Software Engineer jobs in United Kingdom

Explore 94 matching jobs.

Mozilla

Contract Staff Software Engineer – Bug Burndown

Mozilla

Posted: 10/20/2026
Kayzen

Sales Director – CTV, App Developers

Kayzen

Posted: 10/20/2026
Amentum

Technical Director – Ports and Maritime Engineering

Amentum

Posted: 10/19/2026
Parloa

Manager, Forward Deployed Engineering

Parloa

Posted: 10/18/2026
AzureCloudDockerKafkaKubernetesMongoDBMySQLNode.jsRedis+2 more
Barnes Aerospace

Director, Engineering – Europe/Asia

Barnes Aerospace

Posted: 10/17/2026
Barnes Aerospace

Director, Engineering – Europe/Asia

Barnes Aerospace

Posted: 10/16/2026
Nestle

Engineering Technician – 12-month FTC

Nestle

Posted: 10/16/2026
React
Ontic

Engineering Technician Apprentice

Ontic

Posted: 10/16/2026
Assembly
Barclays

Software Engineer

Barclays

Posted: 10/15/2026
AWSCloudJavaKafkaKubernetesOpenShiftPostgresSpringTerraform
AtkinsRéalis

Technical Director – Clean Water Process Engineering

AtkinsRéalis

Posted: 10/15/2026
AtkinsRéalis

Technical Director – Waste Water Process Engineering

AtkinsRéalis

Posted: 10/15/2026
Insight Investment

Senior Developer

Insight Investment

Posted: 10/15/2026
ASP.NETAzureDockerKubernetesReactSDLCSQLVault.NET
Solirius Consulting

Node Developer

Solirius Consulting

Posted: 10/15/2026
AngularAWSAzureChaiCloudDockerGraphQLJavaJavaScript+4 more
Ocado Retail

Junior CRM Developer – FTC

Ocado Retail

Posted: 10/14/2026
SQL
NVIDIA

Data Processing Developer Intern

NVIDIA

Posted: 10/14/2026
C++
BMT

Graduate Engineering Consultant – Through Life Engineering

BMT

Posted: 10/13/2026
SQL
Evri

Software Engineer

Evri

Posted: 10/13/2026
AWSCloudJavaJavaScriptNode.jsSpringSpring BootSpringBootVue.js
WSD

Software Engineer

WSD

Posted: 10/12/2026
CloudJavaJavaScriptPHPSQL
Ofcom

Spectrum Engineering Officer

Ofcom

Posted: 10/12/2026
American Express

Manager – Tech Ops Engineering

American Express

Posted: 10/12/2026
CloudGrafanaSplunk
NatWest Group

Software Engineer

NatWest Group

Posted: 10/12/2026
CloudJavaScriptReact
Mozilla

Contract Staff Software Engineer – Bug Burndown

Mozilla
Posted 10/20/2026contractRemote • United Kingdom, Canada, Denmark, France, GermanyLeadWebsite
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Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in web development, particularly in HTML, CSS, and JavaScript, with a strong ability to debug site breakages and utilize AI tooling for efficient diagnosis and fixes. Familiarity with browser devtools and prior experience in WebCompat or web standards enhances capability in addressing site issues effectively.

Highest-signal resume keywords
Web DevelopmentHTMLCSSJavaScriptBrowser Devtools

About the role

Key responsibilities & impact
  • Reduce Firefox’s WebCompat bug backlog by finishing or verifying diagnoses of long-tail site-breakage bugs
  • Write WebCompat interventions where appropriate
  • Write simple AI-assisted fixes and land them
  • Reproduce and triage incoming site-breakage reports
  • Turn reported breakages into diagnosed, actionable, or fixed bugs

Requirements

What you’ll need
  • Solid web development (HTML, CSS, JavaScript) and comfort debugging real-world site breakage
  • Fluent with browser devtools and cross-browser diagnosis
  • Comfortable using AI tooling to speed up diagnosis and fixes
  • Gecko knowledge is a strong plus (but can be taught)
  • Prior WebCompat or web-standards experience

ATS Keywords

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Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills
Web DevelopmentHTMLCSSJavaScriptDebuggingSite Breakage DiagnosisAI ToolingWebCompat ExperienceCross-Browser DiagnosisGecko Knowledge
Tools & Technologies
Browser DevtoolsAI Tooling
Industry Keywords
WebCompatWeb StandardsSite-Breakage ReportsActionable BugsLong-Tail Bugs