Software Engineer II - Internationalisation Platform

Posted 4 Hours Ago
Be an Early Applicant
London, Greater London, England
Hybrid
120K-180K Annually
Mid level
Consumer Web • eCommerce • Marketing Tech • Retail • Software • Analytics • Generative AI
Build something powerful.
The Role
As a Software Engineer, you will enhance internationalisation features, manage translations, and collaborate with various teams to improve user experience.
Summary Generated by Built In

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. Want to learn more about life at Klaviyo? Visit careers.klaviyo.com to see how we empower creators to own their own destiny.
The i18n Platform team owns all the ways we create, process and deliver internationalisation features for our users at Klaviyo. As a Software Engineer on the team, you will be involved in how we manage translations, deliver new localisation features, and improve our internationalisation processes.
You can look forward to being a part of a highly technical team with significant domain expertise. We oversee tools and services that are leveraged across the organization from the frontend UI to backend data. The team also owns and orchestrates several services to manage the pipeline of translations with our localisation team.
As we look toward the next 6-12 months, we aim to focus on delivering translation capabilities across the different channels we support in sending messaging to customers.
How You Will Make a Difference:

  • You will collaborate closely with other i18n Platform team members to help build the best in class internationalisation features for our end customers and engineers.
  • You will be responsible for implementing new functionality into complex frontend systems.
  • You will be working closely with engineers from other teams across Klaviyo to bring internationalisation processes and features to their code.
  • You will be an active participant in all team processes including standups, groomings, retros, on call, and more.
  • You will help interview new engineering team members as we continue to grow our organization.


What we are looking for

  • 2-5 years of experience in a software engineering discipline
  • Experience with full stack application development
  • Experience working with both monolithic and microservices architectures
  • Experience with database design that can withstand high query volumes
  • Experience with CI/CD pipelines
  • Experience debugging performance issues and improving application performance
  • An interest and aptitude for collaboration across teams and disciplines
  • An understanding of challenges in developing software across multiple languages and catering to non-English speaking users
  • Thrives in a fast paced, customer focused, and strategic environment.


Nice to Have

  • Experience creating new services with scalability in mind. Exposure to large-scale system design
  • Experience with AWS or any similar cloud provider
  • Communication domain experience


Technologies we use (not exhaustive):

  • React, TypeScript, JavaScript, HTML, CSS
  • Babel, Webpack, Eslint, Prettier
  • REST, GraphQL, JSON Schema, and JSON:API
  • CDNs (Fastly, Cloudflare)
  • BuildKite
  • MySQL, Redis, Pulsar
  • Python, Django, Go, React, RabbitMQ, Celery, MySQL, DynamoDB, Cassandra, Redis
  • Amazon Web Services (EC2, RDS, Aurora, etc.), Terraform, Kubernetes, Splunk, Jenkins, Grafana, and other modern DevOps tools


Our salary range reflects the cost of labour in the country where the job post is advertised. The base salary offered for this position is determined by several factors, including the applicant's job-related skills, relevant experience, education or training, and work location.
In addition to base salary, our total compensation package may include participation in the company's annual cash bonus plan, variable compensation (OTE) for sales and customer success roles, equity, sign-on payments, and a comprehensive range of health, welfare, and wellbeing benefits based on eligibility. Please visit Klaviyo Rewards - Global Benefits to find out more about our Total Rewards package.
Your recruiter can provide more details about the specific salary/OTE range for your preferred location during the hiring process.
Base Pay Range in Local Currency:
$120,000 - $180,000 USD
Get to Know Klaviyo
We're Klaviyo (pronounced clay-vee-oh). We empower creators to own their destiny by making first-party data accessible and actionable like never before. We see limitless potential for the technology we're developing to nurture personalized experiences in ecommerce and beyond. To reach our goals, we need our own crew of remarkable creators-ambitious and collaborative teammates who stay focused on our north star: delighting our customers. If you're ready to do the best work of your career, where you'll be welcomed as your whole self from day one and supported with generous benefits, we hope you'll join us.
Klaviyo is committed to a policy of equal opportunity and non-discrimination. We do not discriminate on the basis of race, ethnicity, citizenship, national origin, color, religion or religious creed, age, sex (including pregnancy), gender identity, sexual orientation, physical or mental disability, veteran or active military status, marital status, criminal record, genetics, retaliation, sexual harassment or any other characteristic protected by applicable law.
IMPORTANT NOTICE: Our company takes the security and privacy of job applicants very seriously. We will never ask for payment, bank details, or personal financial information as part of the application process. All our legitimate job postings can be found on our official career site. Please be cautious of job offers that come from non-company email addresses (@klaviyo.com), instant messaging platforms, or unsolicited calls.
By clicking "Submit Application" you consent to Klaviyo processing your Personal Data in accordance with our Job Applicant Privacy Notice. If you do not wish for Klaviyo to process your Personal Data, please do not submit an application.

Top Skills

Amazon Web Services
Babel
Cassandra
Celery
CSS
Django
DynamoDB
Eslint
Go
Grafana
GraphQL
HTML
JavaScript
Jenkins
Json Schema
Json:Api
Kubernetes
MySQL
Prettier
Pulsar
Python
RabbitMQ
React
Redis
Rest
Splunk
Terraform
Typescript
Webpack

What the Team is Saying

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The Company
Boston, MA
2,300 Employees
Hybrid Workplace
Year Founded: 2012

What We Do

Klaviyo (NYSE: KVYO) is the only CRM built for B2C brands. Powered by its built-in data platform and AI insights, Klaviyo combines marketing automation, analytics, and customer service into one unified solution, making it easy for businesses to know their customers and grow faster. Klaviyo (CLAY-vee-oh) helps relationship-driven brands like Mattel, Glossier, Core Power Yoga, Daily Harvest and 167,000+ others deliver 1:1 experiences at scale, improve efficiency, and drive revenue.

Why Work With Us

We refer to our employees as ‘Klaviyos’, and we make up a diverse community united around shared values: We’re curious, collaborative, driven, innovative, fun, and fully ourselves at work. No matter which team you join, your work won’t just impact Klaviyo. It’ll help empower our customers and enable creators across the globe to own their destinies.

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Klaviyo Offices

Hybrid Workspace

Employees engage in a combination of remote and on-site work.

Typical time on-site: 3 days a week
Boston, MA
Denver, CO
Dublin, IE
London, GB
San Francisco, CA
Sydney, New South Wales
Learn more

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