Hemed is observant, and in September 2018, he was a substitute for Queens Park Rangers in an evening game against Millwall, so that he could abstain from eating or exercising until the end of the 24-hour period of the Jewish high holy day of Yom Kippur.

He made his debut in the campaign on 3 March 2007, coming on as a substitute in a 1–2 home loss against Bnei Yehuda Tel Aviv.

[citation needed] Hemed returned to Maccabi Haifa in the 2010 summer, and appeared in 45 matches during the 2010–11 campaign, also scoring 18 goals as the club was crowned champions.

[citation needed] On 21 June 2011, Hemed signed a three-year deal with Spanish La Liga club RCD Mallorca.

[12][13] He made his debut in the main Spanish football league on 28 August, starting and being booked in a 1–0 home success against RCD Espanyol.

On 24 June 2015 Hemed signed a three-year deal with English Championship club Brighton & Hove Albion for an undisclosed fee.

[25] Three days later, the FA announced that Hemed had been given a three-match ban for a stamp on the calf of Newcastle defender DeAndre Yedlin, an incident which went unnoticed by referee Andre Marriner.

[31] Hemed was released by the South London side at the end of his contract following the clubs relegation after making 19 appearances in all competitions without finding the net.

[32][33] On 30 November 2020, Hemed signed a one-year contract as a marquee player for A-League club Wellington Phoenix.

[35] On 17 May 2021, Hemed drew media attention after he draped himself in an Israeli flag and donned a Jewish kippah during a 2–2 draw with Melbourne City FC.

In January 2011, he was called up to the senior Israel national team for a behind closed doors friendly against FC Dynamo Kyiv.