1 to 25 of 402 CSS Jobs in London

observability and performance . Collaborate with product, platform, and security teams to meet operational and compliance requirements. The toolkit you’ll use Frontend: TypeScript, React.js, Vite, Material-UI, HTML5, CSS Backend: Node.js, Express.js (nice-to-have: C#/.NET, Python/Django) APIs & Data: REST/JSON, SQL, PostgreSQL/Postgres , databases DevOps: CI/CD, Docker , containerisation, Ubuntu/ More ❯

observability and performance . Collaborate with product, platform, and security teams to meet operational and compliance requirements. The toolkit you’ll use Frontend: TypeScript, React.js, Vite, Material-UI, HTML5, CSS Backend: Node.js, Express.js (nice-to-have: C#/.NET, Python/Django) APIs & Data: REST/JSON, SQL, PostgreSQL/Postgres , databases DevOps: CI/CD, Docker , containerisation, Ubuntu/ More ❯

seamless user experiences.What We're Looking For* Degree in Computer Science, Engineering, or equivalent experience.* Proven experience in full stack development and data engineering.* Strong front-end skills (HTML, CSS, JavaScript, React required).* Solid back-end expertise (Java and Node.js required).* Familiarity with cloud-native architectures and DevOps practices.* First-class leadership or management skills to guide teams More ❯

Minimum of 8 years experience building products Software development experience working with the following: .NET 8+ ; SQL or NoSQL databases (SQL Server or MongoDB preferred); Front-end technologies ( HTML5, CSS, Javascript frameworks – Angular 18+ preferred); Cloud services ( Azure preferred); Containerisation; Infrastructure-as-code ( Azure Bicep preferred); Kubernetes preferred; Familiar with Generative AI prompt-based development acceleration/research; Experience developing More ❯

and security best practices. Collaborate in an agile squad to design, develop, and maintain robust solutions. Tech Stack: Languages & Frameworks: C#, ASP.NET MVC (.NET Framework & .NET Core), HTML/CSS, JavaScript Azure Services: Functions, Logic Apps, API Management, Service Bus, Data Factory, Storage Accounts, App Insights Data: MS SQL, Azure SQL, T-SQL DevOps: Azure DevOps pipelines, Git, CI/ More ❯

and security best practices. Collaborate in an agile squad to design, develop, and maintain robust solutions. Tech Stack: Languages & Frameworks: C#, ASP.NET MVC (.NET Framework & .NET Core), HTML/CSS, JavaScript Azure Services: Functions, Logic Apps, API Management, Service Bus, Data Factory, Storage Accounts, App Insights Data: MS SQL, Azure SQL, T-SQL DevOps: Azure DevOps pipelines, Git, CI/ More ❯

improvement environments doing multiple releases every week Coding and testing: Demonstrable experience designing, coding and debugging Golang based systems Good skills in web front end technologies such as HTML, CSS, Bootstrap Golang Spring Boot Docker Kubernetes Atlassian Build tools: Maven, Gradle, Ant Familiar with source control systems, such as GIT, including branching, merging, etc. Testing: TDD, unit testing, JUnit, Mockito More ❯

API – OpenAPI/GraphQL/GRPC Messaging - AMQP/RabbitMQ/Kafka Data Storage - MongoDB/Mongoose Web UI - Angular/ReactJS/Svelte/Webpack/HTML/CSS Security - Oauth2 Build Tools - Nx Dev/Yarn/npm Platform - Docker/Nginx Desirable Technical Skills Serverless AWS/GCP – API Gateway/Lambda Orchestration Stack – Kubernetes/Nomad More ❯

API – OpenAPI/GraphQL/GRPC Messaging - AMQP/RabbitMQ/Kafka Data Storage - MongoDB/Mongoose Web UI - Angular/ReactJS/Svelte/Webpack/HTML/CSS Security - Oauth2 Build Tools - Nx Dev/Yarn/npm Platform - Docker/Nginx Desirable Technical Skills Serverless AWS/GCP – API Gateway/Lambda Orchestration Stack – Kubernetes/Nomad More ❯

impact. You'll be someone who: Has proven experience developing technical solutions across websites, digital products, and/or automation initiatives. Is confident with modern Front End development (HTML, CSS, JavaScript/TypeScript, frameworks such as React or Angular) and has foundational experience in Back End technologies (Node.js, .NET, or Python). Understands web architecture, APIs, and data integrations. Is More ❯

engineering practices Appetite for continual experimentation & learning Desirable : Experience of AWS or Azure Hands-on knowledge of Domain Driven Design (DDD) Some experience with frontend technologies such as HTML, CSS, HTMX, React Experience of C# with .NET Web and API development Understanding of git, CI/CD and DevOps practices and experience in Observability/monitoring Any knowledge of Actuarial More ❯

equivalent practical experience. 5+ years of front-end development experience building real-world web applications of medium-to-large scale and complexity. Demonstrable React, JS/TS, HTML, and CSS experience. Active interest in reading-up on the latest frameworks and libraries. Knowledge and active interest in Design Patterns and SOLID architecture principles. Familiarity with cloud computing, experience with tuning More ❯

