请问HN：我有计算机科学学位，但已经教书5年了——我该如何重新回到科技行业？
我28岁（男），拥有计算机科学学位。毕业几年后，我选择攻读教育学位，因为这有很好的免税激励。现在我意识到我想利用我的原始学位，重新回到科技行业。
在获得学位后，我并不想继续从事这个领域，因为我对它失去了热情，这可能是因为压力和大学生活的影响。那段时间变得非常紧张，但通过最近的经历以及与一些在计算机科学领域工作的密友交谈，我逐渐意识到自己仍然对这个领域有着巨大的兴趣，并且渴望不断学习或以某种方式参与其中。多年的教学经历也让我在向学生展示我对这个学科的热情时，提醒自己我有多么热爱它。
我已经开始重新学习Python，并参加在线课程来刷新自己的技能，但我希望在这些年后能让自己具备就业能力。我之前也有Java、PHP和C++的经验。我从未在专业的编码环境中工作过，因此我来这里寻求关于最佳选择的建议。
任何推荐或建议都将非常有帮助。我应该关注哪些技术栈？
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I’m 28 (m) and have a Computer Science degree under my belt. A few years after graduating, I pursued a teaching degree because it came with a great tax-free incentive. Now I’ve realised I want to use my original degree and get back into tech.<p>After my degree I didn't want to pursue it as I fell out of love with it, possibly due to stress and letting uni life get the better of me. It became stressful environment but through recent experiences and talking with close friends who are in the field of CS, overtime I've realised and processed that I still have a massive interest and constant want to learn more within it or somewhat be involved in it. The years of teaching it has definitely played a part in showing students my passion for the subject, reminding myself how much I love it too.<p>I've started picking up on python again and taking online courses to refresh myself but I want to make myself employable after these years. I have previous experience in java, php and C+ also. I've never worked in a professional coding environment either, hence why I am coming on here to seek advice on what would be best.<p>Any recommendations/advice would really help. What stacks I should be looking at?