Lead Software Engineer, Klaviyo

• 10+ years of experience and have architected, built and delivered one or more complex systems
• Have multiple years of proven experience building products that matter and pushing yourself and your team to be better engineers and build a product with passionate advocates
• Have proven that you can build & scale complex distributed systems including solving problems in sustainable ways, balancing pragmatic development with ideal architecture, breaking through technical obstacles with vigor, and leading teams through crises by working side by side with them in the trenches
• Have experience in leading large scale initiatives across multiple teams spanning multiple months
• Enjoys working with new technologies ranging from the frontend to backend, and are particularly passionate and an expert in multiple stack areas. You show this by having strong and opinionated experience with various technologies and know how to pick the right tool for any job
• Loves digging into performance and scalability issues to drive breakthrough solutions, whether it's a slow loading UI or too many clicks in a workflow, a database query timing out, or a queue that just won’t drain. You recognize all problems can be solved
• Enjoy shipping code early & often in an agile fashion, pairing with product management to craft better software by soliciting feedback from tens of thousands of end users
• Like working on small, autonomous agile teams. At Klaviyo, you will have ownership of features, but you'll collaborate with everyone to make sure we produce the right solution

Desirable

• The Mobile Platforms team at Klaviyo is responsible for empowering the over 150,000 Ecommerce clients we work with on a global scale to deliver effective experiences on mobile devices
• This team focuses on performance optimization and continuous development of our Mobile Marketing Channels (SMS, Push Notifications, In App Messages, WhatsApp and RCS), Mobile SDKs (iOS, Android and React Native)
• While Email was how Klaviyo began, Mobile messaging is truly the way of the future
• The Mobile Platforms team works with multiple stakeholders to provide the best in class service and reliability to connect a wide range of customers, from entrepreneurs to enterprises, with their end users. The messaging platform for Klaviyo delivered over 100 million messages during Black Friday 2023
• As a Lead II Software Engineer joining the Mobile Platforms team you can expect to be deeply involved in the establishment of a technical vision and roadmap for the overall space
• You would get a chance to be also a part of the team that works on the development of the next generation of mobile messaging platforms
• Build and improve systems for high volume message delivery using multiple channels keeping in mind the overall user experience
• Provide technical leadership to drive architectural decisions across multiple teams and provide solutions for complex problems around scalability, throughput, performance etc
• Strive towards a cohesive technical vision across multiple roadmap items that are built across multiple teams
• Defines technical strategy within their scope and executes to improve the area's products, infrastructure, or processes
• Mentors multiple engineers to develop new technical leadership for the company