Period
to 14 December 2018

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 14 December 2018 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
14 Dec 2018
Same period 2017 Same period 2016
Rank 545 610 598
Rank change year-on-year +65 -12 -3
Contract jobs citing Celery 79 30 26
As % of all contract IT jobs advertised in London 0.17% 0.063% 0.058%
As % of the Libraries, Frameworks & Software Standards category 0.43% 0.17% 0.17%
Number of daily rates quoted 55 22 17
London median daily rate £550 £488 £425
Median daily rate % change year-on-year +12.82% +14.71% -8.11%
10th Percentile £469 £419 £344
90th Percentile £697 £571 £448
England median daily rate £538 £488 £425
% change year-on-year +10.26% +14.71% -5.56%
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 18,367 17,586 15,553
As % of all contract IT jobs advertised in London 39.23% 37.00% 34.87%
Number of daily rates quoted 13,881 13,471 11,579
London median daily rate £525 £500 £475
Median daily rate % change year-on-year +5.00% +5.26% +5.56%
10th Percentile £375 £350 £323
90th Percentile £675 £650 £625
England median daily rate £480 £470 £425
% change year-on-year +2.13% +10.59% +2.41%
Number of hourly rates quoted 84 100 70
London median hourly rate £36.75 £29.00 £41.13
Median hourly rate % change year-on-year +26.72% -29.48% +15.03%
10th Percentile £24.11 £19.00 £19.21
90th Percentile £58.75 £47.83 £58.50
England median hourly rate £41.50 £40.00 £40.00
% change year-on-year +3.75% - +6.67%

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 14 December 2018.

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 14 December 2018. 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 -2 17 £638 +34.21% 7
West London +2 1 £480 -4.00% 2
Celery
England

For the 6 months to 14 December 2018, 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 73 (92.41%) Python
2 60 (75.95%) Django
3 56 (70.89%) Agile Software Development
4 47 (59.49%) PostgreSQL
5 44 (55.70%) Flask
6 41 (51.90%) TDD
7 39 (49.37%) Software Engineering
8 38 (48.10%) Continuous Delivery
9 34 (43.04%) Docker
10 33 (41.77%) DevOps
11 32 (40.51%) JavaScript
12 31 (39.24%) Elasticsearch
13 30 (37.97%) SQLAlchemy
14 29 (36.71%) HTML
14 29 (36.71%) pytest
15 28 (35.44%) Robot Framework
15 28 (35.44%) Gatling
15 28 (35.44%) Jest
15 28 (35.44%) Enzyme
15 28 (35.44%) CSS
15 28 (35.44%) Selenium
15 28 (35.44%) Test Automation
15 28 (35.44%) Gunicorn
16 27 (34.18%) ES6
17 26 (32.91%) Scrum
18 24 (30.38%) Terraform
19 23 (29.11%) Jenkins
20 22 (27.85%) Continuous Integration
21 21 (26.58%) REST
22 20 (25.32%) OAuth2

