Sperm's lifespan. It takes around 10 weeks for the sperm to reach maturity. Once the sperm is inside the woman's body it can live up to 5 days or even longer under favorable conditions. However, when it is outside the body, it can only survive from few minutes to several hours.
The UX developer role is a discipline under the overall user experience umbrella. This means that to become a UX developer you need to have at least a general understanding of the core UX principles, philosophies, and methodologies.
The average pay for a User Experience Designer is $72,115 per year. Experience has a moderate effect on salary for this job. A skill in Interaction Design, IT Applications is associated with high pay for this job. Most people move on to other jobs if they have more than 20 years' experience in this career.