with an API-first approach. Some proficiency in JavaScript/TypeScript-based frontend development, with extensive expertise in React. This includes a deep understanding of the DOM, component design, CSS, and state management. Familiarity with Kubernetes-specific platform components and principles , such as load balancers, cluster DNS, autoscalers, API/SDK toolsets, and the operator pattern. Experience developing and containerizing More ❯

with an API-first approach. Some proficiency in JavaScript/TypeScript-based frontend development, with extensive expertise in React. This includes a deep understanding of the DOM, component design, CSS, and state management. Familiarity with Kubernetes-specific platform components and principles , such as load balancers, cluster DNS, autoscalers, API/SDK toolsets, and the operator pattern. Experience developing and containerizing More ❯

with state management libraries such as Redux. • Experience with version control systems, such as Git. • Experience with the Web Content Accessibility Guidelines. • Knowledge of responsive web design principles and CSS frameworks. • Understanding of RESTful APIs and asynchronous data retrieval. • Experience with unit testing. • Strong problem-solving and debugging skills. • Excellent teamwork and communication skills. • Attention to detail and an eye More ❯

with state management libraries such as Redux. • Experience with version control systems, such as Git. • Experience with the Web Content Accessibility Guidelines. • Knowledge of responsive web design principles and CSS frameworks. • Understanding of RESTful APIs and asynchronous data retrieval. • Experience with unit testing. • Strong problem-solving and debugging skills. • Excellent teamwork and communication skills. • Attention to detail and an eye More ❯

of the full project lifecycle experience Experience in testing Finance Markets applications, including Cash Equities Experienced with Playwright or other testing tools such as Selenium Strong knowledge of HTML, CSS, JavaScript/Typescript, ideally with some Python, .NET and Java Some knowledge of React Strong analytical skills combined with a structured methodical and hands-on approach with passionate attention to More ❯

by fast-paced, regulated environments where speed, quality, and adaptability matter. Your Technical Toolkit React/React Native/TypeScript Swift (iOS)/Kotlin (Android) JavaScript/HTML/CSS Figma/Vercel/Git Testing frameworks : Jest, Cypress, XCTest, Espresso CI/CD pipelines : GitHub Actions, CircleCI, Bitrise Cloud basics : AWS, Docker, K8s (exposure preferred) Desirable Familiarity with RDBMS More ❯

regulated environments where speed, compliance, and innovation go hand-in-hand. Your Technical Toolkit React/React Native/TypeScript Swift (iOS)/Kotlin (Android) JavaScript/HTML/CSS Figma/Git Testing frameworks : Jest, Cypress, XCTest, Espresso CI/CD pipelines : GitHub Actions, CircleCI, Bitrise Cloud-native architecture : AWS, Docker, Kubernetes Observability tools Interview Process 3 Stage Interview More ❯

an absolute must Core Skills: - C#/.Net - Third Party Integration/API - Azure - Logic Apps/Function Apps - DevOps - CI/CD pipelines for deployment - SQLServer - HTML/CSS/JavaScript - Test Driven Development - Agile Interview Process: 23rd November - Submissions close 26th November - Online tests sent to selected candidates 28th November - Deadline to complete and return test 5th December More ❯

an absolute must Core Skills: - C#/.Net - Third Party Integration/API - Azure - Logic Apps/Function Apps - DevOps - CI/CD pipelines for deployment - SQLServer - HTML/CSS/JavaScript - Test Driven Development - Agile Interview Process: 23rd November - Submissions close 26th November - Online tests sent to selected candidates 28th November - Deadline to complete and return test 5th December More ❯

continuous improvement efforts, introducing new ideas and technologies What You'll Bring Proven experience as a Full Stack Engineer or similar role Expertise in React, JavaScript/TypeScript, HTML, CSS , and responsive design principles Strong understanding of Back End technologies and best practices Passion for writing clean, well-tested code Experience with cloud platforms (AWS, Azure, or GCP) Excellent communication More ❯

continuous improvement efforts, introducing new ideas and technologies What You'll Bring Proven experience as a Full Stack Engineer or similar role Expertise in React, JavaScript/TypeScript, HTML, CSS , and responsive design principles Strong understanding of Back End technologies and best practices Passion for writing clean, well-tested code Experience with cloud platforms (AWS, Azure, or GCP) Excellent communication More ❯

in coding, architecture, and deployment. What You'll Bring 8+ years' hands-on WordPress development experience Deep understanding of WordPress + Gutenberg Strong skills in PHP, JS, React, HTML, CSS Experience building custom Gutenberg blocks , APIs, and feeds Solid knowledge of Git , Agile , and JIRA Understanding of performance optimisation , caching , and Core Web Vitals Confident communicator and collaborator in distributed More ❯

in coding, architecture, and deployment. What You'll Bring 8+ years' hands-on WordPress development experience Deep understanding of WordPress + Gutenberg Strong skills in PHP, JS, React, HTML, CSS Experience building custom Gutenberg blocks , APIs, and feeds Solid knowledge of Git , Agile , and JIRA Understanding of performance optimisation , caching , and Core Web Vitals Confident communicator and collaborator in distributed More ❯