Senior Localisation Program Manager, Product

Marketing

London, UK

At Klaviyo, we value the unique backgrounds, experiences and perspectives each Klaviyo (we call ourselves Klaviyos) brings to our workplace each and every day. We believe everyone deserves a fair shot at success and appreciate the experiences each person brings beyond the traditional job requirements. If you’re a close but not exact match with the description, we hope you’ll still consider applying.

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London, UK (Hybrid: 3 days p/week in-office)

12 month FTC (mat-cover), ASAP start

This is a 12 month FTC maternity-cover for an ASAP start. We are looking for an experienced hands‑on Senior Localisation Program Manager to own and optimise Product localisation.

Localisation efforts at Klaviyo are centred around linguistic excellence, teamwork and scale. We are responsible for the translation and cultural adaptation of all customer‑facing content from performance-based marketing collateral to original training programs, the Klaviyo application and website, and our partner and developer portals. Our work is not just about translation and localization; it is about providing our customers with high quality localisation and an experience that feels locally relevant and fuels international growth for both our customers and Klaviyo.

Your primary responsibilities will be to:

• Manage all localisation for Product, Help Centre and Customer Education
  , partnering closely with those teams to deliver high quality, locally relevant experiences across all supported languages.
• Manage all language contractors (including freelance linguists, agencies and other language vendors), ensuring we have the right resourcing, quality, cost and workflows in place to support current and future localisation needs.
• Contribute to scaling localisation overall
  , including the management of machine translation for all languages and helping to build an AI‑first translation platform that enables faster, more scalable and more cost‑effective localisation for Klaviyo.

• End‑to‑end localisation ownership for Product, Help Centre and Customer Education
  :
  Plan, execute and manage localisation solutions for the Klaviyo Product, Help Centre and Customer Education teams, partnering closely with those teams to fully understand business goals, priorities and opportunities.
• Contractor and vendor management
  :
  Source, onboard, train, develop and manage a highly effective network of linguists and language partners (including freelancers, agencies and other vendors) that consistently deliver high‑quality output across all languages and content types.
• Language quality management
  :
  Define clear expectations and quality standards for all languages, set up scalable review and feedback loops, and manage performance to ensure we meet or exceed quality, timeliness and cost targets. Own and manage the Klaviyo Language hub (language governance) and associated processes across all languages.
• TMS and MT ownership
  :
  Own and manage our TMS (Smartling) as it relates to Product, Help Centre and Customer Education, ensuring optimisation for different content types, CMSs, language assets and resources, and integrating and managing machine translation within our workflows for all supported languages.
• AI‑first translation platform
  :
  Partner with Engineering, Product, Data and other internal teams to help design and build an AI‑first translation platform that leverages MT, generative AI and automation to increase localisation speed, consistency and scalability while maintaining quality.
• Transform workflows by putting AI at the centre, building smarter systems and ways of working from the ground up.
• Collaboration across the Localisation team
  :
  Collaborate with the broader Localisation team to deliver a high‑quality localised experience for international customers, drive scale in localisation, and resolve issues and blockers quickly.
• Champion the international customer
  :
  Be a champion internally for the international Klaviyo customer, ensuring their needs are represented in content, product decisions and localisation priorities.
• Perfor…