LlamaIndex Full-Stack Development

I'm looking for a skilled full-stack developer to work on LlamaIndex. This is an urgent project, and I need it completed as soon as possible.

Ideal skills and experience:
- Proficiency in both frontend and backend technologies
- Experience with databases and server management
- Strong problem-solving skills
- Ability to work under tight deadlines
- DOCUMENTATION INTELLIGENCE
- INVOICE TWO WAY MATCHING EXPERT

Please provide examples of previous work and a timeline for completion.