The following table provides summary statistics for contract job vacancies 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 25 April 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.

Google Protocol Buffers (protobuf)
UK
3 months to
25 Apr 2017
Same period 2016 Same period 2015
Rank 584 647 646
Rank change year-on-year +63 -1  
Contract jobs citing Protocol Buffers 20 6 2
As % of all contract IT jobs advertised in the UK 0.043% 0.011% 0.004%
As % of the Libraries, Frameworks & Software Standards category 0.14% 0.039% 0.013%
Number of daily rates quoted 13 6 1
Median daily rate £540 £465 £275
Median daily rate % change year-on-year +16.12% +69.09%  
UK excluding London median daily rate £525 £425 £275
% change year-on-year +23.52% +54.54%  
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 with a requirement for industry standards, technical specifications and software library and framework skills.

Contract Software Library & Framework Skills
UK
Contract job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 14629 15569 15177
As % of all contract IT job vacancies advertised in the UK 31.56% 27.86% 26.74%
Number of daily rates quoted 10156 10869 9835
Median daily rate £425 £413 £388
Median daily rate % change year-on-year +3.03% +6.45%  
90% offered a daily rate of more than £300 £300 £275
10% offered a daily rate of more than £575 £575 £550
UK excluding London median daily rate £375 £375 £350
% change year-on-year - +7.14%  
Number of hourly rates quoted 194 192 203
Median hourly rate £41.75 £36.00 £35.00
Median hourly rate % change year-on-year +15.97% +2.85%  
90% offered a hourly rate of more than £16.75 £11.00 £17.86
10% offered a hourly rate of more than £53.25 £57.00 £46.09
UK excluding London median hourly rate £41.50 £37.50 £36.25
% change year-on-year +10.66% +3.44%  

Protocol Buffers
Job Vacancy Trend

The job posting trend of jobs advertised 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 UK

Protocol Buffers
Contractor Daily Rate Trend

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

Contractor daily rate trend for Protocol Buffers in the UK

Protocol Buffers
Contractor Daily Rate Histogram

The daily rate distribution of IT jobs citing Protocol Buffers over the 3 months to 25 April 2017.

Contractor daily rate histogram for Protocol Buffers in the UK

Protocol Buffers
Contractor Hourly Rate Trend

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing Protocol Buffers.

Contractor hourly rate trend for Protocol Buffers in the UK

Protocol Buffers
Top 6 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Protocol Buffers within the UK over the 3 months to 25 April 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
England +47 15 £545 +17.20% 7
London +39 15 £545 +9.00% 6
Glasgow - 5 £525 -
Scotland - 5 £525 -
Canary Wharf - 3 £575 -
City of London - 2 - - 1

For the 6 months to 25 April 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 with a requirement for Protocol Buffers.

1 37 (90.24%) Java
2 32 (78.05%) Agile Software Development
3 31 (75.61%) Banking
4 28 (68.29%) SQL
5 26 (63.41%) OO
5 26 (63.41%) JSON
5 26 (63.41%) Relational Database
6 25 (60.98%) Unix
6 25 (60.98%) Finance
7 24 (58.54%) Scrum
7 24 (58.54%) XML
7 24 (58.54%) SOAP
7 24 (58.54%) Spring
7 24 (58.54%) Maven
8 23 (56.10%) Git (software)
8 23 (56.10%) Gradle
9 22 (53.66%) Jenkins
9 22 (53.66%) OOA/OOD
10 21 (51.22%) Shell Script
10 21 (51.22%) DB2
11 20 (48.78%) Ant
11 20 (48.78%) Perforce
11 20 (48.78%) Hudson
11 20 (48.78%) MiFID
11 20 (48.78%) Enterprise Architecture
12 18 (43.90%) Stakeholder Management
12 18 (43.90%) EMIR
13 17 (41.46%) Dodd-Frank
14 16 (39.02%) Microservices
14 16 (39.02%) Domain-Driven Design

