Mt5 robot programmer needed(easy project)

//+------------------------------------------------------------------+
//|                 Simple Auto Buy EA for MT5                       |
//+------------------------------------------------------------------+
#property strict

double tpPercent = 0.50;   // Take Profit %
double slPercent = 0.10;   // Stop Loss %

void OnTick()
{
   // Open only 1 trade
   if (PositionsTotal() == 0)
   {
      double lot = 0.01;
      double price = SymbolInfoDouble(_Symbol, SYMBOL_ASK);

      // Calculate TP & SL
      double tp = price + (price * tpPercent / 100);
      double sl = price - (price * slPercent / 100);

      MqlTradeRequest req;
      MqlTradeResult  res;

      ZeroMemory(req);

      req.action    = TRADE_ACTION_DEAL;
      req.symbol    = _Symbol;
      req.volume    = lot;
      req.type      = ORDER_TYPE_BUY;
      req.price     = price;
      req.sl        = sl;
      req.tp        = tp;
      req.deviation = 10;

      OrderSend(req, res);
   }
}