51 to 75 of 92 JavaScript Jobs in Essex

Rate £550-650pd, Outside IR35 | 12-months Contract Length Senior-level backend experience with Python and Django in production systems Proven work with JavaScript and React (production experience strongly preferred) Familiarity with MySQL Databases and scale Strong grasp of APIs, cloud-native systems, and scalable architecture Freelance mindset: able ...

Rate £550-650pd, Outside IR35 | 12-months Contract Length Senior-level backend experience with Python and Django in production systems Proven work with JavaScript and React (production experience strongly preferred) Familiarity with MySQL Databases and scale Strong grasp of APIs, cloud-native systems, and scalable architecture Freelance mindset: able ...

basic troubleshooting Monitor site performance using tools like UptimeRobot Use SiteGround (or similar) for hosting, backups, and site settings Make changes using CSS , basic JavaScript , and basic database editing (e.g. MySQL) Experience That Will Help (But Isn’t Essential): Tools like VWO , Hotjar, or other testing/conversion platforms Basic ...

ability to collaborate closely with designers. Experience with monitoring automation systems, logging, or simple test automation. Exposure to backend development or scripting (JavaScript/Python) when needed. Experience working in small, fast-paced product teams. What we offer A central role in a fast-growing AI startup, working directly with ...

ability to collaborate closely with designers. Experience with monitoring automation systems, logging, or simple test automation. Exposure to backend development or scripting (JavaScript/Python) when needed. Experience working in small, fast-paced product teams. What we offer A central role in a fast-growing AI startup, working directly with ...

wallets, flows of funds, compliance, and regulated money movement. Prior experience at companies like Wise, PayPal, or similar is a strong plus. Technical Skills: JavaScript/Node.js PostgreSQL with Sequelize ORM Strong understanding of distributed systems and API-driven banking/PSP integrations Leadership: Ability to run projects at scale ...

wallets, flows of funds, compliance, and regulated money movement. Prior experience at companies like Wise, PayPal, or similar is a strong plus. Technical Skills: JavaScript/Node.js PostgreSQL with Sequelize ORM Strong understanding of distributed systems and API-driven banking/PSP integrations Leadership: Ability to run projects at scale ...

bugs using C#, Entity Framework, Azure Service Bus and SQL Server Writing unit and integration tests using NUnit Styling website changes in CSS Developing JavaScript code using frameworks such as Vue Attending scrum meetings and briefings with project owners and peers Writing SQL scripts to modify database schema … C# 6 including advanced language features e.g., generics, lambdas, delegates Design Patterns and SOLID Principles Entity Framework 6+ SQL Server 2014+ TDD/NUnit Javascript/JQuery/AJAX HTML5/CSS3 Desirable ASP.NET Core Azure Service Bus Entity Framework Core Vue Agile methodologies/Scrum Automated browser testing/ ...

bugs using C#, Entity Framework, Azure Service Bus and SQL Server Writing unit and integration tests using NUnit Styling website changes in CSS Developing JavaScript code using frameworks such as Vue Attending scrum meetings and briefings with project owners and peers Writing SQL scripts to modify database schema … C# 6 including advanced language features e.g., generics, lambdas, delegates Design Patterns and SOLID Principles Entity Framework 6+ SQL Server 2014+ TDD/NUnit Javascript/JQuery/AJAX HTML5/CSS3 Desirable ASP.NET Core Azure Service Bus Entity Framework Core Vue Agile methodologies/Scrum Automated browser testing/ ...

design and marketing teams in an Agile environment to deliver engaging, high performing web solutions. Your expertise in PHP, Statamic CMS, HTML, CSS, and JavaScript will be key to creating seamless user experiences and driving innovation across their digital presence. Skills required 5+ years of hands on web development experience … with strong expertise in PHP, SQL, HTML, CSS, and JavaScript. Experience with MVC frameworks (Laravel, Symfony, CodeIgniter, or CakePHP). Proficiency in modern JavaScript frameworks (Vue.js, Nuxt.js preferred; React or Angular considered). Skilled in CSS frameworks (Tailwind) and building reusable UI components. Experience with automated testing tools (Vitest, Jest ...

selection of more advanced courses to get you up to speed. Learn the Command Line (1.5 weeks) Learn Git & GitHub (1.5 weeks) Learn JavaScript (1.5 weeks) Learn Python 3 (1.5 weeks) JavaScript forms the foundation of almost everything you see on the Internet, so it will be essential! Python ...

selection of more advanced courses to get you up to speed. Learn the Command Line (1.5 weeks) Learn Git & GitHub (1.5 weeks) Learn JavaScript (1.5 weeks) Learn Python 3 (1.5 weeks) JavaScript forms the foundation of almost everything you see on the Internet, so it will be essential! Python ...

selection of more advanced courses to get you up to speed. Learn the Command Line (1.5 weeks) Learn Git & GitHub (1.5 weeks) Learn JavaScript (1.5 weeks) Learn Python 3 (1.5 weeks) JavaScript forms the foundation of almost everything you see on the Internet, so it will be essential! Python ...

selection of more advanced courses to get you up to speed. Learn the Command Line (1.5 weeks) Learn Git & GitHub (1.5 weeks) Learn JavaScript (1.5 weeks) Learn Python 3 (1.5 weeks) JavaScript forms the foundation of almost everything you see on the Internet, so it will be essential! Python ...

software development, and geographic information systems (GIS). We help organisations make better decisions through data and technology. The Role Are you a passionate JavaScript developer ready to build modern, user-focused web applications with a geospatial twist? Compass Informatics is looking for a skilled Front-End Developer to join … team and help shape the future of GIS-based solutions. What you will do Build responsive, scalable web applications using JavaScript, Angular, and ideally Ext JS. Collaborate with UI/UX designers to deliver seamless user experiences. Integrate mapping libraries like Leaflet, OpenLayers, or ArcGIS SDK. Work with geospatial services ...

