Period
to 24 April 2019

The following table provides summary statistics for contract job vacancies advertised in London with a requirement for Celery skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Celery over the 6 months to 24 April 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.

Celery Task Queue
England > London
6 months to
24 Apr 2019
Same period 2018 Same period 2017
Rank 571 587 548
Rank change year-on-year +16 -39 +21
Contract jobs citing Celery 29 43 38
As % of all contract IT jobs advertised in London 0.069% 0.093% 0.096%
As % of the Libraries, Frameworks & Software Standards category 0.19% 0.26% 0.27%
Number of daily rates quoted 22 30 31
London median daily rate £575 £500 £425
Median daily rate % change year-on-year +15.00% +17.65% -
10th Percentile £496 £409 £338
90th Percentile £703 £626 £475
England median daily rate £575 £500 £425
% change year-on-year +15.00% +17.65% -
Number of hourly rates quoted 0 0 0
London median hourly rate - - -
England median hourly rate - - -

Celery 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 London with a requirement for technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
London
Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 15,473 16,741 13,936
As % of all contract IT jobs advertised in London 36.88% 36.31% 35.05%
Number of daily rates quoted 11,574 12,816 10,419
London median daily rate £525 £500 £475
Median daily rate % change year-on-year +5.00% +5.26% +2.70%
10th Percentile £371 £363 £325
90th Percentile £675 £656 £638
England median daily rate £500 £475 £440
% change year-on-year +5.26% +7.95% +3.53%
Number of hourly rates quoted 79 124 87
London median hourly rate £36.00 £41.41 £45.00
Median hourly rate % change year-on-year -13.07% -7.97% +12.50%
10th Percentile £24.11 £20.75 £20.08
90th Percentile £56.50 £64.50 £57.50
England median hourly rate £43.50 £41.00 £41.00
% change year-on-year +6.10% - +5.81%

Celery
Job Vacancy Trend in London

Job postings citing Celery as a percentage of all IT jobs advertised in London.

Job vacancy trend for Celery in London

Celery
Contractor Daily Rate Trend in London

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Celery in London.

Contractor daily rate trend for Celery in London

Celery
Contractor Daily Rate Histogram in London

The daily rate distribution of IT jobs citing Celery in London over the 6 months to 24 April 2019.

Contractor daily rate histogram for Celery in London

Celery
Contract Job Locations in London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Celery within the London region over the 6 months to 24 April 2019. 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
Job
Vacancies
Central London +13 15 £638 +27.50%
West London - 1 £550 - 1
Celery
England

For the 6 months to 24 April 2019, IT contractor jobs citing Celery 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 London region with a requirement for Celery.

1 23 (79.31%) Python
2 20 (68.97%) JavaScript
3 19 (65.52%) Flask
4 18 (62.07%) Docker
4 18 (62.07%) Agile Software Development
5 16 (55.17%) Software Engineering
6 15 (51.72%) Django
7 14 (48.28%) PostgreSQL
8 13 (44.83%) Microservices
8 13 (44.83%) Terraform
9 12 (41.38%) Selenium
9 12 (41.38%) SQLAlchemy
10 11 (37.93%) Test Automation
10 11 (37.93%) HTML
10 11 (37.93%) CSS
10 11 (37.93%) Kubernetes
11 10 (34.48%) ES6
11 10 (34.48%) Robot Framework
11 10 (34.48%) pytest
11 10 (34.48%) Google Cloud Platform
11 10 (34.48%) Gunicorn
11 10 (34.48%) Finance
11 10 (34.48%) Microsoft Azure
11 10 (34.48%) Gatling
11 10 (34.48%) Jest
11 10 (34.48%) Enzyme
11 10 (34.48%) Collaborative Working
11 10 (34.48%) Data Science
12 9 (31.03%) Amazon AWS
12 9 (31.03%) TDD

