Period
to 30 July 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 30 July 2021 with a comparison to the same period in the previous 2 years.

C
UK > Work from Home
6 months to
30 Jul 2021
Same period 2020 Same period 2019
Rank 136 133 150
Rank change year-on-year -3 +17 -7
Permanent jobs citing C 570 109 169
As % of all permanent jobs with a WFH option 2.48% 2.01% 2.09%
As % of the Programming Languages category 4.15% 3.20% 3.63%
Number of salaries quoted 429 88 137
10th Percentile £36,250 £26,250 £33,750
25th Percentile £46,250 £42,500 £41,250
Median annual salary (50th Percentile) £60,000 £56,250 £55,000
Median % change year-on-year +6.67% +2.27% -
75th Percentile £76,250 £79,563 £77,500
90th Percentile £86,250 £95,000 £92,500
UK median annual salary £55,000 £53,500 £50,000
% change year-on-year +2.80% +7.00% -

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 13,741 3,404 4,659
As % of all permanent jobs with a WFH option 59.88% 62.80% 57.57%
Number of salaries quoted 10,997 3,030 4,247
10th Percentile £36,250 £35,000 £33,750
25th Percentile £43,750 £42,500 £41,500
Median annual salary (50th Percentile) £57,500 £55,000 £55,000
Median % change year-on-year +4.55% - +10.00%
75th Percentile £75,000 £72,500 £72,500
90th Percentile £91,250 £85,000 £85,000
UK median annual salary £57,500 £55,000 £52,500
% change year-on-year +4.55% +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 30 July 2021.

C salary histogram for jobs with a WFH option

For the 6 months to 30 July 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.

1 284 (49.82%) C++
2 204 (35.79%) Python
3 180 (31.58%) Software Engineering
4 140 (24.56%) Java
5 132 (23.16%) Linux
6 125 (21.93%) Social Skills
7 119 (20.88%) Agile Software Development
8 108 (18.95%) Finance
9 94 (16.49%) SQL
10 91 (15.96%) Problem-Solving
11 76 (13.33%) Firmware
12 75 (13.16%) Algorithms
13 68 (11.93%) Data Science
13 68 (11.93%) JavaScript
13 68 (11.93%) Degree
14 66 (11.58%) Computer Science
15 65 (11.40%) PhD
16 64 (11.23%) Wi-Fi
17 63 (11.05%) Azure
17 63 (11.05%) Artificial Intelligence
18 61 (10.70%) Marketing
19 60 (10.53%) AWS
20 59 (10.35%) DevOps
21 57 (10.00%) PostgreSQL
22 56 (9.82%) Go
23 55 (9.65%) Wireless
24 54 (9.47%) Embedded C
25 51 (8.95%) Git (software)
26 50 (8.77%) Docker
26 50 (8.77%) CSS

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 22 (3.86%) SAS
2 5 (0.88%) Oracle SOA Suite
3 4 (0.70%) Confluence
4 3 (0.53%) Apache Spark
4 3 (0.53%) WebSphere
5 2 (0.35%) SharePoint
6 1 (0.18%) CICS
6 1 (0.18%) CMS
6 1 (0.18%) MQSeries
6 1 (0.18%) nginx
6 1 (0.18%) Skype for Business
6 1 (0.18%) Tomcat
6 1 (0.18%) WinCC
Applications
1 5 (0.88%) AutoCAD
1 5 (0.88%) InVision
1 5 (0.88%) Microsoft Excel
