Klaviyo · 6 hours ago
Senior Software Engineer (Mobile Developer) - Mobile App Growth
Boston, MA
Full-time
Onsite
Senior Level
$148K/yr - $222K/yrKlaviyo is a company that empowers creators to own their destiny through innovative technology. They are seeking a Senior Software Engineer to join their Mobile App Growth team, focusing on developing impactful mobile experiences and supporting product features for mobile users. This role involves collaboration with product teams, mentoring junior engineers, and leading cross-functional projects.
AdvertisingAnalyticsE-CommerceMarketing AutomationSoftware
Responsibilities
You will be a core member of the Mobile App Growth team, working on impactful mobile experiences making mobile integrations a core pillar of Klaviyo’s offerings
Work closely with product to provide the best experience for our customers
Collaborate with and grow junior engineers in their roles. Providing feedback and guiding them on projects
Take ownership of cross-functional projects from inception to release
Work across different mobile technologies with a focus on iOS and React Native
Work in the Django framework to help build out a pipeline for rendered mobile experiences
Qualification
Required
Deep experience in modern iOS development
Exposure and familiarity with React Native development
Have a proven track record of leading complex projects and collaborating across multiple teams
Experience working with mobile webviews and location services
Comfortable leveraging AI technologies to contribute effectively to different domains
Self-starter - As the member of the team, we are looking for someone who can bring with them expertise in greenfield iOS development
Adaptability - We will be working not just in native SDKs but also backend and frontend Klaviyo stacks, dev tooling and possible expansion into tertiary SDKs in the future
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
Preferred
Open to working with different technologies: Python, React, AWS, GoLang, Android, Flutter (prior experience not required but nice to have)
Benefits
Participation in the company’s annual cash bonus plan
Variable compensation (OTE) for sales and customer success roles
Equity
Sign-on payments
A comprehensive range of health, welfare, and wellbeing benefits based on eligibility
Company
Klaviyo
Klaviyo is an automation and email platform designed to help grow businesses.
Founded in 2012
1001-5000 employees
H1B Sponsorship
Klaviyo has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (47)
2024 (29)
2023 (24)
2022 (27)
2021 (21)
2020 (8)
Funding
Current Stage
Public CompanyTotal Funding
$1.35BKey Investors
ShopifySands Capital VenturesAccel
2025-08-13Post Ipo Secondary· $195.06M
2025-05-14Post Ipo Secondary· $372.95M
2023-09-20IPO
Leadership Team
Andrew Bialecki
CEO
Ed Hallen
Co-Founder, Chief Strategy Officer, Board Member
Recent News
Investing.com
2026-01-03
2025-12-17
Company data provided by crunchbase