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PHP Backend Developer (With front-end experience)

Santa Coloma de Gramenet, Barcelona🌐 Remote💼 Full-time🗓 2026-03-30 → 2026-08-06

Core

Design, implement, and maintain high-scalability Server-Side Publishing (SSP) projects and internal tools for a fast-growing AdTech company.

Role type

Senior PHP Backend Developer (AdTech)

Builds

Scalable SSP solutions for mobile and OTT advertising channels; internal tools for product testing and intranets.

Domain

Advertising Technology (AdTech), Mobile, OTT/CTV

Deliverable

production ML models | product features | infrastructure

Required skills

PHP (3+ years), Node.js (2+ years), MySQL (2+ years), API integration, scalable architecture design, unit testing, agile methodologies

Preferred skills

TypeScript, NoSQL (Redis, Aerospike), .Net (C#), front-end experience

Technologies

PHP, Node.js, MySQL, Slim, Redis, Aerospike, TypeScript, .Net

Responsibilities

Design and maintain complex, high-scalability technical solutions; build and evolve internal tools across multiple PHP frameworks; migrate legacy projects to Slim; define features and requirements; research and evaluate technical solutions; measure feature impact via metrics; plan and estimate deliveries; write efficient, secure, and documented code.

Seniority

Mid-Senior, hands-on IC

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