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Fullstack Developer

Fullstack Developer • Senior • Remote • Full-time Portugal Portugal

Senior Fullstack Developer role building and scaling features central to the donation experience using Node.js, React and TypeScript, from dynamic donation widgets to data-driven admin dashboards.

Responsibilities

  • Design, build, and maintain resilient frontend and backend features using React and Node.js
  • Develop core products including donation checkouts, embeddable widgets, and donor/partner portals
  • Architect and develop system components that scale across millions of monthly transactions
  • Write clean, well-documented, and thoroughly testable code
  • Drive architecture and technical design discussions to find elegant solutions to complex problems
  • Mentor peers by conducting thoughtful code reviews and providing constructive feedback
  • Partner with product managers and designers to clarify requirements and shape the roadmap
  • Proactively identify and resolve bugs and performance bottlenecks

Requirements

  • Strong experience developing with Node.js, React and TypeScript
  • Experience building high-throughput systems scaling to millions of monthly transactions
  • Familiarity with modern backend and frontend technologies: NestJS, MongoDB, Kafka, Redis, ClickHouse, Elasticsearch

Soft skills

Mentoring and code reviewCollaboration with product managers and designersCommitment to quality and scalability

About the company

Fundraise Up is a global fundraising platform built to make donating to nonprofits fast, seamless, and accessible; its technology powers tens of millions of dollars in donations monthly, trusted by nonprofits including UNICEF and the Alzheimer's Association.

Languages: Orosz: Felsőfok

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