Period
to 23 January 2018

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 6 months to 23 January 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.

Google Protocol Buffers (protobuf)
UK
6 months to
23 Jan 2018
Same period 2017 Same period 2016
Rank 843 789 852
Rank change year-on-year -54 +63 +13
Contract jobs citing Protocol Buffers 25 63 14
As % of all contract IT jobs advertised in the UK 0.025% 0.066% 0.013%
As % of the Libraries, Frameworks & Software Standards category 0.078% 0.21% 0.045%
Number of daily rates quoted 15 50 13
UK median daily rate £550 £550 £550
10th Percentile £320 £412 £338
90th Percentile £575 £575 £725
UK excluding London median daily rate - - £338
Number of hourly rates quoted 0 0 0
UK median hourly rate - - -
UK excluding London median hourly rate - - -

Protocol Buffers 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 with a requirement for technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
UK
Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 32,242 30,283 30,940
As % of all contract IT jobs advertised in the UK 32.06% 31.51% 28.92%
Number of daily rates quoted 22,988 20,880 21,376
UK median daily rate £463 £425 £413
Median daily rate % change year-on-year +8.82% +3.03% +3.13%
10th Percentile £313 £300 £279
90th Percentile £625 £588 £588
UK excluding London median daily rate £400 £393 £375
% change year-on-year +1.78% +4.80% +4.17%
Number of hourly rates quoted 337 336 581
UK median hourly rate £40.00 £40.00 £37.50
Median hourly rate % change year-on-year - +6.67% +7.14%
10th Percentile £18.00 £15.25 £15.25
90th Percentile £53.00 £52.00 £55.55
UK excluding London median hourly rate £40.00 £38.50 £37.50
% change year-on-year +3.90% +2.67% +8.70%

Protocol Buffers
Job Vacancy Trend

Job postings citing Protocol Buffers as a percentage of all IT jobs advertised.

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 6 months to 23 January 2018.

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 5 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 6 months to 23 January 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
England -58 24 £550 - 6
London -71 23 £550 - 6
UK excluding London +9 2 - - 1
Scotland -20 1 - - 1
South East - 1 - -

For the 6 months to 23 January 2018, IT contractor jobs citing Protocol Buffers 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 with a requirement for Protocol Buffers.

1 19 (76.00%) Java
2 16 (64.00%) Git (software)
3 12 (48.00%) Banking
4 11 (44.00%) Agile Software Development
4 11 (44.00%) XML
4 11 (44.00%) JSON
4 11 (44.00%) Relational Database
5 10 (40.00%) Gradle
5 10 (40.00%) Maven
5 10 (40.00%) Finance
6 9 (36.00%) Shell Script
6 9 (36.00%) TDD
6 9 (36.00%) Degree
6 9 (36.00%) Apache Avro
7 8 (32.00%) Kafka
8 7 (28.00%) Investment Banking
8 7 (28.00%) Stakeholder Management
8 7 (28.00%) Unix
8 7 (28.00%) SOAP
9 6 (24.00%) DB2
9 6 (24.00%) Ant
9 6 (24.00%) C++
9 6 (24.00%) SQL
9 6 (24.00%) Linux
9 6 (24.00%) OO
9 6 (24.00%) Perforce
9 6 (24.00%) Lucene
9 6 (24.00%) Spring
9 6 (24.00%) Jenkins
9 6 (24.00%) FIX Protocol

