Senior Full-Stack Engineer (Freelance) – Ad Tech & Campaigns

Vibe.co; Paris; Hybride; EUR 74 000 - 148 000; Plein temps

Avantages offerts par ce poste

equity

variable pay

health insurance

meal vouchers

annual offsite

quarterly tech syncs

Résumé du poste

Vibe.co is seeking a senior fullstack engineer for the AdManager team to build advertiser-facing products including campaign setup, reporting, and creatives management. You will design features, interfaces, scalable APIs, and database schemas while maintaining PostgreSQL backend systems. You will participate in testing, code reviews, and incident response to ensure reliable delivery.

The role is a freelance contract with hybrid work (3 days/week in the Paris office).

Qualifications

• Production-grade fullstack development experience.
• Experience owning projects and backend fundamentals.
• Ability to own production systems and technical planning.
• Experience with designing scalable APIs and databases.

Responsabilités

• Build advertiser-facing product features and campaigns.
• Design interfaces with Next.js, React, and TypeScript.
• Design scalable APIs and database schemas.
• Maintain PostgreSQL backend and ensure reliability via monitoring and incident response.
• Collaborate with product managers and engineers.
• Apply testing and code reviews.

Connaissances

Next.js

React

TypeScript

API design

Testing

Code review

Ownership

System design

Incident response

Monitoring

Outils

PostgreSQL

CI/CD

Description du poste

Vibe.co is seeking a senior fullstack engineer for the AdManager team to build advertiser-facing products including campaign setup, reporting, and creatives management. You will design features, interfaces, scalable APIs, and database schemas while maintaining PostgreSQL backend systems. You will participate in testing, code reviews, and incident response to ensure reliable delivery.

The role is a freelance contract with hybrid work (3 days/week in the Paris office).