1 to 25 of 38 Permanent JavaScript Jobs in Northern Ireland

software engineering experience and a good understanding of modern development practices. You should have experience with several of the following: Java, C#, .NET, Python, JavaScript, TypeScript or another relevant language Object oriented programming and software design principles SQL and database technologies REST APIs and integrations Git and source control Automated ...

professional environment.* Front-end skills + Proficient in HTML5, CSS3, and Typescript + Proficient in React, Redux, ReactQuery + Experience with modern JavaScript frameworks - React + Knowledge of version control systems (Git) + Understanding of cross-browser compatibility + Familiarity with RESTful APIs, GraphQL and Websockets + Experience with ...

Engineer in Typescript in a professional environment. Front-end skills Proficient in HTML5, CSS3, and Typescript Proficient in React, Redux, ReactQuery Experience with modern JavaScript frameworks - React Knowledge of version control systems (Git) Understanding of cross-browser compatibility Familiarity with RESTful APIs, GraphQL and Websockets Experience with CSS pre-processors ...

Education Bachelor's degree in Computer Science, Software Engineering, or a related field (or equivalent practical experience). Technical Skills Commercial experience of React.js, JavaScript, HTML, and CSS. Understanding of Java Familiarity with REST APIs. Knowledge of version control systems such as Git. Knowledge of Agile/Scrum methodologies Basic ...

Quality Engineering, Test Automation Development, or Software Testing. 2+ years building and maintaining automated test frameworks from the ground up using C#, Python, Java, JavaScript, or TypeScript with tools such as Selenium WebDriver, Cypress, Playwright, XCUITest, Espresso and Appium. Strong experience with API testing tools and frameworks (Postman, REST Assured ...

scripting languages; Python, GO, PowerShell, Bash, Groovy* Programming language with a working knowledge in at least one of Java, C# (.NET Framework/Core), JavaScript (Node.js), Ruby, C++* Developer tooling; Full stack CI/CD, GitLab, Jenkins, SonarQubeNexus* Knowledge and working experience of containerising application components including writing DockerFiles ...

Automate, Dataverse Experience of implementing D365 CE modules such as Sales, Customer Service, Contact Centre, Customer Insights Front end development experience using HTML, CSS, JavaScript, jQuery, Liquid Template Strong server-side development experience C#/.Net Strong experience using Plugins, Custom Workflow Activities, Custom APIs Integration experience with REST APIs ...

scripting languages; Python, GO, PowerShell, Bash, Groovy Programming language with a working knowledge in at least one of Java, C# (.NET Framework/Core), JavaScript (Node.js), Ruby, C++ Developer tooling; Full stack CI/CD, GitLab, Jenkins, SonarQubeNexus Knowledge and working experience of containerising application components including writing DockerFiles ...

building cloud‐native systems (Azure preferred) Solid understanding of APIs, distributed systems, and modern delivery practices (CI/CD, automated testing, observability) HTML, CSS, JavaScript Experience with Blazor/MVC (or other UI frameworks) Strong problem‐solving and communication skills RESTful API principles and design decisions Knowledge of design patterns ...

Automate, Dataverse Experience of implementing D365 CE modules such as Sales, Customer Service, Contact Centre, Customer Insights Front end development experience using HTML,CSS, JavaScript, jQuery, LiquidTemplate Strong server-side development experience C#/.Net Strong experience usingPlugins, Custom Workflow Activities, Custom APIs Integration experience withRESTAPIs/custom connectors Azure ...

with CE modules such as Sales, Marketing, Customer Service, Field Service and Customer Insights) C# plug-in development and PCF development (TypeScript/React) JavaScript form customisation and Power Automate Knowledge of public cloud platforms, such as AWS and Azure, including SaaS and PaaS offerings Desirable Typescript REST API integrations ...

have: Extensive experience in QA automation within Agile environments Strong hands-on experience with Playwright, Selenium, Cypress or WebDriverIO Strong programming experience in Java, JavaScript or TypeScript Experience designing and maintaining scalable automation frameworks Strong API, functional and end-to-end testing experience Experience integrating automated testing into CI/ ...

hands-on technical capacity. Strong software engineering expertise across modern languages and frameworks, including experience coding in one or more of: Python, Go, TypeScript, JavaScript or React. Experience delivering AI-enabled or Generative AI solutions within enterprise environments. Experience building enterprise-scale cloud-native applications using Kubernetes, containers, microservices ...

