Co-Founder and CTO / Full-Stack Developer

Auralentis; Barcelona; A distancia; EUR 50.000 - 70.000; A tiempo parcial

Descripción de la vacante

An innovative startup in Barcelona is seeking a Co-Founder and CTO with extensive experience in full-stack development. This role involves leading technology development and defining the technical architecture for a vision-driven product. The position offers a unique opportunity for equity in the company and a flexible, part-time work environment as part of a collaborative team focused on shaping the future of generative AI.

Servicios

25% co-founder equity

Flexible work environment

Complete ownership of the technical side

Formación

• Minimum 10 years of experience in development.
• Strong entrepreneurial spirit and builder’s mindset.
• Prior experience in early-stage startups or SaaS environments is a bonus.

Responsabilidades

• Lead the development of core technology.
• Define and implement technical architecture and infrastructure.
• Collaborate on product direction and innovation.

Conocimientos

Full-stack development

Backend development

Familiarity with AI platforms

Strategic thinking

Excellent problem-solving skills

Descripción del empleo

Co-Founder and CTO / Full-Stack Developer Co-Founder and CTO / Full-Stack Developer

At Auralentis, we are an early-stage startup on a mission to redefine how businesses grow their presence in the age of generative AI. As tools like ChatGPT, Gemini, and other conversational platforms reshape information access, we’re building innovative solutions to help companies thrive in this new digital environment.

We are now looking for a technical co-founder (CTO) to join us at the ground level — someone with the skills and mindset to take ownership of our technology vision, help build an impactful platform, and grow with us long-term.

What You’ll Do

• Lead the development of our core technology
• Define and implement the technical architecture, stack, and infrastructure
• Collaborate on product direction, innovation, and strategic growth
• Take ownership of the technical roadmap and MVP delivery
• Contribute beyond coding — including ideation, experimentation, and future scaling
• Lay the foundation for building and leading a tech team in future phases

What We’re Looking For (min 10 years experience)

Strong full-stack or backend development experience

Familiarity with AI platforms, APIs, and automation workflows

Entrepreneurial spirit with a builder’s mindset

Strategic thinking with a hands-on approach to execution

Excellent problem-solving and communication skills

Bonus : prior experience in early-stage startups or SaaS environments

What We Offer

25% co-founder equity (vesting over 4 years, with 1-year cliff)

Complete ownership of the technical side of the business

Flexible work environment – contribute part-time alongside another role

Opportunity to work on a visionary product in a fast-evolving space

Collaboration with a focused, driven business founder in a true co-creation process

Europe is a strong plus for time zone alignment

Remote applicants from anywhere in the world are welcome

This is an equity-only position at the current stage. Auralentis is pre-revenue and bootstrapped, and we are building with long-term goals and global ambition. This is a unique opportunity to join as a co-founder and shape something from the ground up.

Seniority level

Seniority level Executive

Employment type

Employment type Part-time

Job function

Job function Business Development and Sales

Industries Technology, Information and Internet

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