1 to 25 of 138 Permanent JavaScript Jobs in Hertfordshire

NHibernate or Entity Framework) MSMQ Postman/SOAP, Cypress, Splunk Experience in newer languages such as Golang or Rust Web Development (HTML, CSS & SaSS, JavaScript, JQuery, node.js, ECMAScript) JavaScript frameworks (e.g. AngularJS, KnockoutJS) Front-end frameworks (e.g. Bootstrap, Blazor) What can we do for you? Holiday purchase scheme, with More ❯

interfaces. Integrate with RESTful APIs and cloud-based services. Participate in code reviews, design discussions, and agile ceremonies. Key Skills & Experience: Strong proficiency in JavaScript and TypeScript . Advanced knowledge of React.js and familiarity with modern React patterns (hooks, context, etc.). Solid understanding of HTML5 , CSS3 , and responsive web More ❯

interfaces. Integrate with RESTful APIs and cloud-based services. Participate in code reviews, design discussions, and agile ceremonies. Key Skills & Experience: Strong proficiency in JavaScript and TypeScript . Advanced knowledge of React.js and familiarity with modern React patterns (hooks, context, etc.). Solid understanding of HTML5 , CSS3 , and responsive web More ❯

interfaces. Integrate with RESTful APIs and cloud-based services. Participate in code reviews, design discussions, and agile ceremonies. Key Skills & Experience: Strong proficiency in JavaScript and TypeScript . Advanced knowledge of React.js and familiarity with modern React patterns (hooks, context, etc.). Solid understanding of HTML5 , CSS3 , and responsive web More ❯

We're seeking a Senior Full-Stack Developer with 10+ years of experience in software development and 7+ years in backend development using JavaScript/TypeScript and Node.js. Must have strong full-stack skills with React, deep knowledge of cloud platforms (AWS, Azure, or GCP), and experience with serverless architecture More ❯

Computer Science or a related field Basic understanding of SQL and relational databases (e.g. SQL Server) Familiarity with web development technologies (e.g. HTML, CSS, JavaScript) Exposure to DevOps concepts and tools (e.g. CI/CD pipelines) Understanding of unit test frameworks (e.g. NUnit, MSTest) Knowledge of any additional programming languages More ❯

Strong Azure Cloud experience (Networking, Storage, Kubernetes, etc.). .NET Core/.NET 6+ and C# proficiency. Experience with Java, web development (HTML, CSS, JavaScript, etc.), Web API, and front-end frameworks. Database skills with SQL Server, Cosmos DB, and ORM technologies. Testing and source control experience (NUnit, MSTest, xUnit More ❯

in C# and .NET. Expertise in: .NET Framework and WinForms Modern .NET (.NET 9) SQL Server (including performance optimisation) Front-end tech (HTML, CSS, JavaScript) Proven experience with application modernisation, including migrating legacy WinForms applications to modern web platforms (Blazor preferred). ·Strong understanding of layered architecture and best practices More ❯

in C# and .NET. Expertise in: .NET Framework and WinForms Modern .NET (.NET 9) SQL Server (including performance optimisation) Front-end tech (HTML, CSS, JavaScript) Proven experience with application modernisation, including migrating legacy WinForms applications to modern web platforms (Blazor preferred). ·Strong understanding of layered architecture and best practices More ❯

in C# and .NET. Expertise in: .NET Framework and WinForms Modern .NET (.NET 9) SQL Server (including performance optimisation) Front-end tech (HTML, CSS, JavaScript) Proven experience with application modernisation, including migrating legacy WinForms applications to modern web platforms (Blazor preferred). ·Strong understanding of layered architecture and best practices More ❯

into development and release cycles. Utilize Azure DevOps for planning, tracking, and testing coordination. Candidate Requirements: Strong proficiency with Apex, Lightning Web Components (LWC), JavaScript, and HTML/CSS. Experience with Salesforce configuration, including custom objects, workflows, validation rules, and page layouts. Familiarity with Salesforce sharing model and security best More ❯

into development and release cycles. Utilize Azure DevOps for planning, tracking, and testing coordination. Candidate Requirements: Strong proficiency with Apex, Lightning Web Components (LWC), JavaScript, and HTML/CSS. Experience with Salesforce configuration, including custom objects, workflows, validation rules, and page layouts. Familiarity with Salesforce sharing model and security best More ❯

