1 to 25 of 78 JavaScript Jobs in Hertfordshire

UI components Maintain and test .NET microservices Create clear technical documentation Collaborate with a cross-functional team to deliver high-impact solutions What Do You Need?: Strong skills in JavaScript, TypeScript, HTML, CSS, C# Experience with Svelte, Angular, Vue.js, React, .NET 7/8 Hands-on with Docker, Kubernetes, GitLab, Node.js, CI/CD pipelines Solid understanding of OOP, data 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, Docker/Kubernetes, and microservices. Proficiency with Git, CI/ More ❯

UI components Maintenance and testing of .net microservices Creating the appropriate documentation Collaborating with and assisting other members of the team Skillset/experience required: Essential experience: Programming Languages:- JavaScript, Typescript, HTML, CSS, C# Framework & Libraries:- Svelte, Angular, Vue.js, React, .NET 7/8 Tools and Technologies Visual Studio, Jira, GitLab, Node.js, npm CI, Docker, Kubernetes, Artifactory You have experience More ❯

UI components Maintenance and testing of .net microservices Creating the appropriate documentation Collaborating with and assisting other members of the team Skillset/experience required: Essential experience: Programming Languages:- JavaScript, Typescript, HTML, CSS, C# Framework & Libraries:- Svelte, Angular, Vue.js, React, .NET 7/8 Tools and Technologies Visual Studio, Jira, GitLab, Node.js, npm CI, Docker, Kubernetes, Artifactory You have experience More ❯

UI components Maintenance and testing of .net microservices Creating the appropriate documentation Collaborating with and assisting other members of the team Skillset/experience required: Essential experience: Programming Languages:- JavaScript, Typescript, HTML, CSS, C# Framework & Libraries:- Svelte, Angular, Vue.js, React, .NET 7/8 Tools and Technologies Visual Studio, Jira, GitLab, Node.js, npm CI, Docker, Kubernetes, Artifactory You have experience More ❯

UI components Maintenance and testing of .net microservices Creating the appropriate documentation Collaborating with and assisting other members of the team Skillset/experience required: Essential experience: Programming Languages:- JavaScript, Typescript, HTML, CSS, C# Framework & Libraries:- Svelte, Angular, Vue.js, React, .NET 7/8 Tools and Technologies Visual Studio, Jira, GitLab, Node.js, npm CI, Docker, Kubernetes, Artifactory You have experience More ❯

UI components Maintenance and testing of .net microservices Creating the appropriate documentation Collaborating with and assisting other members of the team Skillset/experience required: Essential experience: Programming Languages:- JavaScript, Typescript, HTML, CSS, C# Framework & Libraries:- Svelte, Angular, Vue.js, React, .NET 7/8 Tools and Technologies Visual Studio, Jira, GitLab, Node.js, npm CI, Docker, Kubernetes, Artifactory You have experience More ❯

UI components Maintenance and testing of .net microservices Creating the appropriate documentation Collaborating with and assisting other members of the team Skillset/experience required: Essential experience: Programming Languages:- JavaScript, Typescript, HTML, CSS, C# Framework & Libraries:- Svelte, Angular, Vue.js, React, .NET 7/8 Tools and Technologies Visual Studio, Jira, GitLab, Node.js, npm CI, Docker, Kubernetes, Artifactory You have experience More ❯

documentation Collaborating with and assisting other members of the team The Role: So, what will you be doing as a Full Stack Software Development Engineer Essential experience: Programming Languages:- JavaScript, Typescript, HTML, CSS, C# Framework & Libraries:- Svelte, Angular, Vue.js, React, .NET 7/8 Tools and Technologies Visual Studio, Jira, GitLab, Node.js, npm CI, Docker, Kubernetes, Artifactory You have experience More ❯

UI components Maintenance and testing of .net microservices Creating the appropriate documentation Collaborating with and assisting other members of the team Skillset/experience required: Essential experience: Programming Languages:- JavaScript, Typescript, HTML, CSS, C# Framework & Libraries:- Svelte, Angular, Vue.js, React, .NET 7/8 Tools and Technologies Visual Studio, Jira, GitLab, Node.js, npm CI, Docker, Kubernetes, Artifactory You have experience More ❯

month contract Based in Stevenage Offering up to £67ph Inside IR35 Do you have experience as a Full Stack Developer? Do you have experience with programming languages such as JavaScript? Do you want to work with an industry-leading company? If your answer to these is yes, then this could be the role for you! As the Full Stack Software … the Web UI components Maintenance and testing of .net microservices Creating the appropriate documentation Collaborating with and assisting other members of the team Your skillset may include: Programming Languages - JavaScript, Typescript, HTML, CSS, C# Framework & Libraries - Svelte, Angular, Vue.js, React, .NET 7/8 Tools and Technologies - Visual Studio, Jira, GitLab, Node.js, npm CI, Docker, Kubernetes, Artifactory Experience working on More ❯

development of the Web UI components Maintenance and testing of .net microservices Creating the appropriate documentation Collaborating with and assisting other members of the team Essential experience: Programming Languages:- JavaScript, Typescript, HTML, CSS, C# Framework & Libraries:- Svelte, Angular, Vue.js, React, .NET 7/8 Tools and Technologies Visual Studio, Jira, GitLab, Node.js, npm CI, Docker, Kubernetes, Artifactory You have experience More ❯

