Senior Backend Engineer

🕒 August 18

🇪🇸 Spain – Remote

💵 €5.6k - €6.5k / month

⏰ Full Time

🟠 Senior

🔙 Backend Engineer

👻 Ghost score 20%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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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 the 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 opportunities for AI to improve processes

🎯 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 existing use of AI in day-to-day work • Prior remote-first/global distributed-team experience, performance monitoring and observability tools, nonprofit technology interest, and hypothesis-driven communication are nice to have

🏖️ Benefits

• Equity options • Private medical insurance for the employee and their family • 23 paid vacation days per year • 11 paid public holidays per year • 5 company-paid sick leave days • English learning courses • Relevant professional education • Gym or swimming pool • Home Office Setup Assistance for furniture and other workspace items • Co-working • Remote working