526 to 550 of 1,011 JavaScript Jobs in the UK

Support Engineer - API Platforms SQL Unix Scripting

Hiring Organisation
Principle
Location
Surrey, UK
addition, you’ll need strong exposure to broad technical skills such as Java development, SQL , application architecture, knowledge of front-end web technologies JavaScript or similar, and a good knowledge of RESTful API’s. Experience supporting a UNIX/Linux environment would be preferred If you’re a problem solver ...

CRO Engineer / Specialist

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£300 - £400 per day
Experience Strong experience in CRO engineering or hands-on experimentation roles Proficiency in implementing and managing tests using leading experimentation tools Solid understanding of JavaScript, HTML, and CSS for test development Strong analytical capability, with confidence in interpreting behavioural and performance data Experience collaborating with cross-functional digital teams ...

CRO Manager

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £55,000 per annum
data Clear and credible client facing communication skills Understanding of how CRO connects with wider digital marketing activity Working knowledge of HTML, CSS or JavaScript is beneficial but not essential How to Apply If you are passionate about experimentation and want to shape how CRO is delivered at a strategic ...

Java Developer

Hiring Organisation
Sanderson Recruitment
Location
Newcastle Upon Tyne, Tyne and Wear, North East, United Kingdom
Employment Type
Permanent
stand-ups, sprint review and sprint retrospective. Strong experience in Java 8 to 17. Proven background in Spring/Spring Boot/Spring MVC JavaScript Current hands-on experience of Java Development This role will require you to be willing and eligible to undergo a high level of UK security ...

Graduate CRM Consultant

Hiring Organisation
Opus Recruitment Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£25,000 - £35,000 per annum
technical aptitude through an understanding of databases and relational data, experience with CRM Systems (Dynamics, Salesforce, Hubspot etc) and skills across SQL, HTML, CSS, Javascript or similar.You will be able to confidently engage with clients, asking questions, explaining concepts, and guiding users.Offering up to £35k dependent on experience + full ...

Applications Support Engineer(Enterprise Systems)

Hiring Organisation
MRD Recruitment
Location
Grangemouth, Stirlingshire, Scotland, United Kingdom
Employment Type
Contractor
Contract Rate
£350 - £400 per day
support requests Experience supporting both bespoke and third-party applications Strong communication and stakeholder engagement skills Desirable: Scripting or development exposure (e.g. PowerShell, VBA, JavaScript, .NET) Experience with databases (SQL Server, Oracle) Knowledge of cloud platforms (Azure) Familiarity with SharePoint, Power Platform, or BI tools Understanding of ITSM tools ...

Founding Engineer | £100m Funding - No VC Money

Hiring Organisation
Tech Talent Network
Location
City of London, London, United Kingdom
knowledge extraction, enrichment, and automation ⚙️ Contribute to DevOps practices across CI/CD, infrastructure, and observability What we’re looking for: 👩 💻 Deep full-stack JavaScript or strong backend Python expertise 🔥 High agency mindset with end-to-end ownership 🎯 Strong track record of shipping production-ready features quickly 🤖 AI fluency ...

Front End Developer

Hiring Organisation
Sanderson Government and Defence
Location
Corsham, Wiltshire, South West, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550 per day
interpret designs, prototypes, and design systems Solid understanding of accessibility, usability, and inclusive design principles Experience working within Agile, multidisciplinary delivery teams Strong JavaScript/React skills, with an emphasis on maintainable, reusable code Reasonable Adjustments: Respect and equality are core values to us. We are proud of the diverse ...

Growth Engineer

Hiring Organisation
ALFA TECHNOLOGY RECRUITMENT LTD
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£75,000
scalable. Required Skills & Experience 36 years of experience in a high-growth startup, D2C brand, or specialised ecommerce agency. Expert-level proficiency in JavaScript, HTML, CSS, and Shopify/Liquid development. Proven ability to write Python or similar scripting languages for automation and AI-driven workflows. A 'builder' mindset with ...

Growth Engineer

Hiring Organisation
ALFA TECHNOLOGY RECRUITMENT LTD
Location
South East England, UK
scalable. Required Skills & Experience 36 years of experience in a high-growth startup, D2C brand, or specialised ecommerce agency. Expert-level proficiency in JavaScript, HTML, CSS, and Shopify/Liquid development. Proven ability to write Python or similar scripting languages for automation and AI-driven workflows. A 'builder' mindset with ...

C# Developer

Hiring Organisation
GCS
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £490/day inside IR35
Applications Duration - 6 months with likely extension Rate - £490 p/d (inside IR35) Location - Hybrid/Canary Wharf Tech Stack C# WPF Winforms Javascript SQL Oracle Tasks Tasks range from understanding business requirements, designing application structures, business data analysis, programming WPF (Windows Presentation Foundation) applications in Visual C#.NET ...

Senior/Staff Engineer - Bombadil

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
more. Must have for this role: Proficient in Rust development Experience with property-based testing or fuzzing Comfortable with web technology (browsers, HTTP, HTML, Javascript, CSS) Experience that would be a plus: Chrome Devtools Protocol, Playwright, Cypress, or Selenium Formal specification languages (e.g. TLA+ or some LTL) Implementing parsers, type ...

