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Senior Full-stack Developer

CernelDalgas Avenue 2f, 8000 Aarhus C, Jutland, Denmark - Hybrid3d ago

In Office Senior EMEA Senior Full Stack Developer React Next.js Python Full Stack Cross-functional Collaboration

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Requirements

5+ years of professional full-stack development experience
Ability to work onsite in Aarhus (remote not accepted)
Deep expertise in development across both frontend and backend
Strong React/Next.js skills with proven ability to build complex UIs
Solid backend API experience (Golang/Python)
Track record of building component libraries and scalable services
Experience shipping full-stack features that handle large datasets efficiently
Comfort working across the entire application stack

Responsibilities

Full-stack platform development
Build end-to-end features that bring AI capabilities to end-users
Develop performant, filterable data tables handling 100k+ product records with real-time updates
Create intuitive interfaces for complex data management and AI operations
Integrate backend services seamlessly into frontend experiences
Platform infrastructure
Develop core platform services (APIs, OAuth, billing services)
Build and maintain component libraries that scale across the application
Design and implement scalable backend services
Ensure data flows efficiently between frontend, backend, and AI systems
Code quality and technical excellence
Write end-to-end tests and champion testable design patterns
Improve code quality through well-architected, maintainable solutions
Define best practices for full-stack development
Balance technical debt with feature velocity
Cross-functional collaboration
Work closely with product team on user experience decisions
Collaborate with backend and AI teams on integration requirements
Support product team in scoping and estimating technical work
Help define and evolve our technology stack
Technologies you'll work with
You'll work with modern, production-grade technologies while helping shape our future stack:
Frontend:
TypeScript and React for application development
TypeScript
React
Modern state management and data fetching patterns
Component libraries and design systems
Backend:
Golang and Python for API development
Golang and Python
SQL and NoSQL databases for data management
SQL and NoSQL
Event-driven architecture for real-time updates
Google Cloud Platform for infrastructure
Full-stack:
API design and integration patterns
Performance optimization for large datasets
Real-time data synchronization