A Java developer costs UK businesses from £900 per month through Teambuild Consultancy. That price covers a dedicated remote developer for 80 hours a month, and the full-time plan starts from £1,500 per month for 160 hours.
This guide compares four routes: Teambuild’s monthly retainer, contractor day rates, in-house salaries, and the hidden costs of employment. Every market figure names its source.
TL;DR
- A Java developer costs from £900 per month part-time (80 hours) or from £1,500 per month full-time (160 hours) through Teambuild.
- The median UK Java contractor rate is £525 per day, or £65.63 per hour (IT Jobs Watch, six months to 24 September 2026).
- London Java salaries run from £45,000 to £140,000, and employer NI adds 15% above £5,000.
- Teambuild charges monthly pricing only, with no recruitment or placement fees.
- The median contractor hourly rate is 7 times the full-time Teambuild hourly cost.
How Much Does It Cost to Hire a Java Developer in the UK?
A Java developer costs from £900 per month part-time or from £1,500 per month full-time through Teambuild. In-house London salaries plus employer National Insurance run from £4,250 to £13,354 per month, and a contractor on the median day rate costs £10,500 for 20 working days.
The table below compares four hiring routes on a monthly basis.
| Hiring route | Monthly cost | Basis |
| Teambuild part-time (80 hours) | From £900 | Fixed monthly price |
| Teambuild full-time (160 hours) | From £1,500 | Fixed monthly price |
| Contractor, median rate | £10,500 | £525 per day for 20 days, range £8,000 to £17,720 |
| In-house, London junior to senior | £4,250 to £13,354 | Salary plus 15% employer NI, before pension and equipment |
Teambuild adds no recruitment or placement fees to these prices. Teambuild bills the monthly price only.
What Is the Hourly Rate for a Java Developer in the UK?
The median Java contractor rate in the UK is £525 per day, which equals £65.63 per hour on an 8-hour day. IT Jobs Watch reports that figure from 582 quoted daily rates across 829 Java contract vacancies in the six months to 24 September 2026. The 10th to 90th percentile range runs from £400 to £886 per day, or £50 to £110.75 per hour.
Teambuild’s Java retainer works out at £11.25 per hour part-time (£900 for 80 hours) and £9.38 per hour full-time (£1,500 for 160 hours). The median contractor rate is 7 times the full-time Teambuild hourly cost. The gap exists because a retainer bills one fixed monthly price for a full month of hours, while a contractor bills each day at a market rate.
Java Developer Cost by Experience Level
A London Java developer earns between £45,000 and £140,000 a year, depending on experience. The Morgan McKinley 2026 Salary Guide publishes median bands for three levels. The table adds the 15% employer National Insurance charge above the £5,000 threshold that GOV.UK sets for 2026 to 27.
| Level | Experience | Salary band (London) | Salary plus employer NI |
| Junior | 0 to 3 years | £45,000 to £80,000 | £51,000 to £91,250 |
| Mid-level | 3 to 5 years | £80,000 to £100,000 | £91,250 to £114,250 |
| Senior | 5+ years | £95,000 to £140,000 | £108,500 to £160,250 |
These bands cover London only. Teambuild’s Java retainers start from £900 and £1,500 per month, and Teambuild confirms the final monthly price for senior or specialist stacks on a free consultation.
What Factors Change the Cost to Hire a Java Developer?
Four factors set the price of a Java developer: seniority, monthly hours, stack complexity, and hiring route. Seniority moves London salaries across a £95,000 spread, from £45,000 at junior level to £140,000 at senior level, according to Morgan McKinley.
Monthly hours move the Teambuild price from £900 for 80 hours to £1,500 for 160 hours. Stack complexity moves the scope: a Spring Boot REST API build needs less senior oversight than a microservices platform on Kubernetes. Hiring route moves the total most, because the same 160 hours cost £1,500 on a Teambuild retainer and £10,500 at the median contractor rate.
Businesses still choosing a language can compare Java vs Python backend before fixing a stack and a budget.
What Are the Hidden Costs When You Hire a Java Developer In-House?
An in-house Java hire adds 5 costs on top of salary: employer National Insurance, pension contributions, equipment, holiday and sickness cover, and hiring time. Teambuild calls this stack the True Cost Stack, because the salary line is only the first layer.
