven expertise as a Fullstack Developer with a strong background in AI, Blockchain and Big Data technologies
• Demonstrated ability to design and scale technical solutions in a fast-paced startup environment
• Entrepreneurial mindset with a willingness to take risks and innovate
• Previous experience in a CTO or technical leadership role is highly desirable
• Bachelor\'s or Master\'s degree in Computer Science, Engineering or related field
• Strong portfolio of previous successful projects / products (preferably in AI, Blockchain or data-driven applications)
• Excellent communication and leadership skills to manage tech teams and collaborate with co-founders

Seniority level

• Executive

Employment type

• Part-time

Job function

• Business Development and Sales