1 5 (0.88%) Microsoft Office
1 5 (0.88%) Simulink
1 5 (0.88%) Sketch
2 3 (0.53%) Adobe Creative Suite
3 2 (0.35%) Adobe Illustrator
3 2 (0.35%) Figma
3 2 (0.35%) Microsoft PowerPoint
3 2 (0.35%) Photoshop
3 2 (0.35%) Zeplin
4 1 (0.18%) Microsoft Project
4 1 (0.18%) OrCAD
Business Applications
1 8 (1.40%) Dynamics NAV
2 7 (1.23%) NetSuite
3 5 (0.88%) Dynamics CRM
4 3 (0.53%) Oracle ERP
5 2 (0.35%) Cerner Millennium
5 2 (0.35%) Sage 300 ERP
5 2 (0.35%) SAP Business One
5 2 (0.35%) Unit4 Business World
6 1 (0.18%) Dynamics AX
6 1 (0.18%) JDE EnterpriseOne
6 1 (0.18%) Oracle Retail
6 1 (0.18%) Sentinel
Cloud Services
1 63 (11.05%) Azure
2 60 (10.53%) AWS
3 30 (5.26%) GCP
4 15 (2.63%) GitHub
5 14 (2.46%) Microsoft 365
6 12 (2.11%) Power Platform
7 11 (1.93%) SaaS
8 7 (1.23%) DigitalOcean
8 7 (1.23%) Dynamics 365
8 7 (1.23%) IaaS
9 6 (1.05%) Amazon EKS
9 6 (1.05%) AWS CodePipeline
9 6 (1.05%) Google Analytics
9 6 (1.05%) PaaS
10 5 (0.88%) AWS CloudFormation
10 5 (0.88%) AWS CodeCommit
10 5 (0.88%) Azure Pipelines
10 5 (0.88%) OpenShift
10 5 (0.88%) Serverless
10 5 (0.88%) Snowflake
Communications & Networking
1 64 (11.23%) Wi-Fi
2 55 (9.65%) Wireless
3 35 (6.14%) DVB
3 35 (6.14%) MIMO
4 30 (5.26%) TCP/IP
5 26 (4.56%) Firewall
6 25 (4.39%) Ethernet
7 20 (3.51%) Bluetooth
8 18 (3.16%) Internet
8 18 (3.16%) MQTT
9 14 (2.46%) Broadband
10 11 (1.93%) WAN
11 10 (1.75%) BGP
11 10 (1.75%) OSPF
12 9 (1.58%) L2TP
12 9 (1.58%) MPLS
12 9 (1.58%) Multicast
12 9 (1.58%) RSVP
12 9 (1.58%) VPN
12 9 (1.58%) VRRP
Database & Business Intelligence
1 57 (10.00%) PostgreSQL
2 34 (5.96%) Big Data
3 32 (5.61%) Redis
4 13 (2.28%) Neo4j
5 12 (2.11%) Amazon Redshift
5 12 (2.11%) Redshift Spectrum
6 11 (1.93%) Relational Database
7 10 (1.75%) NoSQL
8 9 (1.58%) Data Warehouse
8 9 (1.58%) MySQL
9 8 (1.40%) Power BI
9 8 (1.40%) SQL Server
10 5 (0.88%) MongoDB
10 5 (0.88%) Oracle BI Publisher
10 5 (0.88%) Tableau
11 3 (0.53%) Data Mining
11 3 (0.53%) Looker
11 3 (0.53%) Oracle ODI
11 3 (0.53%) SAP HANA
11 3 (0.53%) SQL Server 2016
Development Applications
1 51 (8.95%) Git (software)
2 18 (3.16%) GitLab
3 15 (2.63%) JIRA
4 12 (2.11%) Jenkins
5 10 (1.75%) Eclipse
6 8 (1.40%) GCC
6 8 (1.40%) Oracle Forms
6 8 (1.40%) ProC
6 8 (1.40%) Visual Studio
7 6 (1.05%) Grunt
7 6 (1.05%) gulp
7 6 (1.05%) JUnit
7 6 (1.05%) Oracle APEX
8 5 (0.88%) Vagrant
9 4 (0.70%) Bitbucket
9 4 (0.70%) GDB
9 4 (0.70%) Maven
9 4 (0.70%) Mocha
9 4 (0.70%) Mockito
10 3 (0.53%) Subversion
General
1 125 (21.93%) Social Skills
2 108 (18.95%) Finance
3 61 (10.70%) Marketing
4 47 (8.25%) Analytical Skills
5 44 (7.72%) Electronics
6 41 (7.19%) Banking
6 41 (7.19%) Retail
7 27 (4.74%) Telecoms
8 24 (4.21%) Games
9 23 (4.04%) Automotive
