1 to 25 of 29 Permanent JavaScript Jobs in Northern Ireland

reliability, and developer experience. Required Experience & Skills 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, SQL/ ...

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 ...

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 ...

.NET technologies Solid understanding of REST APIs and service integration Experience working with SQL Server and data-driven applications Strong front-end skills including JavaScript, HTML, CSS, and responsive web development Knowledge of software design patterns, SOLID principles, and clean coding practices Experience with Git and modern development workflows Excellent ...

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 ...

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 ...

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. ...

software engineering practices What you will need? Proven experience leading software engineering teams Strong cloud experience Hands-on development background in Java, .NET or JavaScript/TypeScript Experience with CI/CD, Infrastructure as Code and modern engineering practices Strong stakeholder management and communication skills Previous consultancy or client-facing ...

Technical Lead or Senior engineer Strong software engineering and system design background Experience delivering enterprise applications on AWS, Azure or GCP Proficiency in JavaScript, Java or .NET Agile delivery experience (Scrum/Kanban) Knowledge of DevOps, CI/CD, infrastructure-as-code and modern testing practices Strong communication and stakeholder ...

deliver user-focused features Continuously improve performance, reliability, and security across the platform Tech Environment Backend: Node.js (Express or similar) Frontend: React (modern JavaScript/TypeScript) Cloud: AWS (e.g., Lambda, EC2, S3, RDS) CI/CD & Version Control: Git-based workflows and automated pipelines What We're Looking ...

Engage in Greenfield Projects Daily Technologies: AWS Angular Java React ASP.NET NodeJS Cloud C# Support JavaScript Years of Post-graduate Engineering Experience Ability and desire to work with various technologies across multiple projects, including Java, .NET, React, Angular, Node.js, and AWS Proven experience of working in a small team Excellent ...

operational management. Knowledge of IT strategic planning, design, and operations processes. Proven project and program management capabilities. Familiarity with testing frameworks in the C#, JavaScript/TypeScript, PowerShell, and Python ecosystems. Strong knowledge of current IT and data market trends and technology innovations. Proven track record of managing large globally ...

What they're looking for: Deep, genuinely hands-on ServiceNow development experience Proven ITOM implementation ownership, ideally cloud-native Discovery and Service Mapping Strong JavaScript scripting skills, this is a keyboard role, not an oversight role Comfortable running multiple customer engagements simultaneously Based in the UK with the right ...

robust technical solutions Contribute to CI/CD pipelines and deployment strategies in a cloud environment Required Experience Strong experience with React and modern JavaScript/TypeScript ecosystems Proven experience in a Lead or Senior Front End role with ownership of systems Experience designing and building scalable frontend architectures Solid ...

globally while enjoying the flexibility of a remote-first culture. The Person * 2-4 years' commercial experience in Development * Strong experience with React and JavaScript/TypeScript * Experience building applications with Node.js and RESTful APIs * Experience working with relational databases, ideally PostgreSQL * Comfortable working across both front-end and back ...

contribute to how we continuously improve as a team. Influence engineering practices beyond your immediate team. What You Bring Strong software engineering experience (JavaScript, TypeScript, or similar). A track record of building or improving automated testing in real-world systems. Experience working in modern development environments with CI/ ...

gather and refine requirements Participate in architecture discussions, code reviews, and technical design sessions Develop and maintain frontend applications using ReactJS and related JavaScript technologies. Implement CI/CD pipelines and deployment automation processes. Troubleshoot production issues and perform root cause analysis. Ensure adherence to coding standards, security best practices … Architecture REST APIs/Web Services Spring MVC JEE Technologies (Java 8+, JSF, JPA, JSP, Servlets, JDBC) XML Technologies (DOM, SAX, XSLT) HTML5, DHTML, JavaScript JBoss Application Server Core Technical Skills Java 8 or higher Spring Framework (Spring Boot, Spring MVC) JUnit 4 & JUnit 5 FreeMarker Templates Oracle Database ...

scalable, secure, and reliable. What We're Looking For You'll have deep commercial experience in back-end development (Node.js and server-side JavaScript). You'll have a strong background in scalable, server-side architecture. Experience delivering services at scale. Comfortable working in agile teams. Strong communication and technical ...

Belfast | Hybrid | Full-Time At a Glance Location:Belfast (Hybrid) Employment Type:Full-Time, Permanent Seniority:Principal/Senior IC Core Stack:React, TypeScript, JavaScript, AWS Key Requirement:Strong React and AWS CDK experience essential Who You'll Work For Our client is a large, globally operating financial services business … Looking For Essential Proven experience as a senior or principal UI engineer within complex, high-performance systems Strong expertise in React, TypeScript, and JavaScript, with deep knowledge of modern UI development practices Experience with UI component libraries such as Material UI or Ant Design Proficiency in HTML5, CSS, and responsive ...

wider iGaming experience won't be enough on its own Strong experience testing mobile apps, ideally across both iOS and Android, including HTML5 and JavaScript based mobile web Awareness of agile and scrum ways of working Familiarity with JIRA or similar test management tools is a plus Strong written ...

deliver project objectives Promote secure development practices and reliability across delivered solutions Essential Experience Commercial experience developing modern web applications Strong proficiency in JavaScript/TypeScript and a leading frontend framework Understanding of component-based development and frontend architecture Experience consuming and working with web APIs Familiarity with cloud-hosted ...

right move, get in touch with Chanel directly. You can connect on LinkedIn, drop a CV over, or reach out at Skills: .Net C# Javascript blazor Azure Benefits: Work From Home JBLE1 ...

Hybrid At a Glance Up to £65,000 base salary Senior-level front-end engineering role with real ownership and technical influence React, TypeScript, JavaScript, HTML/CSS stack Hybrid working, Belfast-based Exclusive role, not advertised elsewhere About the Company Our client is a globally established financial services business … through QA and post-release support What You'll Need Essential: 5+ years of commercial experience building modern web interfaces with React, TypeScript, and JavaScript Strong command of HTML5, React 16+, TypeScript 4+, JavaScript ES6, and JSX Proven ability to deliver consistent, high-quality UX across browsers Experience with component ...

The TP ICAP Group is a world leading provider of market infrastructure. Our purpose is to provide clients with access to global financial and commodities markets, improving price discovery, liquidity, and distribution of data, through ...

.NET Developer - .NET 9, C#, Blazor, Azure - Chester (Tech stack: .NET Developer, .NET 9, C#, Blazor, Azure, JavaScript, HTML5, CSS3, Agile, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is a crowd funded social advertising technology platform that sells services to Facebook advertisers to grow their marketing ROI. They … that includes: .NET, .NET Core/ASP.NET MVC, C# and Azure SQL. Full training will be provided into: .NET 9, Blazor, EF Core, Azure, JavaScript, HTML5, CSS3, Agile, TDD, BDD, Azure SQL and MongoDB. This is an amazing opportunity to join a firm that has revolutionized its industry ...