Able to work on-site four days per week at our Belfast office Extensive meaningful hands-on engineering experience developing large scale systems using JavaScript, TypeScript, or similar. Direct hands-on experience with and deep knowledge of React and TypeScript, plus one or more UI back-ends (Rails, Swing, Node ...

ability to work with evolving requirements Good communication skills and experience working in cross-functional teams Nice to Have Experience with TypeScript or JavaScript Experience contributing to frontend applications (React) Familiarity with observability tooling (logging, monitoring, tracing) Experience with data modelling and metadata management Exposure to CI/CD practices ...

Java or Python*** Deep experience with backend frameworks such as **Spring Boot/Spring Core** and **Flask/FastAPI*** Solid frontend experience with **modern JavaScript frameworks** (React, Angular, or Vue)* Experience designing and delivering **scalable, cloud‐native applications*** Exposure to Gen‐AI concepts including: + Large Language Models (LLMs ...

Java or Python Deep experience with backend frameworks such as Spring Boot/Spring Core and Flask/FastAPI Solid frontend experience with modern JavaScript frameworks (React, Angular, or Vue) Experience designing and delivering scalable, cloud‐native applications Exposure to Gen‐AI concepts including: Large Language Models (LLMs) and transformer ...

Essential* Extensive experience in QA automation within Agile environments.* Strong automation experience using tools such as Selenium, Cypress, Playwright, or TestComplete.* Proficiency in Java, JavaScript, or similar programming/scripting languages.* Proven ability to design and maintain scalable automation frameworks (Playwright/WebDriverIO preferred).* Experience integrating automation within ...

become a key member of a truly forward-thinking technology focused organisation. The successful candidate will work with cutting edge technologies such as JavaScript (Angular/Node), .Net Core, AWS, IaC, Docker, Kubernetes. Annual Leave: 25 days + bank holidays Ability to buy and sell holiday days as well ...

privilegeapproaches. Demonstrated interest in continuously improving cloud security controls through learning, experimentation, and collaboration. Proficiencyin one or more modern programming languages (e.g., Python, Java, JavaScript), with the ability to write, review, andmaintainproduction‐quality code. Posting Closing date:Monday 21st September 2026{11.59pm} #LI-TR3 #LI-Hybrid Skills Agile Methodology, Cloud ...

critical systems. The ideal candidate will have deep experience in Python development , support and incident management , modern delivery methodologies , cloud platforms , and front-end JavaScript technologies . Key Responsibilities Production Support & Operations Provide L2/L3 support for Python-based applications in production environments Monitor system performance, troubleshoot incidents … code (e.g., Terraform, ARM, CloudFormation) Ensure security, scalability, and resilience of cloud-based systems Front-End Development Develop or support UI components using modern JavaScript frameworks (e.g., React and Angular) Collaborate with UX/UI teams to improve user experience Ensure seamless integration between front-end and back-end systems ...

exposure to platforms used by millions of people daily. We value problem-solving ability and strong communication, with opportunities to work on technologies like JavaScript (Angular/Node), .NET Core, AWS, Docker and Kubernetes in a hybrid model with three #J-18808-Ljbffr ...

developer. Strong professional experience with C#. Experience contributing to or supporting a mobile application built with React Native. Experience with modern web development, including JavaScript and CSS. A track record of designing and building maintainable software in a team environment. Experience working with complex or long lived codebases. Confidence contributing ...

apply them to solve business problems. Strong teamwork and collaboration skills. A proactive and self-starting approach. Nice To Have Experience with C#, JavaScript or similar technologies. Experience with Microsoft Azure or Microsoft 365. Experience implementing SaaS or cloud-based products. Familiarity with AI, LLMs, agents or Copilot technologies. Experience ...

apply them to solve business problems. Strong teamwork and collaboration skills. A proactive and self-starting approach. Nice To Have Experience with C#, JavaScript or similar technologies. Experience with Microsoft Azure or Microsoft 365. Experience implementing SaaS or cloud-based products. Familiarity with AI, LLMs, agents or Copilot technologies. Experience ...