Context: There is a growing demand for information on how IT companies look for candidates to their open positions. Objective: This paper investigates which hard and soft skills are more required in IT companies by analyzing the description of 20,000 job opportunities. Method: We applied open card sorting to perform a high-level analysis on which types of hard skills are more requested. Further, we manually analyzed the most mentioned soft skills. Results: Programming languages are the most demanded hard skills. Communication, collaboration, and problem-solving are the most demanded soft skills. Conclusion: We recommend developers to organize their resumé according to the positions they are applying. We also highlight the importance of soft skills, as they appear in many job opportunities.

背景信息：关于信息技术公司如何寻找空缺候选人的信息需求日益增长。目的：本文通过分析20,000个工作机会的描述，调查了IT公司更需要哪些硬技能和软技能。方法：我们采用开放式卡片排序对需要更多类型的硬技能进行高级分析。此外，我们手动分析了最常提及的软件技能。结果：编程语言是最需要的硬技能。沟通，协作和解决问题是最需要的软技能。结论：我们建议开发人员根据其应聘职位来组织简历。我们还强调了软技能的重要性，因为软技能出现在许多工作机会中。