Protocol Buffers
Co-occurring IT Skills 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 3 (7.32%) Oracle Coherence
2 2 (4.88%) Apache Spark
2 2 (4.88%) Elasticsearch
3 1 (2.44%) Apache
3 1 (2.44%) Apache Airflow
3 1 (2.44%) DataSynapse
3 1 (2.44%) MTS
Applications
1 1 (2.44%) Microsoft Excel
1 1 (2.44%) Spreadsheet
Business Applications
1 1 (2.44%) BondVision
Cloud Services
1 5 (12.20%) Microsoft Azure
2 2 (4.88%) Amazon AWS
Communications & Networking
1 1 (2.44%) HTTP
1 1 (2.44%) MQTT
1 1 (2.44%) RTP
1 1 (2.44%) RTSP
1 1 (2.44%) STUN
1 1 (2.44%) TCP/IP
Database & Business Intelligence
1 26 (63.41%) Relational Database
2 21 (51.22%) DB2
3 3 (7.32%) Hadoop
3 3 (7.32%) HBase
3 3 (7.32%) InterSystems Cache
3 3 (7.32%) Oracle Database
3 3 (7.32%) Oracle Database 11g
4 2 (4.88%) Big Data
4 2 (4.88%) Blockchain
4 2 (4.88%) MongoDB
4 2 (4.88%) NoSQL
5 1 (2.44%) Apache Cassandra
5 1 (2.44%) Cloudera CDH
5 1 (2.44%) Data Lake
5 1 (2.44%) KDB
5 1 (2.44%) RDBMS
Development Applications
1 24 (58.54%) Maven
2 23 (56.10%) Git (software)
2 23 (56.10%) Gradle
3 22 (53.66%) Jenkins
4 20 (48.78%) Ant
4 20 (48.78%) Hudson
5 5 (12.20%) JUnit
6 4 (9.76%) TeamCity
7 3 (7.32%) Mockito
8 2 (4.88%) JBehave
8 2 (4.88%) Subversion
9 1 (2.44%) Apache Ivy
9 1 (2.44%) Spock
General
1 31 (75.61%) Banking
2 25 (60.98%) Finance
3 12 (29.27%) Investment Banking
4 5 (12.20%) Legal
5 3 (7.32%) Front Office
Job Titles
1 35 (85.37%) Developer
2 33 (80.49%) Java Developer
3 8 (19.51%) Senior Developer
3 8 (19.51%) Senior Java Developer
4 7 (17.07%) Core Java Developer
5 6 (14.63%) Investment Banking Java Developer
6 2 (4.88%) Consultant
6 2 (4.88%) Grid Consultant
6 2 (4.88%) Java Engineer
6 2 (4.88%) Java Pricing Developer
6 2 (4.88%) NoSQL Developer
6 2 (4.88%) Report Developer
6 2 (4.88%) SQL Developer
6 2 (4.88%) Unix Developer
7 1 (2.44%) Analyst
7 1 (2.44%) Analyst Developer
7 1 (2.44%) Designer
7 1 (2.44%) Java Software Engineer
7 1 (2.44%) Lead Developer
7 1 (2.44%) Software Engineer
Libraries, Frameworks & Software Standards
1 26 (63.41%) JSON
2 24 (58.54%) SOAP
2 24 (58.54%) Spring
2 24 (58.54%) XML
3 7 (17.07%) Apache Avro
4 5 (12.20%) Kafka
5 4 (9.76%) JMS
5 4 (9.76%) Node.js
6 3 (7.32%) AngularJS
6 3 (7.32%) gRPC
6 3 (7.32%) HTML
6 3 (7.32%) HTML5
6 3 (7.32%) RESTful
6 3 (7.32%) Web Services
7 2 (4.88%) .NET
7 2 (4.88%) J2EE
7 2 (4.88%) RabbitMQ
7 2 (4.88%) REST
7 2 (4.88%) RxJava
8 1 (2.44%) Ultra Messaging
Miscellaneous
1 9 (21.95%) Derivative
2 7 (17.07%) OTC Derivatives
3 4 (9.76%) Computer Science
3 4 (9.76%) Greenfield Project
4 3 (7.32%) Algorithms
4 3 (7.32%) Analytical Skills
4 3 (7.32%) Grid Computing
4 3 (7.32%) Public Cloud
4 3 (7.32%) Reference Data
5 2 (4.88%) Data Structures
5 2 (4.88%) Equities
5 2 (4.88%) N-Tier
6 1 (2.44%) Fintech
6 1 (2.44%) Fixed Income
6 1 (2.44%) Foreign Exchange (FX)
6 1 (2.44%) MPEG
6 1 (2.44%) Streaming Video
6 1 (2.44%) Video on Demand
Operating Systems
1 25 (60.98%) Unix
2 6 (14.63%) Linux
3 4 (9.76%) Windows
4 3 (7.32%) Windows Server
5 2 (4.88%) Windows Server 2012
6 1 (2.44%) Android
6 1 (2.44%) Apple iOS
Processes & Methodologies
1 32 (78.05%) Agile Software Development
2 26 (63.41%) OO
3 24 (58.54%) Scrum
4 22 (53.66%) OOA/OOD
5 20 (48.78%) Enterprise Architecture
6 18 (43.90%) Stakeholder Management
7 16 (39.02%) Domain-Driven Design
7 16 (39.02%) Microservices
8 15 (36.59%) Refactoring
9 7 (17.07%) TDD
10 5 (12.20%) Anti-Money Laundering
10 5 (12.20%) Multithreading
11 4 (9.76%) Continuous Delivery
11 4 (9.76%) OOD
11 4 (9.76%) SDLC
12 3 (7.32%) Change Management
12 3 (7.32%) DevOps
12 3 (7.32%) Electronic Trading
12 3 (7.32%) High Availability
12 3 (7.32%) Multithreaded Programming
Programming Languages
1 37 (90.24%) Java
2 28 (68.29%) SQL
3 21 (51.22%) Shell Script
4 4 (9.76%) C#
4 4 (9.76%) Python
5 3 (7.32%) Go
5 3 (7.32%) Groovy
5 3 (7.32%) JavaScript
6 2 (4.88%) C++
7 1 (2.44%) C
7 1 (2.44%) Objective-C
7 1 (2.44%) Scala
Qualifications
1 6 (14.63%) Degree
2 1 (2.44%) CFA
Quality Assurance & Compliance
1 20 (48.78%) MiFID
2 18 (43.90%) EMIR
3 17 (41.46%) Dodd-Frank
System Software
1 3 (7.32%) Docker
Systems Management
1 3 (7.32%) MOM
Vendors
1 20 (48.78%) Perforce
2 7 (17.07%) Google
3 4 (9.76%) Solace
3 4 (9.76%) Sybase
4 3 (7.32%) Microsoft
4 3 (7.32%) Oracle
5 1 (2.44%) Bloomberg
5 1 (2.44%) Brightcove
5 1 (2.44%) eSpeed
5 1 (2.44%) MarketAxess
5 1 (2.44%) TIBCO
5 1 (2.44%) Tradeweb