In the same year he joined the Jüdische Arbeiter- und Angestelltenjugend (JAAJ), Revolutionäre Gewerkschafts Opposition and the International Red Aid.

In 1930, Max Zimmering received a Lyric Poetry Prize from the Union of Proletarian Revolutionary Writers' periodical's Die Linkskurve's competition for his poem Das Fließband (The Production Line).

Because this poem and his work at the leftist periodicals like Oberprimaner, the relegation, which Zimmering contrary to others like his younger simultaneous moderate Jewish youth companion and friend Helmut Weiß at the König-Georg-Gymnasium threatened him shortly before the finals because there was not enough proof presented that he was in reality the author particularly under "M.Z."

He found work at the company Wohlwert (Woolworth's) in Dresden in 1932 but would be dismissed again only after half a year since he had mobilized the Zentralverband der Angestellten (Central union of Employees) in favor of the saleswomen.

They lead him from Camp Huyton near Liverpool over to New South Wales and Victoria in Australia and play to England on the Isle of Man.

Besides working on the anti-fascist emigration periodicals Internationale Literatur and "Das Wort" (both in Moscow), Deutsche Volkszeitung and the "Rote Fahne" (both in Prague), "Freies Deutschland" (Mexico) and "Freie Tribüne" (London).

Continuing, he participated in the work of the KPD emigration group, belonged to the London Center of PEN and the Deutschen internationalen P.E.N.

Here he became a member of the Socialist Unity Party of Germany (SED), Free German Trade Union Federation and the Cultural Association of the DDR.