Job Vacancy Trend Salary Trend Salary Histogram Skill Sets
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