1 to 25 of 146 Permanent JavaScript Jobs in Northern Ireland

lifecycle. Experience/Competences Essential Proven experience as a senior or principal UI engineer within complex, high-performance systems. Strong expertise in React, TypeScript, JavaScript, and modern UI development practices. Experience with UI component libraries such as Material UI or Ant Design. Proficiency in HTML5, CSS, and responsive design principles. ...

changes clearly and thoroughly. What You'll Bring Relevant software development experience, with strong expertise in .NET (C#). Front-end technologies - Angular, TypeScript, JavaScript, HTML, CSS. SQL Server, MySQL, and PostgreSQL. AWS or Azure. Experience in a client-facing or business-facing technical role. Maintaining and modernising legacy systems ...

Strong collaboration and communication skills, with the ability to work effectively across technical and non-technical stakeholders. Desirable Experience building web front ends using JavaScript and modern frameworks such as React, Vue, or Blazor. Experience with containerisation technologies such as Docker or Kubernetes. Understanding of SOLID principles and software design ...

developer experience.**Required Experience & Skills****Technical Expertise*** Engineering Lead or Software Engineering Manager experience delivering large‐scale systems.* Proficiency in **Python, Java, TypeScript/JavaScript, or Go**.* Experience deploying **LLM/GenAI systems** to production with a focus on evaluation, safety, monitoring.* Strong background in distributed systems, microservices ...

should have commercial experience with: .NET, .NET Core/ASP.NET MVC, C#, Azure SQL and Agile. Full training will be provided into: .NET 9, JavaScript, React, Angular 19, Microservices, Vue.js, TypeScript, Azure, AWS, Web API 2, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and MongoDB. ...

should have commercial experience with: .NET, .NET Core/ASP.NET MVC, C#, Azure SQL and Agile. Full training will be provided into: .NET 9, JavaScript, React, Angular 19, Microservices, Vue.js, TypeScript, Azure, AWS, Web API 2, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and MongoDB. ...

passionate .NET Developer with experience in .NET, .NET Core/ASP.NET MVC, C# and Azure SQL. Our client will provide training in: .NET 9, JavaScript, React, Angular 19, Microservices, Vue.js, TypeScript, Azure, AWS, Web API 2, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and MongoDB. This is your ...

passionate .NET Developer with experience in .NET, .NET Core/ASP.NET MVC, C# and Azure SQL. Our client will provide training in: .NET 9, JavaScript, React, Angular 19, Microservices, Vue.js, TypeScript, Azure, AWS, Web API 2, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and MongoDB. This is your ...

.NET, .NET Core/ASP.NET MVC, C# and Azure SQL. Our client can provide you with Greenfield project work and exposure to: .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 ...

APIs Strong expertise with Camunda BPM (v7 or v8) – BPMN, DMN, external tasks, process orchestration Frontend: Experience in Angular , React , or Vue.js HTML5, CSS3, JavaScript/TypeScript Other Technologies: Integration experience with Databases (PostgreSQL, MySQL, MongoDB) Familiarity with Kafka , RabbitMQ , or other messaging tools Experience with Git , Maven/Gradle ...

.NET, .NET Core/ASP.NET MVC, C# and Azure SQL. Our client can provide you with Greenfield project work and exposure to: .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 ...

such as Optimizely, Sitecore, Umbraco, Alterian, Immediacy, Ektron, Kentico, Sitefinity or dotnetnuke. Our client can provide you with industry recognised 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 ...

trading systems or financial services is highly desirable due to the nature of the role. Our client will provide training in: .NET 9, JavaScript, Angular 19, Microservices, Vue.js, TypeScript, Azure, AWS, Web API 2, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and MongoDB. You will be part ...

able to demonstrate strong knowledge of: .NET Core/ASP.NET MVC, C# and Azure SQL. Any experience in the following is desirable: .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. Training will ...

have experience in .NET, .NET Core/ASP.NET MVC, C# and Azure SQL. You will receive training in all aspects of: .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. These .NET Developer ...

wearing many hats in an early-stage startup Care about inclusion and accessibility - especially for overlooked communities Our tech stack Frontend & Backend React, Nuxt, JavaScript/TypeScript FastAPI, Node.js REST, CRUD, GraphQL, WebSockets Cloud & Infra Azure (core platform) Microservices architecture CI/CD via GitHub Actions & Azure DevOps Infrastructure ...

test strategy, documentation, and best practices. What We're Looking For Proven experience in UI test automation for modern web applications. Strong knowledge of JavaScript/TypeScript , or other scripting languages. Experience with IaC tools (Terraform, Pulumi, etc.) and cloud platforms (AWS, Azure, or GCP). Familiarity with CI/ ...

Have) Experience with Azure App Services and Azure Service Bus Understanding of Agile methodologies (Scrum/Kanban) Familiarity with front-end technologies (HTML, CSS, JavaScript) Benefits: 34 days holiday plus extended Christmas shutdown Pension plan and flexible working Supportive, long-term career environment Ongoing training and professional development ...

Have) Experience with Azure App Services and Azure Service Bus Understanding of Agile methodologies (Scrum/Kanban) Familiarity with front-end technologies (HTML, CSS, JavaScript) Benefits: 34 days holiday plus extended Christmas shutdown Pension plan and flexible working Supportive, long-term career environment Ongoing training and professional development ...

effectively and raise impediments early to minimise delivery risks. Experience & Competencies Essential Proven experience building modern, scalable, and maintainable web interfaces using React, TypeScript, JavaScript, and HTML/CSS, following reusable design patterns. Strong knowledge of HTML5, React16+, TypeScript4+, JavaScriptES6, and JSX. Experience delivering consistent UX and UI across browsers. ...

feedback to make your work even better You can read more about our engineering values here Great to haves Familiarity with C#/.NET, JavaScript/TypeScript and React Expertise with an OOP language (eg. Java, C++) and a modern JS framework (eg. Angular, Proficiency in working on a distributed ...

Skills & Experience Essential: Degree in Computer Science or other numerate discipline, or equivalent experience. Experience in full stack software development, ideally using Java and JavaScript/TypeScript. Ability to put together well thought-through designs for software components. Ability to write high quality code. Experience with agile development methodologies. Technical ...

C#, ASP.NET, MVC, HTML, CSS, JavaScript, Entity Framework, SQL. Azure service bus. C++, FIX protocol, SignalR, RabbitMQ, Azure DevOps. Good opportunity to join our really great client based in South East England (In our humble opinion!) They are a quality-driven development team focused on delivering a great product. ...

critical solutions Provide second-line technical support as needed Essential experience: 5+ years in commercial software development Proficiency in C#, .NET, SQL Server, and JavaScript Experience with Azure services and DevOps tools Understanding of secure coding and software development best practices Desirable experience: Microservices, containers (Docker/Kubernetes) Front ...

critical solutions Provide second-line technical support as needed Essential experience: 5+ years in commercial software development Proficiency in C#, .NET, SQL Server, and JavaScript Experience with Azure services and DevOps tools Understanding of secure coding and software development best practices Desirable experience: Microservices, containers (Docker/Kubernetes) Front ...