Technology in East of England

Software developer jobs in Southend-on-Sea

The 2021 census counted 1,846 residents working as information technology professionals living in Southend-on-Sea.

Software developer writing code at a desk in a UK technology office

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Published figures for Southend-on-Sea

What the official data says about Southend-on-Sea

At the 2021 census, 1,846 people living in Southend-on-Sea were in work as information technology professionals. It was 2.22% of everyone in work in the area. That count put Southend-on-Sea 10th of 11 areas in the East of England, where the middle area recorded 4,184. Luton was the next area up.

Full-time pay across all jobs in Southend-on-Sea, every occupation counted together, had a median of £31,748. That is 11th of 11 in the East of England, against a regional middle of £37,704. Work of this kind pays £55,852 across the region, which is £24,104 more than the typical Southend-on-Sea job, about 76% above it.

Where people live and where the technology work is are not the same map: Southend-on-Sea had 825 employee jobs in computer programming, consultancy and information services in 2024, out of 64,000 employee jobs in the area altogether. At 1.29% of every job here, that ranks 8th of 11 in the East of England, where the middle area sits at 1.7%.

Residents in work as IT professionals (SOC 213): 1,846
Median full-time pay for IT professionals across the East of England: £55,852
Employee jobs in the area in computer programming, consultancy and information services: 825
Computer programming, consultancy and information services, share of all employee jobs in the area: 1.29%
Median full-time pay across all jobs in the area: £31,748
Residents of the area in work at the census: 83,253
Employee jobs in the area, all industries: 64,000

Reporting period: ONS Census, 2021. ONS Business Register and Employment Survey, 2024. ONS Annual Survey of Hours and Earnings by occupation, 2025 provisional. ONS Annual Survey of Hours and Earnings, 2025.

Census counts are people who LIVED in Southend-on-Sea and were in work in that occupation in March 2021. They are not jobs located in the area, and they are not adverts. They are also published for a group of related occupations (minor group 213) rather than for a single job title, because that is the finest detail the census publishes at local authority level. That group covers software developers, IT managers, architects, analysts, cyber security specialists and IT project managers.

Job counts are employee jobs that exist in Southend-on-Sea, counted once a year by a survey of businesses. They are not adverts, and they are not a measure of how many roles are open. They count a different population from the census figures above, so the two are never divided by one another.

The pay figure for this occupation covers East of England, not Southend-on-Sea on its own. ONS does not publish pay by occupation at local authority level at all, so every area in the region shares this number and no narrower published figure exists.

The area pay figure covers every occupation in Southend-on-Sea together. It is the only pay figure published for the area itself, and it is not a pay figure for this role.

Medians, not averages. Half the jobs counted paid less than the figure shown. What any individual advert pays is on the advert.

The software developer role

Writing software that other people depend on, and staying responsible for it once it is running. Most of the job is reading existing code, understanding why it is the way it is, and changing it without breaking anything.

Full guide to software developer jobs

Software developer jobs in Southend-on-Sea: common questions

How many people do this kind of work in Southend-on-Sea?

1,846 residents of Southend-on-Sea were in work as IT professionals at the 2021 census, which was 2.22% of everyone in work there. That counts people who live in the area, whether or not they work there, and it is not a count of current vacancies.

What does this work pay around Southend-on-Sea?

Across the East of England, £55,852 is the median for IT professionals. In Southend-on-Sea itself the median across all occupations together is £31,748. ONS publishes pay by occupation for regions rather than for single councils, so the first figure covers the whole region. What any particular advert pays is on the advert.

Is there much of this work based in Southend-on-Sea?

825 of the 64,000 employee jobs in Southend-on-Sea are in the industries this role sits in, on the 2024 business survey. That counts jobs located in the area rather than people living there, and it is a count of jobs that exist, not of jobs being advertised.

Where these figures come from

Local occupation figures: ONS Census 2021, table TS064, occupation by minor group, accessed via NOMIS. Contains public sector information licensed under the Open Government Licence v3.0. Dataset page
Industry job counts: ONS Business Register and Employment Survey 2024, accessed via NOMIS. Contains public sector information licensed under the Open Government Licence v3.0. Dataset page
Pay by occupation: ONS Annual Survey of Hours and Earnings 2025 provisional, Table 14 (United Kingdom, four-digit SOC 2020) and Table 15 (work region, three-digit SOC 2020). Contains public sector information licensed under the Open Government Licence v3.0. Dataset page
Local pay figures: ONS Annual Survey of Hours and Earnings 2025, workplace analysis, accessed via NOMIS. Contains public sector information licensed under the Open Government Licence v3.0. Dataset page

Contains public sector information licensed under the Open Government Licence v3.0. Read the licence.

Figures are republished as the publisher released them for Southend-on-Sea. Where a figure is blank, the publisher withheld it to protect a small sample. Nothing on this page is estimated, modelled or filled in from a national average.