.NET Developer, .NET 10.0 - Social Networking Site – Belfast (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET, Azure AI, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is the world's largest social-networking web site and they have … dedicated technical training per year and exposure to cutting edge technologies such as: .NET 10.0, ASP.NET Core, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET, Azure AI, Azure, Bootstrap, Agile and MongoDB. Additionally you will follow an official structured career progression program. Location: Belfast, Northern Ireland ...

.NET Developer, .NET 10.0 - Social Networking Site – Belfast (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET, Azure AI, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is the world's largest social-networking web site and they have … dedicated technical training per year and exposure to cutting edge technologies such as: .NET 10.0, ASP.NET Core, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET, Azure AI, Azure, Bootstrap, Agile and MongoDB. Additionally you will follow an official structured career progression program. Location: Belfast, Northern Ireland ...

.NET Developer - Chelmsford (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET, Azure AI, Programmer, Full Stack Engineer, Architect, .NET Developer) Since 2006 our client's revolutionary marketing software platform has been helping businesses all over the world to attract … .NET Core, C# and Azure SQL. You will receive training in all aspects of: .NET 10.0, ASP.NET Core, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET, Azure AI and MongoDB. At the centre of our client's culture is freedom and openness which takes ...

selection of more advanced courses to get you up to speed. Learn the Command Line (1.5 weeks) Learn Git & GitHub (1.5 weeks) Learn JavaScript (1.5 weeks) Learn Python 3 (1.5 weeks) JavaScript forms the foundation of almost everything you see on the Internet, so it will be essential! Python ...

selection of more advanced courses to get you up to speed. Learn the Command Line (1.5 weeks) Learn Git & GitHub (1.5 weeks) Learn JavaScript (1.5 weeks) Learn Python 3 (1.5 weeks) JavaScript forms the foundation of almost everything you see on the Internet, so it will be essential! Python ...

selection of more advanced courses to get you up to speed. Learn the Command Line (1.5 weeks) Learn Git & GitHub (1.5 weeks) Learn JavaScript (1.5 weeks) Learn Python 3 (1.5 weeks) JavaScript forms the foundation of almost everything you see on the Internet, so it will be essential! Python ...

growing client base. What You'll Do Design, build, and maintain dynamic websites and web applications using C#, ASP.NET/Core, MVC, HTML, CSS, JavaScript, and JSON . Collaborate with designers and programmers to bring visual concepts to life. Develop REST APIs and ensure secure, scalable solutions following best practices. … degree from a British University in Computer Science or a related field. Technical Skills: Strong command of C#, ASP.NET/Core, MVC, HTML, CSS, JavaScript, JSON, Bootstrap . Familiarity with UI frameworks such as Vue.js, AngularJS, React, or Knockout is a plus. Understanding of IIS , MVC architecture, and OWASP security ...

execute, maintain and improve Automated Test Frameworks and Automated Test Scripts for Web and Database applications Proven experience in writing automated test scripts using JavaScript Experience of using automation tools such as Selenium web driver IO (WDIO)/Cucumber etc, Selenium for UI testing and RestAssured for API testing Jenkins … left testing practices Pub Sub and MQ GCP (Cloud) testing approaches and methodology. SaaS Testing Skill set ideally including several of: Java, Cypher, Python, JavaScript, PHP, .NET, Go, SQL Server, MySQL API QMetry Test Rail BDD/TDD Jenkins Postman Insomnia" All profiles will be reviewed against the required skills ...

execute, maintain and improve Automated Test Frameworks and Automated Test Scripts for Web and Database applications Proven experience in writing automated test scripts using JavaScript Experience of using automation tools such as Selenium web driver IO (WDIO)/Cucumber etc, Selenium for UI testing and RestAssured for API testing Jenkins … left testing practices Pub Sub and MQ GCP (Cloud) testing approaches and methodology. SaaS Testing Skill set ideally including several of: Java, Cypher, Python, JavaScript, PHP, .NET, Go, SQL Server, MySQL API QMetry Test Rail BDD/TDD Jenkins Postman Insomnia" All profiles will be reviewed against the required skills ...

selection of more advanced courses to get you up to speed. Learn the Command Line (1.5 weeks) Learn Git & GitHub (1.5 weeks) Learn JavaScript (1.5 weeks) Learn Python 3 (1.5 weeks) JavaScript forms the foundation of almost everything you see on the Internet, so it will be essential! Python ...