Senior Fullstack Mobile 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

• Implement features, fix bugs, and resolve production incidents across iOS and Android, extending to the backend and web frontend the product depends on — delivering tested, production-ready output that meets the team's quality bar. • Own mobile initiatives end-to-end — gather requirements, design the approach, decompose into tasks, implement, and deliver to production across iOS and Android, including the backend and web frontend changes they require. • Act as the team's primary technical escalation point for complex mobile problems — diagnose root causes across the app, native layers, networking, and platform behavior, and prevent recurrence. • Review code and designs for correctness — component and navigation structure, rendering, native integration, and alignment with mobile patterns — catching issues before release. • Contribute to and evolve mobile engineering standards within the team — component architecture, native integration, testing, and release policy. • Monitor the operational health of shipped work — track releases and staged rollouts, watch release health, and respond to post-release issues on both platforms.

🎯 Requirements

• 8+ years of professional software development experience, including 3+ years with React Native. • Proficiency in React Native and TypeScript — the primary craft. • Strong JavaScript fundamentals — asynchronous programming, event loop behavior, error handling. • Working knowledge of relational and document databases — data modeling, querying, indexing. • Understanding of RESTful API design and HTTP fundamentals — able to work across Node.js backend services, API contracts, database queries, and web frontend code. • Familiarity with the native iOS and Android platforms and their tooling (Xcode, Android Studio, Gradle). • Understanding of mobile OS fundamentals — app lifecycle, background execution, permissions, and memory constraints. • Experience with automated testing practices (unit, integration, E2E). • Understanding of mobile security — secure storage and handling of sensitive and payment data. • Confident day-to-day use of AI-assisted development tools — for research, troubleshooting, and implementation. • Ability to independently diagnose common React Native production issues — rendering, navigation, networking, and app lifecycle. • Track record of owning mobile initiatives end-to-end — from requirements through store release, including the backend and web frontend changes they require. • Experience designing mobile application architecture — trade-offs in performance, reliability, and observability across iOS and Android. • Experience designing or integrating native modules and SDKs where React Native abstractions are insufficient — including focused Swift/Kotlin changes and debugging across the JavaScript and native layers. • Experience owning the release process — app signing, store submission, and staged rollouts. • Experience establishing mobile engineering practice from little — standards, CI/CD, and release — across inherited and greenfield codebases. • Experience designing resilient asynchronous and event-driven backend interactions (messaging, queues). • Experience with mobile production operations — monitoring, crash reporting, incident response, and rollback policy. • Demonstrated ability to mentor and develop less experienced engineers. • English proficiency sufficient for daily written and verbal communication.

🏖️ Benefits

• Private medical insurance for the employee and their family • 22 paid vacation days per year • Up to 14 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: the company offers assistance with purchasing furniture (office chair, office desk, monitor) and other items to create a comfortable workspace • Co-working • Remote working • €50 monthly allowance to cover internet and mobile phone expenses