Period
to 15 October 2021

The table below provides summary statistics for permanent job vacancies with an option to work from home (WFH) and a requirement for C skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited C over the 6 months to 15 October 2021 with a comparison to the same period in the previous 2 years.

C
UK > Work from Home
6 months to
15 Oct 2021
Same period 2020 Same period 2019
Rank 156 169 131
Rank change year-on-year +13 -38 +18
Permanent jobs citing C 572 89 187
As % of all permanent jobs with a WFH option 2.09% 1.48% 2.43%
As % of the Programming Languages category 3.64% 2.31% 4.13%
Number of salaries quoted 477 77 152
10th Percentile £41,250 £30,350 £32,500
25th Percentile £48,750 £45,000 £42,500
Median annual salary (50th Percentile) £60,000 £57,500 £57,500
Median % change year-on-year +4.35% - +4.55%
75th Percentile £73,750 £68,750 £75,000
90th Percentile £85,000 £80,500 £95,000
UK median annual salary £57,500 £55,000 £50,000
% change year-on-year +4.55% +10.00% -

C is in the Programming Languages category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies with a WFH option and a requirement for coding skills.

All Programming Languages
Work from Home
Permanent vacancies with a requirement for coding skills 15,727 3,859 4,528
As % of all permanent jobs with a WFH option 57.39% 64.18% 58.85%
Number of salaries quoted 12,540 3,511 4,087
10th Percentile £37,500 £36,000 £33,750
25th Percentile £45,000 £42,500 £41,750
Median annual salary (50th Percentile) £60,000 £55,000 £55,000
Median % change year-on-year +9.09% - +4.76%
75th Percentile £77,500 £70,000 £72,500
90th Percentile £93,750 £85,000 £85,000
UK median annual salary £60,000 £55,000 £52,500
% change year-on-year +9.09% +4.76% +5.00%

C
Trend for Jobs with a WFH Option

Job vacancies with a work from home option citing C as a proportion of all IT jobs advertised.

C trend for jobs with a WFH option

C
Salary Trend for Jobs with a WFH Option

3-month moving average salary quoted in job vacancies with a work from home option citing C.

C salary trend for jobs with a WFH option

C
Salary Histogram for Jobs with a WFH Option

Salary distribution for jobs with a work from home option citing C over the 6 months to 15 October 2021.

C salary histogram for jobs with a WFH option

For the 6 months to 15 October 2021, C job roles required the following IT skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all permanent jobs with a WFH option and a requirement for C.

1 226 (39.51%) C++
2 176 (30.77%) Python
3 173 (30.24%) Agile Software Development
4 158 (27.62%) Software Engineering
5 136 (23.78%) Linux
6 112 (19.58%) Java
7 111 (19.41%) Finance
8 110 (19.23%) Azure
8 110 (19.23%) Social Skills
9 104 (18.18%) SQL
10 96 (16.78%) C#
11 88 (15.38%) DevOps
12 83 (14.51%) Firmware
13 82 (14.34%) JavaScript
14 77 (13.46%) AWS
15 73 (12.76%) TDD
16 70 (12.24%) .NET
17 68 (11.89%) Algorithms
18 66 (11.54%) CSS
19 63 (11.01%) HTML
19 63 (11.01%) Wi-Fi
20 62 (10.84%) Wireless
20 62 (10.84%) Marketing
21 61 (10.66%) Computer Science
22 59 (10.31%) Artificial Intelligence
23 58 (10.14%) Microsoft
24 56 (9.79%) Problem-Solving
25 54 (9.44%) Retail
26 52 (9.09%) Test Automation
27 51 (8.92%) PostgreSQL

