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Responsibilities

  • Help evolve our fast-prototyping culture to foster innovation and quick market validation.
  • Take ownership of the entire application stack and take us through the entire discovery & validation to the customer revenue cycle.
  • Build user-facing features using React, TypeScript, and Next.js.
  • Develop and integrate REST APIs using Java Springboot or Nodejs based technologies.
  • Maintain clean, modular, and well-tested code across the stack.
  • Contribute to architectural decisions, code reviews, and shared components.
  • Optimize for performance, accessibility, and responsiveness.

Requirements

  • 4+ years of experience building web applications in production environments.
  • Background in Fintech or global payment systems will be preferable.
  • Strong knowledge of JavaScript/TypeScript and React/Nextjs.
  • Strong focus on Reliability and scalability of applications.
  • Exposure to CI/CD and DevOps tools (Docker, feature flags, monitoring).
  • Strong fundamentals in structured programming languages (Java/GoLang/C).
  • Experience integrating with REST APIs and backend systems.
  • Solid understanding of frontend fundamentals (HTML/CSS, accessibility, testing).
  • Familiarity with backend concepts (Java/Spring Boot, SQL, containers).
  • Clear, effective communication and collaboration skills.
  • Growth mindset — you ask questions, give feedback, and enjoy learning.

Nice to have

  • Experience with large-scale design systems.
  • Cyber Security experience.
  • Experience tuning frontend performance (lazy loading, bundle size, etc.).

Job Summary

CompanyNium
LocationSan Francisco
TypeFull-Time
LevelStaff
DomainFull-stack