A new project required Experienced developer for micro-service design and DevSecOps

We would like to revamp our existing application using micro-service and event driven design approach. We are looking for a small team on this project, following is the scope.

1. Provide guideline and document on micro-service design, which can support CI/CD release.
2. Indvidual Module can be upgraded individually without affecting others modules.
3. New module can be deploy individualy without affecting other modules.
4. Experienced on Event Driven apporach, which need documented in the guideline how it works
4. Design High-availability on application
5. Experienced on MongoDB or other NoSQL database
6. Provide guideline and document for DevSecOps design, include but not limited the following,
- Gitlab / Code Review / Unit Test / manage DB script / Build / Auto-Test (UI-Test wtih logic) / Auto-Deploy

Technical Stack
1. Node.js (Web-base system)
2. MySQL / MSSQL / MongoDB (either one or combine)
3. API Gateway (Please feel free suggest, open-source required)
4. Run on K8S

Demo Project
- Start with a small demo project to prove the micro-service and CI/CD design
- Source code required
- High-level Design Guideline document
- Small project expecting complete in 1 month
- Application need demo to support the following
- Support application high-availability
- Event Driven
- Applied DevSecOps Pipeline for CI/CD
- Unit Test / Auto-Test
- Zero downtime for deployment

* This is a long-term project and upon Demo project completed with our accpetance can be a monthly base charges with2-3 Developers.