C
Co-occurring IT Skills with a WFH Option 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 17 (2.97%) Confluence
2 8 (1.40%) Apache Spark
3 6 (1.05%) Elasticsearch
3 6 (1.05%) SAS
4 5 (0.87%) Cloud Foundry
4 5 (0.87%) CMS
4 5 (0.87%) Oracle SOA Suite
4 5 (0.87%) SharePoint
5 3 (0.52%) WebLogic
5 3 (0.52%) WebSphere
6 2 (0.35%) CICS
6 2 (0.35%) EPiServer
6 2 (0.35%) WinCC
7 1 (0.17%) MQSeries
7 1 (0.17%) nginx
7 1 (0.17%) Skype for Business
7 1 (0.17%) Tomcat
Applications
1 6 (1.05%) Figma
2 5 (0.87%) InVision
2 5 (0.87%) Microsoft Office
2 5 (0.87%) Sketch
3 3 (0.52%) Adobe Creative Suite
3 3 (0.52%) Microsoft Excel
3 3 (0.52%) Microsoft Project
3 3 (0.52%) Simulink
4 2 (0.35%) Adobe Illustrator
4 2 (0.35%) Microsoft PowerPoint
4 2 (0.35%) Photoshop
4 2 (0.35%) Zeplin
5 1 (0.17%) OrCAD
Business Applications
1 13 (2.27%) Dynamics NAV
2 6 (1.05%) NetSuite
3 4 (0.70%) Dynamics CRM
3 4 (0.70%) Shopify
4 3 (0.52%) Maximo
4 3 (0.52%) Oracle ERP
4 3 (0.52%) SAP S/4HANA
5 2 (0.35%) Dynamics AX
5 2 (0.35%) Sage 300 ERP
5 2 (0.35%) SAP Business One
6 1 (0.17%) JDE EnterpriseOne
6 1 (0.17%) MFGPRO
6 1 (0.17%) Oracle Financials
6 1 (0.17%) Oracle Retail
6 1 (0.17%) SAP SD
6 1 (0.17%) Sentinel
6 1 (0.17%) Sparx Enterprise Architect
6 1 (0.17%) Unit4 Business World
Cloud Services
1 110 (19.23%) Azure
2 77 (13.46%) AWS
3 28 (4.90%) GitHub
4 27 (4.72%) GCP
5 18 (3.15%) SaaS
6 13 (2.27%) Serverless
7 11 (1.92%) AWS CodePipeline
7 11 (1.92%) Microsoft 365
8 10 (1.75%) AWS CloudFormation
8 10 (1.75%) AWS CodeCommit
8 10 (1.75%) OpenShift
9 9 (1.57%) DigitalOcean
9 9 (1.57%) Dynamics 365
9 9 (1.57%) IBM Cloud
10 8 (1.40%) AWS Lambda
10 8 (1.40%) IaaS
11 7 (1.22%) CloudFront
11 7 (1.22%) Power Platform
12 6 (1.05%) PaaS
12 6 (1.05%) Snowflake
Communications & Networking
1 63 (11.01%) Wi-Fi
2 62 (10.84%) Wireless
3 43 (7.52%) TCP/IP
4 31 (5.42%) DVB
4 31 (5.42%) MIMO
5 30 (5.24%) Ethernet
6 26 (4.55%) MQTT
7 25 (4.37%) Bluetooth
7 25 (4.37%) Broadband
8 21 (3.67%) Internet
9 19 (3.32%) Firewall
10 15 (2.62%) WAN
11 10 (1.75%) SD-WAN
12 9 (1.57%) DNS
13 6 (1.05%) PBX
13 6 (1.05%) RTP
14 5 (0.87%) IPv4
14 5 (0.87%) LAN
14 5 (0.87%) Unified Communications
15 4 (0.70%) VoIP
Database & Business Intelligence
1 51 (8.92%) PostgreSQL
2 22 (3.85%) Big Data
3 20 (3.50%) Relational Database
4 17 (2.97%) SQL Server
5 15 (2.62%) Redis
6 12 (2.10%) Amazon Redshift
6 12 (2.10%) MySQL
6 12 (2.10%) Redshift Spectrum
7 10 (1.75%) NoSQL
8 6 (1.05%) Data Warehouse
8 6 (1.05%) MongoDB
8 6 (1.05%) SAP HANA
9 5 (0.87%) Neo4j
9 5 (0.87%) Oracle BI Publisher
9 5 (0.87%) Power BI
9 5 (0.87%) RDBMS
9 5 (0.87%) Tableau
10 4 (0.70%) Azure SQL Data Warehouse
10 4 (0.70%) Looker
10 4 (0.70%) Snowflake Schema
Development Applications
1 48 (8.39%) Git (software)
2 31 (5.42%) Jenkins
3 27 (4.72%) GitLab
3 27 (4.72%) JIRA
4 14 (2.45%) Bitbucket
5 10 (1.75%) Visual Studio
6 9 (1.57%) Maven
6 9 (1.57%) Selenium
7 8 (1.40%) IntelliJ
7 8 (1.40%) Oracle Forms
7 8 (1.40%) ProC
