Lead Software Engineer, Deliverability Insights

Join Klaviyo in this exciting role and discover the secret sauce of Klaviyo’s success. This role will let you hone in your tech skills and learn from other talented colleagues. You will get continuous feedback from customers on the products you develop and use that feedback to craft stronger products.

About the Role:

This role represents a chance to be responsible for building out a highly requested product feature in Klaviyo. If you like having autonomy in your work and are excited to work on features that matter, this is a rare opportunity. 

As a Lead Software Engineer on our Deliverability Insights team you will build out new reporting surfaces in Klaviyo centred on deliverability metrics. This will allow Klaviyo customers to better understand what they are doing well and where they can improve. This is a highly requested feature in the Klaviyo platform.

You will also build out experiences that guide customers through improving their message sending practices and deliverability. The team will work iteratively in an agile fashion and you will measure user interactions and other success criteria for all the features you build.

The team is newly formed and only has a product manager at the moment. You will be one of two (planned) engineers on the team. As the Lead Engineer on the team you will be expected to take a leading role in technical discussions and set the example of following best practices for your team.

How you’ll make an impact:

• You will take a leading role in designing and building out features that let tens of thousands of Klaviyo customers better understand their deliverability metrics and messaging practices.
• You will architect and build systems that help customers action on poor deliverability metrics.
• Be responsible for the mission, technical direction, and day to day operations of product features that have a large impact.
• Mentor more junior engineers and set the example of best practices for your team.

Technologies we use (not comprehensive):

• Python, Django, React, Typescript
• MySQL, RabbitMQ
• AWS (EC2, RDS, EMR etc.), Kubernetes, Apache airflow

What you’ll need:

• 6+ years of professional experience as a software engineer with a significant part as a full stack developer.
• Experienced with cloud-based system development and deployment, AWS preferred.
• Experience working with both monolithic and microservices architectures.
• Proven experience with being a coach and a mentor for team members and helping them grow.
• Experience with maintaining and improving performance, reliability, and scalability of systems. 
• Be a leader in system design; provide technical direction and mentorship for more junior team members.
• Enjoy shipping code early & often in an agile fashion, pairing with product management to craft better software by soliciting feedback from thousands of end users. 
• Authorisation to work in the UK without restriction.
• Klaviyo offers hybrid working, you would need to be commutable to our London office 2 days a week.

About Klaviyo

Klaviyo is a unified customer platform for email, SMS, and more that helps businesses of every size own their marketing, customer relationships, data, and destiny. Klaviyo has helped hundreds of thousands of businesses grow by fostering customer relationships and generating billions of dollars in eCommerce purchases. In 2022, Klaviyo was recognised by Glassdoor as a Best Place to Work in the U.S. small and medium company category and by Comparably as one of the Best Engineering Teams and Product & Design Teams.

About the Team

Our engineers are organised into a series of product pillars, where multiple teams are contributing to the goals of a larger mission. This role sits within the Intelligence pillar which focuses on two main goals: helping customers understand where their business is currently, as well as helping them predict and plan for where they want to grow in the future.

We are proud of our data and our goal is to harness that wealth of numbers and present them to our customers in a way that is actionable, intuitive, and accessible. In the Intelligence pillar, software engineers and data scientists work together to take ideas from inception to new data-powered features.

Klaviyo in EMEA : As part of the Klaviyo team you will be looked after with some great benefits locally in EMEA including equity for all, private health cover for you and discounted for your household, financial and professional coaching, a generous annual learning allowance (£2.5k), 22 weeks full pay primary care giver leave (16 week secondary) and free books (yes, any books!) to name a few.