Celery
Co-occurring IT Skills in London 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 10 (34.48%) Gunicorn
2 4 (13.79%) Apache Spark
3 2 (6.90%) Apache Airflow
3 2 (6.90%) Confluence
3 2 (6.90%) Elasticsearch
3 2 (6.90%) Jupyter
3 2 (6.90%) Luigi
3 2 (6.90%) nginx
4 1 (3.45%) Tornado
Applications
1 1 (3.45%) Chatbot
Cloud Services
1 10 (34.48%) Google Cloud Platform
1 10 (34.48%) Microsoft Azure
2 9 (31.03%) Amazon AWS
3 4 (13.79%) AWS Lambda
3 4 (13.79%) Azure Functions
3 4 (13.79%) Serverless
4 2 (6.90%) Amazon S3
4 2 (6.90%) AWS CloudFormation
Database & Business Intelligence
1 14 (48.28%) PostgreSQL
2 9 (31.03%) Redis
3 6 (20.69%) BigQuery
4 4 (13.79%) Apache Hive
4 4 (13.79%) Big Data
4 4 (13.79%) Hadoop
4 4 (13.79%) MySQL
5 2 (6.90%) Data Lake
5 2 (6.90%) Text Mining
6 1 (3.45%) NoSQL
6 1 (3.45%) Relational Database
Development Applications
1 12 (41.38%) Selenium
2 10 (34.48%) Gatling
2 10 (34.48%) Robot Framework
3 8 (27.59%) GitLab
4 2 (6.90%) Git (software)
4 2 (6.90%) Jenkins
4 2 (6.90%) JIRA
4 2 (6.90%) Mercurial
4 2 (6.90%) Subversion
General
1 10 (34.48%) Finance
2 4 (13.79%) Games
2 4 (13.79%) Retail
3 2 (6.90%) Marketing
Job Titles
1 13 (44.83%) Developer
1 13 (44.83%) Python Developer
2 4 (13.79%) Consultant
2 4 (13.79%) Django Developer
2 4 (13.79%) Python/Django Developer
2 4 (13.79%) Security Consultant
2 4 (13.79%) Software Developer
2 4 (13.79%) Software Manager
3 3 (10.34%) Engineering Manager
3 3 (10.34%) Python Engineer
3 3 (10.34%) Python Software Engineer
3 3 (10.34%) Software Engineer
3 3 (10.34%) Software Engineering Manager
4 2 (6.90%) DevOps Engineer
4 2 (6.90%) IT Consultant
4 2 (6.90%) IT Engineer
4 2 (6.90%) IT Security Consultant
4 2 (6.90%) IT Security Engineer
4 2 (6.90%) Security Engineer
4 2 (6.90%) Senior DevOps
Libraries, Frameworks & Software Standards
1 19 (65.52%) Flask
2 15 (51.72%) Django
3 12 (41.38%) SQLAlchemy
4 11 (37.93%) CSS
4 11 (37.93%) HTML
5 10 (34.48%) Enzyme
5 10 (34.48%) Jest
5 10 (34.48%) pytest
6 8 (27.59%) scikit-learn
7 6 (20.69%) Elastic Stack
8 4 (13.79%) Node.js
8 4 (13.79%) NumPy
8 4 (13.79%) REST
8 4 (13.79%) TensorFlow
9 3 (10.34%) Natural Language Processing
9 3 (10.34%) RabbitMQ
10 2 (6.90%) Beautiful Soup
10 2 (6.90%) Kafka
10 2 (6.90%) React
10 2 (6.90%) SciPy
Miscellaneous
1 3 (10.34%) Analytical Skills
2 2 (6.90%) Algorithms
2 2 (6.90%) Data Structures
2 2 (6.90%) Fintech
3 1 (3.45%) Cloud Native
3 1 (3.45%) Greenfield Project
Operating Systems
1 4 (13.79%) Linux
2 1 (3.45%) Windows
2 1 (3.45%) Windows Server
Processes & Methodologies
1 18 (62.07%) Agile Software Development
2 16 (55.17%) Software Engineering
3 13 (44.83%) Microservices
4 11 (37.93%) Test Automation
5 10 (34.48%) Collaborative Working
5 10 (34.48%) Data Science
6 9 (31.03%) TDD
7 8 (27.59%) BDD
7 8 (27.59%) Continuous Delivery
7 8 (27.59%) Decision-Making
7 8 (27.59%) DevOps
8 5 (17.24%) Coaching
8 5 (17.24%) Mentoring
9 4 (13.79%) Cybersecurity
9 4 (13.79%) Machine Learning
9 4 (13.79%) Penetration Testing
9 4 (13.79%) Security Architecture
10 3 (10.34%) Risk Management
11 2 (6.90%) Scrum
11 2 (6.90%) Workflow
Programming Languages
1 23 (79.31%) Python
2 20 (68.97%) JavaScript
3 10 (34.48%) ES6
4 5 (17.24%) SQL
5 4 (13.79%) Bash Shell
5 4 (13.79%) Go
5 4 (13.79%) Java
6 1 (3.45%) C
Qualifications
1 2 (6.90%) Computer Science Degree
1 2 (6.90%) Degree
1 2 (6.90%) Master's Degree
System Software
1 18 (62.07%) Docker
Systems Management
1 13 (44.83%) Terraform
2 11 (37.93%) Kubernetes
3 6 (20.69%) Ansible
4 2 (6.90%) Docker Swarm
4 2 (6.90%) Opscode Chef
4 2 (6.90%) Puppet
4 2 (6.90%) Salt
Vendors
1 8 (27.59%) Google
2 4 (13.79%) Oracle
2 4 (13.79%) Splunk
3 3 (10.34%) Tableau
4 2 (6.90%) Atlassian
4 2 (6.90%) Facebook
4 2 (6.90%) Instagram
4 2 (6.90%) New Relic
4 2 (6.90%) Twitter