Senior Fullstack Developer – Claude Code Expert

🕒 March 25

🇺🇸 United States – Remote

⏰ Full Time

🟠 Senior

🧑‍💻 Full-stack Engineer

👻 Ghost score 53%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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soonami.io GmbH

WebsiteLinkedInAll Job Openings

1 - 10 employees

Founded 2021

🌐 Web 3

🤖 Artificial Intelligence

💳 Fintech

Web 3 • Artificial Intelligence • Fintech

soonami. io GmbH is a decentralized platform that empowers entrepreneurs worldwide by providing digital tools, resources, mentorship, and decentralized funding opportunities, with a strong emphasis on Web3 and AI technologies. It hosts Venturethon events that connect co-founders and contributors globally, leveraging AI for personalized insights, market analysis, and strategic decision-making. Their unique token ecosystem incentivizes project development and community participation, fostering collaboration among builders and investors across various geographies.

📋 Description

• Support the project through launch and post-launch phases by: • Finalizing development of the launch feature set • Establishing team best practices • Transitioning development processes into an operations mode • Benchmarking IT infrastructure and defining the technical roadmap • Possibility of extended involvement beyond the launch

🎯 Requirements

• Extensive experience in AI-based software development — preferably with Claude Code • Backend skills: • TypeScript (advanced) • Firebase/GCP ecosystem • Node.js / Express • REST API design — deep understanding of HTTP, status codes, and error handling • OAuth2 / JWT authentication based on a Firebase solution • Experience implementing GitHub-based CI/CD pipelines for Firebase Functions across development, staging, and production environments • Integrations experience with Twilio and Stripe • Nice-to-have backend experience: • Firebase Admin SDK v12+ (noting breaking changes since v10) • Webhook-driven architectures (Stripe, Twilio webhooks) • CORS configuration and cross-origin security aligned with Google Cloud IAM permissions • Mailjet or similar email services • Frontend (supporting role): • SvelteKit v2 • Svelte 5 with runes ($state, $derived, $effect) • TypeScript • Tailwind CSS • Responsive design

🏖️ Benefits

• Work with an experienced team that has already built successful platforms • Be involved in all stages of company development • Ample scope for creativity and personal responsibility • Flexible working hours in a dynamic, appreciative environment • Access to an inspiring network of exciting personalities