1,076 to 1,100 of 3,747 JavaScript Jobs in the UK

partners • Performing peer reviews and code reviews of the SI partner teams Knowledge, Skills and Experience Essential • Significant commercial experience in the web stack of ReactJS, HTML, CSS and JavaScript • Good knowledge of the latest ES standards and TypeScript • Good track record in other JavaScript application frameworks as well as React • Unit and functional testing • Source Control using Git • Experience More ❯

business systems, and data warehouse using Azure Functions and AWS Lambda. Own the stack end-to-end, including testing, CI/CD, and observability. Write high-quality code in JavaScript, TypeScript, PowerShell, and Python. Build and maintain Slack bots, agents, and workflows using Slack Bolt. Choose to use no-code or low-code solutions like Zapier, Make, and n8n when … translate business needs into technical solutions. Problem-solving mindset with a passion for automation & optimisation. Your expertise: Experience building serverless functions in AWS and/or Azure. Experience writing JavaScript/TypeScript and Python. Desirable: Experience with cloud data warehouses and ETL processes. Experience writing SQL and/or SQLX. Understanding of observability practices including logging, monitoring, and alerting. Interest More ❯

likely have a chance to work on it in code Have the opportunity to contribute to the development of tools and systems outside of the Roku apps, such as JavaScript- & React-based web tools, gulp build scripts, AWS configurations, and Node.js services Work with Roku to vet new hardware, firmware and certification requirements from a client application perspective Collaborate closely … and feature degradation techniques Experience creating and extending templated controls, and writing custom controls Experience with asynchronous and concurrent code Experience with unit testing and related patterns Experience with JavaScript client- and server-side development Experience with DevOps, gulp scripts, Jenkins and AWS Required Education Bachelor's degree in Computer Science, Information Systems, Software, Electrical or Electronics Engineering, or comparable More ❯

experience delivering websites from planning to deployment utilising Sitecore Experienced in developing websites and software using ASP.NET MVC & C# Good working experience of SQL Server & other tech such as: JavaScript, JQuery, HTML & CSS Experienced in Sitecore features such as: Permissions, workflow content search, caching, personalisation and xDB Experience implementing headless Sitecore solutions (Sitecore JSS & GraphQL) Experience in optimising Sitecore content More ❯

experience delivering websites from planning to deployment utilising Sitecore Experienced in developing websites and software using ASP.NET MVC & C# Good working experience of SQL Server & other tech such as: JavaScript, JQuery, HTML & CSS Experienced in Sitecore features such as: Permissions, workflow content search, caching, personalisation and xDB Experience implementing headless Sitecore solutions (Sitecore JSS & GraphQL) Experience in optimising Sitecore content More ❯

experience delivering websites from planning to deployment utilising Sitecore Experienced in developing websites and software using ASP.NET MVC & C# Good working experience of SQL Server & other tech such as: JavaScript, JQuery, HTML & CSS Experienced in Sitecore features such as: Permissions, workflow content search, caching, personalisation and xDB Experience implementing headless Sitecore solutions (Sitecore JSS & GraphQL) Experience in optimising Sitecore content More ❯

experience delivering websites from planning to deployment utilising Sitecore Experienced in developing websites and software using ASP.NET MVC & C# Good working experience of SQL Server & other tech such as: JavaScript, JQuery, HTML & CSS Experienced in Sitecore features such as: Permissions, workflow content search, caching, personalisation and xDB Experience implementing headless Sitecore solutions (Sitecore JSS & GraphQL) Experience in optimising Sitecore content More ❯

experience delivering websites from planning to deployment utilising Sitecore Experienced in developing websites and software using ASP.NET MVC & C# Good working experience of SQL Server & other tech such as: JavaScript, JQuery, HTML & CSS Experienced in Sitecore features such as: Permissions, workflow content search, caching, personalisation and xDB Experience implementing headless Sitecore solutions (Sitecore JSS & GraphQL) Experience in optimising Sitecore content More ❯

experience delivering websites from planning to deployment utilising Sitecore Experienced in developing websites and software using ASP.NET MVC & C# Good working experience of SQL Server & other tech such as: JavaScript, JQuery, HTML & CSS Experienced in Sitecore features such as: Permissions, workflow content search, caching, personalisation and xDB Experience implementing headless Sitecore solutions (Sitecore JSS & GraphQL) Experience in optimising Sitecore content More ❯

experience delivering websites from planning to deployment utilising Sitecore Experienced in developing websites and software using ASP.NET MVC & C# Good working experience of SQL Server & other tech such as: JavaScript, JQuery, HTML & CSS Experienced in Sitecore features such as: Permissions, workflow content search, caching, personalisation and xDB Experience implementing headless Sitecore solutions (Sitecore JSS & GraphQL) Experience in optimising Sitecore content More ❯

experience delivering websites from planning to deployment utilising Sitecore Experienced in developing websites and software using ASP.NET MVC & C# Good working experience of SQL Server & other tech such as: JavaScript, JQuery, HTML & CSS Experienced in Sitecore features such as: Permissions, workflow content search, caching, personalisation and xDB Experience implementing headless Sitecore solutions (Sitecore JSS & GraphQL) Experience in optimising Sitecore content More ❯

experience delivering websites from planning to deployment utilising Sitecore Experienced in developing websites and software using ASP.NET MVC & C# Good working experience of SQL Server & other tech such as: JavaScript, JQuery, HTML & CSS Experienced in Sitecore features such as: Permissions, workflow content search, caching, personalisation and xDB Experience implementing headless Sitecore solutions (Sitecore JSS & GraphQL) Experience in optimising Sitecore content More ❯

