Senior Backend Engineer

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Fundraise Up

WebsiteLinkedInAll Job Openings

51 - 200 employees

🤲 Charity

💳 Fintech

☁️ SaaS

Charity • Fintech • SaaS

Fundraise Up is a digital platform that revolutionizes the way nonprofits conduct online fundraising. It offers a suite of tools designed to enhance donor engagement and boost conversion rates, including optimized campaign pages, a checkout system, and pre-built UI components. Fundraise Up supports global fundraising with multi-language capabilities and provides comprehensive security features to protect both donor data and the fundraising process. It integrates seamlessly with various platforms and uses artificial intelligence to personalize the donation experience. Its mission is to maximize donations for causes worldwide through innovative technology and strategic partnerships with nonprofits.

📋 Description

• Design, build, and maintain clean, efficient, and scalable backend services in Node.js and TypeScript • Develop new product features from concept to deployment with product managers and frontend engineers • Own key parts of backend architecture and make decisions improving performance, reliability, and security • Write comprehensive unit tests and conduct code reviews • Identify and implement system improvements and refactor legacy code • Mentor others and share engineering expertise • Actively use AI in day-to-day work and identify how AI can improve engineering processes • Resolve complex challenges in a high-load, distributed system • Build and scale infrastructure processing millions in donations • Work across checkout, donor portals, and analytics pipelines

🎯 Requirements

• 7+ years of backend development experience, preferably in a product-driven environment • Strong hands-on experience with Node.js and modern frameworks such as Koa or NestJS • Deep expertise in TypeScript, including advanced typing and module systems • Solid experience with MongoDB or other NoSQL databases • Familiarity with event-driven architecture using Kafka, RabbitMQ, or Bull/Redis • Hands-on experience with ClickHouse or similar analytics databases and Elasticsearch • Strong understanding of system design, clean architecture principles, and performance optimization • Ability to work independently, take ownership, and complete projects • Comfortable working within a Russian-speaking team • Meaningful day-to-day use of AI and understanding of its value • Nice to have: remote-first/global distributed team experience • Nice to have: performance monitoring and observability tools such as Prometheus, Grafana, or Datadog • Nice to have: interest in nonprofit technology

🏖️ Benefits

• 31 days off • 100% paid telemedicine plan • Home Office Setup Assistance, including assistance purchasing an office chair, office desk, monitor, and other workspace items • English learning courses • Relevant professional education • Gym or swimming pool • Co-working • Remote working • Equity options • Collaborative product team • Clear product vision and access to real customer feedback • Flat structure • Transparent company culture • Long-term focus