7 8 (1.40%) SonarQube
8 7 (1.22%) Eclipse
9 6 (1.05%) Grunt
9 6 (1.05%) gulp
9 6 (1.05%) Oracle APEX
9 6 (1.05%) Postman
10 5 (0.87%) LoadRunner
10 5 (0.87%) NeoLoad
10 5 (0.87%) Vagrant
General
1 111 (19.41%) Finance
2 110 (19.23%) Social Skills
3 62 (10.84%) Marketing
4 54 (9.44%) Retail
5 30 (5.24%) Banking
6 28 (4.90%) Analytical Skills
7 25 (4.37%) Electronics
8 20 (3.50%) Games
9 15 (2.62%) Public Sector
10 12 (2.10%) Law
10 12 (2.10%) Telecoms
11 11 (1.92%) Legal
12 10 (1.75%) Organisational Skills
13 9 (1.57%) Aerospace
13 9 (1.57%) Presentation Skills
14 8 (1.40%) Automotive
14 8 (1.40%) Influencing Skills
14 8 (1.40%) Manufacturing
15 7 (1.22%) Inclusion and Diversity
16 4 (0.70%) Back Office
Job Titles
1 176 (30.77%) Developer
2 86 (15.03%) Software Engineer
3 62 (10.84%) Embedded Engineer
4 53 (9.27%) Embedded Software Engineer
5 45 (7.87%) C++ Software Engineer
5 45 (7.87%) Linux Engineer
6 41 (7.17%) Firmware Engineer
7 36 (6.29%) Embedded C++ Engineer
8 35 (6.12%) C Software Engineer
8 35 (6.12%) Senior Developer
9 34 (5.94%) Embedded C++ Software Engineer
10 33 (5.77%) Architect
10 33 (5.77%) C/C++ Software Engineer
11 32 (5.59%) Algorithm Engineer
11 32 (5.59%) Analyst
11 32 (5.59%) Embedded Linux Engineer
11 32 (5.59%) Senior Algorithm Engineer
12 31 (5.42%) DSP Algorithm Engineer
12 31 (5.42%) DSP Engineer
12 31 (5.42%) Wireless Engineer
Libraries, Frameworks & Software Standards
1 70 (12.24%) .NET
2 66 (11.54%) CSS
3 63 (11.01%) HTML
4 49 (8.57%) React
5 32 (5.59%) REST
6 31 (5.42%) .NET Core
6 31 (5.42%) Node.js
7 26 (4.55%) Django
8 20 (3.50%) Flask
9 19 (3.32%) AngularJS
9 19 (3.32%) Vue.js
10 18 (3.15%) HTML5
11 17 (2.97%) NumPy
12 16 (2.80%) Web Services
12 16 (2.80%) Yocto
13 15 (2.62%) Kafka
14 13 (2.27%) ASP.NET
14 13 (2.27%) XML
15 12 (2.10%) SQLAlchemy
16 10 (1.75%) GraphQL
Miscellaneous
1 68 (11.89%) Algorithms
2 39 (6.82%) Embedded Systems
3 36 (6.29%) Field-Programmable Gate Array
4 32 (5.59%) Device Driver
5 31 (5.42%) Mobile App
6 25 (4.37%) Greenfield Project
7 21 (3.67%) User Experience
8 18 (3.15%) NHS
9 16 (2.80%) Management Information System
10 13 (2.27%) Augmented Reality
11 12 (2.10%) Self-Motivation
12 11 (1.92%) Internet of Things
13 9 (1.57%) Data Centre
14 8 (1.40%) Hedge funds
14 8 (1.40%) Video Conferencing
14 8 (1.40%) Virtual Team
15 7 (1.22%) Public Cloud
16 6 (1.05%) Data Structures
16 6 (1.05%) Raspberry Pi
17 5 (0.87%) Robotics
Operating Systems
1 136 (23.78%) Linux
2 47 (8.22%) Unix
3 37 (6.47%) Windows
4 19 (3.32%) Android
4 19 (3.32%) Embedded Linux
5 13 (2.27%) Apple iOS
6 8 (1.40%) FreeRTOS
7 6 (1.05%) VxWorks
8 5 (0.87%) Mac OS
9 4 (0.70%) Robot Operating System
9 4 (0.70%) SafeRTOS
10 2 (0.35%) Debian
10 2 (0.35%) Ubuntu
11 1 (0.17%) Mac OS X
11 1 (0.17%) Red Hat Enterprise Linux
11 1 (0.17%) Windows 10
11 1 (0.17%) Windows Server
Processes & Methodologies
1 173 (30.24%) Agile Software Development
2 158 (27.62%) Software Engineering
3 88 (15.38%) DevOps
4 73 (12.76%) TDD
