> Markdown version of [/jobs/ext/4630337-backend-engineer](https://www.wearedevelopers.com/jobs/ext/4630337-backend-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Backend Engineer - **Company:** Stripe - **Location:** Spain - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Continuous Integration, Machine Learning, Ruby, Large Language Models, Backend, Stripe, Programming Languages - **Published:** November 8, 2026 - **Apply:** https://startup.jobs/backend-engineer-internationalisation-stripe-10717452 ## About the Role * Strong coding skills in any programming language (we understand new languages can be learned on the job so our interview process is language agnostic) * Experience developing reliable infrastructure, platform, or backend-service solutions. * Strong product judgment and a commitment to building high-quality user and developer experiences. * Ability to own ambiguous work end to end and make progress through research, experimentation, and iteration. * Strong written and verbal communication skills, with the ability to work effectively in a collaborative, cross-functional environment., * Experience building or operating production LLM or machine-learning systems. * Experience evaluating LLM output or combining automated systems with expert human review. * Familiarity with internationalisation, localization, translation, or content-management workflows. * Experience with CI/CD systems, developer platforms, or workflow infrastructure. * Backend engineering experience building services using programming languages such as Java, Ruby, or Go. * Experience building internal platforms that ultimately support customer-facing products. ## Description * Design and build internationalisation infrastructure that supports diverse content surfaces, including backend services, product interfaces, and written communications. * Integrate localization into Stripe's software-development and content-production workflows, enabling teams to ship translated experiences continuously and safely. * Build and maintain integrations with translation-management systems, LLM services and external localization providers. * Evolve Stripe's existing production LLM capabilities to improve translation quality, market relevance, turnaround time, and operational efficiency. * Develop automated quality checks and human-evaluation workflows that combine LLM-driven automation with expert linguistic judgment. * Maintain a high bar for reliability through effective testing, monitoring, alerting, and operational processes. * Own ambiguous, high-impact initiatives end to end-from research and experimentation through implementation, launch, measurement, and iteration.