26 to 50 of 82 JavaScript Jobs in Hertfordshire

.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 ❯

libraries such as Vue or React Experience with tooling and task runners (webpack, npm, nuget, etc) Data Access Technologies (Entity Framework, Dapper) Proficient in core front-end web technologies (JavaScript, HTML, CSS) Experience of developing server-side components (.NET 6+ preferred) Understanding and use of RESTfulAPI, web services and databases Other skills which would provide an advantage are: Familiarity with … Typescript Experience with JavaScript mapping libraries such as Leaflet, OpenLayers and Google Maps Familiarity with Dependency Injection Experience with web frameworks such as Blazor Excellent written and verbal English communication skills Employee benefits include: Competitive salary 30 days annual leave Core hour flexibility Company pension scheme Private health insurance Private dental insurance Gym membership Cycle to work scheme Life insurance More ❯

and data protection in cloud-based solutions. Required experience: 1-2 years of experience in software testing, including test automation. Working knowledge of a programming language such as Java, JavaScript, or C#. Understanding of Object-Oriented Programming (OOP) concepts and their application in test frameworks. Hands-on experience with at least one automation tool (e.g., Selenium, Playwright, REST-assured). More ❯

Magnopus is on a mission to bridge the physical & digital divide with our groundbreaking set of client applications powered by the Connected Spaces Platform ; an open-source SDK that is paving the way for the future of the spatial internet. More ❯

.NET Developer, .NET 9, C# - Global Internet Icon - Hitchin (Tech stack: .NET Developer, .NET 9, Blazor, Azure, JavaScript, HTML5, CSS3, Agile, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client has long been a classic internet icon; today it has evolved into an integrated and diversified modern media company. We are seeking .NET Developer to work on one of the … have a skill set that encompasses: .NET, .NET Core/ASP.NET MVC, C#, Azure SQL and Agile. Full training will be provided into: .NET 9, Blazor, EF Core, Azure, JavaScript, HTML5, CSS3, Agile, TDD, BDD and MongoDB. Our client offers a truly refreshing working environment including: flexible working hours, home working, casual dress code, onsite gym and games room and More ❯

.NET Developer - Software House - Welwyn Garden City (Tech stack: .NET Developer, .NET 9, Blazor, Azure, JavaScript, HTML5, CSS3, Agile, Programmer, Full Stack Engineer, Architect, .NET Developer) Do you want to work for an internationally recognised brand? Do you want to work on enterprise level .NET/C# software development projects and gain exposure to cutting edge technologies? Do you want … .NET Developer applicants should be experienced in: .NET, .NET Core/ASP.NET MVC, C# and Azure SQL. Our client can provide training into: .NET 9, Blazor, EF Core, Azure, JavaScript, HTML5, CSS3, Agile, TDD, BDD, Azure SQL and MongoDB. You will be working alongside an MVP and well respect author on Agile and .NET/C# development. This is a More ❯

.NET Developer - Europe's Largest Radio Station Group - Cheshunt (Tech stack: .NET Developer, .NET 9, Blazor, Azure, JavaScript, HTML5, CSS3, Agile, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is Europe's largest and most profitable commercial radio group. In order to keep pace with the new digital technologies being developed, they are transforming their stations into interactive brands … set that encompasses: .NET, .NET Core/ASP.NET MVC, C# and Azure SQL. Our client can provide you with industry recognised training in: .NET 9, Blazor, EF Core, Azure, JavaScript, HTML5, CSS3, Agile, TDD, BDD and MongoDB. This is an exciting opportunity to work on complex enterprise level .NET/C# software development projects. Our client offers a structured career More ❯

FinTech as they will best know how to deliver within some of the more pernikety intracacies of regulations and guidance. About the Tech: The platform is built using modern JavaScript tools and cloud infrastructure. The current stack includes: TypeScript, Node.js, React, and GraphQL MongoDB Atlas AWS-based infrastructure using ECS, Lambda, and CloudWatch CI/CD pipelines with GitHub Actions … DevOps-first, test-driven approach to feature delivery. You’ll be central to making that happen. What You’ll Bring Must-haves: 5+ years of experience with TypeScript/JavaScript across front and back end Strong experience with React, Node.js, and GraphQL Proven ability to lead or mentor other developers - formally/informally Clear understanding of modern testing, CI/ More ❯

