Fullstack Developer

📋 Description

• • Join Fundraise Up, a leading global fundraising platform dedicated to making charitable donations fast, seamless, and accessible to everyone. Our innovative technology empowers millions of dollars in donations each month, supporting vital nonprofits worldwide. We are committed to continuous innovation, focusing on enhancing user experience through faster load times, higher conversion rates, global payment capabilities, and an accessibility-first design approach.
• • As a Senior Fullstack Developer, you will play a pivotal role in shaping our core product, architecting and implementing features that are fundamental to the donation experience for a vast and growing user base. This position offers a unique opportunity to leverage your deep expertise in Node.js, React, and TypeScript to build sophisticated components, ranging from dynamic, embeddable donation widgets to intricate, data-rich administrative dashboards.
• • Your primary focus will be on developing and scaling features that directly impact our mission, ensuring exceptional code quality, robust scalability, and an outstanding user experience. This role is ideal for a passionate developer who thrives on solving complex, real-world problems at scale and is eager to grow within a mission-driven, high-impact engineering culture.
• • You will be instrumental in designing, building, and maintaining resilient frontend and backend features, utilizing modern technologies like React for the frontend and Node.js for the backend. This includes developing critical aspects of our platform such as the core donation checkout flows, customizable embeddable widgets that integrate seamlessly into partner websites, and comprehensive donor and partner portals that facilitate engagement and management.
• • A significant part of your responsibility will involve architecting and developing system components capable of handling millions of monthly transactions reliably and efficiently. This requires a forward-thinking approach to design and implementation, ensuring that our platform can grow and adapt to increasing demands.
• • You will be expected to write clean, well-documented, and thoroughly testable code, adhering to best practices and contributing to the overall maintainability and stability of our codebase. Rigorous testing and documentation are paramount to our development process.
• • This role encourages proactive engagement in architecture and technical design discussions. You will collaborate with fellow engineers to explore and implement elegant solutions to complex technical challenges, contributing to the strategic direction of our product's technical foundation.
• • Mentorship is a key aspect of our engineering culture. You will have the opportunity to mentor your peers through conducting thoughtful code reviews, offering constructive feedback, and sharing your knowledge and experience. This fosters a collaborative environment where everyone can learn and grow.
• • You will work closely with product managers and designers, acting as a technical advisor to clarify requirements, provide feasibility assessments, and help shape the product roadmap. This cross-functional collaboration ensures that we build the right product, effectively.
• • A proactive approach to identifying and resolving bugs, performance bottlenecks, and optimization opportunities is essential. You will be empowered to take ownership of the health and performance of the features you develop, continuously striving for improvement.
• • The platform itself is a complex ecosystem, serving enterprise clients across North America, the UK, Australia, and Europe. It includes a modern checkout experience, standalone SPA widgets, portals for donors, organizations, and partners, administrative tools, and internal applications. The backend is powered by Node.js (Koa, NestJS) and MongoDB, while the frontend utilizes Webpack, Vue.js, and React, predominantly in TypeScript. For high-throughput messaging, we employ Kafka and Bull (Redis), with ClickHouse for analytics and Elasticsearch for search.
• • You will be joining a distributed team of over 160 product professionals, including more than 80 engineers, primarily located across Europe. Many of our developers possess 5-10+ years of experience, contributing to a rich environment of technical curiosity and knowledge sharing. We operate with a flat structure, valuing thoughtful collaboration, strong engineering practices, and a product-first mindset. Bi-weekly engineering forums provide a platform for sharing learnings and celebrating technical achievements, ensuring that quality, mentorship, and mutual respect are at the forefront of our work.