
Fullstack Developer
Fundraise Upabout 3 hours ago
Remote, PolandSenior
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, performance bottlenecks, and optimization opportunities.
- Utilize AI tools in day-to-day work to enhance productivity and problem-solving.
Requirements
- 7+ years of professional fullstack development experience.
- Deep understanding of modern JavaScript (event loop, closures, promises, 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.
- A keen eye for detail and a high sense of ownership and accountability for your work.
Benefits
- 31 days off.
- 100% paid telemedicine plan.
- Home Office Setup Assistance for purchasing furniture and other items.
- English learning courses.
- Relevant professional education.
- Gym or swimming pool access.
- Co-working options.
- Remote working flexibility.