"The demand for IoT talent rocketed by 304 per cent, between 2014 and 2017," according to Talent Supply Index (TSI) by predictive outbound hiring platform provider Belong.
TSI is based on Belong's platform data and publicly-available data from a continuously growing array of hiring sources, including traditional job sites, inbound recruiting channels, online communities, tech networks, discussion forums and more.
The June 2017, TSI factored more than 1.6 lakh jobs and over 260,000 candidates based in India.
The index revealed that demand vastly outstrips supply for core AI, IoT and Cloud talent.
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Data scientists, devOps engineers, security engineers rank 0.8, 0.7, and 0.4 on the TSI, respectively, and it proves that hiring will continue to be a struggle for tech companies in emerging technologies, it added.
Grooming from the ranks will be an obvious strategy, it added.
The data also showed that mobility for mobile developers, python developers and data scientists are extremely high.
"Candidates in these markets move companies faster than any other talent. Compared to software architects, whose average tenure per company is 5.3 years, data scientists, on an average spend less than 1.8 years in an organisation," it said.
Even as the city accounted for 40 per cent of India's data scientists, it still scored a supply-negative for data science, it said.