- Employer National Insurance: GOV.UK sets the 2026 to 27 rate at 15% above £5,000, which adds £8,250 to a £60,000 salary.
- Pension contributions: Employers pay auto-enrolment contributions on top of salary.
- Equipment and licences: Laptops, IDE licences, and cloud accounts sit on the employer’s budget.
- Holiday and sickness cover: Paid leave removes working days without removing salary.
- Hiring time: Job adverts, interviews, and notice periods delay the first productive day.
Teambuild’s monthly price replaces the True Cost Stack with one line. The retainer includes no-hassle replacements, and Teambuild charges no recruitment or placement fees.
How Much Does Teambuild Charge to Hire a Java Developer?
Teambuild charges from £900 per month for a part-time Java developer (80 hours) and from £1,500 per month for a full-time Java developer (160 hours). Both plans use monthly pricing with no recruitment or placement fees.
Every Teambuild Java plan includes 5 items:
- Dedicated remote specialist: One Java developer works on your backlog for the full plan hours.
- Customer success manager: A customer success manager oversees the engagement.
- Quality control and supervision: Teambuild supervises delivery and checks quality inside the plan price.
- No-hassle replacements: Teambuild replaces the developer if the match doesn’t work.
- Timezone-matched hours: The developer works to your timezone and schedule.
Teambuild’s Java developers work with Spring Boot, Hibernate ORM, RESTful APIs, microservices, AWS, Kubernetes, and CI/CD pipelines, and the guide on what a Java developer does covers the full role. The part-time plan suits businesses with fewer than 10 working days of Java work a month, because 80 hours equals 10 eight-hour days. The full-time plan suits sprint-based product work at 160 hours, or 20 working days.
Both plans let businesses hire a Java developer on a monthly basis. If the role spans front end and back end, hire a full stack developer instead. The full Teambuild pricing page lists the plans for every role.
Which Option Is Cheapest to Hire a Java Developer Over 12 Months?
A Teambuild Java retainer is the cheapest route, at from £10,800 per year part-time and from £18,000 per year full-time. The table compares all four routes over 12 months.
| Hiring route | 12-month cost | Basis |
| Teambuild part-time | From £10,800 | 12 months at £900 |
| Teambuild full-time | From £18,000 | 12 months at £1,500 |
| Contractor, median rate | £126,000 | £525 per day, 20 days a month, per IT Jobs Watch |
| In-house, London | £51,000 to £160,250 | Salary plus employer NI, before pension and equipment |
The contractor figure assumes 20 working days each month for 12 months. The in-house range excludes pension, equipment, and cover costs, so the true in-house total sits higher.
Frequently Asked Questions
How much does it cost to hire a Java developer in the UK?
A Java developer costs from £900 per month part-time or from £1,500 per month full-time through Teambuild. In-house London hires cost £4,250 to £13,354 per month in salary and employer National Insurance alone.
What is the average hourly rate for a Java developer in the UK?
The median Java contractor rate is £525 per day, or £65.63 per hour, according to IT Jobs Watch data for the six months to 24 September 2026. Teambuild’s full-time retainer works out at £9.38 per hour.
How much does a Java developer earn in the UK?
London Java developers earn £45,000 to £80,000 at junior level, £80,000 to £100,000 at mid-level, and £95,000 to £140,000 at senior level, according to the Morgan McKinley 2026 Salary Guide.
Can you hire a Java developer part-time?
Yes, Teambuild offers a part-time Java developer from £900 per month for 80 hours. The plan suits businesses with fewer than 10 working days of Java work each month.
Does Teambuild charge recruitment or placement fees?
No, Teambuild charges the monthly price only. The £900 and £1,500 plans include a customer success manager, quality control, and no-hassle replacements.
Do Java developers work UK business hours?
Yes, Teambuild matches each Java developer to your timezone and schedule.
Can a Java developer handle microservices and cloud deployment?
Yes, Teambuild’s Java developers build microservices with Spring Boot and deploy them on AWS and Kubernetes through CI/CD pipelines.
Ready to Hire a Java Developer at a Fixed Monthly Price?
The cost to hire a Java developer through Teambuild starts at £900 per month part-time and £1,500 per month full-time. Book a free consultation to confirm the monthly price for your Java stack and start date.Follow how to hire a Java developer to plan the hiring process before the call. The consultation takes less than 2 minutes, with no commitment. Hire a Java developer with Teambuild Consultancy today.