Storage, Kubernetes, App Services, API Manager, Monitoring) .NET Core/.NET 6+. .NET Framework (version 3.5+) and C#. Java. Web Development (HTML, CSS & SaSS, JavaScript, JQuery, node.js, ECMAScript). Web API (RESTful). JavaScript frameworks (e.g. AngularJS, KnockoutJS). Front-end frameworks (e.g. Bootstrap, Blazor). SQL Server (T-SQL More ❯

Future Talent Pool - Full Stack Software Engineers from typescript/node javascript backgrounds, you'll be working with a major consumer products client on latest microservices ecommerce software solutions. The Role Excellent opportunity to work with leading online consumer products company in leading agile commerce development team, developing dynamic, enterprise More ❯

Future Talent Pool - Full Stack Software Engineers from typescript/node javascript backgrounds, you'll be working with a major consumer products client on latest microservices ecommerce software solutions. The Role Excellent opportunity to work with leading online consumer products company in leading agile commerce development team, developing dynamic, enterprise More ❯

Future Talent Pool - Full Stack Software Engineers from typescript/node javascript backgrounds, you'll be working with a major consumer products client on latest microservices ecommerce software solutions. The Role Excellent opportunity to work with leading online consumer products company in leading agile commerce development team, developing dynamic, enterprise More ❯

Future Talent Pool - Full Stack Software Engineers from typescript/node javascript backgrounds, you'll be working with a major consumer products client on latest microservices ecommerce software solutions. The Role Excellent opportunity to work with leading online consumer products company in leading agile commerce development team, developing dynamic, enterprise More ❯

equivalent in Computer Science, Engineering, or related discipline Extensive experience leading software development teams and delivering digital platforms Strong hands-on experience with C#, JavaScript (React/Node), Azure DevOps, SQL, and Azure PaaS Experience with eCommerce platforms, CMS (preferably Umbraco), APIs and CI/CD pipelines Understanding of mobile More ❯

equivalent in Computer Science, Engineering, or related discipline Extensive experience leading software development teams and delivering digital platforms Strong hands-on experience with C#, JavaScript (React/Node), Azure DevOps, SQL, and Azure PaaS Experience with eCommerce platforms, CMS (preferably Umbraco), APIs and CI/CD pipelines Understanding of mobile More ❯

equivalent in Computer Science, Engineering, or related discipline Extensive experience leading software development teams and delivering digital platforms Strong hands-on experience with C#, JavaScript (React/Node), Azure DevOps, SQL, and Azure PaaS Experience with eCommerce platforms, CMS (preferably Umbraco), APIs and CI/CD pipelines Understanding of mobile More ❯

release cycles. Utilize Azure DevOps for planning, tracking, and coordinating testing efforts. Salesforce Developer – Candidate Requirements: Strong proficiency with Apex, Lightning Web Components (LWC), JavaScript, and HTML/CSS. Experience with Salesforce configuration, including custom objects, workflows, validation rules, and page layouts. Familiarity with Salesforce sharing model and security best More ❯

release cycles. Utilize Azure DevOps for planning, tracking, and coordinating testing efforts. Salesforce Developer – Candidate Requirements: Strong proficiency with Apex, Lightning Web Components (LWC), JavaScript, and HTML/CSS. Experience with Salesforce configuration, including custom objects, workflows, validation rules, and page layouts. Familiarity with Salesforce sharing model and security best More ❯

release cycles. Utilize Azure DevOps for planning, tracking, and coordinating testing efforts. Salesforce Developer – Candidate Requirements: Strong proficiency with Apex, Lightning Web Components (LWC), JavaScript, and HTML/CSS. Experience with Salesforce configuration, including custom objects, workflows, validation rules, and page layouts. Familiarity with Salesforce sharing model and security best More ❯

release cycles. Utilize Azure DevOps for planning, tracking, and coordinating testing efforts. Salesforce Developer Candidate Requirements: Strong proficiency with Apex, Lightning Web Components (LWC), JavaScript, and HTML/CSS. Experience with Salesforce configuration, including custom objects, workflows, validation rules, and page layouts. Familiarity with Salesforce sharing model and security best More ❯

release cycles. Utilize Azure DevOps for planning, tracking, and coordinating testing efforts. Salesforce Developer – Candidate Requirements: Strong proficiency with Apex, Lightning Web Components (LWC), JavaScript, and HTML/CSS. Experience with Salesforce configuration, including custom objects, workflows, validation rules, and page layouts. Familiarity with Salesforce sharing model and security best More ❯