Lambda Expressions Contracts

Lambda Expressions\Calculus
UK

The table below provides summary statistics for contract job vacancies requiring Lambda Expressions skills. It includes a benchmarking guide to the contractor rates offered in vacancies that cited Lambda Expressions over the 6 months leading up to 19 June 2025, comparing them to the same period in the previous two years.

6 months to
19 Jun 2025
Same period 2024 Same period 2023
Rank 501 557 600
Rank change year-on-year +56 +43 +112
Contract jobs citing Lambda Expressions 30 37 83
As % of all contract jobs advertised in the UK 0.10% 0.084% 0.15%
As % of the Libraries, Frameworks & Software Standards category 0.44% 0.40% 0.65%
Number of daily rates quoted 17 29 72
10th Percentile £364 £300 £463
25th Percentile £400 £463 £510
Median daily rate (50th Percentile) £475 £550 £550
Median % change year-on-year -13.64% - -8.33%
75th Percentile £500 £663 £650
90th Percentile £605 £675 £735
UK excluding London median daily rate £500 £600 £525
% change year-on-year -16.67% +14.29% -4.55%

All Software Libraries and Frameworks
UK

Lambda Expressions falls under the Software Libraries and Frameworks category. For comparison with the information above, the following table provides summary statistics for all contract job vacancies requiring technical specification, industry standards, software libraries and framework skills.

Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 6,811 9,283 12,688
As % of all contract IT jobs advertised in the UK 22.80% 21.16% 22.85%
Number of daily rates quoted 4,651 6,371 9,244
10th Percentile £356 £350 £390
25th Percentile £413 £425 £463
Median daily rate (50th Percentile) £514 £538 £550
Median % change year-on-year -4.37% -2.27% -
75th Percentile £638 £650 £675
90th Percentile £763 £788 £788
UK excluding London median daily rate £475 £500 £500
% change year-on-year -5.00% - -
Number of hourly rates quoted 126 276 151
10th Percentile £29.16 £22.50 £35.00
25th Percentile £39.84 £43.00 £51.25
Median hourly rate £56.25 £51.75 £65.00
Median % change year-on-year +8.70% -20.38% +23.81%
75th Percentile £68.00 £68.75 £75.00
90th Percentile £81.18 £74.44 £81.00
UK excluding London median hourly rate £62.50 £56.25 £65.00
% change year-on-year +11.11% -13.46% +18.18%

Lambda Expressions
Job Vacancy Trend

Job postings citing Lambda Expressions as a proportion of all IT jobs advertised.

Job vacancy trend for Lambda Expressions in the UK

Lambda Expressions
Contractor Daily Rate Trend

3-month moving average daily rate quoted in jobs citing Lambda Expressions.

Daily rate trend for Lambda Expressions in the UK

Lambda Expressions
Daily Rate Histogram

Daily rate distribution for jobs citing Lambda Expressions over the 6 months to 19 June 2025.

Daily rate histogram for Lambda Expressions in the UK

Lambda Expressions
Contractor Hourly Rate Trend

3-month moving average hourly rates quoted in jobs citing Lambda Expressions.

Hourly rate trend for Lambda Expressions in the UK

Lambda Expressions
Top 11 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Lambda Expressions within the UK over the 6 months to 19 June 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
England +59 25 £460 -16.36% 105
London +49 13 £450 -21.74% 46
UK excluding London +36 13 £500 -16.67% 69
Work from Home +38 11 £460 -23.33% 50
North of England +3 8 £500 -16.67% 26
Yorkshire +13 5 £500 -21.57% 9
East Midlands - 3 £358 - 5
Midlands - 3 £358 - 8
North West +9 2 £390 -8.24% 13
Scotland +7 2 £600 - 7
North East - 1 £550 - 4

Lambda Expressions
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:

