Software Engineer, Internationalisation Platform

Klaviyo

2 months ago

3.3 on Glassdoor

London, United Kingdom

Hybrid

Full Time

Medior

0 applicants

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About this role

A Software Engineer on Klaviyo’s Internationalisation (i18n) Platform team will work on the systems that create, process and deliver localisation features across the product. The role supports building translation pipelines, multi-currency handling, and integrating LLM workflows to improve translation capabilities. You’ll join a technical, cross-functional team that spans frontend and backend tooling and receive mentorship, on-call training, and growth opportunities.

Skills

About Klaviyo

klaviyo.com

Klaviyo is a B2C CRM and marketing automation platform that unifies AI-powered email and SMS to help ecommerce brands drive growth and retention. It uses customer data, advanced segmentation, and automation flows to deliver personalized, omnichannel experiences across email, SMS, WhatsApp, and more — including AI-driven capabilities via K:AI Agents. Klaviyo emphasizes measurable results with analytics, testing, and integrations with major ecommerce platforms to boost revenue and lifetime value. Companies use it to build targeted lifecycle campaigns, personalized messaging, and data-driven retention strategies at scale.