Applicants should have knowledge of: .NET, .NET Core/ASP.NET MVC, C#, and Azure SQL. Training will be provided in: .NET 9, Web API 2, Entity Framework, Microservices, Azure, JavaScript, Angular 19, Bootstrap, Agile, and MongoDB. All positions offer the following benefits: 15% bonus 10% pension Weekly office code competition 5 days of brainstorming time per month 28 days holiday More ❯

Our client offers over 20 days of dedicated technical training per year and exposure to cutting edge technologies such as: .NET 9, Web API 2, Entity Framework, Microservices, Azure, JavaScript, Angular 19, Bootstrap, Agile and MongoDB. Additionally you will follow an official structured career progression program. Location: Bishop's Stortford, Hertfordshire, UK/Remote Working Salary More ❯

experienced in: .NET, .NET Core/ASP.NET MVC, C# and Azure SQL. You will be trained in all aspects of: .NET 9, Web API 2, Entity Framework, Microservices, Azure, JavaScript, Angular 19, Bootstrap, Agile and MongoDB. Top performers can expect to receive their first promotion (and pay rise) within 6 months. Our client offers a unique working environment including a More ❯

Salesforce Developer with background in enterprise-level Salesforce implementations Specific experience with the Sales, Service and Experience/Community Salesforce Cloud 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. Understanding of working within an Agile/Scrum methodologies and basic DevOps practices. More ❯

as OpenAI APIs, to enhance automation and intelligent workflows Deep understanding of RESTful APIs, webhooks, and serverless/cloud-based architecture Confidence in writing maintainable, production-grade TypeScript/JavaScript code across the frontend and backend Comfortable with tools and platforms such as n8n, Postman, GitHub Actions, and Google Cloud Services A strong ownership mindset, able to deliver end-to More ❯

full-scale deployment. Skills & experience Technical Expertise Understanding of transformer architectures, and large-scale language models. Experience with data engineering, model optimisation, and distributed computing. Strong programming skills in JavaScript, or Python/other AI-related languages. Strong SQL and data analytics skills. Familiarity with cloud platforms (AWS and Azure) for AI deployment. Knowledge of MLOps principles for scaling AI More ❯

About the role We have an exciting opportunity for a Full-Stack JavaScript Engineer to join the elementsuite team-someone who's passionate about building high-quality products and tools across the stack. This role blends front-end finesse with back-end capability, and we're especially keen to meet developers who can pair modern JavaScript frameworks with solid SQL … world of work: intuitive, connected, and AI-enabled. Key responsibilities in the role will include: Building innovative, high-quality features in line with the elementsuite roadmap. Writing clean, reusable JavaScript code using modern frameworks (Vue.js, Knockout.js). Creating responsive, user-focused UI/UX with HTML5, CSS3, and SASS. Designing and writing performant SQL queries to support data-driven functionality. … others. Supporting operational sessions with technical insight and analysis. Staying mindful of performance across both client and server-side code. Skills & experience Proven experience in a full-stack or JavaScript-focused software engineering role. Strong JavaScript skills and experience with modern frameworks (Vue.js, Knockout.js, jQuery). Solid working knowledge of SQL , relational databases, and writing efficient queries. Good understanding of More ❯

