Full-Time

Senior Software Engineer

Posted on 1/4/2023

Klaviyo

Klaviyo

1,001-5,000 employees

Growth marketing automation platform

Consumer Software

Compensation Overview

$2.5 - $22

Senior

London, UK

Required Skills
Babel
JavaScript
React.js
Jest
TypeScript
Jenkins
REST APIs
Webpack
HTML/CSS
Requirements
  • An experienced engineer who has developed in and expanded on an internationalised complex SaaS product using React
  • 2+ years of professional experience with React
  • Strong knowledge of vanilla JS, ES2015+ syntax, and the Javascript ecosystem as a whole
  • Familiar with HTML, CSS, and general web best practices
  • Comfortable working across different parts of a large codebase
  • Highly collaborative and communicative
  • Authorisation to work in the UK without restriction
Responsibilities
  • Help design, build, and maintain a robust frontend system to make internationalisation integrated throughout the software development lifecycle. The code you write will help empower an organisation of 300+ engineers (and counting) ship frontend changes faster and more safely
  • Mentor the engineering team at large on how to write frontend code effectively, with a focus on internationalisation patterns
Desired Qualifications
  • Experience with Typescript
  • Experience with custom frontend build systems + tooling (e.g. Webpack, Babel, TypeScript, ESLint, Jest, Jenkins, CDNs, etc.)
  • Developing application APIs (e.g. REST, GraphQL, JSON Schema, or JSON:API, etc)
  • Having established best practices in how a company writes, tests, and deploys frontend code
  • Constantly thinking about frontend performance. If shaving kilobytes off a JS bundle or fixing wasted renders sounds appealing, we want to hear from you

Klaviyo's missions is to help companies retain customers and maximize their ROI. Klaviyo’s data–proven customer platform allows companies to send relevant, well–timed emails and SMS that increase lifetime values.

Company Stage

IPO

Total Funding

$1.5B

Headquarters

Boston, Massachusetts

Founded

2012

Growth & Insights
Headcount

6 month growth

20%

1 year growth

39%

2 year growth

62%
INACTIVE