Build / Improve excel portfolio tracker and add integration to data source

I am looking for an excel spreadsheet linked via API to Interactive Brokers TWS. The spreadsheet will support multiple owners, brokers, cash positions equities and options, The input/output part will support manual and automatic (API) entry of a. equities/cash b. buy/sell/ merge/ split/ dividends/ transactions c. set multiple holder account/broker manual and automatic (API) d. Currencies The spreadsheet needs a dashboard to display portfolio metrics and some statistical analysis. We have an existing excel which is based on MS stock data and if will be a base shall be restructured Skills: experience with stick trading applications, Excel, power pivot, Access, programming, Software Architecture After requirements formalization, the project will be done at fixed fees. time scope end of May