26 to 50 of 54 JavaScript Jobs in Northern Ireland

development role, with strong WordPress development experience. Advanced knowledge of WordPress, including custom themes, plugins and website functionality. Strong proficiency in PHP, HTML, CSS, JavaScript and MySQL. Proven ability to take technical ownership of complex website projects, from initial planning through to successful delivery. Ability to troubleshoot technical issues ...

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 ...

tools to investigate complex datasets and turn insights into actionable business outcomes. Lead the development of HTML dashboards and analytical applications , using HTML, CSS, JavaScript and relevant visualisation tools. Identify and develop practical opportunities for AI, Copilot, AI agents and automation across reporting and business processes. Coordinate BI analysts, developers ...

Fabric . Practical experience using AI, generative AI, Copilot or AI agents to support analytics, reporting or business processes. Desirable Experience HTML, CSS and JavaScript or experience building web-based dashboards. Experience with Python, notebooks or other analytical tools. Experience with forecasting, predictive analytics or machine learning. Experience with data ...

Group is partnering with a technology organisation to recruit a Frontend-Focused Full Stack Engineer in Belfast. The role emphasises frontend development with React, JavaScript, HTML5 and CSS, while applying C#/.NET skills to backend APIs as needed. You will maintain and enhance customer-facing web apps across ...

Best suited to a mid-senior developer, 4+ years development experience. Strong React Native experience, proven ability building enterprise applications using React Native Excellent JavaScript/TypeScript skills Experience developing and releasing applications for both iOS and Android Strong understanding of mobile application architecture, performance and security Experience working with ...

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 ...

millions of users or more). Experience leading engineers who ship products, including running sprint cadences with predictable delivery across cross‐functional teams. Deep JavaScript and React skills. You can read and write production code, review pull requests, and build working prototypes yourself. Intuition for distributed and local‐first systems. ...

services in a production environment. You're comfortable working with RESTful APIs, with GraphQL experience being a bonus. You have a good understanding of JavaScript and modern web technologies. You understand the principles of scalable, distributed systems and can reason about technical trade-offs. You care about code quality, testing ...

testing and workshops and translating findings into product decisions. Strong understanding and experience working with web-based presentational languages like CSS and semantic HTML (JavaScript is a bonus) Experience using AI assisted design, prototyping or development tools or demonstrated ability to rapidly adapt to emerging technologies Demonstrated expertise in stakeholder ...

fast-paced scale‐up environment, shaping the future of on‐chain infrastructure in digital capital markets. You'll work with TypeScript/JavaScript backends, build robust RESTful APIs, and collaborate across engineering, product, and leadership to deliver impactful features with strong testing and CI/CD practices. #J-18808-Ljbffr ...

tokenization. You will design, build, and maintain high-performing software solutions while mentoring others. The role requires 3+ years of experience with TypeScript/JavaScript and collaboration within development teams. This position offers competitive salaries, stock options, and a supportive work environment to foster personal and professional growth. ...

including SQL and stored procedures. Ability to troubleshoot and investigate technical issues, with experience in precise and detailed technical communication. Experience in EJS(Embedded JavaScript templates) will be preferred. CLP – C Certified Professional Programmer Certification preferred. Circumstances Working hours: Monday to Friday, 37.5 hours per week with additional hours ...

.NET developer who has a strong interest in modern web development and wants to spend a significant proportion of their time working with React, JavaScript, HTML and CSS , while continuing to contribute across the backend. The Role As a Frontend-Focused Full Stack Engineer , you'll work as part … enhancing a portfolio of customer-facing web applications. The role has a strong emphasis on frontend development and user experience , with React and modern JavaScript technologies forming an increasingly important part of the technology stack. You'll also use your C#/.NET experience to develop APIs, backend functionality ...

modellers and business stakeholders. You’ll develop and broaden ML engineering skills including deployment, governance and observability, while building modern front-end experiences with JavaScript and React, and contributing to cloud-native solutions on Kubernetes. #J-18808-Ljbffr ...

interfaces, collaborate with designers and product managers, and contribute to a fast-paced development cycle delivering secure, data-rich applications. The role requires strong JavaScript/TypeScript, 3+ years React, WCAG, and experience with component libraries. Hybrid work with at least two days in the Belfast office, and a passion ...

concepts and train others effectively Nice to Have Experience working in a SaaS or high‐growth environment Experience with Salesforce Basic coding ability (Python, JavaScript or similar) What We're Looking For Builder mindset – someone who ships, not just plans High ownership and accountability Comfortable working in a fast‐moving ...

with product stakeholders, and contribute to customer-facing features, internal tools and ongoing reliability. You’ll be comfortable across the stack (Ruby on Rails, JavaScript, CSS) and write robust tests. #J-18808-Ljbffr ...

development Understanding of professional software development and maintenance practices, ideally supported by hands‐on coding experience in languages such as Python, C/C++, JavaScript, Go or Rust Salary: c. £65,000-75,000 (subject to experience) + discretionary bonus + competitive benefits package Pre-Employment Background Checking Process ...

integration with Microsoft, and align more closely with the wider Proofpoint ecosystem, you will help shape what comes next. Technical Stack Languages: Python 3 (JavaScript, React or other languages are a bonus) AWS: SQS, SNS, ECS, ECR, Lambda High-volume NoSQL and SQL databases, such as DynamoDB and Postgres Infrastructure … with CI/CD, containers and infrastructure as code Good judgement when choosing technical approaches, and a security-first mindset Desirable Experience Experience with JavaScript/React Experience with data and infrastructure at scale How we work Integrating our product with email platforms such as Google and Microsoft is technically ...

Product Engineer (AI-Augmented & Full-Stack Systems) Location: Belfast, Northern Ireland - Titanic Quarter Rate: £400-£650 per day, Inside IR35 Working Model: Hybrid - 3 days per week in the office Contract Type: Contract Openings: Multiple ...

## Senior Software Engineer (Back-End)Applylocations: Belfasttime type: Full timeposted on: Posted 3 Days Agojob requisition id: R5500The TP ICAP Group is a world leading provider of market infrastructure.Our purpose is to provide clients ...

About TP ICAP Group 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 ...

software quality and solve real business problems. Key Responsibilities Design, build and deploy end-to-end software products and applications Frontend: React, TypeScript and JavaScript Backend: APIs using Python and modern frameworks Design scalable architectures, data models and system integrations Use AI coding assistants and agents to accelerate development Evaluate … ranging from mid-level to senior engineers Strong hands-on development skills across frontend and/or backend technologies Experience with React, TypeScript/JavaScript and/or Python Understanding of APIs, databases, system design and software architecture Experience using AI-assisted coding tools such as Claude Code or GitHub ...