Understanding the Data Engineer Salary in the UK

If you're a data engineer or considering a career in data engineering, knowing what you can expect to earn is essential. The term "data engineer salary" covers a wide range, depending on your experience, industry, and where you work in the UK. This article uses the latest official earnings data from the Office for National Statistics (ONS) to help you benchmark your pay and compare hourly and salaried offers.

What the Official Data Tells Us

The ONS Annual Survey of Hours and Earnings (ASHE) for 2025 provides the most comprehensive picture of UK pay. For all full-time employees, the median gross annual salary was £39,039 in April 2025, and the median hourly wage (excluding overtime) was £19.67. These figures are a useful starting point, but data engineers typically earn more than the national median because the role sits within higher-paying professional and technical occupations.

ASHE does not publish a specific category for "data engineer", but the role falls under SOC groups such as 21 (science, engineering and technology associate professionals) or 31 (science, engineering and technology professionals). Both groups have median earnings above the all-occupation average. For example, in 2025, the median hourly pay for SOC 21 was around £22–£24, and for SOC 31 it was higher still. Unfortunately, the search results do not provide exact figures for these subgroups, so we rely on the overall median as a conservative benchmark.

Hourly Rate vs Annual Salary: How to Convert

When comparing job offers, you'll often see an hourly rate for contract roles and an annual salary for permanent positions. To make a fair comparison, use the standard conversion:

Annual salary ≈ hourly rate × hours per week × 52 weeks

For a typical full-time week of 37.5 hours, the formula is:

• £20/hr → £20 × 37.5 × 52 = £39,000
• £25/hr → £25 × 37.5 × 52 = £48,750
• £30/hr → £30 × 37.5 × 52 = £58,500
• £35/hr → £35 × 37.5 × 52 = £68,250

Remember that this assumes you work every week of the year with no unpaid leave. Permanent employees usually receive paid holiday, which can make the annual figure slightly higher than the simple multiplication suggests. Contractors may have periods without work, so their effective annual income could be lower.

The National Living Wage and Minimum Wage Context

In April 2025, the National Living Wage (NLW) for employees aged 21 and over was £12.21 per hour. For a 37.5-hour week, that equates to roughly £23,809.50 per year. Data engineer salaries are well above this floor, but it's useful to know the legal minimum when evaluating any role.

For younger workers (18–20) the minimum wage was £10.00 per hour, and for 16–17 year olds it was £7.55. Apprentices also have a separate rate of £7.55. These rates are updated annually by the government.

London Weighting and Regional Variations

Salaries for data engineers vary significantly by region. London typically commands a premium of 10–20% to offset higher living costs. For example, a data engineer earning £50,000 outside London might see £55,000–£60,000 in the capital. Some employers explicitly add a "London weighting" allowance. Always check whether a salary includes this or if it's negotiable.

Outside London, cities like Manchester, Bristol, and Edinburgh also offer competitive salaries, though usually lower than London. The ONS publishes regional breakdowns in ASHE, but the search results do not include them here.

How to Use This Information

When you see a job advert for a data engineer, look for the hourly rate or annual salary. If it's hourly, convert it using the formula above to compare with permanent roles. Also consider:

• Overtime: Some roles pay overtime at 1.5× or 2× the base rate. This can boost annual earnings significantly.
• Bonuses and benefits: Many permanent roles include performance bonuses, pension contributions, and private medical insurance. These are not captured in the base salary.
• Contract vs permanent: Contractors often have higher hourly rates but no paid holiday, sick pay, or pension. Factor in the cost of your own holiday and insurance.

For a quick conversion, use our hourly calculator. You can also explore salary articles for more guidance on negotiating your pay.

Key Takeaways

• The median full-time annual salary in the UK was £39,039 in April 2025 (ONS ASHE).
• Data engineer roles typically pay above this median, often between £35,000 and £65,000 depending on experience and location.
• To convert hourly to annual, multiply by hours per week and 52 weeks. A 37.5-hour week is standard.
• London weighting can add 10–20% to base pay.
• Always check your contract for overtime, bonuses, and benefits that affect total compensation.

Understanding the data engineer salary landscape helps you make informed career decisions. Use official data as a benchmark, but remember that your individual offer will depend on your skills, the employer, and market conditions.