Senior Fullstack Developer – Claude Code Expert

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

Requirements

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