10 16 (2.81%) Legal
11 13 (2.28%) Manufacturing
12 11 (1.93%) Law
13 10 (1.75%) Aerospace
13 10 (1.75%) Public Sector
14 9 (1.58%) Organisational Skills
15 6 (1.05%) Documentation Skills
16 5 (0.88%) Presentation Skills
17 4 (0.70%) Influencing Skills
17 4 (0.70%) Publishing
Job Titles
1 133 (23.33%) Developer
2 103 (18.07%) Software Engineer
3 64 (11.23%) Embedded Engineer
4 56 (9.82%) Embedded Software Engineer
5 37 (6.49%) Architect
6 36 (6.32%) Algorithm Engineer
6 36 (6.32%) Senior Algorithm Engineer
7 35 (6.14%) DSP Algorithm Engineer
7 35 (6.14%) DSP Engineer
7 35 (6.14%) Linux Engineer
7 35 (6.14%) Senior DSP Engineer
7 35 (6.14%) Wireless Engineer
8 34 (5.96%) C++ Software Engineer
9 28 (4.91%) Analyst
10 27 (4.74%) C Software Engineer
10 27 (4.74%) Senior Developer
11 26 (4.56%) Firmware Engineer
12 25 (4.39%) Embedded Developer
13 24 (4.21%) Embedded C++ Engineer
13 24 (4.21%) Embedded C++ Software Engineer
Libraries, Frameworks & Software Standards
1 50 (8.77%) CSS
2 48 (8.42%) HTML
3 42 (7.37%) REST
4 36 (6.32%) .NET
4 36 (6.32%) React
5 31 (5.44%) Django
6 28 (4.91%) Node.js
7 25 (4.39%) AngularJS
8 24 (4.21%) NumPy
9 23 (4.04%) Vue.js
10 22 (3.86%) Yocto
11 21 (3.68%) Kafka
12 18 (3.16%) Celery
13 14 (2.46%) HTML5
13 14 (2.46%) Torch
13 14 (2.46%) XML
14 13 (2.28%) gRPC
15 10 (1.75%) .NET Core
15 10 (1.75%) Keras
15 10 (1.75%) scikit-learn
Miscellaneous
1 75 (13.16%) Algorithms
2 42 (7.37%) Field-Programmable Gate Array
3 34 (5.96%) Self-Motivation
4 26 (4.56%) User Experience
5 25 (4.39%) Embedded Systems
6 24 (4.21%) Device Driver
7 21 (3.68%) Hedge funds
8 19 (3.33%) Virtual Team
9 15 (2.63%) Augmented Reality
10 11 (1.93%) NHS
11 10 (1.75%) Data Centre
11 10 (1.75%) Mobile App
11 10 (1.75%) Public Cloud
12 9 (1.58%) Enterprise Software
13 8 (1.40%) Data Structures
13 8 (1.40%) Management Information System
14 7 (1.23%) Client/Server
15 6 (1.05%) Raspberry Pi
15 6 (1.05%) Social Media
15 6 (1.05%) SystemC
Operating Systems
1 132 (23.16%) Linux
2 36 (6.32%) Windows
3 34 (5.96%) Embedded Linux
4 33 (5.79%) Unix
5 25 (4.39%) Android
6 9 (1.58%) Apple iOS
7 4 (0.70%) Mac OS
8 3 (0.53%) Robot Operating System
9 2 (0.35%) Debian
9 2 (0.35%) Ubuntu
9 2 (0.35%) Windows Server
10 1 (0.18%) FreeRTOS
10 1 (0.18%) Mac OS X
10 1 (0.18%) QNX Neutrino
10 1 (0.18%) Red Hat Enterprise Linux
10 1 (0.18%) SafeRTOS
10 1 (0.18%) VxWorks
10 1 (0.18%) Windows 10
Processes & Methodologies
1 180 (31.58%) Software Engineering
2 119 (20.88%) Agile Software Development
3 91 (15.96%) Problem-Solving
4 68 (11.93%) Data Science
5 66 (11.58%) Computer Science
6 63 (11.05%) Artificial Intelligence
7 59 (10.35%) DevOps
8 38 (6.67%) Analytics
8 38 (6.67%) Signal Processing
9 35 (6.14%) Decision-Making
