1 to 25 of 58 Permanent JavaScript Jobs in Northern Ireland

Backend Software Engineer. Strong TypeScript development experience within a professional engineering environment. Proficient in React, Redux and React Query, alongside HTML5, CSS3 and modern JavaScript frameworks. Experience developing backend services and APIs using TypeScript or another object-oriented language. Strong knowledge of REST APIs, GraphQL, WebSockets and microservices architecture. Commercial ...

management, Digital software engineering. Many of our solutions involve custom engineering of unique solutions and experiences created from modern web-scale technologies, including SPAs, JavaScript, Microservices, Cloud Computing and Machine Learning. As a technologist in Digital Engineering, EY offers you the opportunity to apply your skills in a highly strategic ...

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 ...

background should ideally include: Hands-on experience with a UI automation framework such as Playwright, Cypress or Selenium. Coding or scripting experience using TypeScript, JavaScript, Java or a similar language. An understanding of REST API testing and validation. Experience managing test cases and defects through tools such as Jira ...

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 ...

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 ...

contributing to engineering best practices. Essential Skills & Experience Active SC Clearance Strong software development experience in one or more of: Java C# Python JavaScript/TypeScript Understanding of: Object-Oriented Programming SOLID Principles Design Patterns Refactoring Code Reviews Experience developing: Automation Frameworks Engineering Tools APIs Web Applications Distributed Systems Experience ...

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 ...

manual testing and automation experience. You should also bring: Experience with Playwright, Cypress, Selenium or similar automation frameworks. Programming or scripting ability in Java, JavaScript, TypeScript or a comparable language. Practical knowledge of API testing. Familiarity with Jira and test management tools such as Zephyr. Experience with Git, CI/ ...

D365 CE/Power Platform) and associated ALM strategies Demonstrated experience of delivering Dynamics migrations and upgrades Clear knowledge of the Microsoft stack (.NET, JavaScript, ASP.NET, MVC, C# .Net for Plugins and custom workflows, Integrations using .NET) Experience with Dynamics 365 workflows (internal and Power Automate) Strong understanding of Microsoft ...

than typing every line Exposure to building web services using Web API An understanding of database design and development Hands-on experience with HTML, JavaScript, CSS including jQuery Strong attention to detail and work ethic Strong analytical and problem-solving skills Excellent communication (both written and verbal) and interpersonal skills ...

stakeholders. Key Requirements: 4+ years experience in a full stack or front end/back end software engineering role with Typescript Experience with modern JavaScript frameworks such as React Solid backend development experience (Node.js) Experience with AWS (Lambda, API Gateway, AppSync, Fargate) Microservices, event-driven architecture & messaging systems Strong database ...

ability to work effectively within an agile development team. Experience within financial services or electronic trading would be advantageous. Familiarity with HTML, CSS, JavaScript/TypeScript and Angular would be desirable. #J-18808-Ljbffr ...

designing or integrating Azure cloud services (e.g., Azure Functions, Logic Apps, Service Bus, API Management). Solid understanding of C# & .NET, Dataverse plugin development, JavaScript form customisation, and REST APIs. Experience working in Agile/sprint-based delivery. Strong communication and stakeholder engagement skills. Advantageous (nice-to-have, not required ...

experience, with level determined by technical depth and scope of ownership. You'll ideally bring experience across some of the following: React.js, TypeScript or JavaScript Python or comparable modern backend technologies RESTful or GraphQL API development PostgreSQL and database design Cloud-native development, ideally AWS AWS Lambda, S3, CloudFront ...

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 ...

years of software development experience in complex environments. Strong expertise in Python for application development, data processing, and integration. Advanced experience with C++ and JavaScript/TypeScript. Experience developing and consuming REST and/or gRPC APIs. Hands-on experience with IoT technologies, sensor data, and telemetry pipelines. Knowledge ...

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 ...

demonstrated ownership of production systems throughout the full software development lifecycle which must include proficiency in one or more modern programming languages (e.g., Java, JavaScript) .* Hands on experience designing, building, and operating scalable distributed systems and cloud‐based applications, including microservices architectures* Demonstrated ability to design, develop, and integrate ...

2.0, OpenID Connect, and SAML Experience supporting Security Operations, Incident Response, SOC, or breach modeling activities Strong software engineering background with experience in Java, JavaScript, Python, Go, Rust, or other modern programming languages Experience designing and reviewing RESTful APIs and API-first architectures using specifications such as OpenAPI or Swagger ...

2.0, OpenID Connect, and SAML. Experience supporting Security Operations, Incident Response, SOC, or breach modeling activities. Strong software engineering background with experience in Java, JavaScript, Python, Go, Rust, or other modern programming languages. Experience designing and reviewing RESTful APIs and API-first architectures using specifications such as OpenAPI or Swagger. ...

demonstrated ownership of production systems throughout the full software development lifecycle which must include proficiency in one or more modern programming languages (e.g., Java, JavaScript) . Hands on experience designing, building, and operating scalable distributed systems and cloud‐based applications, including microservices architectures Demonstrated ability to design, develop, and integrate ...

from solution design and implementation through to testing, deployment and ongoing optimisation. You will ideally have experience in several of the following areas: Strong JavaScript and React development experience Experience with React Native or native mobile application development Backend development and API integration Cloud infrastructure, ideally within AWS An interest ...

their growth This role will be a great fit if you: 3+ years experience as a Software Engineer Proficiency working with TypeScript/JavaScript backend frameworks (Express, NestJS or similar) Comfortable writing backend code to be performant and efficient Experience building RESTful application interfaces and designing APIs Experience working ...