Stack Architect for Large-Scale App

I'm looking for an experienced software architect who can create a robust technology stack for a comprehensive software solution. This stack must efficiently handle a substantial backend database while providing a seamless user experience across web and mobile platforms, with a critical emphasis on real-time data processing and business intelligence capabilities.

**Needs and Goals:**
- Architecture for database >500GB
- Real-time data processing capability
- Scalable to moderate-high user traffic
- Integration of BI and data management tools

**Skills Required:**
- Expertise in software architecture design
- Strong knowledge of database management
- Experience with real-time processing systems
- Familiarity with BI tools and data analytics
- Ability to advise on scalable technology stacks
- Proficiency in web and mobile development platforms

**Ideal Candidate:**
- Innovative problem-solver
- Good communication skills
- Proven track record with large-scale systems
- Enthusiasm for emerging tech trends

I am open to any and all suggestions that will deliver a high-performing, scalable, and maintainable technology stack. Demonstrable experience with similar projects is highly desirable.