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Senior Fullstack Engineer

Fintech company providing digital banking platform that allows workers to get paid instantly after clocking out of work.
$125,000 - $152,000
Backend
Senior Software Engineer
Hybrid
5+ years of experience
Finance

Description For Senior Fullstack Engineer

Clair is revolutionizing the way workers get paid by providing instant access to earned wages through their digital banking platform. As a Senior Fullstack Engineer, you'll be at the forefront of building scalable financial technology solutions that process millions of transactions in real-time. The role combines challenging technical work with meaningful impact, as your contributions will directly enable millions of hourly workers to achieve financial freedom.

You'll be working at the intersection of fintech, embedded finance, and real-time payroll systems, tackling complex problems that require innovative solutions. The position offers significant technical challenges in performance optimization, security, and scalable architecture, while also providing opportunities to influence key product decisions. You'll be responsible for designing and implementing high-performance APIs, optimizing transaction processing systems, and ensuring the reliability of critical financial applications.

The ideal candidate brings 5+ years of experience in building fintech products, with strong expertise in both backend (PHP/Laravel) and frontend (React, TypeScript) technologies. You'll work in a hybrid environment, with the option to work remotely while maintaining some in-person collaboration at the NYC office. The compensation is competitive, ranging from $125,000 for remote positions to $152,000 for NYC-based roles, plus equity and comprehensive benefits.

This is an opportunity to join a mission-driven company that's transforming payroll technology while working alongside top-tier engineers in a fast-paced, high-impact environment. Your work will directly contribute to improving the financial lives of millions of workers while solving interesting technical challenges at scale.

Last updated 12 minutes ago

Responsibilities For Senior Fullstack Engineer

  • Own and architect mission-critical financial applications
  • Design highly scalable APIs that support millions of transactions
  • Lead high-performance engineering projects from conception to deployment
  • Optimize transaction processing systems for instant payments
  • Make key architectural decisions to scale on-demand pay solutions
  • Set the engineering bar high by leading performance optimizations
  • Work alongside top engineers in a fast-paced environment

Requirements For Senior Fullstack Engineer

PHP
JavaScript
TypeScript
React
Node.js
MySQL
PostgreSQL
MongoDB
Kubernetes
  • 5+ years of experience building, launching, and maintaining scalable fintech products
  • Expertise in PHP (Laravel) with at least 3 years of experience
  • Proficiency in frontend development using Vue.js, React.js, TypeScript, JavaScript (ES6+), and Expo
  • Experience with databases such as MySQL, PostgreSQL, and MongoDB
  • Strong understanding of OOP principles, design patterns, and RESTful API design
  • Cloud & DevOps experience, including AWS, Docker, Kubernetes, and CI/CD pipelines
  • Strong testing and QA skills using PHPUnit, Jest, Cypress, and Postman
  • Proficiency with version control systems
  • Adaptability to thrive in a fast-paced startup environment
  • Excellent interpersonal, written, and verbal communication skills

Benefits For Senior Fullstack Engineer

Medical Insurance
Dental Insurance
Vision Insurance
401k
Parental Leave
  • Medical, Dental, & Vision Coverage, with option to extend to family
  • Fully-paid parental leave
  • Company-sponsored 401k, HSA, and FSA
  • Unlimited vacation for salaried roles
  • Work from home setup allowance
  • Access to earnings every day on Clair
  • Company-sponsored short-term and long-term disability insurance

Interested in this job?

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