Tech Co-Founder
Location
Worldwide
Posted
23 days ago
Salary
0
Seniority
Mid Level
No structured requirement data.
Job Description
Tech Co-Founder
ETHjuniors
Role Description This is a remote position. The company is building an AI-powered marketing execution platform for Swiss SMEs. The product helps companies turn one campaign brief into brand-consistent, compliance-reviewed campaigns across several channels. The company is currently in proof of concept with its first design partners and is looking for a highly ambitious technical builder to join as an early technical co-founder / founding engineer. You will help build the first version of the product, work closely with the founding team, and take ownership of core parts of the platform. This includes: - Backend development - AI workflows - Campaign generation - Document processing - Data architecture - Integrations with marketing tools This role is ideal for someone early in their career who has already built strong technical projects, has hands-on AI/LLM experience, and wants to grow into a technical leadership or CTO-type role over time. Qualifications - Strong programming skills in Python or TypeScript - First experience building backend systems, APIs, SaaS products, automation tools, or AI applications - Hands-on experience with LLM APIs, RAG, structured outputs, AI agents, or workflow automation - Good understanding of databases, ideally PostgreSQL - Interest in cloud deployment, security, data privacy, and scalable architecture - Experience or strong interest in REST API integrations, OAuth, rate limits, and third-party platforms such as LinkedIn, Meta, Google, or email tools - High ownership mentality and willingness to build in an early-stage startup environment - Ability to work independently, learn quickly, and make pragmatic technical decisions - Fluent in English; German and/or French is a plus Requirements - Strong programming skills in Python or TypeScript - First experience building backend systems, APIs, SaaS products, automation tools, or AI applications - Hands-on experience with LLM APIs, RAG, structured outputs, AI agents, or workflow automation - Good understanding of databases, ideally PostgreSQL - Interest in cloud deployment, security, data privacy, and scalable architecture - Experience or strong interest in REST API integrations, OAuth, rate limits, and third-party platforms such as LinkedIn, Meta, Google, or email tools - High ownership mentality and willingness to build in an early-stage startup environment - Ability to work independently, learn quickly, and make pragmatic technical decisions - Fluent in English; German and/or French is a plus Benefits - Co-founder equity + salary - High ownership from day one - Opportunity to build an AI-native SaaS product from the ground up - Direct influence on product, technology, and company strategy - Steep learning curve across AI, SaaS, marketing automation, and startup building - Clear path toward a technical leadership / CTO role over time
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