[2] Having made his Malaysia debut against Hong Kong in October 2017, he has gone on to make more than 20 appearances for his country.

His spell at Harimau Muda C didn't last long and in December 2015 he rejoined Penang, making 25 league appearances in 2 years.

An article by FOX Sports Asia concluded that he would return to Johor in June 2018, only having been on loan for six months.

[14] On 27 May 2022, Syamer scored his first international goal against Brunei in a friendly match held at the Bukit Jalil National Stadium.

Syamer is also part of the Malaysian team that qualified for the 2023 AFC Asian Cup and played all 3 matches against Turkmenistan, Bahrain and Bangladesh in Third Round Group E Qualification.