Mine (formerly Fizz) · 11 hours ago
Front End Engineer
New York, NY
Full-time
Hybrid
Mid, Senior Level
$180K/yr - $225K/yr
3+ years expMine is a company leveraging modern technologies to enhance financial products. They are seeking a Front End Engineer to take ownership of frontend development and help scale user-facing applications for over 1 million users.
Credit CardsDebit CardsFinancial Services
Responsibilities
Take end-to-end ownership of the frontend development lifecycle—from architecture and implementation to testing, deployment, and optimization
Build out and iterate on our AI product initiatives
Build and maintain high-quality applications using Flutter
Collaborate closely with designers, product managers, and backend engineers to create intuitive, delightful user experiences
Lead complex technical projects involving multiple engineers and push the design team to deliver world-class products
Balance team collaboration with independent execution to meet ambitious goals and tight timelines
Architect, refactor, and debug applications at scale without introducing regressions
Work with observability tools like Sentry and Datadog to monitor and optimize application performance
Implement and maintain event tracking systems using tools like RudderStack and Mixpanel
Mentor junior developers and help establish engineering best practices
Qualification
Required
3+ years of experience in mobile development with strong Flutter expertise
Built and maintained mobile/web applications at scale—experience architecting, refactoring, and debugging applications with lots of users
Strong experience with modern frontend tooling, architectural patterns, testing frameworks, and CI/CD pipelines
Experience with observability and analytics tools (Sentry, Datadog, RudderStack, Mixpanel)
Startup experience and ability to thrive in fast-paced, ambiguous environments (wear lots of hats 🧢 👒 ⛑️)
Preferred
Experience with flutter_bloc
Experience building applications with React, TypeScript, and Node.js (Express)
Early employee at a hyper-growth startup
Experience at world-class product orgs (ex: Brex, Ramp, Stripe, CashApp, Airbnb)
Experience optimizing fintech onboarding flows and KYC processes
Strong design sense
Y Combinator experience
Experience with financial services or regulated industries
Benefits
Generous equity in an early-stage startup 📈
100% employer-paid medical benefits 🩺
Very sunny NYC Office with flexible WFH policy 💼
Your very own, company-mandated, desk plant 🪴
Lots of good office snacks 🍿 🍵
Unlimited vacation policy with 15 official company holidays 🏝
401K plan with 4% company match 💪🏻
16 weeks of paid parental leave, including adoption and fostering 👶
Visa sponsorship is available for qualified candidates 🌎
Company
Mine (formerly Fizz)
Mine is the personal finance app designed to help you get ahead.
11-50 employees
Funding
Current Stage
Early StageTotal Funding
$14.53MKey Investors
Kleiner Perkins
2025-05-15Series A
2024-06-06Seed· $14.4M
2021-08-31Pre Seed· $0.12M
Leadership Team
Scott S.
Co-Founder and COO
Recent News
Company data provided by crunchbase