
The CRM platform for growth-focused B2C brands
Klaviyo, headquartered in Boston, MA, is a leading CRM platform specifically designed for B2C brands. With over 100,000 customers, including notable names like Uncommon Goods and Chubbies, Klaviyo integrates marketing automation, analytics, and customer service into a single solution. The company ha...
Klaviyo offers a comprehensive benefits package including private medical insurance, an employee stock purchase plan, company equity, generous parenta...
Klaviyo fosters a data-driven culture that emphasizes the integration of analytics and messaging to empower eCommerce brands. The company values innov...

Klaviyo • London, UK
Klaviyo is hiring a Senior Software Engineer for their Internationalisation Platform team to lead complex projects related to translations and localisation features. You'll work with technologies like Java, JavaScript, and Python to enhance internationalisation processes.
You have 5+ years of software engineering experience, particularly in building scalable applications that cater to international users. Your background includes working with complex systems and you have a strong understanding of how to manage translations and localisations effectively. You are comfortable mentoring junior engineers and leading projects that require collaboration across multiple teams.
Your expertise includes proficiency in Java, JavaScript, and Python, which you have used to develop features that enhance user experience across different languages and currencies. You understand the nuances of internationalisation and have experience implementing solutions that improve the accessibility of products for diverse audiences.
You thrive in a collaborative environment and enjoy working with cross-functional teams, including product managers and designers, to deliver high-quality features. You are detail-oriented and have a strong focus on user needs, ensuring that the solutions you develop are both functional and user-friendly.
Experience with machine learning workflows or large language models (LLMs) is a plus, as the team is looking to enhance translation capabilities using advanced technologies. Familiarity with localisation tools and processes will also be beneficial in this role.
As a Senior Software Engineer on the Internationalisation Platform team, you will lead the development of features that manage translations and localisations for Klaviyo's products. You will be responsible for overseeing the pipeline of translations and ensuring that new localisation features are delivered efficiently. Your role will involve collaborating with the localisation team to improve processes and enhance the overall user experience.
You will work on projects that focus on handling multiple currencies and improving the Smart Translations product, which is crucial for Klaviyo's international users. Your contributions will directly impact how users interact with the platform across different regions, making it essential to understand user needs and preferences.
You will also mentor junior engineers, providing guidance and support as they navigate their projects. Your leadership will help foster a culture of learning and collaboration within the team, ensuring that everyone is aligned on goals and best practices.
Klaviyo offers a dynamic work environment where you can grow your skills and make a significant impact on the product. You will be part of a highly technical team that values diverse perspectives and encourages innovation. The company is committed to empowering its employees and providing opportunities for professional development.
You will have access to resources and tools that support your work, as well as a culture that promotes work-life balance. Klaviyo believes in the importance of a supportive workplace where everyone can thrive and contribute to the company's mission of helping creators own their destiny.
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