HighlightsLocation:Remote (CET hours preferred)Compensation:€4,700 - €6,100 + stock optionsLanguage:Russian-speaking teamAbout Fundraise Up. We’re Fundraise Up - a global fundraising platform built to make donating to nonprofits fast, seamless, and accessible to all.Our platform is trusted by many of the world’s leading nonprofits, including UNICEF, the Alzheimer’s Association, and a wide range of integral NGOs.We operate in the enterprise segment, serving nonprofit organizations across North America, the United Kingdom, Australia, and Europe.We’re building a large and complex product ecosystem that serves nonprofits, donors, and partners around the world.Our backend is powered by Node.Js (Koa, NestJS) and MongoDB. The frontend stack includes Webpack, Vue.Js, and React, with nearly all code written in TypeScript.About The RoleAs a Backend Developer, you will be a key architect of the engine that powers our global platform. You'll resolve complex challenges in a high-load, distributed system, building and scaling the infrastructure that processes millions in donations.Responsibilities:Design, build, and maintain clean, efficient, and scalable backend services in Node.Js and TypeScript.Develop new product features from concept to deployment, collaborating closely with product managers and frontend engineers.Own key parts of our backend architecture, making critical decisions that enhance performance, reliability, and security.Write comprehensive unit tests and conduct thorough code reviews to maintain code quality.Proactively identify and implement system improvements,



refactoring legacy code where necessary.Contribute to a culture of engineering excellence by mentoring others and sharing your expertise.RequirementsExperience: 5+ years of backend development experience, preferably in a product-driven environment.Node.Js Expertise: Strong, hands-on experience with Node.Js and modern frameworks like Koa or NestJS.TypeScript Pro: Deep expertise in TypeScript, including its advanced typing and module systems.Database Skills: Solid experience with MongoDB or other NoSQL databases.Distributed Systems: Familiarity with event-driven architecture using tools like Kafka, RabbitMQ, or Bull/Redis.Data & Search: Hands-on experience with ClickHouse (or similar analytics DBs) and Elasticsearch.Architectural Mindset: A strong understanding of system design, clean architecture principles, and performance optimization.Ownership: The ability to work independently, take ownership of your work, and see projects through to completion.Communication: Comfortable working within a Russian-speaking team.Nice to HavePrior experience working in a remote-first, globally distributed team.Experience with performance monitoring and observability tools (e.G., Prometheus, Grafana, Datadog).A genuine interest in the non-profit technology sector.A hypothesis-driven mindset and the ability to communicate complex technical concepts to non-technical stakeholders.Benefits31 days off100% paid telemedicine planHome Office Setup AssistanceEnglish learning coursesRelevant professional educationGym or swimming poolCo-workingRemote working#J-18808-Ljbffr

📌 Backend Developer (Node.Js) - €4.700 - €6.100 A Month - Remote (Madrid)
🏢 Fundraise Up
📍 Madrid