The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for Protocol Buffers skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Protocol Buffers over the 3 months to 22 March 2017 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.

3 months to
22 Mar 2017
Same period 2016 Same period 2015
Google Protocol Buffers (protobuf)
London / City of London
Rank 149 149 -
Rank change year-on-year 0 -  
Contract jobs citing Protocol Buffers 2 2 0
As % of all contract IT jobs advertised in the City of London 0.067% 0.061% -
As % of the Libraries, Frameworks & Software Standards category 0.19% 0.19% -
Number of daily rates quoted 0 2 0
Median daily rate - £425 -
UK excluding London median daily rate - £425 -
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

Protocol Buffers is in the industry standards, technical specifications and software library and framework skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in the City of London with a requirement for industry standards, technical specifications and software library and framework skills.

Contract Software Library & Framework Skills
City of London
Contract job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 1037 1068 1521
As % of all contract IT job vacancies advertised in the City of London 34.90% 32.67% 30.40%
Number of daily rates quoted 861 902 1209
Median daily rate £475 £463 £425
Median daily rate % change year-on-year +2.70% +8.82%  
90% offered a daily rate of more than £338 £325 £313
10% offered a daily rate of more than £625 £600 £575
UK excluding London median daily rate £375 £363 £350
% change year-on-year +3.44% +3.57%  
Number of hourly rates quoted 1 4 6
Median hourly rate £35.00 £55.00 £27.37
Median hourly rate % change year-on-year -36.36% +100.94%  
UK excluding London median hourly rate £40.00 £38.00 £36.00
% change year-on-year +5.26% +5.55%  

Protocol Buffers
Job Vacancy Trend in the City of London

The job posting trend of jobs advertised in the City of London citing Protocol Buffers as a proportion of all contract or permanent IT jobs with a match in the Libraries, Frameworks & Software Standards category.

Job vacancy trend for Protocol Buffers in the City of London

Protocol Buffers
Contractor Daily Rate Trend in the City of London

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Protocol Buffers in the City of London.

Contractor daily rate trend for Protocol Buffers in the City of London

Protocol Buffers
Top 30 Related IT Skills in the City of London

For the 6 months to 22 March 2017, IT contractor jobs citing Protocol Buffers also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the City of London region with a requirement for Protocol Buffers.

1 13 (100.00%) Python
1 13 (100.00%) Agile Software Development
1 13 (100.00%) TDD
1 13 (100.00%) JSON
1 13 (100.00%) Microsoft Azure
1 13 (100.00%) DevOps
1 13 (100.00%) Public Cloud
2 11 (84.62%) Microservices
2 11 (84.62%) Jenkins
2 11 (84.62%) Kafka
2 11 (84.62%) Amazon AWS
2 11 (84.62%) BDD
2 11 (84.62%) High Availability
2 11 (84.62%) Pair Programming
2 11 (84.62%) C
2 11 (84.62%) Java
3 9 (69.23%) HTTP
4 8 (61.54%) RTSP
4 8 (61.54%) Video on Demand
4 8 (61.54%) MQTT
5 2 (15.38%) Change Management
5 2 (15.38%) Finance
5 2 (15.38%) Streaming Video
5 2 (15.38%) Grid Computing
5 2 (15.38%) Microsoft
5 2 (15.38%) Windows
5 2 (15.38%) Spring
5 2 (15.38%) Test Strategy
5 2 (15.38%) Node.js
5 2 (15.38%) Elasticsearch

Protocol Buffers
Top Related IT Skills in the City of 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 2 (15.38%) Elasticsearch
2 1 (7.69%) Apache
2 1 (7.69%) Apache Airflow
Cloud Services
1 13 (100.00%) Microsoft Azure
2 11 (84.62%) Amazon AWS
Communications & Networking
1 9 (69.23%) HTTP
2 8 (61.54%) MQTT
2 8 (61.54%) RTSP
Database & Business Intelligence
1 2 (15.38%) Relational Database
Development Applications
1 11 (84.62%) Jenkins
General
1 2 (15.38%) Finance
Job Titles
1 11 (84.62%) Developer
1 11 (84.62%) Java Developer
2 6 (46.15%) Senior Developer
2 6 (46.15%) Senior Java Developer
3 2 (15.38%) Agile Developer
3 2 (15.38%) Agile Java Developer
3 2 (15.38%) AWS Developer
3 2 (15.38%) Senior Agile Developer
3 2 (15.38%) Senior Agile Java Developer
4 1 (7.69%) Consultant
4 1 (7.69%) Core Java Developer
4 1 (7.69%) Grid Consultant
Libraries, Frameworks & Software Standards
1 13 (100.00%) JSON
2 11 (84.62%) Kafka
3 2 (15.38%) Apache Avro
3 2 (15.38%) Node.js
3 2 (15.38%) Spring
4 1 (7.69%) .NET
Miscellaneous
1 13 (100.00%) Public Cloud
2 8 (61.54%) Video on Demand
3 2 (15.38%) Grid Computing
3 2 (15.38%) Streaming Video
4 1 (7.69%) Derivative
Operating Systems
1 2 (15.38%) Windows
2 1 (7.69%) Windows Server
2 1 (7.69%) Windows Server 2012
Processes & Methodologies
1 13 (100.00%) Agile Software Development
1 13 (100.00%) DevOps
1 13 (100.00%) TDD
2 11 (84.62%) BDD
2 11 (84.62%) High Availability
2 11 (84.62%) Microservices
2 11 (84.62%) Pair Programming
3 2 (15.38%) Change Management
3 2 (15.38%) Continuous Delivery
3 2 (15.38%) Test Strategy
Programming Languages
1 13 (100.00%) Python
2 11 (84.62%) C
2 11 (84.62%) Java
3 1 (7.69%) C#
Qualifications
1 1 (7.69%) CFA
1 1 (7.69%) Degree
Vendors
1 2 (15.38%) Microsoft