Senior Software Engineer - Mobile Push

Klaviyo•Boston, MA

About The Position

Why you should join the Mobile Push Team: The Mobile Push team, a diverse group of accomplished engineers, that focuses extensively on developing products within the space of push notification marketing. As Klaviyo continues to break into the enterprise market we need skilled engineers that are capable of self-starting on new product features and working through existing problems with a mind for high scalability. The work is cross-functional, but leans towards backend development. We work closely with other mobile teams to ensure we have end-to-end support for our features across various mobile platforms. Over the past year, the Mobile Push team at Klaviyo has continued to scale its existing product features in support of Klaviyo’s first enterprise customers. While doing so we have also continued to create new domains (like geofencing) that will help Klaviyo support a mobile-first ecosystem for its customers. The continued expansion of product areas and scale has augmented the scope of the team’s responsibilities. With new products to cultivate and further levels of scalability to master, the team requires a highly capable software engineer to help manage the increasing demands due to working on Klaviyo’s mobile offerings. This engineer will contribute to the expansion and maintenance of the team’s mobile push offerings, enable us to build and launch brand new mobile-first experiences and extend Klaviyo’s reach beyond traditional email marketing into a comprehensive mobile experience. How You'll Make an Impact: You will be a core member of the Mobile Push team, working on high-scale problems and new product features in mobile marketing space. Work closely with product and design to provide the best experience for our customers. Take ownership of projects from inception to release. Work on fullstack problems in a high-scale enterprise-level GoLang microservices stack and flex knowledge in the Django (Python) framework to help build out pipelines for rendered mobile experiences. Who you are: Deep experience working in fullstack roles with a focus on GoLang and/or Python development Experience working in cloud technologies, particularly with AWS systems like EC2 and RDS Exposure to frontend development, mainly in React Exposure mobile development - either Android or iOS (nice to have) Open to working with different technologies as needed Have a proven track record of leading projects and collaborating well at a cross-functional level Comfortable leveraging AI technologies effectively in personal contributions. Self-starter - As the member of the team, we are looking for someone who can bring with them expertise in fullstack development. Adaptability - We will be working not just in backend systems may also touch frontend UI, cloud systems, and build dev tools. Ambition - We are looking for people that can take an idea and have the ambition to headline it in the future. Learning - To be always learning is a core value at Klaviyo and this role will require someone excited to learn new technologies and expose themselves to new approaches Technologies We Use (not exhaustive): GoLang Python, Django React, TypeScript, Redux MySQL, Redis, DynamoDB AWS (EC2, RDS, Aurora), Terraform We use Covey as part of our hiring and / or promotional process. For jobs or candidates in NYC, certain features may qualify it as an AEDT. As part of the evaluation process we provide Covey with job requirements and candidate submitted applications. We began using Covey Scout for Inbound on April 3, 2025. Please see the independent bias audit report covering our use of Covey here

Requirements

Deep experience working in fullstack roles with a focus on GoLang and/or Python development
Experience working in cloud technologies, particularly with AWS systems like EC2 and RDS
Exposure to frontend development, mainly in React
Open to working with different technologies as needed
Have a proven track record of leading projects and collaborating well at a cross-functional level
Comfortable leveraging AI technologies effectively in personal contributions.
Self-starter - As the member of the team, we are looking for someone who can bring with them expertise in fullstack development.
Adaptability - We will be working not just in backend systems may also touch frontend UI, cloud systems, and build dev tools.
Ambition - We are looking for people that can take an idea and have the ambition to headline it in the future.
Learning - To be always learning is a core value at Klaviyo and this role will require someone excited to learn new technologies and expose themselves to new approaches

Nice To Haves

Exposure mobile development - either Android or iOS (nice to have)

Responsibilities

You will be a core member of the Mobile Push team, working on high-scale problems and new product features in mobile marketing space.
Work closely with product and design to provide the best experience for our customers.
Take ownership of projects from inception to release.
Work on fullstack problems in a high-scale enterprise-level GoLang microservices stack and flex knowledge in the Django (Python) framework to help build out pipelines for rendered mobile experiences.

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