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 6 (24.00%) Apache Solr
2 4 (16.00%) Elasticsearch
Business Applications
1 1 (4.00%) RMDS
Communications & Networking
1 5 (20.00%) AMQP
2 3 (12.00%) Kerberos
2 3 (12.00%) SSL
2 3 (12.00%) TCP/IP
3 1 (4.00%) Multicast
Database & Business Intelligence
1 11 (44.00%) Relational Database
2 6 (24.00%) DB2
3 5 (20.00%) KDB
3 5 (20.00%) PostgreSQL
4 3 (12.00%) Big Data
4 3 (12.00%) Hadoop
5 2 (8.00%) HBase
6 1 (4.00%) SQL Server
Development Applications
1 16 (64.00%) Git (software)
2 10 (40.00%) Gradle
2 10 (40.00%) Maven
3 6 (24.00%) Ant
3 6 (24.00%) Hudson
3 6 (24.00%) Jenkins
4 5 (20.00%) Mocha
4 5 (20.00%) NUnit
4 5 (20.00%) SpecFlow
5 4 (16.00%) Eclipse
5 4 (16.00%) Visual Studio
6 1 (4.00%) Babel
6 1 (4.00%) gulp
6 1 (4.00%) Subversion
6 1 (4.00%) webpack
General
1 12 (48.00%) Banking
2 10 (40.00%) Finance
3 7 (28.00%) Investment Banking
4 4 (16.00%) Legal
Job Titles
1 24 (96.00%) Developer
2 16 (64.00%) Java Developer
3 9 (36.00%) Senior Developer
4 5 (20.00%) Applications Developer
4 5 (20.00%) C# Application Developer
4 5 (20.00%) C# Developer
4 5 (20.00%) Senior Applications Developer
4 5 (20.00%) Senior C# Application Developer
4 5 (20.00%) Senior C# Developer
5 4 (16.00%) Elasticsearch Developer
5 4 (16.00%) Lucene Developer
5 4 (16.00%) Senior Java Developer
5 4 (16.00%) Solr Developer
6 3 (12.00%) Investment Banking Java Developer
6 3 (12.00%) Senior Investment Banking Java Developer
7 2 (8.00%) Big Data Developer
7 2 (8.00%) C++ Developer
7 2 (8.00%) Integration Developer
8 1 (4.00%) C++/C# Developer
8 1 (4.00%) Senior C++ Applications Developer
Libraries, Frameworks & Software Standards
1 11 (44.00%) JSON
1 11 (44.00%) XML
2 9 (36.00%) Apache Avro
3 8 (32.00%) Kafka
4 7 (28.00%) SOAP
5 6 (24.00%) FIX Protocol
5 6 (24.00%) Lucene
5 6 (24.00%) React
5 6 (24.00%) Spring
6 5 (20.00%) .NET
6 5 (20.00%) Dapper ORM
6 5 (20.00%) KnockoutJS
6 5 (20.00%) LINQ to SQL
6 5 (20.00%) Middleware
6 5 (20.00%) NancyFx
6 5 (20.00%) Reactive Extensions
6 5 (20.00%) Twitter Bootstrap
7 4 (16.00%) Apache Thrift
7 4 (16.00%) JSON Schema
8 3 (12.00%) J2EE
Miscellaneous
1 5 (20.00%) Algorithms
1 5 (20.00%) Equities
2 4 (16.00%) Data Structures
3 1 (4.00%) Analytical Skills
3 1 (4.00%) Computer Science
3 1 (4.00%) Fintech
3 1 (4.00%) Foreign Exchange (FX)
Operating Systems
1 7 (28.00%) Unix
2 6 (24.00%) Linux
3 1 (4.00%) Ubuntu
Processes & Methodologies
1 11 (44.00%) Agile Software Development
2 9 (36.00%) TDD
3 7 (28.00%) Stakeholder Management
4 6 (24.00%) OO
5 5 (20.00%) Domain-Driven Design
5 5 (20.00%) Enterprise Architecture
5 5 (20.00%) Microservices
5 5 (20.00%) OOA/OOD
5 5 (20.00%) Refactoring
5 5 (20.00%) Scrum
6 4 (16.00%) SDLC
6 4 (16.00%) Validation
7 3 (12.00%) EAI
8 2 (8.00%) Data Security
8 2 (8.00%) MapReduce
9 1 (4.00%) Data Protection
9 1 (4.00%) DevOps
9 1 (4.00%) Multithreading
9 1 (4.00%) Physics
9 1 (4.00%) Web Development
Programming Languages
1 19 (76.00%) Java
2 9 (36.00%) Shell Script
3 6 (24.00%) C++
3 6 (24.00%) SQL
4 5 (20.00%) C#
5 3 (12.00%) Python
5 3 (12.00%) Scala
6 2 (8.00%) Bash Shell
6 2 (8.00%) Perl
7 1 (4.00%) ES6
7 1 (4.00%) JavaScript
7 1 (4.00%) Objective-C
Qualifications
1 9 (36.00%) Degree
2 4 (16.00%) PhD
2 4 (16.00%) Sun Certification
3 1 (4.00%) Computer Science Degree
Quality Assurance & Compliance
1 5 (20.00%) Dodd-Frank
1 5 (20.00%) EMIR
1 5 (20.00%) MiFID
System Software
1 2 (8.00%) HDFS
2 1 (4.00%) Docker
Systems Management
1 2 (8.00%) Hadoop YARN
1 2 (8.00%) Terraform
2 1 (4.00%) Ansible
2 1 (4.00%) Kubernetes
Vendors
1 6 (24.00%) Perforce
2 4 (16.00%) Tableau
3 3 (12.00%) Hortonworks
4 1 (4.00%) Oracle
4 1 (4.00%) Reuters
4 1 (4.00%) Sybase