IT & Tech
How to become a Data Scientist
Data scientists use statistics, programming and machine learning to extract insights from data and build predictive models.
Qualifications
- A degree in a quantitative subject (maths, statistics, computer science, physics, economics); many roles prefer a master’s or PhD
- Python or R, SQL, and machine-learning libraries
Licences & registration
| United Kingdom | Not a licensed profession; certifications are optional but valued. |
|---|---|
| United States | Not a licensed profession. |
| Canada | Not a licensed profession (protected titles like ‘engineer’ may apply in some provinces). |
| Australia | Not a licensed profession; skills assessment needed for migration. |
| United Arab Emirates | Not licensed; degree attestation often required for visas. |
| European Union | Not generally regulated. |
Key skills
- Statistics
- Machine learning
- SQL and data wrangling
- Data visualisation
- Communicating findings
Experience
Junior roles accept strong graduates; senior roles require several years of applied modelling.
Indicative pay
- UK: £32,000 (starter) to £83,000 (experienced) a year — National Careers Service
- US: median $120,230 a year; 10th–90th percentile $67,240–$199,130 (SOC 15-2051) — BLS OEWS May 2025 national estimates
- Canada: varies by province — see Job Bank wage data.
- Australia: see Your Career (Australian Government) occupation profiles.
- UAE & EU: varies widely by employer and country; check current listings.
Pay figures retrieved 2026-10-29 from the cited official sources; they are averages/estimates, not offers.
Working in this job abroad: visa notes
United Kingdom
Graduate-level roles are often ‘higher skilled’ and may qualify for the Skilled Worker visa with a licensed sponsor, provided the salary meets the general threshold (£41,700 at the time of writing) or the occupation’s going rate, whichever is higher. Exceptional talent can use the Global Talent visa.
Official sources: GOV.UK – Skilled Worker visa · GOV.UK – Skilled Worker eligible occupations · GOV.UK – Check if you need a UK visa
United States
Common routes are the H-1B (degree-level ‘specialty occupation’, subject to an annual lottery), L-1 intracompany transfers, O-1 for extraordinary ability, and TN status for Canadian and Mexican citizens in listed USMCA professions. Permanent residence is usually employer-sponsored (EB-2/EB-3).
Official sources: USCIS – H-1B specialty occupations · USCIS – Employment-based green cards · USCIS – H-2B temporary non-agricultural workers
Canada
Express Entry (Federal Skilled Worker or Canadian Experience Class) is the main permanent route; employer-specific work permits may need an LMIA, while some tech roles can use the Global Talent Stream. Provincial nominee programs target in-demand occupations.
Official sources: Canada.ca – Work in Canada · Canada.ca – Express Entry
Australia
You may need a skills assessment from the relevant body (e.g. ACS for ICT, Engineers Australia, CPA Australia/CA ANZ/IPA for accountants, VETASSESS for many others) and an occupation on the relevant skilled list. Routes include the Skills in Demand (482) visa and points-tested 189/190 visas.
Official sources: Home Affairs – Skills in Demand visa (subclass 482) · Home Affairs – Skilled occupation list · Home Affairs – Skills assessment
United Arab Emirates
Work is normally through an employer-sponsored work permit and residence visa processed via MOHRE. Degree attestation is commonly required. Highly skilled professionals meeting salary and qualification criteria may be eligible for a 10-year Golden Visa.
Official sources: u.ae – Jobs and work in the UAE · MOHRE – Ministry of Human Resources & Emiratisation · u.ae – Golden Visa
European Union
Degree-level jobs may qualify for the EU Blue Card (a recognised degree or, in some countries, equivalent experience, plus a salary threshold set by each country) or national skilled-worker permits. Rules differ between member states, so check the EU Immigration Portal for the specific country.
Official sources: EU Immigration Portal · EU Regulated Professions Database · Make it in Germany (example national portal)
This guide is general information, reviewed October 2026. Immigration rules and licensing change often — always confirm with the official sources above. Not legal advice.