I will code tradingview strategy backtesting pinescript program

DECODE Private scripts create (from scratch) programs for price action related topics provide ready-made researched strategies optimize/ suggest best settings to use conversion from/ into python, thinkscript, ninjatrader, metatrader

if any errors found, no matter when you ordered from me, you can get back to me as long as I still provide freelancing services in this area.

Yes I do program the strategy from total scratch as per the requirments/logics/strategy of the client.

in a .txt file

No, definintely not, You will just have to copy the code from the .txt file and paste it into your tradingview pinescript tab. Don't worry, I will walk you through it.

I beleive that we as sellers are already abide by the TnC of the FIVERR which contains all the required rules and regulation regarding the order. So I won't sign an additional NDA agreement.

I do create almost all types of strategies which include the indicators in them except for the 'price action trading strategies' which include detecting swing high and swing low, support and resistance breakout, trend lines,etc.