276 to 300 of 2,250 JavaScript Jobs in England

user and business needs into functional frontend code Contribute to API and broader system design & documentation Essential Qualifications: Strong understanding of UX principles and web design fundamentals Expert in Javascript, Typescript, HTML, and CSS Extensive experience with modern web frameworks and patterns (eg. React, Next.js, Tailwind) Experience with real-time and bi-directional communication protocols and patterns (eg. WebSockets, SSE More ❯

user and business needs into functional frontend code Contribute to API and broader system design & documentation Essential Qualifications: Strong understanding of UX principles and web design fundamentals Expert in Javascript, Typescript, HTML, and CSS Extensive experience with modern web frameworks and patterns (eg. React, Next.js, Tailwind) Experience with real-time and bi-directional communication protocols and patterns (eg. WebSockets, SSE More ❯

user and business needs into functional frontend code Contribute to API and broader system design & documentation Essential Qualifications: Strong understanding of UX principles and web design fundamentals Expert in Javascript, Typescript, HTML, and CSS Extensive experience with modern web frameworks and patterns (eg. React, Next.js, Tailwind) Experience with real-time and bi-directional communication protocols and patterns (eg. WebSockets, SSE More ❯

user and business needs into functional frontend code Contribute to API and broader system design & documentation Essential Qualifications: Strong understanding of UX principles and web design fundamentals Expert in Javascript, Typescript, HTML, and CSS Extensive experience with modern web frameworks and patterns (eg. React, Next.js, Tailwind) Experience with real-time and bi-directional communication protocols and patterns (eg. WebSockets, SSE More ❯

What You'll Bring: 6+ years' experience in PHP development Strong knowledge of Laravel and custom WordPress (inc. React & Full Site Editor) Solid front-end skills in HTML, CSS, JavaScript (React or Livewire a bonus) Experience with Git, version control, and cloud platforms (AWS, GCP, or Azure) Ability to work collaboratively in a fast-paced, creative environment Strong problem-solving More ❯

mentor more junior members of the team in the absence of the Technical Lead Expert understanding of microservice architecture Expert knowledge of PHP Symfony framework is preferred Proficient in JavaScript, including modern frameworks in this instance React is preferred Proficient in SQL and experience with MySQL Experience with cloud platforms (AWS preferred) Familiarity with design-led and mobile-led approaches More ❯

stacks. Experience delivering change in highly available, customer-facing platforms. Excellent leadership, communication, and problem-solving skills. Proactive, growth-oriented mindset with a focus on continuous improvement. Technical Skills: JavaScript/Frontend: React, React Native, TypeScript, semantic HTML, accessibility. Backend/JVM: Java-based systems, microservices, event-driven architectures, serverless. Engineering Practices: Domain Driven Design, Test Driven Development, DevOps, developer More ❯

stacks. Experience delivering change in highly available, customer-facing platforms. Excellent leadership, communication, and problem-solving skills. Proactive, growth-oriented mindset with a focus on continuous improvement. Technical Skills: JavaScript/Frontend: React, React Native, TypeScript, semantic HTML, accessibility. Backend/JVM: Java-based systems, microservices, event-driven architectures, serverless. Engineering Practices: Domain Driven Design, Test Driven Development, DevOps, developer More ❯

and other agile ceremonies. Education, Skills & Experience: Strong experience as a full stack developer but with a deep understanding of modern front-end development best practices. Extensive experience with JavaScript, TypeScript, and modern front-end frameworks (React preferred). Proficiency with CSS preprocessors, HTML5, and CSS3. Familiarity with RESTful APIs, source control (git), and Agile methodologies. Desirable: Experience with .NET More ❯

developing scalable applications using Core Python and frameworks like Flask. Skilled in applying OOP principles, efficient data structures, and robust exception handling. Collaborates effectively with front-end teams using JavaScript, HTML, and CSS to deliver seamless user experience. Proficient in SQL database design and optimization for reliable data storage and retrieval. Manages cloud infrastructure with AWS Core Services and Terraform More ❯

to automation. WE NEED THE SENIOR SOFTWARE ENGINEER TO HAVE.... Current enhanced DV clearance Experience with at least one or more of the following: Java, Python, C++, .NET, C#, JavaScript, React Experience mentoring juniors or leading a team Experience/Knowledge of automation IT WOULD BE NICE FOR THE SENIOR SOFTWARE ENGINEER TO HAVE.... Cloud based experience Microservice architecture or More ❯

to automation. WE NEED THE SENIOR SOFTWARE ENGINEER TO HAVE. Current enhanced DV clearance Experience with at least one or more of the following: Java, Python, C++, .NET, C#, JavaScript, React Experience mentoring juniors or leading a team Experience/Knowledge of automation IT WOULD BE NICE FOR THE SENIOR SOFTWARE ENGINEER TO HAVE. Cloud based experience Microservice architecture or More ❯

