Hayer served as the general manager of the Canadian Accounting Aggregates Public Accountants from 1983 to 1988, following which he joined the Indo-Canadian Times. Before his election to public office, Hayer was a Surrey businessperson, assistant publisher of the Indo-Canadian Times,
Kwantlen University College Governor, and real estate agent, and worked in the restaurant, newspaper, construction, transportation, and forestry industries. In addition, Hayer has worked as a labourer in a steel factory and during his teenage years worked on farms, in greenhouses, and in a grocery store, and also delivered both the Sun and Province newspapers. Hayer's memberships have included the Rotary Club of Surrey, the Cloverdale Royal Canadian Legion, the Surrey Board of Trade, the Cloverdale District Chamber of Commerce, the Greater Langley Chamber of Commerce, the Langley Salvation Army Gateway of Hope, the Cloverdale Community Association, and the Cloverdale Rodeo & Exhibition Association. He is also a member of Simon Fraser University's India Advisory Council, which supports SFU's strategic initiatives in India and engagement with BC's Indo-Canadian diaspora. In July 2019, Hayer and his wife, Isabelle Martinez Hayer, were elected as co-presidents of the Rotary Club of Surrey. Both took the oath from Brad Whittaker, Governor of the Rotary International District 5050. In October 2018, Hayer was elected vice president of the Association of Former MLAs of BC (formerly Association of Ex-MLAs of B.C.) a non-partisan association of former MLAs founded in 1987. Previous community and business involvements include the Rotary Club of Surrey president (1999–2000); Surrey Community Crime Prevention Society president (1995–96); Surrey Chamber of Commerce president (1996–97); Surrey Board of Trade Governor since 1997; BC Chamber of Commerce District director (1999–2001) for Langley to Vancouver region; Vancouver Board of Trade Small Business Council member (1995–2000); Indo-Canadian Business Association vice-president (1993–2000); Ethnic Press Association of BC director & vice-president (1991–99); City of Surrey Economic Development Strategy Advisory Committee member (1995–2000); South Fraser Child Development Centre Christmas Party chair (1988–2001); and Surrey & White Rock Home Support Association director (1994–95). As well, Hayer created the Surrey Police Officer of the Year awards and initiated the building of the Surrey Chamber of Commerce (now Surrey Board of Trade) building. Hayer currently works with the Dominion Lending Centres. He previously worked with the
Canadian Imperial Bank of Commerce (CIBC) as a mortgage advisor. == Politics ==