5 61 (10.66%) Computer Science
6 59 (10.31%) Artificial Intelligence
7 56 (9.79%) Problem-Solving
8 52 (9.09%) Test Automation
9 48 (8.39%) Microservices
10 44 (7.69%) Mentoring
10 44 (7.69%) User Stories
11 39 (6.82%) Data Science
12 37 (6.47%) Scrum
13 36 (6.29%) Full Stack Development
13 36 (6.29%) Machine Learning
14 35 (6.12%) OOP
14 35 (6.12%) Signal Processing
15 33 (5.77%) SDLC
16 32 (5.59%) Decision-Making
17 31 (5.42%) Requirements Gathering
Programming Languages
1 226 (39.51%) C++
2 176 (30.77%) Python
3 112 (19.58%) Java
4 104 (18.18%) SQL
5 96 (16.78%) C#
6 82 (14.34%) JavaScript
7 47 (8.22%) MATLAB
8 45 (7.87%) Go
9 41 (7.17%) Embedded C
10 38 (6.64%) Embedded C++
11 35 (6.12%) Shell Script
12 28 (4.90%) TypeScript
13 27 (4.72%) Ruby
14 19 (3.32%) Bash Shell
15 18 (3.15%) PowerShell
16 16 (2.80%) Perl
16 16 (2.80%) Rust
17 15 (2.62%) PHP
18 14 (2.45%) R
18 14 (2.45%) Scala
Qualifications
1 43 (7.52%) PhD
2 42 (7.34%) Degree
3 13 (2.27%) Security Cleared
4 9 (1.57%) SC Cleared
5 7 (1.22%) CISSP
5 7 (1.22%) Computer Science Degree
5 7 (1.22%) OSCP
6 6 (1.05%) CREST Certified
7 4 (0.70%) AWS Certification
7 4 (0.70%) Cisco Certification
7 4 (0.70%) PRINCE2 Certification
8 3 (0.52%) CISM
8 3 (0.52%) HND
8 3 (0.52%) Master's Degree
8 3 (0.52%) PMI Certification
8 3 (0.52%) PMP
9 2 (0.35%) CCNP
9 2 (0.35%) CESG Certified Professional
9 2 (0.35%) CISA
9 2 (0.35%) HNC
Quality Assurance & Compliance
1 10 (1.75%) QA
2 9 (1.57%) GDPR
3 6 (1.05%) ISO/IEC 27001
3 6 (1.05%) MISRA
3 6 (1.05%) PCI DSS
3 6 (1.05%) PMO
4 5 (0.87%) ISO/IEC 20000
5 4 (0.70%) Cyber Essentials
6 3 (0.52%) Cyber Essentials PLUS
6 3 (0.52%) ISO 26262
6 3 (0.52%) P3O
7 2 (0.35%) Accessibility
7 2 (0.35%) Def Stans
7 2 (0.35%) IEC 61508
7 2 (0.35%) ISO 15022
7 2 (0.35%) ISO 20022
7 2 (0.35%) ISO 9001
7 2 (0.35%) NCSC
7 2 (0.35%) SLA
7 2 (0.35%) Solvency II
System Software
1 83 (14.51%) Firmware
2 48 (8.39%) Docker
3 11 (1.92%) Active Directory
4 2 (0.35%) Virtual Desktop
5 1 (0.17%) Hyper-V
5 1 (0.17%) iptables
5 1 (0.17%) Terminal Services
5 1 (0.17%) VirtualBox
5 1 (0.17%) VMware Infrastructure
Systems Management
1 49 (8.57%) Kubernetes
2 35 (6.12%) Terraform
3 34 (5.94%) Ansible
4 17 (2.97%) Puppet
5 16 (2.80%) Opscode Chef
6 10 (1.75%) Grafana
7 6 (1.05%) Kibana
7 6 (1.05%) Nagios
7 6 (1.05%) SCCM
7 6 (1.05%) ZABBIX
8 5 (0.87%) Prometheus
9 2 (0.35%) nmon
10 1 (0.17%) BMC Marimba
10 1 (0.17%) Cacti
10 1 (0.17%) Cisco CUCM
10 1 (0.17%) Cisco UCCX
10 1 (0.17%) Microsoft Intune
10 1 (0.17%) Nessus
10 1 (0.17%) QRadar
10 1 (0.17%) Single Sign-On
Vendors
1 58 (10.14%) Microsoft
2 46 (8.04%) Oracle
3 23 (4.02%) Google
3 23 (4.02%) IBM
4 18 (3.15%) SAP
5 14 (2.45%) Salesforce.com
6 9 (1.57%) Splunk
7 8 (1.40%) AppDynamics
7 8 (1.40%) Dynatrace
7 8 (1.40%) Yahoo!
8 7 (1.22%) JD Edwards
8 7 (1.22%) Sage
8 7 (1.22%) VMware
9 5 (0.87%) Alibaba
9 5 (0.87%) Cisco
9 5 (0.87%) DocuSign
9 5 (0.87%) HubSpot
9 5 (0.87%) PagerDuty
9 5 (0.87%) Red Hat
9 5 (0.87%) Siebel