Active DV (Developed Vetting) Security Clearance Strong proficiency in Python and API development Experience or strong interest in data engineering, data pipelines, and automation Solid understanding of TypeScript/JavaScript and back-end integration principles Familiarity with databases (SQL/NoSQL) and data transformation techniques Comfortable collaborating in cross-functional technical teams Desirable: Background in Data Analysis or Full Stack More ❯

Active DV (Developed Vetting) Security Clearance Strong proficiency in Python and API development Experience or strong interest in data engineering, data pipelines, and automation Solid understanding of TypeScript/JavaScript and back-end integration principles Familiarity with databases (SQL/NoSQL) and data transformation techniques Comfortable collaborating in cross-functional technical teams Desirable: Background in Data Analysis or Full Stack More ❯

promote best practices, and improve engineering workflows Shape technical strategy and contribute to long-term system improvements Drive code quality, observability, and resiliency across services Tech Stack Frontend : React, JavaScript/TypeScript Backend : Python (FastAPI, Flask, or Django), ideally with geospatial data processing Cloud : AWS (Lambda, ECS, RDS, S3, API Gateway, etc.) DevOps : Docker, CI/CD pipelines, Git Orchestration More ❯

field (including computational, numerate or life sciences), or equivalent experience Cloud experience (e.g. Google Cloud and cloud run preferred) including core web application infrastructure is essential Strong skills in JavaScript/TypeScript and Python, ensuring best practices are followed for clean and scalable code Demonstrated ability to work directly with designers, particularly using Figma, to convert design prototypes into engaging More ❯

challenging projects that demand ambitious innovation and thought leadership. Key Responsibilities: Deliver high-quality front-end builds for responsive websites and mobile apps using React Native, HTML, CSS, and JavaScript with modern frameworks like React.js. Collaborate with designers and back-end developers to ensure seamless integration of front-end and back-end functionalities. Optimize mobile applications for performance and responsiveness More ❯

D, implementation to automation. WE NEED THE SENIOR SOFTWARE ENGINEER TO HAVE.... Current enhanced DV clearance Experience with at least one of the following: Java, Python, C++, C#, .NET, JavaScript, React Experience mentoring juniors or leading teams is nice to have but not essential Experience/Knowledge of automation IT WOULD BE NICE FOR THE SENIOR SOFTWARE ENGINEER TO HAVE.... More ❯

in regular pair programming with senior developers, emphasizing learning, progression, and career development, solving highly complex problems. Key Technologies: Tech Stack: C#, ASP.NET, Object-Oriented programming and design patterns, JavaScript (AngularJS, ReactJS, or similar), Microsoft Azure or other cloud platforms, CI/CD DevOps exposure. Working Experience: Solid understanding of the Software Development Life Cycle (SDLC) and hands-on development More ❯

them to operations and activities. Requirements: Proven software development experience in PHP. In-depth knowledge of PHP frameworks such as Laravel, Symfony, or CodeIgniter. Experience with front-end technologies (JavaScript, HTML5, CSS3). Solid understanding of object-oriented programming (OOP). Familiarity with SQL/NoSQL databases and their declarative query languages. Experience with version control tools, such as Git. More ❯

strategic advantage. You'll work alongside a talented team contributing ideas, collaborating with designers and prototyping new features. There's a modern tech stack, you'll be mainly using JavaScript/TypeScript and React but will be able to pick new technologies and skills up on the job. Location/WFH: You'll be joining a friendly and supportive team More ❯

focus on front end work alongside a talented team contributing ideas, collaborating with designers and prototyping new features. There's a modern tech stack, you'll be mainly using JavaScript/TypeScript and React but will be able to pick new technologies and skills up on the job. Location/WFH: You'll be joining a friendly and supportive team More ❯

strategic advantage. You'll work alongside a talented team contributing ideas, collaborating with designers and prototyping new features. There's a modern tech stack, you'll be mainly using JavaScript/TypeScript and React but will be able to pick new technologies and skills up on the job. Location/WFH: You'll be joining a friendly and supportive team More ❯

strategic advantage. You'll work alongside a talented team contributing ideas, collaborating with designers and prototyping new features. There's a modern tech stack, you'll be mainly using JavaScript/TypeScript and React but will be able to pick new technologies and skills up on the job. Location/WFH: You'll be joining a friendly and supportive team More ❯

focus on front end work alongside a talented team contributing ideas, collaborating with designers and prototyping new features. There's a modern tech stack, you'll be mainly using JavaScript/TypeScript and React but will be able to pick new technologies and skills up on the job. Location/WFH: You'll be joining a friendly and supportive team More ❯