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Senior TypeScript Developer (Backend / Full-Stack)

Barcelona, Spain🌐 Remote💼 Full-time🗓 2026-04-23 → 2026-07-31

Core

Architecting and building the MGP UI, a next-generation control plane for mobile app developers to acquire, monetize, and retain users, integrating AI-powered features.

Role type

Senior IC TypeScript Developer (Backend / Full-Stack)

Builds

MGP UI control plane, backend services, APIs, and AI-powered product features

Domain

AdTech / Programmatic Advertising

Deliverable

production ML models | product features

Required skills

TypeScript (generics, conditional types, mapped types), Backend architecture, PostgreSQL, Message queues, Caching, AI integration (LLMs), System design

Preferred skills

React / Next.js, UI/UX sensibility, Design systems, Functional programming patterns

Technologies

TypeScript, PostgreSQL, Message queues, LLMs (Claude, GPT, Copilot)

Responsibilities

Own the architecture of MGP UI, Write production TypeScript, Establish engineering practices, Integrate AI into workflows, Mentor engineers, Collaborate cross-functionally

Seniority

Senior, hands-on IC

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