26 to 50 of 66 JavaScript Jobs in Belfast

architectures. What we’ll need from you Strong event-driven architecture, design and development skills Java experience with modern IoC frameworks Experience with modern JavaScript frameworks, specifically React. Experience working in mixed/virtual/diverse environments (small co-located team with a larger team in another location) Understanding ...

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 ...

engineers on your team supporting them in their growth Requirements Must Haves 5+ years experience as a Software Engineer Proficiency working with TypeScript/JavaScript backend frameworks (Express, NextJS or similar) Comfortable writing backend code to be performant and efficient Experience building RESTful application interfaces and designing APIs Experience working ...

data governance, GDPR and information security best practice . Experience working with large datasets and data migration . Knowledge and practical experience of JavaScript, HTML and CSS . Experience working with middleware or third-party integration platforms . Experience mentoring, coaching or supporting junior developers . Knowledge and experience ...

data annotation Training and evaluation of large language models Benchmarking and agent-based code execution in sandboxed environments Working across multiple programming languages (Python, JavaScript/TypeScript, Rust, SQL, etc.) Adapting guidelines for new domains and use cases Collaborating with project leads, solution engineers, and supply managers on complex ...

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 ...

8+ years in Technical Product Support, a similar role, or a background in software development. Strong application programming experience, proficient in Java, Python, or JavaScript languages. Knowledge of software packaging and distribution concepts and tools. Excellent problem-solving and troubleshooting skills. An enthusiastic and effective communicator: you should be able ...

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 ...

Demonstrated interest in continuously improving cloud security controls through learning, experimentation, and collaboration.* Proficiency in one or more modern programming languages (e.g., Python, Java, JavaScript), with the ability to write, review, and maintain production‐quality code. **Supervisory Responsibilities*** This job does not have supervisory duties. **Posting Closing date: Monday ...

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 ...

create and evolve financial software platforms. You will work on full-stack development, applying Spring Boot/Spring Core, Flask/FastAPI, and modern JavaScript frameworks to deliver scalable cloud-native applications. You will collaborate with cross-functional teams, mentor junior engineers, and ensure robust coding practices while embracing GenAI ...

this, we expect you to be: Knowledgeable and experienced with micro-service architecture. Comfortable with high-availability concepts. Highly proficient in JavaScript and ES6+. Thoroughly experienced with React , Flux, SASS, Redux and the core principles surrounding these. Familiar with modern front-end pipelines and tools. Experienced with WebSocket s, REST ...

technologies and seeing if/how they could benefit our products and processes o Ability to keep up to date with newer versions of JavaScript as new features become available o A product manager mind-set, which means you seek to improve specs and designs where possible o Ability ...

strong software engineering, data engineering, or related technical background, with core proficiency in Python and SQL. (Familiarity with other languages like Java or JavaScript is a bonus, but not essential). Pipeline Expertise: Experience designing and building data pipelines, ETL processes, and data integration solutions. Cloud Platforms: Experience with cloud ...

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 ...

shape the user experience for enterprise-grade AI security agents and collaborate across product, design, and backend teams. This high-ownership role demands deep JavaScript/TypeScript skills, React expertise, and experience with large-scale systems, cloud-native development, and on-call rotations. #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. ...

with strong engineering fundamentals and good product instincts. You might be a good fit if you: Have significant professional software engineering experience Have strong JavaScript or TypeScript fundamentals Are comfortable working across frontend and backend Have owned substantial product or technical work from problem through to production Can work effectively ...

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 ...

maintaining complex software features, fostering collaboration with QA teams, and mentoring junior developers. The ideal candidate will have solid commercial experience, especially with C#, JavaScript, and mobile applications using React Native. Join a dedicated team making a notable impact in health and care technology. #J-18808-Ljbffr ...