51 to 75 of 1,852 JavaScript Jobs in the UK

Senior Front-End Web Developer (AVP)

Location
Belfast City District, Northern Ireland, United Kingdom
Education Bachelor's degree in Computer Science, Software Engineering, or a related field (or equivalent practical experience). Technical Skills Commercial experience of React.js, JavaScript, HTML, and CSS. Understanding of Java Familiarity with REST APIs. Knowledge of version control systems such as Git. Knowledge of Agile/Scrum methodologies Basic ...

Principal Software Engineer UK Wide

Location
United Kingdom
focus on large-scale, complex systems. Polyglot engineer comfortable working across multiple languages and frameworks (we’ve used Python, Java, Kotlin, Node.js, C#, JavaScript, Express, React and Next.js to name a few). Passion for learning new technologies and helping others do the same. Proven track record of leading software ...

Senior Front-End Web Developer (AVP)

Hiring Organisation
Citigroup
Location
Belfast, Down, United Kingdom
Salary
£ 70 K
best practices.Required Skills & QualificationsEducationBachelor's degree in Computer Science, Software Engineering, or a related field (or equivalent practical experience).Technical SkillsCommercial experience of React.js, JavaScript, HTML, and CSS.Understanding of JavaFamiliarity with REST APIs.Knowledge of version control systems such as Git.Knowledge of Agile/Scrum methodologiesBasic understanding of SQL databases.Understanding ...

Software Project Manager

Hiring Organisation
PEN Group
Location
London Area, United Kingdom
Experience building production software applications. Strong understanding of software architecture and software engineering principles. Experience with one or more modern technology stacks such as: JavaScript/TypeScript React/Next.js Node.js PHP/Laravel .NET Java Good understanding of APIs and system integrations. Experience working with relational databases such ...

Principal Developer

Location
United Kingdom
Redis, Elasticsearch, Caching Web Technologies (at least one of) - Spring MVC, JSF (IceFaces), Struts, Wicket Hibernate or other ORM Build Tools - Maven, GitHub Actions JavaScript Frameworks (at least one of) – React, Angular (8+) SQL Database technologies (at least one of) - SQL Server, PostgreSQL No SQL Databases (at least ...

Senior Engineer (Full-Stack)

Location
City Of London, England, United Kingdom
prioritisation of deliveries. Experience/Competencies Essential: Front-end skills Proficient in HTML5, CSS3, and Typescript Proficient in React, Redux, ReactQuery Experience with modern JavaScript frameworks - React Knowledge of version control systems (Git) Understanding of cross-browser compatibility Familiarity with RESTful APIs, GraphQL and Websockets Experience with CSS pre-processors ...

AI Engineer-Anthropic-University/Graduate Level - UK

Location
Greater London, England, United Kingdom
relevant experience through internships, co‐ops, research, freelance work, academic projects, or professional roles. Experience with one or more programming languages, preferably Python, JavaScript/TypeScript, Java, or similar languages. Foundational understanding of software engineering concepts, APIs, databases, source control, and cloud‐based applications. Exposure to generative AI, LLMs, prompt ...

Senior Full Stack Engineer

Location
City of Edinburgh, Scotland, United Kingdom
confidently. Essential Skills 5+ years’ proven experience in a Full Stack Engineering role, with advanced skills in .NET, Java or Python, plus modern JavaScript libraries. Experience taking ownership of delivery for services or significant components across the full lifecycle from design to operation. Strong understanding of architectural and design patterns ...

Golang Full Stack Developer

Hiring Organisation
DNS Info Ltd
Location
Glasgow, Glasgow City, City of Glasgow, United Kingdom
Employment Type
Contract
Contract Rate
£350 - £450/day Inside IR35
commercial experience with Golang/Go. Strong experience in React.js/Next.js/TypeScript. Solid experience developing REST APIs and microservices. Good knowledge of JavaScript, HTML, and CSS. Experience with PostgreSQL, MySQL, MongoDB, or similar databases. Experience with Docker and Kubernetes. Hands-on experience with AWS, Azure, or GCP. Good ...

Java Developer

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
Croydon, London, United Kingdom
Employment Type
Contract
Contract Rate
£515/day inside ir35
Gradle Strong problem-solving and analytical skills Desirable experience AWS, Azure or GCP Docker and Kubernetes CI/CD pipelines HTML, CSS and JavaScript Agile/Scrum environments If you are interested in this role, please feel free to submit your CV. ...

Software Engineer

Hiring Organisation
Brio Digital
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£480 - £500/day
Experience Backend Strong commercial experience with: C# .NET/.NET Core ASP.NET Core REST API development SQL Server Frontend Strong experience with: React TypeScript JavaScript HTML5 CSS3 Cloud & DevOps Strong Azure experience CI/CD pipelines Infrastructure and deployment best practices Apply now or email for more information. ...

Angular Developer, Hybrid

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£300 - £350 per day + Hybrid
customers to build high-quality solutions using Angular and .NET technologies. Key Skills Required Strong commercial experience with Angular Good knowledge of TypeScript, JavaScript, HTML and CSS Experience integrating with REST APIs Solid .NET/ASP.NET Core experience Experience with automated testing tools such as Playwright, Vitest, Cypress or Jest ...

