Report: Data Science skills with 295% demand growth

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  • The popularity of Data Science related recruitment tasks in 2021 grew by 295% on a yearly basis, according to the newest DevSkiller Top IT Skills Report: Tech talent hiring insights. This puts Data Science on top of the in-demand IT skills of the future.
  • The current tech stack, however, was still dominated by Java and SQL. The two were each seen in 19% of test invites last year, tying for first place. Rounding out the top five were JavaScript (18%), Python (9%), and PHP (6%).
  • Belgian software engineers scored the highest on DevSkiller TalentScore coding tests in 2021, dethroning Australian software engineers who topped the ranking in 2020. Polish developers were the only ones who kept their place in the top 5.

DevSkiller, a Warsaw-based HR tech scale-up, has published the 2022 edition of its Top IT Skills Report: Tech talent hiring insights. It lays out the emerging trends of tech talent-hiring of the past year, as well as predictions for the next 12 months.

The top spot was taken by Data Science with a 295% growth in popularity year over year. Python (154%), PHP (90%), Cybersecurity (69%), and QA (56%) rounded out the top five, each with their respective year-over-year growth.

The rise in popularity of Data Science comes as little surprise given how valuable data has become to companies across the globe. This trend also fuels the dynamic growth of Python. At DevSkiller, we’re ready to respond to those market needs. The number of tasks in our testing catalog related to Data Science and Python grew in 2021 by 158.33% and 113.33% respectively.

Jakub Kubryński, DevSkiller CEO
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In terms of overall numbers, the top most in-demand IT skills in 2021 were Java and SQL on an equal level. The two were each seen in 19% of test invites. JavaScript, which tied for first position with Java in 2020, slipped to the third position with 18% of test invites. Rounding out the top five were Python (9%) and PHP (6%), knocking out .NET/C# and CSS/HTML respectively.

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The 2022 edition of the DevSkiller Top IT Skills Report brought a significant change when it comes to the ranking of top-scoring software engineers by country. The first spot was taken by Belgian developers, followed by developers from Chile and Italy. Last year’s winners from Australia dropped to the 18th position. The only country that kept its place in the top 5 was Poland, which occupied 5th place for the second time in a row.

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The DevSkiller report contains a variety of tech recruitment tidbits:

  • 40% of coding test invitations sent in 2021 were for junior developer roles, 23.4% were for middle developers, and 36.6% for senior developers,
  • Coding tests sent on a Wednesday got the fastest responses for the 3rd consecutive year,
  • The average wait time between a candidate receiving a coding test invitation and taking the test was 2 days and 16 hours (a 3-hour increase in comparison to 2020).

The DevSkiller Top IT Skills Report lays out the emerging trends of tech talent-hiring of the past year, as well as predictions for the next 12 months. The findings are based on 102,869 coding tests sent through the DevSkiller platform to candidates from 191 countries between 1 December 2020 and 1 December 2021.

A complimentary copy of the DevSkiller Top IT Skills Report is available here.

DevSkiller is a Warsaw-based HR tech scale-up specialized in tech talent assessment and management solutions. Its proprietary employee lifecycle management platform is used by 700+ companies from 90+ countries, spanning across 6 continents. The platform consists of two main components: TalentScoreand TalentBoost. The former streamlines the tech skills screening process, making it more efficient and candidate-friendly. The latter tackles key challenges in talent management, helping to identify skills gaps on a company level and gamify individual career paths.

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