experience delivering websites from planning to deployment utilising Sitecore Experienced in developing websites and software using ASP.NET MVC & C# Good working experience of SQL Server & other tech such as: JavaScript, JQuery, HTML & CSS Experienced in Sitecore features such as: Permissions, workflow content search, caching, personalisation and xDB Experience implementing headless Sitecore solutions (Sitecore JSS & GraphQL) Experience in optimising Sitecore content More ❯

experience delivering websites from planning to deployment utilising Sitecore Experienced in developing websites and software using ASP.NET MVC & C# Good working experience of SQL Server & other tech such as: JavaScript, JQuery, HTML & CSS Experienced in Sitecore features such as: Permissions, workflow content search, caching, personalisation and xDB Experience implementing headless Sitecore solutions (Sitecore JSS & GraphQL) Experience in optimising Sitecore content More ❯

experience delivering websites from planning to deployment utilising Sitecore Experienced in developing websites and software using ASP.NET MVC & C# Good working experience of SQL Server & other tech such as: JavaScript, JQuery, HTML & CSS Experienced in Sitecore features such as: Permissions, workflow content search, caching, personalisation and xDB Experience implementing headless Sitecore solutions (Sitecore JSS & GraphQL) Experience in optimising Sitecore content More ❯

experience delivering websites from planning to deployment utilising Sitecore Experienced in developing websites and software using ASP.NET MVC & C# Good working experience of SQL Server & other tech such as: JavaScript, JQuery, HTML & CSS Experienced in Sitecore features such as: Permissions, workflow content search, caching, personalisation and xDB Experience implementing headless Sitecore solutions (Sitecore JSS & GraphQL) Experience in optimising Sitecore content More ❯

experience delivering websites from planning to deployment utilising Sitecore Experienced in developing websites and software using ASP.NET MVC & C# Good working experience of SQL Server & other tech such as: JavaScript, JQuery, HTML & CSS Experienced in Sitecore features such as: Permissions, workflow content search, caching, personalisation and xDB Experience implementing headless Sitecore solutions (Sitecore JSS & GraphQL) Experience in optimising Sitecore content More ❯

experience delivering websites from planning to deployment utilising Sitecore Experienced in developing websites and software using ASP.NET MVC & C# Good working experience of SQL Server & other tech such as: JavaScript, JQuery, HTML & CSS Experienced in Sitecore features such as: Permissions, workflow content search, caching, personalisation and xDB Experience implementing headless Sitecore solutions (Sitecore JSS & GraphQL) Experience in optimising Sitecore content More ❯

experience delivering websites from planning to deployment utilising Sitecore Experienced in developing websites and software using ASP.NET MVC & C# Good working experience of SQL Server & other tech such as: JavaScript, JQuery, HTML & CSS Experienced in Sitecore features such as: Permissions, workflow content search, caching, personalisation and xDB Experience implementing headless Sitecore solutions (Sitecore JSS & GraphQL) Experience in optimising Sitecore content More ❯

experience delivering websites from planning to deployment utilising Sitecore Experienced in developing websites and software using ASP.NET MVC & C# Good working experience of SQL Server & other tech such as: JavaScript, JQuery, HTML & CSS Experienced in Sitecore features such as: Permissions, workflow content search, caching, personalisation and xDB Experience implementing headless Sitecore solutions (Sitecore JSS & GraphQL) Experience in optimising Sitecore content More ❯

how the user interfaces are both visually appealing and highly functional. Senior Frontend Developer required skills: Strong Angular background (Version 17 or 19) C#/.Net HTML, CSS experience JavaScript/TypeScript experience Working knowledge of RESTful API’s & integration of backend services Full Stack Engineer bonus skills: Knowledge of React Experience building Micro Services This role requires you to More ❯

experience delivering websites from planning to deployment utilising Sitecore Experienced in developing websites and software using ASP.NET MVC & C# Good working experience of SQL Server & other tech such as: JavaScript, JQuery, HTML & CSS Experienced in Sitecore features such as: Permissions, workflow content search, caching, personalisation and xDB Experience implementing headless Sitecore solutions (Sitecore JSS & GraphQL) Experience in optimising Sitecore content More ❯

environment Strong experience with modern PHP (PHP 8+), including writingstrongly typed, well-architected code. Proficiency in MySQL, with experience hand-writing queries and diagnosing performance issues. Solid understanding of JavaScript (ES6+) and experience writing clean, modular code. Familiarity with RESTful API design and consumption. Proficient in Git and version control best practices. Strong communicator and collaborative team player. Detail-oriented … Passion for learning and staying current with emerging technologies. Preferred Qualifications: Experience with AWS cloud services. Familiarity with automated testing frameworks (PHPUnit,Behat). Hands-on experience with modern JavaScript frameworks (especially Angular). Experience working with large and complex codebases. Room 58 prides itself on providing a great working environment for our team and with that comes great benefits More ❯

experience delivering websites from planning to deployment utilising Sitecore Experienced in developing websites and software using ASP.NET MVC & C# Good working experience of SQL Server & other tech such as: JavaScript, JQuery, HTML & CSS Experienced in Sitecore features such as: Permissions, workflow content search, caching, personalisation and xDB Experience implementing headless Sitecore solutions (Sitecore JSS & GraphQL) Experience in optimising Sitecore content More ❯

experience delivering websites from planning to deployment utilising Sitecore Experienced in developing websites and software using ASP.NET MVC & C# Good working experience of SQL Server & other tech such as: JavaScript, JQuery, HTML & CSS Experienced in Sitecore features such as: Permissions, workflow content search, caching, personalisation and xDB Experience implementing headless Sitecore solutions (Sitecore JSS & GraphQL) Experience in optimising Sitecore content More ❯