About the role We have an exciting opportunity for a JavaScript Engineer to join the elementsuite team, who’s passionate about creating engaging, high-quality products and tools. You'll be working closely with our Application Development team, contributing to our cutting-edge HR software platform. This is a hands-on role where you’ll build user-centric, performant interfaces … exceptional employee experiences and help our customers thrive. Key responsibilities in the role will include: Building innovative, high-quality products in line with the elementsuite roadmap. Writing clean, reusable JavaScript code using modern frameworks (e.g. Vue.js, Knockout.js). Developing responsive UI/UX experiences using HTML5, CSS3, and SASS. Testing your work thoroughly with appropriate unit testing before release. Estimating … peer reviews, giving and receiving feedback, and continually learning. Skills & experience Demonstrable experience working in a software engineering environment (any experience in HR software would be advantageous). Strong JavaScript skills and experience with modern frameworks (Vue.js, Knockout.js, jQuery). Solid understanding of MVVM, responsive design, and UI/UX principles. Experience working with APIs and data visualisation tools like More ❯

cycle and play a major part in the projects path and delivery. Ideal Candidate: - Proficient in Proficient in Node.js, PHP, AWS & MySQL - Skilled in front end tech - HTML, CSS JavaScript etc - Experience with Git is desirable - Knowledge of best practices - Strong problem-solving skills Key Responsibilities: 1. Develop and maintain web based applications 2. Collaborate with the development team on More ❯

architecture, with the chance to influence application design patterns and best practices across the stack. The Tech: C# development in a modern .NET 6 MVC environment Data Access Technologies JavaScript, HTML, CSS for core UI builds Vue or React (virtual DOM libraries) for interactive front ends Tooling with npm, Webpack, NuGet REST APIs and web services, integrating with spatial databases More ❯

weeks) The second step includes a 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 is highly versatile. You can More ❯

Excellent verbal, presentation and written communication skills Knowledge of using Microsoft Windows and Linux operating systems Desirable: Distributed simulation standards/Protocols (DIS, HLA, DDS) and web services development (JavaScript, Node JS or similar) Military Communications, Datalinks and Interfaces such as 1553/1760 and Ethernet TCP/IP Practical knowledge of System integration principles and processes More ❯

Excellent verbal, presentation and written communication skills Knowledge of using Microsoft Windows and Linux operating systems Desirable: Distributed simulation standards/Protocols (DIS, HLA, DDS) and web services development (JavaScript, Node JS or similar) Military Communications, Datalinks and Interfaces such as 1553/1760 and Ethernet TCP/IP Practical knowledge of System integration principles and processes More ❯

verbal, presentation and written communication skills Knowledge of using Microsoft Windows and Linux operating systems Non-essential Distributed simulation standards/Protocols (DIS, HLA, DDS) and web services development (JavaScript, Node JS or similar) Military Communications, Datalinks and Interfaces such as 1553/1760 and Ethernet TCP/IP Practical knowledge of System integration principles and processes More ❯

verbal, presentation and written communication skills Knowledge of using Microsoft Windows and Linux operating systems Non-essential Distributed simulation standards/Protocols (DIS, HLA, DDS) and web services development (JavaScript, Node JS or similar) Military Communications, Datalinks and Interfaces such as 1553/1760 and Ethernet TCP/IP Practical knowledge of System integration principles and processes More ❯

having a direct and meaningful impact on the business. What You'll Need : Experience with PHP 8, Node.js, MySQL, Redis, AWS. Solid understanding of front-end technologies: HTML, CSS, JavaScript, and responsive web design. What They Offer : An exciting and supportive culture where you can explore ideas to develop and grow professionally and personally. They foster a collaborative and inclusive More ❯

Junior Software Engineer (Python/JavaScript) Remote - 2 days per month in Birmingham £25,000 to £35,000 depending on experience An exciting opportunity for a recent graduate or junior software engineer to launch their career with a fast-growing, tech-focused start-up. The company has recently secured fresh funding and already partners with household names such as GymShark … collaborate with a small but experienced team to develop and maintain interactive content and gamified training tools. It's a great opportunity to strengthen your skills in Python and JavaScript (Vue), supported by a team that values curiosity, autonomy, and practical problem-solving. The ideal candidate is a recent graduate or junior developer with a passion for coding and learning. … Whether your experience comes from academic work, personal projects, or internships, if you're enthusiastic about Python and JavaScript and eager to get stuck in with modern frameworks like Vue or React, we'd love to hear from you. This is a rare opportunity to join a start-up on the rise, where you'll have the space to make More ❯