AV Programming & Commissioning Engineer

Hiring Organisation
SER Limited
Location
Manchester, United Kingdom
Employment Type
Permanent
Salary
£45000 - £55000/annum
Strong programming experience with platforms such as Crestron, Q-Sys, Extron, AMX, or similar Proficiency in AV-related programming languages (e.g. C++, Python, C#, JavaScript, HTML) Solid experience configuring audio DSP systems Strong networking knowledge relevant to AV environments Excellent troubleshooting and problem-solving skills Confident communicator, able to work ...

Backend Engineer

Hiring Organisation
Big Red Recruitment
Location
Royal Leamington Spa, England, United Kingdom
using Node.js and deployment to AWS. You will work across the full development lifecycle – from design through to deployment and ongoing improvement. Ideal experience: JavaScript/TypeScript Node.js AWS Lambda Event-driven systems Git workflows Automated testing Terraform Not to worry if you don't have all of this ...

Staff Frontend Engineer (AI Lab | £170,000)

Hiring Organisation
Paradigm Talent
Location
City of London, Greater London, UK
interactivity. Write and maintain comprehensive unit and end-to-end tests to ensure reliability at scale. You should have Strong experience with TypeScript/JavaScript and modern frameworks (React or similar). A proven track record of delivering polished, performant, and elegant user interfaces. Deep appreciation for UI/ ...

Digital Web Designer

Hiring Organisation
Digital Tonic | Digital, eCommerce & Marketing Recruitment
Location
Bristol, UK
designs, landing pages and web assets Skilled at working and designing with Figma, bringing static concepts to life Working knowledge of HTML, CSS, and JavaScript for custom tweaks and integrations Understanding of UX/UI best practices, accessibility, and responsive design Awareness of SEO, performance optimisation, and API integrations Excellent ...

Backend Engineer

Hiring Organisation
Big Red Recruitment
Location
Desborough, Northamptonshire, UK
using Node.js and deployment to AWS. You will work across the full development lifecycle – from design through to deployment and ongoing improvement. Ideal experience: JavaScript/TypeScript Node.js AWS Lambda Event-driven systems Git workflows Automated testing Terraform Not to worry if you don't have all of this ...

Backend Engineer

Hiring Organisation
Big Red Recruitment
Location
Desborough, England, United Kingdom
using Node.js and deployment to AWS. You will work across the full development lifecycle – from design through to deployment and ongoing improvement. Ideal experience: JavaScript/TypeScript Node.js AWS Lambda Event-driven systems Git workflows Automated testing Terraform Not to worry if you don't have all of this ...

Senior Frontend Developer

Hiring Organisation
NearTech Search
Location
London Area, United Kingdom
design and backend teams in a small, senior squad Leverage AI-assisted tooling to accelerate development and innovation You Will Need – Strong experience with JavaScript, React and modern frontend architecture Proven track record delivering data-heavy or dashboard-led B2B products Expertise in data visualisation tools Experience working in early ...

Product Design Lead - Vice President

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
your process Familiarity with financial terminology Knowledge of Americans with Disabilities Act Standards for Accessible Design and WCAG Working knowledge of HTML, CSS, and JavaScript #J-18808-Ljbffr ...

Technical Architect - Service Now

Hiring Organisation
Anson McCade
Location
England, United Kingdom
experience delivering in enterprise or consulting environments Exposure to multiple ServiceNow modules beyond ITSM (e.g. ITOM, ITAM, HRSD, CSM, SPM, HAM/SAM) Solid JavaScript and API integration experience Good understanding of ServiceNow architecture and platform capabilities Experience working with cloud platforms (AWS, Azure, or GCP) Ability to contribute ...

Test Analyst

Hiring Organisation
Tank Recruitment
Location
Swindon, Wiltshire, United Kingdom
Employment Type
Permanent
content Ability to thrive in a fast-paced SaaS environment Desirable Skills Exposure to automated testing tools such as Appium or Playwright (Mocha/JavaScript) Familiarity with PHP, Firebase, or NoSQL databases Understanding of CI/CD pipelines and Git workflows Awareness of application security and vulnerability scanning tools Experience ...

React Engineer

Hiring Organisation
Robert Half
Location
London, UK
Employment Type
Full-time
applying continuous improvement to development processes. Profile The Frontend Engineer will have 4+ years' experience in frontend development. Strong expertise in React and modern JavaScript/TypeScript-based frameworks. Experience with Next.js and Vite in production environments. Strong knowledge of GraphQL and API integration patterns. Experience building user experiences tied ...

React Engineer

Hiring Organisation
Robert Half
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
applying continuous improvement to development processes. Profile * The Frontend Engineer will have 4+ years' experience in frontend development. * Strong expertise in React and modern JavaScript/TypeScript-based frameworks. * Experience with Next.js and Vite in production environments. * Strong knowledge of GraphQL and API integration patterns. * Experience building user experiences tied ...

Test Manager

Hiring Organisation
Venesky Brown
Location
Glasgow, Scotland, United Kingdom
knowledge - good experience of Best Practice test approaches, Test Automation in CI/CD pipelines (specifically, GitHub Actions), Selenium WebDriver test automation, Java and JavaScript and BDD test tooling (Gherkin/Cucumber) - AWS environment experience - Mariadb/Oracle/Mysql/AWS Aurora experience (2 or more) - 2+ years (within ...