Senior Fullstack Developer - Claude Code Expert

Potsdam

LuniNora will operate an innovative online marketplace that monetizes life coaching and counseling in a new way. We are about to launch and are currently working on our technological solutions that make counseling accessible anytime, anywhere. We are creating a world in which everyone can find the right counseling easily, quickly, and fairly.

If you love clean code, enjoy developing creative solutions and want to work on meaningful projects, then you've come to the right place.

Tasks

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.

Your skillset - Backend

TypeScript (advanced level)
Firebase/GCP Ecosystem
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
Twilio Integration
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

Become part of LuniNora! We look forward to receiving your application!