Git) Desirable Skills: Degree in 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 or frameworks (e.g. VB6, Python More ❯

month contract Based in Stevenage Offering up to £67ph Inside IR35 Do you have experience as a Full Stack Developer? Do you have experience with programming languages such as JavaScript? Do you want to work with an industry-leading company? If your answer to these is yes, then this could be the role for you! As the Full Stack Software … the Web UI components Maintenance and testing of .net microservices Creating the appropriate documentation Collaborating with and assisting other members of the team Your skillset may include: Programming Languages - JavaScript, Typescript, HTML, CSS, C# Framework & Libraries - Svelte, Angular, Vue.js, React, .NET 7/8 Tools and Technologies - Visual Studio, Jira, GitLab, Node.js, npm CI, Docker, Kubernetes, Artifactory Experience working on More ❯

.NET, .NET Core/ASP.NET MVC, C# and Azure SQL. Knowledge of software development methodologies is of interest (Agile, Scrum). My client will provide training in: .NET 9, JavaScript, React, Angular 19, Microservices, MongoDB, Vue.js, TypeScript, Azure, AWS, Web API 2, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and MongoDB. This is a truly exciting project, one More ❯

orientated development principles and technologies such as: .NET, .NET Core/ASP.NET MVC, C# and Azure SQL. You will receive expert training on the latest technologies including: .NET 9, JavaScript, React, Angular 19, Microservices, MongoDB, Vue.js, TypeScript, Azure, AWS, Web API 2, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and MongoDB. All positions come with the following benefits More ❯

of queue systems (SQS, Redis, Beanstalk, or similar) Understanding of load balancing, caching strategies, and CDN implementation Experience with containerization (Docker) and orchestration tools Frontend Development Proficiency in modern JavaScript (ES6+) Experience with frontend frameworks (React, Vue.js, or similar) Strong HTML5, CSS3, and responsive design skills Understanding of build tools and asset compilation General Requirements Strong problem-solving and analytical More ❯

to this role, you will need to be proficient in either Python and/or JavaScript. Your role will require proficiency in at least one programming language/framework (JavaScript, TypeScript, Python, C, C#, C++, HTML/CSS, React, Go, Java, Kotlin, SQL, or Swift) in order to solve coding problems (think LeetCode, HackerRank, etc). For each coding problem … Write high-quality answers and code snippets Evaluate code quality produced by AI models for correctness and performance Qualifications Fluency in English Proficient in either Python and/or JavaScript Detail-oriented Excellent writing and grammar skills A bachelor's degree (completed or in progress) Note: Payment is made via PayPal. We will never ask for any money from you. More ❯

Experience and Skills Degree or 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 development technologies is highly desirable More ❯

Experience And Skills Degree or 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 development technologies is highly desirable More ❯

integrated into the development and 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 practices in Experience Cloud. Background More ❯

integrated into the development and 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 practices in Experience Cloud. Background More ❯

.NET Developer, .NET 9, C# - Global Record Label - Hertford (Tech stack: .NET Developer, .NET 9, Azure, Angular 19, Multithreading, RESTful, Web API 2, JavaScript, Programmer, Full Stack Engineer, Architect, .NET Developer) We are pleased to announce that our client, one of the largest and most recognised brands within the music industry, is seeking .NET Developer to work out of their … .NET Core/ASP.NET MVC, C# and Azure SQL. Our client can provide training into: .NET 9, Azure, Angular 19, Solid, DRY, LINQ, multithreading, Microservices, RESTful, Web API 2, JavaScript, HTML5, Agile and MongoDB. My client offers flexible working hours, home working and amazing offices (onsite cinema, pool tables, bar, free canteen, gym). These positions are dope!!! Location: Hertford More ❯

.NET Developer - St Albans (Tech stack: .NET Developer, .NET 9, C#, Azure, Angular 19, Multithreading, RESTful, Web API 2, JavaScript, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is a global video technology company with a strong presence in 17 countries. Using cutting edge technologies they help their clients join the dots on Facebook, YouTube and the social web. … give you the opportunity to work on enterprise level software development projects and training into: .NET 9, Azure, Angular 19, Solid, DRY, LINQ, multithreading, Microservices, RESTful, Web API 2, JavaScript, HTML5, Agile and MongoDB. You will follow the firm's rapid career progression programme. Previous top performers have achieved several promotions (and pay rises) within 12 months of joining. If More ❯

.NET Developer - Harpenden (Tech stack: .NET Developer, .NET 9, Azure, Angular 19, Multithreading, RESTful, Web API 2, JavaScript, Programmer, Full Stack Engineer, Architect, .NET Developer) After 15 years' experience in the fashion industry, our client has a mission to change the way people find clothes they love by combining technology with the personal touch of seasoned style experts. Our client … ASP.NET MVC, C# and Azure SQL. There are opportunities for training into technologies such as: .NET 9, Azure, Angular 19, Solid, DRY, LINQ, multithreading, Microservices, RESTful, Web API 2, JavaScript, HTML5, Agile and MongoDB. Their benefits include the following: Bonus (10-15%). Share options. Private medial healthcare (family plan included). Company pension (15% company contribution). Home working More ❯