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Core QA300,000 residentsUpdated 2026-10-20

SDET jobs in Swansea, United Kingdom

A mid-level SDET in Swansea earns a median of £54k a year ($68k gross). Swansea has about 300,000 residents and is the 18th largest of the 20 United Kingdom cities we list. No SDET listing is based here today; United Kingdom has 16, and remote roles can be done from Swansea.

£54kmedian · mid-level · gross / year · $68k
p10 £44kp90 £65k
City factor 0.88×Rank 20 of 20
0Open SDET roles in Swansea
16Open in United Kingdom
£41k–£82kJunior to lead median / yr
3 hDaily overlap with US East
Openings

SDET roles near Swansea

No SDET listing is based in Swansea today, so these are the nearest in United Kingdom, then the levels we place here. Placement pay starts at the higher of the city and national median.

All SDET jobs in United Kingdom

"Talent pipeline" cards are the levels we place, not an employer's vacancy. Real postings are labelled "Market listing". How pay is set.

Pay by level

SDET pay by level in Swansea

Gross annual pay in GBP. Swansea is 0.88× the United Kingdom median (-12%), which is £61k at mid-level.

Levelp10Medianp90RangeMedian (USD)
Junior£34k£41k£50k$52k
Mid-level£44k£54k£65k$68k
Senior£56k£68k£83k$86k
Lead£67k£82k£100k$100k

Estimates from posted pay ranges, base pay only. Full SDET salary page for Swansea.

The role

What a SDET does in Swansea

Software engineer who owns test infrastructure, tooling and quality gates.

  • Design test frameworks and shared libraries used by several teams
  • Build test environments, fixtures and service virtualisation
  • Review production code for testability
  • Own quality gates in the delivery pipeline
  • Mentor developers on writing reliable tests

Skills and stack employers ask for

Strong programming (Java / C# / Python / TS)Design patternsCI/CD and containersDistributed systems basicsCode review

Tools named most often

PlaywrightREST AssuredDockerGitHub Actionsk6

Time zone

Swansea is on Europe/London. A 09:00-17:00 day shares 3 h with US East, 8 h with London and 7 h with Central Europe.

FAQ

SDET jobs in Swansea: FAQ

How much does a SDET earn in Swansea?

A mid-level SDET in Swansea earns a median of £54k a year ($68k), with a p10 to p90 range of £44k to £65k. Junior pay starts near £41k, senior pay is £68k and leads reach £82k.

Are there SDET jobs in Swansea?

No SDET listing is based in Swansea today, but United Kingdom has 16 and SDET roles open to remote candidates in the same time zone are common. Tell us your city and we alert you when a local role opens.

How does Swansea pay compare with the rest of United Kingdom?

Swansea ranks 20th of 20 United Kingdom cities we track for SDET pay, at 0.88x the national median (-12%). The national mid-level median is £61k, so Swansea is below it. Against the US it is 48% below the US median of $130k.

What skills do SDET jobs in Swansea ask for?

Software engineer who owns test infrastructure, tooling and quality gates. Typical requirements: Strong programming (Java / C# / Python / TS), Design patterns, CI/CD and containers, Distributed systems basics, Code review. The tools named most often are Playwright, REST Assured, Docker, GitHub Actions.

Can a SDET work with US or European teams from Swansea?

Swansea is on Europe/London. A 09:00-17:00 day shares about 3 h with US East, 8 h with London and 7 h with Central Europe. 75% of SDET roles are remote-friendly.

How do I get a SDET job in Swansea with PassRidge?

Tell us your level and stack in the form on this page. A recruiter sends matching roles with the pay shown upfront; it is free for candidates and nothing goes to an employer without your written OK. Our placement range for Swansea starts at the higher of the city and national median.

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