9 35 (6.14%) SDLC
9 35 (6.14%) TDD
10 33 (5.79%) Machine Learning
10 33 (5.79%) Scrum
11 31 (5.44%) Mathematics
12 30 (5.26%) Microservices
12 30 (5.26%) OOP
13 29 (5.09%) Full Stack Development
14 26 (4.56%) Clean Code
14 26 (4.56%) Software Testing
Programming Languages
1 284 (49.82%) C++
2 204 (35.79%) Python
3 140 (24.56%) Java
4 94 (16.49%) SQL
5 68 (11.93%) JavaScript
6 56 (9.82%) Go
7 54 (9.47%) Embedded C
8 50 (8.77%) MATLAB
9 49 (8.60%) C#
10 47 (8.25%) Embedded C++
11 29 (5.09%) Ruby
12 28 (4.91%) Shell Script
13 25 (4.39%) R
14 22 (3.86%) Cython
14 22 (3.86%) TypeScript
15 19 (3.33%) Bash Shell
16 15 (2.63%) Perl
17 14 (2.46%) Rust
18 12 (2.11%) PL/SQL
19 11 (1.93%) Scala
Qualifications
1 68 (11.93%) Degree
2 65 (11.40%) PhD
3 13 (2.28%) Cisco Certification
4 10 (1.75%) CISSP
4 10 (1.75%) Security Cleared
5 9 (1.58%) CCNP
5 9 (1.58%) JNCIP
6 8 (1.40%) CISM
7 6 (1.05%) HNC
7 6 (1.05%) SC Cleared
8 5 (0.88%) CISA
9 4 (0.70%) Computer Science Degree
9 4 (0.70%) OSCP
10 3 (0.53%) (ISC)2 CCSP
10 3 (0.53%) CEH
10 3 (0.53%) CompTIA Security+
10 3 (0.53%) CREST Certified
11 2 (0.35%) HND
11 2 (0.35%) PMP
11 2 (0.35%) PRINCE2 Certification
Quality Assurance & Compliance
1 24 (4.21%) QA
2 13 (2.28%) GDPR
3 8 (1.40%) MISRA
4 6 (1.05%) ISO/IEC 27001
4 6 (1.05%) PMO
5 4 (0.70%) Cyber Essentials
5 4 (0.70%) ISO 26262
6 3 (0.53%) Cyber Essentials PLUS
6 3 (0.53%) Data Quality
6 3 (0.53%) PCI DSS
6 3 (0.53%) SEPA
7 2 (0.35%) IEC 61508
7 2 (0.35%) ISO 15022
7 2 (0.35%) ISO 20022
7 2 (0.35%) NIST
7 2 (0.35%) Solvency II
8 1 (0.18%) Accessibility
8 1 (0.18%) Def Stans
8 1 (0.18%) IASME
8 1 (0.18%) MISRA C
System Software
1 76 (13.33%) Firmware
2 50 (8.77%) Docker
3 8 (1.40%) Active Directory
4 1 (0.18%) Hyper-V
4 1 (0.18%) iptables
4 1 (0.18%) KVM
4 1 (0.18%) Terminal Services
4 1 (0.18%) Varnish
4 1 (0.18%) VirtualBox
4 1 (0.18%) VMware ESXi
4 1 (0.18%) VMware Infrastructure
4 1 (0.18%) vSphere
4 1 (0.18%) Xen
Systems Management
1 40 (7.02%) Kubernetes
2 35 (6.14%) Ansible
3 26 (4.56%) Terraform
4 8 (1.40%) Puppet
5 7 (1.23%) Opscode Chef
6 6 (1.05%) FlexNet
6 6 (1.05%) SCCM
7 3 (0.53%) Grafana
8 2 (0.35%) Nessus
9 1 (0.18%) BMC Marimba
9 1 (0.18%) Cacti
9 1 (0.18%) FortiGate
9 1 (0.18%) Microsoft Intune
9 1 (0.18%) Nagios
9 1 (0.18%) QRadar
9 1 (0.18%) ZABBIX
Vendors
1 43 (7.54%) Microsoft
2 36 (6.32%) Oracle
3 21 (3.68%) Google
3 21 (3.68%) Yahoo!
4 19 (3.33%) SAP
5 14 (2.46%) IBM
6 13 (2.28%) Cisco
7 12 (2.11%) Fortinet
7 12 (2.11%) Palo Alto
7 12 (2.11%) Salesforce.com
8 9 (1.58%) Juniper
9 8 (1.40%) JD Edwards
9 8 (1.40%) Sage
10 6 (1.05%) ANSYS
10 6 (1.05%) Bloomberg
11 5 (0.88%) Alibaba
11 5 (0.88%) HP
12 4 (0.70%) Atlassian
12 4 (0.70%) Frango
13 3 (0.53%) Xilinx