Senior Flutter Developer

We bring startups and disruptive tech companies to the local market, offering engineers the opportunity to work on innovative, high-impact products. Join us and become a member of their R&D team while we take care of employment, HR support, a benefits package, and an enjoyable work environment.

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Finonex is a company building modern mobile trading and financial applications across multiple brands from a shared Flutter codebase. The team focuses on creating accessible, secure, and user-friendly trading experiences powered by cutting-edge technology, supported by 24/7 service.

We are looking for a strong, hands-on Senior Flutter Developer to join our Mobile R&D team and help build our mobile trading applications.

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This is a hands-on engineering role. You'll design and build high-quality features across Android and iOS, working within an established multi-flavor architecture and to a high engineering standard, as part of a team led by our Mobile Team Lead.

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The ideal candidate takes strong ownership of their work, writes clean and maintainable code, and thrives in a fast-moving, regulated financial environment.

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Please note that candidates for this position are expected to work in alignment with the Israeli team: Sunday-Thursday — work days, Friday-Saturday — days off.

Software Development
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• Design, develop, test, and maintain high-quality features for Android and iOS in Flutter.
• Write clean, well-structured, testable code that follows the team's architecture, patterns, and coding standards.
• Contribute to integrations such as real-time market data, charting, analytics, and third-party financial SDKs.
• Work within the existing multi-flavor / multi-brand build and release process.
• Troubleshoot and fix production issues, and help keep the apps performant and stable.
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Quality & Testing
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• Participate actively in code reviews - both giving and receiving constructive feedback.
• Write unit, widget, and integration tests to keep quality high.
• Contribute to app reliability and observability (crash-free rates, performance).
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Collaboration & Delivery
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• Collaborate closely with Product, Design, Backend, and QA to deliver business objectives.
• Deliver predictably within sprints, with honest estimation and clear communication of progress and risks.
• Communicate proactively and clearly in English with a distributed, cross-country team.

• 5+ years of professional software development experience.
• 4+ years of hands-on Flutter development on production applications (Flutter as a primary, day-to-day skill - not occasional or secondary).
• Strong command of Dart and modern state management (BLoC, Riverpod, and Provider).
• Solid working experience within multi-flavor / multi-environment Flutter apps.
• Working knowledge of native Android and iOS - build configuration and platform-channel / SDK integration.
• Experience with REST APIs and real-time communication (WebSocket or similar).
• Strong ownership, autonomy, and problem-solving skills.
• Excellent written and verbal English — a must (daily communication with the Israel-based team).
• Availability to work Sunday-Thursday, aligned with the Israeli team — a must.

• Experience in fintech, trading, forex/CFD, financial services, or another regulated industry.
• Experience with the Firebase suite (Crashlytics, Remote Config, Performance, Analytics).
• Experience with product analytics / attribution (e.g. Mixpanel, AppsFlyer).
• Experience with charting libraries (e.g. ChartIQ) and engagement SDKs (e.g. Braze).
• Familiarity with FVM, monorepo workflows, and GitLab CI.
• Experience with automated / integration testing and AI-assisted development tools.
• Experience working in distributed / international teams.

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For this position, candidates are expected to work in alignment with the Israeli team:
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• Sunday-Thursday: work days
• Friday-Saturday: days off

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