Period
to 17 August 2019

The following table provides summary statistics for contract job vacancies advertised in Croydon with a requirement for Lambda Expressions skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Lambda Expressions over the 6 months to 17 August 2019 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Lambda Expressions\Calculus
South London > Croydon
6 months to
17 Aug 2019
Same period 2018 Same period 2017
Rank 78 64 69
Rank change year-on-year -14 +5 -
Contract jobs citing Lambda Expressions 5 56 1
As % of all contract IT jobs advertised in Croydon 0.70% 4.64% 0.22%
As % of the Libraries, Frameworks & Software Standards category 1.57% 11.16% 0.42%
Number of daily rates quoted 2 54 1
Croydon median daily rate £538 £550 £475
Median daily rate % change year-on-year -2.27% +15.79% -
10th Percentile £506 £525 £463
90th Percentile £579 £588 £488
South London median daily rate £538 £550 £475
% change year-on-year -2.27% +15.79% -
Number of hourly rates quoted 0 0 0
Croydon median hourly rate - - -
South London median hourly rate - - -

Lambda Expressions is in the Software Libraries and Frameworks category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Croydon with a requirement for technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
Croydon
Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 318 502 239
As % of all contract IT jobs advertised in Croydon 44.48% 41.56% 51.51%
Number of daily rates quoted 248 349 139
Croydon median daily rate £525 £500 £500
Median daily rate % change year-on-year +5.00% - +21.21%
10th Percentile £411 £363 £381
90th Percentile £616 £588 £658
South London median daily rate £500 £491 £475
% change year-on-year +1.78% +3.42% +15.15%
Number of hourly rates quoted 2 0 1
Croydon median hourly rate £35.00 - £28.50
South London median hourly rate £44.96 £47.00 £47.83
% change year-on-year -4.35% -1.74% +34.35%

Lambda Expressions
Job Vacancy Trend in Croydon

Job postings citing Lambda Expressions as a percentage of all IT jobs advertised in Croydon.

Job vacancy trend for Lambda Expressions in Croydon

Lambda Expressions
Contractor Daily Rate Trend in Croydon

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Lambda Expressions in Croydon.

Contractor daily rate trend for Lambda Expressions in Croydon

For the 6 months to 17 August 2019, IT contractor jobs citing Lambda Expressions also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the Croydon region with a requirement for Lambda Expressions.

1 5 (100.00%) Java
1 5 (100.00%) JUnit
1 5 (100.00%) Unix
1 5 (100.00%) OOA/OOD
1 5 (100.00%) OO
1 5 (100.00%) JBoss
1 5 (100.00%) JMS
1 5 (100.00%) RDBMS
1 5 (100.00%) Red Hat
1 5 (100.00%) Agile Software Development
1 5 (100.00%) Spring
1 5 (100.00%) Maven
1 5 (100.00%) Checkstyle
1 5 (100.00%) Drools
1 5 (100.00%) Git (software)
1 5 (100.00%) Test Automation
1 5 (100.00%) Domain-Driven Design
1 5 (100.00%) RESTful
1 5 (100.00%) Amazon AWS
1 5 (100.00%) Dependency Injection
1 5 (100.00%) Mockito
1 5 (100.00%) Spring Batch
1 5 (100.00%) JAX-RS
1 5 (100.00%) JPQL
1 5 (100.00%) Relational Database
1 5 (100.00%) Microservices
1 5 (100.00%) SonarQube
1 5 (100.00%) Linux Command Line
1 5 (100.00%) Java 8
2 4 (80.00%) Liquibase

Lambda Expressions
Co-occurring IT Skills in Croydon by Category

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

Application Platforms
1 5 (100.00%) JBoss
2 4 (80.00%) Confluence
Cloud Services
1 5 (100.00%) Amazon AWS
Database & Business Intelligence
1 5 (100.00%) RDBMS
1 5 (100.00%) Relational Database
Development Applications
1 5 (100.00%) Checkstyle
1 5 (100.00%) Git (software)
1 5 (100.00%) JUnit
1 5 (100.00%) Maven
1 5 (100.00%) Mockito
1 5 (100.00%) SonarQube
2 4 (80.00%) JIRA
2 4 (80.00%) Liquibase
Job Titles
1 4 (80.00%) Backend Developer
1 4 (80.00%) Developer
2 1 (20.00%) AWS Developer
2 1 (20.00%) DevOps Engineer
2 1 (20.00%) Java Developer
Libraries, Frameworks & Software Standards
1 5 (100.00%) Drools
1 5 (100.00%) JAX-RS
1 5 (100.00%) JMS
1 5 (100.00%) RESTful
1 5 (100.00%) Spring
1 5 (100.00%) Spring Batch
2 4 (80.00%) Hibernate
2 4 (80.00%) REST
2 4 (80.00%) WireMock
Miscellaneous
1 5 (100.00%) Linux Command Line
Operating Systems
1 5 (100.00%) Unix
Processes & Methodologies
1 5 (100.00%) Agile Software Development
1 5 (100.00%) Dependency Injection
1 5 (100.00%) Domain-Driven Design
1 5 (100.00%) Microservices
1 5 (100.00%) OO
1 5 (100.00%) OOA/OOD
1 5 (100.00%) Test Automation
2 4 (80.00%) CQRS
2 4 (80.00%) DevOps
2 4 (80.00%) Migration
2 4 (80.00%) Visualisation
3 3 (60.00%) Front End Development
Programming Languages
1 5 (100.00%) Java
1 5 (100.00%) Java 8
1 5 (100.00%) JPQL
Qualifications
1 3 (60.00%) SC Cleared
1 3 (60.00%) Security Cleared
Vendors
1 5 (100.00%) Red Hat