Mobile Engineer jobs in United States
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Fin · 2 months ago

Mobile Engineer

positionUnited States
timeFull-time
remoteRemote
seniorityMid Level
money$125K/yr - $250K/yr
date3+ years exp

Fin is a next-generation payments platform that reimagines how money moves worldwide. They are seeking a Mobile Engineer to define the mobile experience across iOS and Android using React Native, focusing on creating intuitive interfaces for users interacting with the platform for the first time.

BlockchainCryptocurrencyPayments
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H1B Sponsor Likelynote

Responsibilities

Own the Fin mobile app across iOS and Android using React Native, from architecture to implementation and polish
Design and implement flows that make sending, receiving, and managing money feel simple and trustworthy for everyday users
Help design secure account and custody patterns that can scale to handle meaningful balances and real world usage
Collaborate with design and product to prototype, refine, and ship new features quickly
Maintain a high bar for code quality through thoughtful architecture, code review, and testing
Work with backend and infra engineers to integrate APIs, payments, and identity or security features into the mobile app

Qualification

React NativeMobile app architectureUIUX designExpo ecosystemCloud platformsInterest in fintechCommunicationIndependent work

Required

3+ years of experience building and shipping mobile apps in React Native. Deep familiarity with the Expo ecosystem and modern mobile build pipelines (EAS) is required
Strong product sense and attention to detail in UI and UX, especially for consumer facing apps
Solid understanding of mobile app architecture, performance, and offline or edge cases
Ability to work independently, set priorities, and drive projects from idea to shipped
Strong communication skills and comfort collaborating with design, product, and backend teams
Interest in payments, fintech, or crypto. You do not need to be a chain maximalist, but curiosity about the space helps

Preferred

You have shipped an app from concept to production in a small team or as the primary developer
Experience in EITHER traditional consumer fintech apps (neobanks, peer-to-peer payments) OR mobile crypto wallets (Solana, non-custodial, etc)
Experience with cloud platforms such as GCP or AWS
Experience deploying smart contracts on Solana or integrating with blockchain based systems
Background in security, threat modeling, or penetration testing, especially for consumer finance products

Company

Fin

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Fin is a next-generation payments platform built for high-value, global, and instant transactions.
dateFounded in 2022
location
New York, New York, USA
people-size2-10 employees
web-link
https://tiplink.io

H1B Sponsorship

Fin 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
2021 (2)

Funding

Current Stage
Early Stage
Total Funding
$6M
2023-02-21Seed· $6M

Leadership Team

I
Ian Krotinsky
Co-Founder and CEO
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Aashiq Dheeraj
CTO
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Recent News

Medium
TipLink raises $6m, co-led by Sequoia and Multicoin, to unlock the ultimate distribution mechanism to send crypto & NFTs
2025-03-27
Decrypt
Multicoin, Sequoia Lead $6M Round in Solana-based Crypto Wallet TipLink
2025-03-27
multicoin.capital
Onboarding The Next Billion Users To Crypto Rails
2025-03-27
Company data provided by crunchbase