For UK Tier 2 work visa allows you to come to or stay in the UK to do an eligible job with an approved employer.
To be eligible for this visa you must :
Have a certificate of sponsorship from your employer with information about the role you have been offered in the UK.
Work for a UK employer that is been approved by the Home Office.
Visa extendable upto 5 years.
With the skilled worker visa you can Work for any eligible job, bring your partner and children to UK as your dependents, You are eligible to apply for PR if you have lived in the UK for 5 years and meet the other eligibility requirements.