Globalization Platform Engineer – LLM-Driven Backend

Stripe, Inc.; Barcelona; On-site; EUR 80,000 - 120,000; Full time

Job summary

Stripe, Inc. is seeking an experienced backend/platform engineer to design, implement, and maintain its internationalisation platform at scale in Barcelona.

You will help teams localize products across languages and markets, ensuring reliable, high-quality translated experiences. You will work across backend services, LLM systems, and translation workflows, improving speed, quality, and observability while migrating from legacy localization infrastructure.

Qualifications

• Strong coding skills across any language; language-agnostic interview process.
• Experience building reliable infrastructure, platform, or backend-service solutions.
• Ability to own ambiguous work end to end and drive progress.
• Excellent written and verbal communication in cross-functional teams.

Responsibilities

• Design and build internationalisation infrastructure supporting diverse content surfaces.
• Integrate localization into development and content workflows to ship translated experiences continuously.
• Build and maintain integrations with translation-management systems and LLM services.
• Evolve LLM capabilities to improve translation quality and efficiency.
• Develop automated quality checks and human-evaluation workflows.
• Maintain reliability with testing, monitoring, and incident response.
• Own high-impact initiatives end to end—from research to launch and iteration.

Skills

Backend engineering

Localization infra

LLM systems

CI/CD

Go/Java/Ruby

Tools

Translation management systems

LLM services

Job description

Stripe, Inc. is seeking an experienced backend/platform engineer to design, implement, and maintain its internationalisation platform at scale in Barcelona.

You will help teams localize products across languages and markets, ensuring reliable, high-quality translated experiences. You will work across backend services, LLM systems, and translation workflows, improving speed, quality, and observability while migrating from legacy localization infrastructure.