soonami.io GmbH
Fast growing global community of Web3 and AI builders.
Senior Fullstack Developer – Claude Code Expert
Full-stack EngineerSoftware EngineerFull TimeRemoteTeam 1-10Since 2021H1B No SponsorCompany SiteLinkedIn
Location
United States
Posted
27 days ago
Salary
Not specified
GermanCloudFirebaseGoogle Cloud PlatformJava ScriptNode.jsSvelteType Script
Job Description
• Support during the launch and post-launch phases by:
• Finalizing development of the feature set for launch
• Establishing best practices within the team
• Transitioning processes from a development to an operations mode
• Benchmarking IT infrastructure and defining the technical roadmap
Job Requirements
- Extensive experience in AI-based software development — Claude Code experience preferred
- Backend
- TypeScript (advanced level)
- Firebase / Google Cloud Platform ecosystem
- Node.js / Express
- REST API design — deep understanding of HTTP, status codes, and error handling
- OAuth2 / JWT authentication based on the Firebase solution
- Proven ability to implement GitHub-based CI/CD pipelines for Firebase Functions across development, staging, and production environments
- Experience with Twilio integration and Stripe integration
- Nice to have — Backend:
- Experience with Firebase Admin SDK v12+ (including breaking changes from v10)
- Familiarity with webhook-driven architectures (Stripe, Twilio webhooks)
- CORS configuration and cross-origin security aligned with Google Cloud IAM permissions
- Experience with Mailjet or similar email services
- Your skillset — Frontend (supporting role):
- SvelteKit v2
- Svelte 5 (runes such as $state, $derived, $effect)
- TypeScript
- Tailwind CSS
- Responsive design
Benefits
- Work in an experienced team that has already built successful platforms
- Involvement in all stages of company development
- Significant scope for creativity and personal responsibility
- Flexible working hours and a dynamic, appreciative work environment
- Access to an inspiring network of interesting professionals
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