SDET jobs in Cardiff, United Kingdom
SDET pay in Cardiff centres on £55k ($69k) at mid-level, from £45k to £67k. Cardiff has about 372,000 residents and is the 10th largest of the 20 United Kingdom cities we list. PassRidge lists 1 open SDET role based here.
SDET roles near Cardiff
No SDET listing is based in Cardiff 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.
SDET
Automation Framework Architect/ SDET
Automation Engineer (SDET)
Quality Engineer
Junior SDET
SDET
Senior SDET
Lead SDET
"Talent pipeline" cards are the levels we place, not an employer's vacancy. Real postings are labelled "Market listing". How pay is set.
SDET pay by level in Cardiff
Gross annual pay in GBP. Cardiff is 0.90× the United Kingdom median (-10%), which is £61k at mid-level.
| Level | p10 | Median | p90 | Range | Median (USD) |
|---|---|---|---|---|---|
| Junior | £34k | £42k | £51k | $53k | |
| Mid-level | £45k | £55k | £67k | $69k | |
| Senior | £57k | £70k | £85k | $88k | |
| Lead | £69k | £84k | £100k | $110k |
Estimates from posted pay ranges, base pay only. Full SDET salary page for Cardiff.
What a SDET does in Cardiff
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
Tools named most often
Time zone
Cardiff 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.
SDET jobs in other United Kingdom cities
| City | Mid-level median | |
|---|---|---|
| London | £72k | SDET jobs |
| Birmingham | £59k | SDET jobs |
| Glasgow | £58k | SDET jobs |
| Manchester | £58k | SDET jobs |
| Sheffield | £54k | SDET jobs |
| Leeds | £57k | SDET jobs |
| Edinburgh | £61k | SDET jobs |
| Liverpool | £54k | SDET jobs |
Other QA roles in Cardiff
QA jobs, time zone and hiring facts for Cardiff · SDET role guide · Hire a SDET
SDET jobs in Cardiff: FAQ
How much does a SDET earn in Cardiff?
A mid-level SDET in Cardiff earns a median of £55k a year ($69k), with a p10 to p90 range of £45k to £67k. Junior pay starts near £42k, senior pay is £70k and leads reach £84k.
Are there SDET jobs in Cardiff?
Yes: 1 open SDET role is based in Cardiff right now, 1 of them remote, and 16 in United Kingdom. Tell us your city and we alert you when a local role opens.
How does Cardiff pay compare with the rest of United Kingdom?
Cardiff ranks 10th of 20 United Kingdom cities we track for SDET pay, at 0.90x the national median (-10%). The national mid-level median is £61k, so Cardiff is below it. Against the US it is 47% below the US median of $130k.
What skills do SDET jobs in Cardiff 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 Cardiff?
Cardiff 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 Cardiff 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 Cardiff starts at the higher of the city and national median.