Greetings! I am an expert Full Stack developer having 10+ years of experience in web development(Python, PostgreSQL, Database Administration, MQTT, Raspberry Pi, C Programming, Linux). I stand amongst top 2% among 58+ million freelancers. I am confident that I can be the perfect candidate for this project.
Here are my questions from your shared details:
1-Do you wnat a web/desktop/mobile system?
2-Will you be providing the mockups?
3- Is there any scope document that you can share?
4- 5 variables--> What are these variables?
5- Do you want to host via a dedicated server or VPS?
6- If you are commercial seller of this inverter--> How many customers you currently have?
Happy to discuss all the technical aspects of this project in more detail. Looking forward to seeing you on chat for a brief discussion on this project.