Full Stack Developer (React/Node)

This role is for one of the Weekday's clients

Requirements

What You'll Do

• Develop and maintain scalable, production-ready full-stack applications using JavaScript/TypeScript
• Work across data layers using both PostgreSQL (relational) and MongoDB (document-based)
• Integrate LLM APIs (e.g., OpenAI, Anthropic) to create intelligent, dynamic product features
• Collaborate closely with design and product teams to define, implement, and iterate on new capabilities
• Build robust backend APIs and deploy them on modern cloud infrastructure
• Optimize code performance and address real-time production issues
• Take ownership of features from concept through deployment and ongoing optimization
  

Must-Have Skills

• Strong programming experience in JavaScript and TypeScript across the stack
• Hands-on experience with ReactJS, Node.js, and frameworks like Express or Next.js
• Proficiency with PostgreSQL and MongoDB or other NoSQL databases
• Familiarity with integrating and optimizing LLM APIs (e.g., OpenAI, Anthropic)
• Startup mindset with the ability to work in high-velocity environments
• Strong architectural thinking, debugging ability, and ownership mindset
• Clear communicator and effective team collaborator
  

Bonus Points For

• Experience with Redis, WebSockets, or building real-time systems
• Exposure to machine learning concepts or AI-driven product development