Senior Fullstack Developer - Remote Role for Nonprofit Platform

About the Role

We are seeking a Senior Fullstack Developer to join our dynamic team remotely. In this role, you will be instrumental in developing and scaling core product features that enhance the donation experience for millions of users. As a Senior Fullstack Developer, you will build resilient frontend and backend components, focusing on code quality, scalability, and user experience. This position directly contributes to our mission of enabling efficient and reliable donation processing through advanced technical solutions.

What You'll Do

• Design, build, and maintain frontend and backend features using React and Node.js.
• Develop core products such as donation checkouts, embeddable widgets, and portals for donors and partners.
• Architect system components that scale to millions of monthly transactions.
• Write clean, well-documented, and testable code.
• Lead architecture and technical design discussions to solve complex problems.
• Mentor team members through code reviews and feedback.
• Collaborate with product managers and designers to refine requirements and roadmap.
• Identify and resolve bugs, performance issues, and optimization opportunities.

Requirements

• 7+ years of professional fullstack development experience.
• Strong understanding of modern JavaScript concepts (event loop, closures, promises, prototypes).
• Expert-level skills with React and its ecosystem; knowledge of Vue is a plus.
• Backend expertise with Node.js; experience with Koa or NestJS preferred.
• Experience with Webpack configuration, performance tuning, and profiling.
• High attention to detail and strong ownership of work.

Nice to Have

• Experience with MongoDB, ClickHouse, or Elasticsearch.
• Familiarity with Docker, CI/CD pipelines, or cloud infrastructure.
• Contributions to open-source projects or a strong personal portfolio.
• Curiosity and hypothesis-driven approach.
• Ability to explain complex analytical concepts to non-technical audiences.
• Comfortable in fast-paced, data-rich environments.

What We Offer

• 31 days off.
• 100% paid telemedicine plan.
• Assistance with home office setup including furniture and equipment.
• English language courses.
• Relevant professional education opportunities.
• Access to gym or swimming pool.
• Co-working spaces.
• Remote working flexibility.

Join us as a Senior Fullstack Developer and make a significant impact on the nonprofit sector. This role offers a unique opportunity to work on a platform that handles tens of millions of dollars in donations monthly. If you are passionate about technology and want to contribute to meaningful causes, apply now!