Chief Technology Officer Lisboa

Chief Technology Officer
Lisboa
Lisboa, Lisboa, Portugal

As Blueclip, we started our journey to bring the most creative minds and the
- how together to deliver great works. Our current search is for a CTO/ VP of Engineer to join one of our international partners developing
- generation,
- first advertising technologies.

This role sits at the intersection of adtech, cryptography, AI, and blockchain, offering the opportunity to help build the proof layer for the future of internet advertising, one that is transparent, cryptographically verified, and
- preserving.

Key Responsibilities:

• Design and build the Proof Engine for
  - time Zero-Knowledge (ZK) verification
• Develop a transparency tool similar to an “Etherscan for advertising”
• Create
  - preserving AI models through federated learning
• Architect hybrid systems that combine
  - chain scalability with
  - chain settlement and
  - anchored proofs
• Collaborate with engineers, researchers, and product teams to ensure security, privacy, and performance at scale

Ideal Candidate Profile:

• Proven experience in adtech, blockchain, cryptography, or AI
• Strong background in building distributed or
  - performance systems
• Deep curiosity for
  - preserving and decentralized technologies
• Excellent communication and
  - solving skills
• Passion for meaningful, impactful engineering

Bonus points for:

• Hands-on knowledge of Zero-Knowledge Proofs, MPC, or differential privacy
• Exceptional university talent or lab assistant with
  - on projects in cryptography, AI, or distributed systems.
• Familiarity with programmatic advertising (DSP/SSP)
• Experience with
  - frequency or
  - latency systems

Tech Stack:

Rust • Go • Type
Script • React • Swift/Kotlin • Postgre
SQL • Redis • Redpanda • g
RPC • ZKPs • Merkle Proofs • HMAC • Federated Learning • GCP • Pulumi

If you’re ready to help build the trust layer for the internet, hit the apply button and be part of reinventing digital advertising. Please upload your CV in English.