Application Platforms
1 5 (16.67%) Jupyter
2 3 (10.00%) Oracle Application Server
Cloud Services
1 27 (90.00%) AWS
2 14 (46.67%) Serverless
3 9 (30.00%) AWS Lambda
4 7 (23.33%) GitHub
4 7 (23.33%) GitHub Actions
5 5 (16.67%) Amazon SageMaker
6 4 (13.33%) Amazon Bedrock
7 2 (6.67%) Amazon MSK
7 2 (6.67%) Amazon Neptune
7 2 (6.67%) Datadog
8 1 (3.33%) Amazon CloudWatch
8 1 (3.33%) Amazon EC2
8 1 (3.33%) Amazon S3
8 1 (3.33%) AWS CodePipeline
8 1 (3.33%) AWS Step Functions
8 1 (3.33%) Azure
8 1 (3.33%) dbt
8 1 (3.33%) GCP
Communications & Networking
1 3 (10.00%) HTTP
1 3 (10.00%) HTTPS
1 3 (10.00%) SSL
Database & Business Intelligence
1 6 (20.00%) PostgreSQL
2 4 (13.33%) NoSQL
3 3 (10.00%) Oracle Database
4 2 (6.67%) Amazon Aurora
5 1 (3.33%) Couchbase
5 1 (3.33%) DynamoDB
5 1 (3.33%) MongoDB
5 1 (3.33%) Redis
Development Applications
1 11 (36.67%) Jenkins
2 7 (23.33%) Cypress.io
2 7 (23.33%) Git
3 5 (16.67%) MLflow
4 2 (6.67%) JUnit
4 2 (6.67%) Mockito
5 1 (3.33%) Cucumber
5 1 (3.33%) EasyMock
5 1 (3.33%) GitLab
5 1 (3.33%) JBehave
5 1 (3.33%) Selenium
5 1 (3.33%) VisualVM
5 1 (3.33%) YourKit
General
1 6 (20.00%) Social Skills
2 5 (16.67%) Public Sector
3 2 (6.67%) Finance
4 1 (3.33%) Analytical Skills
4 1 (3.33%) Documentation Skills
4 1 (3.33%) Military
Job Titles
1 17 (56.67%) Developer
2 7 (23.33%) React Developer
3 5 (16.67%) Java Developer
4 4 (13.33%) Python Developer
4 4 (13.33%) Python Engineer
4 4 (13.33%) Senior
5 3 (10.00%) Backend Developer
5 3 (10.00%) Lead
5 3 (10.00%) Software Engineer
6 2 (6.67%) Full-Stack Developer
6 2 (6.67%) Full-Stack Engineer
6 2 (6.67%) Senior Developer
6 2 (6.67%) Senior Software Engineer
7 1 (3.33%) AWS Engineer
7 1 (3.33%) DevOps Engineer
7 1 (3.33%) Full-Stack JavaScript Developer
7 1 (3.33%) Node.js Developer
7 1 (3.33%) Scala Engineer
7 1 (3.33%) Senior Java Developer
7 1 (3.33%) Solutions Architect
Libraries, Frameworks & Software Standards
1 12 (40.00%) React
2 9 (30.00%) Next.js
3 8 (26.67%) Node.js
4 7 (23.33%) GraphQL
4 7 (23.33%) Redux
4 7 (23.33%) Spring Boot
5 5 (16.67%) FastAPI
5 5 (16.67%) JPA
5 5 (16.67%) LangChain
5 5 (16.67%) NumPy
5 5 (16.67%) Pandas
5 5 (16.67%) pytest
5 5 (16.67%) REST
5 5 (16.67%) Spring
5 5 (16.67%) SQLAlchemy
6 4 (13.33%) OpenTelemetry
6 4 (13.33%) pydantic
6 4 (13.33%) PyTorch
6 4 (13.33%) RESTful
6 4 (13.33%) TensorFlow
Miscellaneous
1 3 (10.00%) Cloud Native
1 3 (10.00%) State Machine
2 1 (3.33%) Algorithms
2 1 (3.33%) Data Structures
2 1 (3.33%) NHS
2 1 (3.33%) Product Ownership
Operating Systems
1 1 (3.33%) Linux
Processes & Methodologies
1 15 (50.00%) Microservices
2 12 (40.00%) CI/CD
3 10 (33.33%) Mentoring
3 10 (33.33%) TDD
4 9 (30.00%) Coaching
5 7 (23.33%) Continuous Delivery
5 7 (23.33%) Continuous Integration
5 7 (23.33%) Regression Testing
6 6 (20.00%) Agile
7 5 (16.67%) Artificial Intelligence
7 5 (16.67%) Generative AI
7 5 (16.67%) Machine Learning
7 5 (16.67%) Software Engineering
8 4 (13.33%) Containerisation
8 4 (13.33%) Data Pipeline
8 4 (13.33%) DevOps
8 4 (13.33%) Full-Stack Development
8 4 (13.33%) OO
8 4 (13.33%) Problem-Solving
8 4 (13.33%) Test Automation
Programming Languages
1 16 (53.33%) TypeScript
2 14 (46.67%) Python
3 9 (30.00%) Java
4 6 (20.00%) JavaScript
5 5 (16.67%) SQL
6 3 (10.00%) PL/SQL
7 2 (6.67%) Go
7 2 (6.67%) Scala
7 2 (6.67%) SPARQL
8 1 (3.33%) Bash
Qualifications
1 5 (16.67%) AWS Certification
2 4 (13.33%) SC Cleared
2 4 (13.33%) Security Cleared
3 1 (3.33%) BPSS Clearance
3 1 (3.33%) Computer Science Degree
3 1 (3.33%) Degree
3 1 (3.33%) Master's Degree
Quality Assurance & Compliance
1 7 (23.33%) QA
System Software
1 8 (26.67%) Docker
2 1 (3.33%) Virtual Machines
Systems Management
1 12 (40.00%) Kubernetes
2 11 (36.67%) Terraform
3 2 (6.67%) Ansible
4 1 (3.33%) Grafana
4 1 (3.33%) Puppet
Vendors
1 5 (16.67%) Dataiku
1 5 (16.67%) DataRobot
2 3 (10.00%) Oracle
3 1 (3.33%) Sage
3 1 (3.33%) Splunk