Senior Fullstack Engineer
About Clair
If you can send your friends money in seconds, why does it still take your employer two weeks to send your paycheck?
At Clair, we are on a mission to create financial freedom for America's workers by giving them a digital banking platform that allows them to get paid as soon as they clock out of work. But we're not just another digital bank or on-demand pay provider. We meet Americans at their place of work by embedding our products within the scheduling, workforce management, and payroll apps they already use every day.
Learn more about us at getclair.com/about
Who We Are Looking For
We are seeking a world-class Senior Fullstack Engineer who thrives on solving high-impact, complex problems. You will own critical system architecture, shape the future of real-time financial transactions, and build at massive scale. Your work will directly enable millions of hourly workers to access financial freedom.
We operate at the intersection of fintech, embedded finance, and real-time payroll systems—building products that handle millions of transactions with sub-second performance.
If you are a problem solver who loves technical challenges, is passionate about performance optimization, security, and scalable architecture, and wants to influence key product decisions, you’ll love working with us.
Core Responsibilities
- Own and architect mission-critical financial applications, ensuring real-time, high-availability performance at scale.
- Design highly scalable APIs that support millions of transactions, leveraging cutting-edge cloud infrastructure.
- Lead high-performance engineering projects from conception to deployment, ensuring code quality, maintainability, and security.
- Optimize transaction processing systems to ensure instant payments and sub-millisecond response times.
- Make key architectural decisions to scale our on-demand pay and embedded finance solutions.
- Set the engineering bar high by leading performance optimizations, security improvements, and system reliability enhancements.
- Work alongside top engineers in a fast-paced, high-impact environment where decisions directly impact millions of users.
Required Experience & Qualifications
- 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 (React Native).
- 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 (Git, GitHub, GitLab, Bitbucket).
- Adaptability to thrive in a fast-paced startup environment and navigate uncertainty.
- Excellent interpersonal, written, and verbal communication skills with an ability to influence decisions.
How You'll Stand Out
- Experience working with financial technology platforms and payroll systems.
- Knowledge of authentication and authorization mechanisms for secure web applications.
- Familiarity with agile methodologies and cross-functional team collaboration.
- Experience in B2B or fintech product development.
- Ability to periodically travel for team headquarters meetings and company on-sites.
Why Join Us?
- Massive impact: Your work will empower millions of workers to access their wages instantly.
- Challenging, meaningful work: We are solving hard fintech problems at scale.
- Autonomy & ownership: Engineers own features end-to-end and influence architecture and product decisions.
- Top-tier teammates: Work with elite engineers who are passionate about high-performance, scalable systems.
- Fast-moving culture: We prioritize execution, technical excellence, and customer impact.
- Growth opportunities: Lead projects, mentor others, and grow into a Principal or Staff Engineer.
- Flexible work & perks: Competitive salary, equity, unlimited PTO, conference stipends, and top-tier benefits.
Additional Details
Location: This role is open to candidates in the NYC metro area with the ability to be onsite in the office 2+ days a week, and to remote candidates.
Compensation: The expected annual base salary for this role is $148,000 to $152,000 for candidates based in New York City. For remote candidates, the base salary is expected to be $125,000. The base pay for this role is determined using many factors, such as education, skills and experience and is reflective of Clair Series stage and size. Base pay is only one part of Clair’s competitive total compensation package which includes equity, benefits and additional perks. The base pay range is subject to change and may be modified in the future.
Need more convincing?
Apart from getting to work with our incredible team, here are some of the benefits you can expect when you join Clair:
- Medical, Dental, & Vision Coverage, with option to extend to your family
- Fully-paid parental leave
- Company-sponsored 401k, HSA, and FSA
- Unlimited vacation for salaried roles, generous PTO for hourly roles
- Work from home setup allowance
- Access to your earnings every day on Clair
- Company-sponsored short-term and long-term disability insurance
Equal Opportunity Employer Information
Clair is an equal opportunity employer and we value diversity at our company. We actively seek a diverse applicant pool and do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.
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