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soonami.io GmbH

Fast growing global community of Web3 and AI builders.

Senior Fullstack Developer – Claude Code Expert

Full-stack EngineerSoftware EngineerFull TimeRemoteSeniorTeam 1-10Since 2021H1B No SponsorCompany SiteLinkedIn

Location

United States

Posted

4 days ago

Salary

Not specified

Seniority

Senior

EnglishCloudFirebaseGoogle Cloud PlatformJavaScriptNode.jsSvelteTypeScript

Job Description

• Support through launch and post launch phase, by: • Finalizing the development of feature set for launch • Establishing best practices in team • Converting the processes from development into operations modus • Benchmarking IT infrastructure and technical roadmap • Potential of extended involvement in the future

Job Requirements

  • You are highly experienced in AI based software development – preferably Claude Code.
  • Backend
  • TypeScript (advanced level)
  • Firebase/GCP Ecosystem
  • Node.js/Express
  • REST API Design - Deep understanding of HTTP, status codes, error handling
  • OAuth2 JWT Authentication based on Firebase solution
  • Skilled in implementing GitHub-based CI/CD pipelines for Firebase Functions across development, staging, and production environments.
  • Experience with o Twilio Integration o Stripe integration
  • Nice to have – Backend
  • Experience with Firebase Admin SDK v12+ (breaking changes from v10)
  • Knowledge of webhook-driven architectures (Stripe, Twilio webhooks)
  • CORS configuration and cross-origin security in alignment with Google Cloud IAM permissions
  • Mailjet or similar email services
  • Your skillset – Frontend (Supporting role)
  • SvelteKit v2
  • Svelte 5 with runes ($state, $derived, $effect)
  • TypeScript
  • Tailwind CSS
  • Responsive design

Benefits

  • Collaboration in an experienced team that has already built successful platforms
  • Involvement in all processes of company development
  • Plenty of scope for creativity and personal responsibility
  • Flexible working hours and a dynamic, appreciative environment
  • Access to an inspiring network of exciting personalities

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