Senior Fullstack Engineer (Core Products)

Clair

United States Posted September 23, 2026

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Remote Full-time Senior
Salary Range

$124,000 - $147,000

Job Description

Join Clair, a fintech company revolutionizing access to pay. As a Senior Software Engineer on the Core Products team, you'll take full ownership of the feature lifecycle, drive the adoption of AI-native engineering practices, and design resilient systems. Your work will directly impact millions of hourly workers and their financial freedom. Enjoy benefits like 100% medical coverage, unlimited vacation, and access to your earnings every day.

  • Assumer la responsabilité complète du cycle de vie des fonctionnalités, mesurer de manière obsessionnelle les résultats commerciaux après le lancement et concevoir des systèmes en tenant compte des impacts en aval.
  • Diriger l'adoption des pratiques d'ingénierie natives à l'IA au sein de l'équipe, en tirant parti des modèles à la pointe de la technologie et en intégrant des flux de travail agentiques dans l'architecture du produit.
  • Collaborer directement avec les équipes de conception, de produit et de données pour définir la stratégie technique, remettre en question les hypothèses et évaluer les compromis du produit avant d'écrire du code.
  • Experience working with PostgreSQL databases
  • Expertise with React.js, TypeScript, JavaScript (ES6+), and Expo (React Native) for frontend development
  • Demonstrated experience leveraging AI-assisted workflows for rapid, high-quality code generation
  • 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
  • Exceptional communication skills, with the ability to convey technical concepts clearly both in calls and in writing
  • A track record of prioritizing user impact over technical cleverness and holding yourself accountable to business metrics (conversion, retention, operational cost)
  • Experience with AWS infrastructure
  • Ability to collaborate effectively in a fast-paced, highly collaborative environment
  • Some experience with Laravel (PHP) backend development, or demonstrable expertise building performant backend systems at scale
  • Ability to work across the stack comfortably, fully owning a product or feature
  • Deep experience building, deploying, and maintaining production-grade applications in cloud-native environments
  • Strong understanding of event-driven architectures and how core transactional systems feed analytical data engineering pipelines
  • Specific experience in lending, payments, BNPL, ACH, etc
  • Experience working with financial technology platforms and payroll systems
Required Skills
PostgreSQL React TypeScript JavaScript React Native performance optimization communication Amazon Web Services collaboration Laravel PHP cloud-native data engineering payroll
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