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 31 (39.24%) Elasticsearch
2 28 (35.44%) Gunicorn
3 12 (15.19%) Confluence
4 9 (11.39%) Apache Spark
5 3 (3.80%) Apache Airflow
6 1 (1.27%) Luigi
6 1 (1.27%) WordPress
Applications
1 1 (1.27%) Chatbot
Cloud Services
1 20 (25.32%) Heroku
2 19 (24.05%) PaaS
3 17 (21.52%) Microsoft Azure
4 16 (20.25%) Amazon AWS
5 12 (15.19%) AWS Lambda
5 12 (15.19%) Serverless
6 11 (13.92%) Azure Functions
7 8 (10.13%) Google Cloud Platform
8 3 (3.80%) AWS CloudFormation
9 1 (1.27%) Amazon EC2
9 1 (1.27%) Amazon S3
9 1 (1.27%) AWS Elastic Beanstalk
9 1 (1.27%) Cloudflare
9 1 (1.27%) GitHub
9 1 (1.27%) Google Analytics
9 1 (1.27%) Twilio
Database & Business Intelligence
1 47 (59.49%) PostgreSQL
2 17 (21.52%) MySQL
3 10 (12.66%) Redis
4 9 (11.39%) Apache Hive
4 9 (11.39%) Big Data
4 9 (11.39%) Hadoop
5 8 (10.13%) BigQuery
6 2 (2.53%) Amazon DynamoDB
6 2 (2.53%) MongoDB
7 1 (1.27%) NoSQL
7 1 (1.27%) Relational Database
Development Applications
1 28 (35.44%) Gatling
1 28 (35.44%) Robot Framework
1 28 (35.44%) Selenium
2 23 (29.11%) Jenkins
3 15 (18.99%) Git (software)
4 12 (15.19%) JIRA
5 8 (10.13%) GitLab
6 2 (2.53%) Mercurial
6 2 (2.53%) Subversion
7 1 (1.27%) Codeship
7 1 (1.27%) fastlane
7 1 (1.27%) Vagrant
7 1 (1.27%) Xcode
General
1 15 (18.99%) Retail
2 6 (7.59%) Finance
3 1 (1.27%) Banking
Job Titles
1 38 (48.10%) Developer
2 28 (35.44%) Python Developer
3 24 (30.38%) Python Engineer
3 24 (30.38%) Software Engineer
4 17 (21.52%) Python Software Engineer
5 10 (12.66%) Lead Software Engineer
6 8 (10.13%) Django Developer
6 8 (10.13%) Machine Learning Engineer
6 8 (10.13%) Python/Django Developer
7 7 (8.86%) Algorithm Engineer
7 7 (8.86%) Ruby on Rails Developer
8 6 (7.59%) Software Manager
9 5 (6.33%) Senior Developer
9 5 (6.33%) Senior Software Engineer
10 4 (5.06%) Consultant
10 4 (5.06%) Lead Developer
10 4 (5.06%) Security Consultant
11 3 (3.80%) Engineering Manager
11 3 (3.80%) Ruby Developer
11 3 (3.80%) Senior Software Developer
Libraries, Frameworks & Software Standards
1 60 (75.95%) Django
2 44 (55.70%) Flask
3 30 (37.97%) SQLAlchemy
4 29 (36.71%) HTML
4 29 (36.71%) pytest
5 28 (35.44%) CSS
5 28 (35.44%) Enzyme
5 28 (35.44%) Jest
6 21 (26.58%) REST
7 20 (25.32%) OAuth
7 20 (25.32%) OAuth2
8 16 (20.25%) Elastic Stack
9 14 (17.72%) Node.js
10 10 (12.66%) React
11 9 (11.39%) NumPy
11 9 (11.39%) Sidekiq
11 9 (11.39%) TensorFlow
12 8 (10.13%) Ruby on Rails
12 8 (10.13%) scikit-learn
13 5 (6.33%) RabbitMQ
Miscellaneous
1 11 (13.92%) Algorithms
2 2 (2.53%) Fintech
3 1 (1.27%) Greenfield Project
3 1 (1.27%) Smart Meter
Operating Systems
1 12 (15.19%) Unix
2 11 (13.92%) Linux
3 1 (1.27%) Android
3 1 (1.27%) Apple iOS
Processes & Methodologies
1 56 (70.89%) Agile Software Development
2 41 (51.90%) TDD
3 39 (49.37%) Software Engineering
4 38 (48.10%) Continuous Delivery
5 33 (41.77%) DevOps
6 28 (35.44%) Test Automation
7 26 (32.91%) Scrum
8 22 (27.85%) Continuous Integration
9 19 (24.05%) BDD
10 18 (22.78%) Data Science
10 18 (22.78%) Microservices
11 17 (21.52%) Collaborative Working
11 17 (21.52%) Decision-Making
11 17 (21.52%) Mentoring
12 16 (20.25%) Coaching
13 15 (18.99%) Front End Development
14 12 (15.19%) E-Commerce
14 12 (15.19%) Machine Learning
15 10 (12.66%) Computer Science
16 8 (10.13%) Low Latency
Programming Languages
1 73 (92.41%) Python
2 32 (40.51%) JavaScript
3 27 (34.18%) ES6
4 14 (17.72%) Go
4 14 (17.72%) Java
5 8 (10.13%) Ruby
6 6 (7.59%) SQL
7 2 (2.53%) Bash Shell
8 1 (1.27%) C
8 1 (1.27%) PHP
Qualifications
1 10 (12.66%) Computer Science Degree
1 10 (12.66%) Degree
1 10 (12.66%) Master's Degree
2 4 (5.06%) Security Cleared
3 3 (3.80%) BPSS Clearance
4 1 (1.27%) SC Cleared
Quality Assurance & Compliance
1 1 (1.27%) QA
System Software
1 34 (43.04%) Docker
Systems Management
1 24 (30.38%) Terraform
2 17 (21.52%) Ansible
3 9 (11.39%) Kubernetes
4 2 (2.53%) Docker Swarm
4 2 (2.53%) Opscode Chef
4 2 (2.53%) Puppet
4 2 (2.53%) Salt
Vendors
1 14 (17.72%) Splunk
2 10 (12.66%) Google
3 4 (5.06%) Oracle
4 3 (3.80%) Tableau
5 2 (2.53%) New Relic
6 1 (1.27%) Facebook