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Fullstack Developer

1 month, 2 weeks ago
Serbia
Full-time
Senior
Full-stack Engineer
Software Development
Bull CI/CD ClickHouse Docker Elasticsearch JavaScript Kafka Koa MongoDB NestJS Node.js React Redis TypeScript Vue.js
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Fundraise Up

Fundraise Up

Fundraise Up specializes in enhancing online donation processes through AI-driven conversion optimization and integrated payment solutions, enabling organizations to maximize their fundraising potential and improve donor engagement.

Capital Markets
51-250
Founded 2017
View All Jobs 49

Description

  • 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.
  • Lead architecture and technical design discussions to solve complex problems.
  • Mentor peers through code reviews and constructive feedback.
  • Partner with product managers and designers to clarify requirements and shape the roadmap.
  • Identify and resolve bugs, performance bottlenecks, and optimization opportunities.
  • Use AI tools in day-to-day work and apply them to improve how problems are approached and solved.

Requirements

  • 7+ years of professional fullstack development experience.
  • Deep understanding of modern JavaScript, including the event loop, closures, promises, and prototypes.
  • Expert-level proficiency with React and its ecosystem; familiarity with Vue is a plus.
  • Strong backend expertise with Node.js; experience with Koa or NestJS is highly preferred.
  • Experience with Webpack configuration, performance optimization, and profiling.
  • High sense of ownership and accountability for your work.
  • Experience with MongoDB, ClickHouse, or Elasticsearch is a plus.
  • Familiarity with Docker, CI/CD pipelines, or cloud infrastructure is a plus.
  • Contributions to open-source projects or a strong personal portfolio are a plus.
  • Comfort working in a Russian-speaking team and preferably within CET hours.

Benefits

  • Private medical insurance for the employee and their family.
  • 20 paid vacation days per year.
  • 15 paid public holidays per year.
  • 5 company-paid sick leave days.
  • Equity options with a long-term focus.
  • English learning courses.
  • Relevant professional education.
  • Gym or swimming pool access.
  • Home office setup assistance, including furniture and equipment.
  • Co-working support and remote working options.
  • Compensation of 527,000 to 691,500 Serbian dinars gross per month.

Interested in this position?

Apply directly on the company website

Apply Now

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