Core Java Developer Contracts

Core Java Developer
UK

The median Core Java Developer daily rate in the UK is £500, according to job vacancies posted in the 6 months leading up to 1 May 2025.

The table below provides contractor rate benchmarking and summary statistics, comparing them to the same period in the previous two years.

6 months to
1 May 2025
Same period 2024 Same period 2023
Rank 506 575 695
Rank change year-on-year +69 +120 +103
Contract jobs requiring a Core Java Developer 14 7 23
As % of all contract jobs advertised in the UK 0.048% 0.016% 0.039%
As % of the Job Titles category 0.052% 0.017% 0.041%
Number of daily rates quoted 3 7 17
10th Percentile £480 £718 £708
25th Percentile £488 £813 £738
Median daily rate (50th Percentile) £500 £850 £1,000
Median % change year-on-year -41.18% -15.00% +5.26%
75th Percentile £538 - £1,500
90th Percentile £545 £870 -
UK excluding London median daily rate £500 - £650
% change year-on-year - - +33.68%

All Contract IT Job Vacancies
UK

For comparison with the information above, the following table provides summary statistics for all contract IT job vacancies. Most job vacancies include a discernible job title that can be normalized. As such, the figures in the second row provide an indication of the number of contract jobs in our overall sample.

Contract vacancies in the UK with a recognized job title 27,084 40,415 56,464
% of contract IT jobs with a recognized job title 92.52% 92.78% 94.61%
Number of daily rates quoted 17,692 26,309 39,470
10th Percentile £300 £275 £313
25th Percentile £406 £410 £425
Median daily rate (50th Percentile) £515 £525 £540
Median % change year-on-year -1.90% -2.78% +2.86%
75th Percentile £625 £638 £650
90th Percentile £738 £750 £750
UK excluding London median daily rate £475 £492 £500
% change year-on-year -3.46% -1.60% +5.26%
Number of hourly rates quoted 1,035 2,664 1,570
10th Percentile £14.07 £12.86 £14.29
25th Percentile £18.50 £16.30 £19.50
Median hourly rate £29.00 £36.42 £45.00
Median % change year-on-year -20.37% -19.07% +91.49%
75th Percentile £62.50 £60.75 £65.75
90th Percentile £75.00 £72.50 £75.75
UK excluding London median hourly rate £28.00 £39.55 £42.50
% change year-on-year -29.20% -6.94% +117.95%

Core Java Developer
Job Vacancy Trend

Job postings that featured Core Java Developer in the job title as a proportion of all IT jobs advertised.

Job vacancy trend for Core Java Developer in the UK

Core Java Developer
Contractor Daily Rate Trend

3-month moving average daily rate quoted in jobs citing Core Java Developer.

Daily rate trend for Core Java Developer in the UK

Core Java Developer
Contractor Hourly Rate Trend

3-month moving average hourly rates quoted in jobs citing Core Java Developer.

Hourly rate trend for Core Java Developer in the UK

Core Java Developer
Top 4 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Core Java Developer within the UK over the 6 months to 1 May 2025. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Jobs
UK excluding London - 14 £500 - 1
Scotland - 11 - -
Work from Home +40 5 £500 -41.18% 1
Northern Ireland - 3 £500 - 1

Core Java Developer Skill Set
Top 30 Co-occurring Skills and Capabilities

For the 6 months to 1 May 2025, Core Java Developer contract job roles required the following skills and capabilities in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads featuring Core Java Developer in the job title.

1 14 (100.00%) Java
2 10 (71.43%) Data Structures
3 9 (64.29%) SQL
4 8 (57.14%) Software Engineering
4 8 (57.14%) Relational Database
5 7 (50.00%) Problem-Solving
5 7 (50.00%) Computer Science
5 7 (50.00%) Multithreading
5 7 (50.00%) Linux
6 5 (35.71%) MongoDB
7 4 (28.57%) Agile
7 4 (28.57%) Concurrent Programming
7 4 (28.57%) Algorithms
8 3 (21.43%) Kafka
8 3 (21.43%) Low Latency
9 2 (14.29%) Microservices
9 2 (14.29%) Event-Driven
9 2 (14.29%) PostgreSQL
10 1 (7.14%) Finance
10 1 (7.14%) Migration
10 1 (7.14%) C++
10 1 (7.14%) Data Modelling
10 1 (7.14%) SOA
10 1 (7.14%) JavaScript
10 1 (7.14%) Sybase
10 1 (7.14%) DB2
10 1 (7.14%) JUnit
10 1 (7.14%) CSS
10 1 (7.14%) Banking
10 1 (7.14%) Spring

Core Java Developer Skill Set
Co-occurring Skills and Capabilities by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same employment type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Cloud Services
1 1 (7.14%) AWS
1 1 (7.14%) BlazeMeter
Database & Business Intelligence
1 8 (57.14%) Relational Database
2 5 (35.71%) MongoDB
3 2 (14.29%) PostgreSQL
4 1 (7.14%) Apache Cassandra
4 1 (7.14%) DB2
4 1 (7.14%) NoSQL
Development Applications
1 1 (7.14%) JUnit
General
1 1 (7.14%) Banking
1 1 (7.14%) Finance
1 1 (7.14%) Inclusion and Diversity
1 1 (7.14%) Investment Banking
Libraries, Frameworks & Software Standards
1 3 (21.43%) Kafka
2 1 (7.14%) AngularJS
2 1 (7.14%) CSS
2 1 (7.14%) React
2 1 (7.14%) Spring
Miscellaneous
1 10 (71.43%) Data Structures
2 4 (28.57%) Algorithms
3 1 (7.14%) Derivative
3 1 (7.14%) Distributed Architecture
3 1 (7.14%) Distributed Computing
Operating Systems
1 7 (50.00%) Linux
Processes & Methodologies
1 8 (57.14%) Software Engineering
2 7 (50.00%) Computer Science
2 7 (50.00%) Multithreading
2 7 (50.00%) Problem-Solving
3 4 (28.57%) Agile
3 4 (28.57%) Concurrent Programming
4 3 (21.43%) Low Latency
5 2 (14.29%) Event-Driven
5 2 (14.29%) Microservices
6 1 (7.14%) CI/CD
6 1 (7.14%) Community of Practice
6 1 (7.14%) Continuous Delivery
6 1 (7.14%) Data Modelling
6 1 (7.14%) Database Migration
6 1 (7.14%) Front End Development
6 1 (7.14%) High-Frequency Trading
6 1 (7.14%) Micro Frontends
6 1 (7.14%) Operational Stability
6 1 (7.14%) Performance Tuning
6 1 (7.14%) SDLC
Programming Languages
1 14 (100.00%) Java
2 9 (64.29%) SQL
3 1 (7.14%) C++
3 1 (7.14%) JavaScript
3 1 (7.14%) TypeScript
Systems Management
1 1 (7.14%) Grafana
1 1 (7.14%) Kubernetes
Vendors
1 1 (7.14%) Dynatrace
1 1 (7.14%) Splunk
1 1 (7.14%) Sybase