Substack · 2 hours ago
Full Stack Mobile Developer - Growth
United States
Full-time
Remote
Senior Level
$140K/yr - $260K/yr
5+ years expSubstack is building a new economic engine for culture, empowering creators with their own publishing platform. The Full Stack Mobile Developer will be responsible for building and supporting features that enhance user activation and help creators succeed through mobile and web applications.
Content CreatorsMedia and EntertainmentNewsPublishingSubscription Service
Responsibilities
Develop native mobile apps (iOS in Swift and/or Android in Kotlin) for creators and their audiences, with a focus on activation and growth
Build features across mobile and web to support user activation and conversion
Iterate on key user flows in the Substack mobile apps and web platform, and run A/B tests to improve activation metrics and drive growth
Work across our full tech stack (TypeScript/Node.js/Express, React, and Postgres) to deliver end-to-end solutions for activation
Collaborate with designers, writers, support staff, and many others. From product concept and research to implementation, experimentation, and measurement, we expect you to own your work and deliver high-quality solutions
Work directly with customers to solve their problems. The entire company (CEO included) participates in customer support in order to drive empathy for our users and help us build better products
Qualification
Required
At least 5 + years of software engineering experience with both mobile and full stack development
Experience shipping high-quality native mobile apps (iOS and/or Android) to app stores
Strong full stack web development experience using Node.js, React, and TypeScript
Independent and autonomous. We're too small to micromanage, and expect that every person at the company owns their work and can be a leader
Hold yourself and others to a high standard when working on production systems
Take pride in building elegant and delightful product experiences. Substack works best when it gets out of the way so creators can focus on writing and connecting with their readers
Enjoy collaboration with a diverse group of thinkers while bringing your own unique experience and background to the team
Believe in Substack's mission to build a better business model for writing
Have a degree in Computer Science or equivalent industry experience
Preferred
Experience at a fast-growing startup or working on a high-performing growth/activation team is not required, but is a plus
Benefits
Equity for all full time roles
Exceptional benefits
Company
Substack
Substack is a subscription-based newsletter publishing platform for independent writers.
51-200 employees
H1B Sponsorship
Substack 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 (8)
2024 (1)
2022 (3)
2021 (2)
Funding
Current Stage
Growth StageTotal Funding
$200.23MKey Investors
Andreessen HorowitzFifty YearsY Combinator
2025-07-17Series C· $100M
2024-11-12Series Unknown· $10M
2023-05-26Equity Crowdfunding· $7.81M
Leadership Team
Hamish McKenzie
Co-founder and Chief Writing Officer
Jairaj Sethi
CTO
Recent News
2025-12-26
BiometricUpdate.com
2025-12-17
2025-12-12
Company data provided by crunchbase