Front End Developer (React & Node.js)

Hiring Organisation
Infused Solutions Ltd
Location
Nationwide, United Kingdom
Employment Type
Permanent
Salary
£45000 - £50000/annum
about front-end development and enjoy working in a collaborative engineering environment. You'll ideally have: Commercial experience with React.js . Good experience with JavaScript and TypeScript . Experience developing backend services using Node.js . Strong knowledge of HTML5, CSS3 and responsive design principles. Experience consuming RESTful APIs. Familiarity with ...

Kotlin Developer

Location
Bolsterstone, England, United Kingdom
Java development experience with a desire to learn Kotlin. Experience in at least two of the following: API Development SQL & Database Technologies HTML/JavaScript Strong background designing and developing microservices . Excellent problem-solving and troubleshooting skills. Experience working within Agile environments. Familiarity with Jira , Confluence , GitHub , or Bitbucket ...

Insights Tech Lead

Location
Greater London, England, United Kingdom
comfortable working with ambiguity Experience developing internal developer tools or self-service analytical products Experience with CI/CD pipelines Experience with modern JavaScript frameworks such as React Passion for evaluating emerging technologies and identifying opportunities to improve Reward's analytical capability Experience mentoring technical colleagues and promoting engineering best ...

Software Developer Backend (SFIA5)

Location
City Of London, England, United Kingdom
testing [cucumber, nightwatch]) Nice to have skills AWS Knowledge of Open Source BPMN workflow engines (Camunda, Activiti or Flowable) Experience on a front-end javascript framework such as react, angular or vue.js RedHat OpenShift for container orchestration Knowledge of NCSC’s 14 cloud security principles. You don’t meet ...

Software Engineer

Location
Bristol, England, United Kingdom
operating within an Agile framework. Pro‐active DevOps culture, CI/CD pipeline and trunk‐based development. Excellent knowledge of HTML/CSS (SCSS), JavaScript and Typescript. Fluent use of Git (GitLab). Awareness of website performance best practices and non‐functional requirements. Ability to write, review or assist ...

Senior Software Engineer

Hiring Organisation
Teksystems
Location
Sheffield, South Yorkshire, United Kingdom
Employment Type
Contract
written and verbal. Self-motivated with a proactive approach to problem solving. Desirable Skills Exposure to or interest in Kotlin development. Experience with HTML, JavaScript or modern web technologies. Knowledge of cloud platforms such as AWS, Azure or GCP. Experience working within highly regulated enterprise environments. Familiarity with CI/ ...

Senior Developer

Location
Manchester, England, United Kingdom
Doing Design, develop and maintain high-quality software solutions. Build cloud-based applications and services within AWS. Develop solutions using technologies including Python, JavaScript and SQL/PostgreSQL. Design, build and integrate APIs and services. Work with databases, data flows and integrations between systems. Write clean, maintainable, secure and testable ...

Senior Developer

Location
Greater London, England, United Kingdom
Doing Design, develop and maintain high-quality software solutions. Build cloud-based applications and services within AWS. Develop solutions using technologies including Python, JavaScript and SQL/PostgreSQL. Design, build and integrate APIs and services. Work with databases, data flows and integrations between systems. Write clean, maintainable, secure and testable ...

Senior Back-End Software Engineer

Hiring Organisation
Hackajob Ltd
Location
Manchester, North West, United Kingdom
Employment Type
Permanent
Salary
£75,000
Infrastructure as Code (IaC) and GitOps practices. Experience operating containerized workloads on Kubernetes. Exposure to front-end technologies such as TypeScript, Vue.js, or modern JavaScript frameworks. Experience implementing monitoring, observability, and operational tooling. What success looks like Delivering scalable, secure, and resilient backend services that support our Ignite's products ...

Principle Engineer

Hiring Organisation
Sanderson Government and Defence
Location
London, United Kingdom
Employment Type
Contract
absence of other senior engineering leaders. Experience operating within Agile and DevOps delivery models. Desirable Skills: Application & Integration Technologies C# .NET Entity Framework JavaScript React Vue.js Windows Presentation Foundation (WPF) REST APIs Microservices architecture AI & Data Technologies AWS SageMaker Large Language Model (LLM) integrations AI-assisted analytics solutions Python-based ...

Senior Quality Engineer

Location
Belfast, Northern Ireland, United Kingdom
Quality Engineering, Test Automation Development, or Software Testing. 2+ years building and maintaining automated test frameworks from the ground up using C#, Python, Java, JavaScript, or TypeScript with tools such as Selenium WebDriver, Cypress, Playwright, XCUITest, Espresso and Appium. Strong experience with API testing tools and frameworks (Postman, REST Assured ...

Senior Dynamics 365 Customer Engagement (CE) Developer

Location
Greater London, England, United Kingdom
Responsibilities Solution Development Design, develop and maintain enterprise-scale Dynamics 365 CE solutions. Develop custom functionality using: C# .NET Plug-ins Custom Workflow Activities JavaScript/TypeScript Web API PCF Controls Extend and customise Model-Driven Apps to support complex business processes. Design and implement robust integrations with internal ...

Senior Fullstack Software Engineer (Java, Spring Boot, Microservices) UK Wide

Location
United Kingdom
Agile and DevOps practices, with a focus on continuous integration and delivery. Some proficiency in one or more programming languages (e.g., Python, Java, JavaScript) and experience with software architecture patterns. Experience with cloud platforms (e.g., AWS, Azure, GCP) and infrastructure as code. Familiarity with CI/CD pipelines, automated testing ...