26 to 50 of 79 JavaScript Jobs in Belfast

experience in React and JavaScript. Experience with RTK Query, GraphQL, REST, and Jest for unit testing. Strong core front-end skills in HTML5, CSS3, JavaScript, and TypeScript. Additional Information Why Version 1? We offer a comprehensive benefits package prioritizing wellbeing, professional growth, and financial stability, including: Profit sharing through our More ❯

and enjoy working in a highly iterative, agile and collaborative team environment. Have experience with some of the following Languages, Frameworks & Technologies: Java, Spring, JavaScript, Hibernate, Tomcat, REST, HTTP, JSON, JUnit, TestNG, Mockito, Jenkins, Maven, Git and Docker. Additional Information Visa is an EEO Employer. Qualified applicants will receive consideration More ❯

postmortems Automate infrastructure through Terraform, ansible, and Docker/Kubernetes The skills you'll bring include: Comfortable with one or more of: Python, Ruby, Javascript, Java AWS, Azure or GCP experience would be desirable Passionate about developer experiences Excited by technology, curious and eager to learn The attitude and ability More ❯

engineering, design, and other stakeholders. We work in short two week sprints & regularly share, reflect on and iterate on our work. Our platform uses Javascript along with React and Typescript for most of our frontend. We use unit, integration and acceptance tests to drive design and keep everything working. Key More ❯

formulation of strategies for applications development and other functional areas. Basic Qualifications Hands-on professional software development experience Proficiency in programming in Java, Python, JavaScript or Angular Experience of building RESTful APIs using popular frameworks like Spring Experience of working with event driven systems, microservices, micro-frontend UIs Experience of More ❯

or trading. Experience with JIRA, Zephyr, UI Automation tools (Test Complete, Selenium, Cypress, Playwright). Proficiency in programming or scripting languages such as Java, JavaScript, or similar. Ability to analyze and identify automation opportunities using development and scripting skills. Experience developing end-to-end automated tests. Knowledge of designing Acceptance More ❯

requirements and translate them into AI-enhanced solutions Own critical platform components from conception through production deployment Who You Are Expert proficiency in Python, JavaScript, and modern web frameworks Deep experience with AI/ML frameworks (PyTorch, TensorFlow, Transformers, LangChain) Mastery of prompt engineering and fine-tuning Large Language Models More ❯

days of dedicated technical training per year and exposure to cutting-edge technologies such as: .NET 9, Web API 2, Entity Framework, Microservices, Azure, JavaScript, Angular 19, Bootstrap, Agile and MongoDB. Additionally, you will follow an official structured career progression program. Location: Belfast, Northern Ireland, UK/Remote Working Salary More ❯

Knowledge of networking protocols (TCP, UDP, HTTP) RESTful API design, WebSockets Familiarity with Git for version control Exposure to Grails Framework Frontend basics (e.g., JavaScript, Bootstrap, jQuery More ❯

Tools, automated testing, delivery (Teamcity, Jenkins etc) Knowledge of networking protocols UDP, TCP, HTTP Experience with REST, WebSockets Version Control – preferably Git Grails Framework JavaScript – Bootstrap/JQuery More ❯

years' experience with Laravel or similar PHP frameworks. Degree in Software Development, Computer Science, or a related field. Solid knowledge of HTML, CSS, and JavaScript (React or Vue preferred). Experience with SQL databases. Strong logical thinking and problem-solving skills. Bonus Points For: Experience with Git/Bitbucket. PHPUnit More ❯

and team members Experience working with the Scrum methodology Experience working with a NoSQL database, preferably MongoDB/Redis Experience developing web frontend using Javascript frameworks (prefer AngularJS, React & VUE) Exposure to functional programming language like Scala. Financial services technology experience preferably in reference data domain Physical and logical data More ❯

EKS or ECS, IAM, VPC networking, S3. Networking and Linux system administration skills. Comfortable with one or more of the following languages: Python, Ruby, Javascript, Java, Bash. Working knowledge with one or more of the following - Terraform, CloudFormation, Chef, Ansible, Puppet. Passionate about Cloud Security and developer experiences. Goal-driven More ❯

create impactful solutions. Essential Skills & Experience: Proven experience in full-stack development, with a strong foundation in both front-end and back-end technologies (JavaScript, Node.js, React, etc.). Familiarity with cloud platforms and serverless architectures. Experience working with databases (SQL/NoSQL). Strong understanding of AI frameworks and More ❯

and resolve technical issues effectively. The Person: Extensive experience with PHP and frameworks such as Laravel or Symfony. Strong knowledge of front-end technologies (JavaScript, HTML, CSS) and modern libraries. Experience with databases such as MySQL or PostgreSQL, and writing efficient queries. Familiarity with cloud platforms (AWS, Azure) and DevOps More ❯

training teams. Technical skills: Proficiency in Microsoft Excel, PowerPoint, Word; familiarity with MS SQL Server Management Studio (T-SQL); programming languages such as Python, Javascript, HTML, VBA; knowledge of relational databases; experience with PowerBI. DESIRABLE Experience with Alteryx. Knowledge of Azure DevOps or GitHub. Knowledge of Python for Machine Learning More ❯

managing, motivating, and training teams. Technical skills: proficient in Microsoft Excel, PowerPoint, Word; familiar with MS SQL Server Management Studio (SSMS), T-SQL, Python, Javascript, HTML, VBA; understanding of relational databases; proficient in PowerBI visualization tools. Additionally, desirable skills include familiarity with Alteryx, knowledge of Azure DevOps or GitHub, and More ❯

vulnerability management, detection, automation, cloud security, and penetration testing; in order to build these products our teams work with an array of technologies including Javascript, NodeJS, Grafana, and AWS, just to name a few. Join our engineering team to help us build and innovate great products on our Insight platform More ❯

product is maintained. The skills you’ll bring include: A minimum of 2-3 years experience in QA role: Developed using e.g. Python, JAVA, JavaScript Experience with automation frameworks e.g. RobotFramework, Cucumber, NUnit, Playwright or Selenium Knowledge of dependency mocking frameworks e.g. WireMock CI/CD e.g. Jenkins Source control More ❯

required: Minimum of 5 years experience in a senior full stack engineering role Strong expertise in .NET, .NET Core and SQL Strong expertise in Javascript frameworks such as Angular Strong knowledge of OOP. Happy to be on site 2 days per week in Dublin. Stamp 4/EU Citizenship is More ❯

pipeline implementation experience. 3-5+ years' experience working with cloud platforms (AWS, Azure, or GCP). Strong scripting and automation skills (e.g., Python, JavaScript). Proficiency in tools such as Jenkins, CircleCI, GitHub/GitLab, Terraform, and Ansible. Familiarity with containerization (Docker), networking, and cloud security principles. Understanding of More ❯

eager to learn and adapt to new technologies are also encouraged to apply. Technologies AWS Angular CI/CD Support PHP Symfony TypeScript Cloud JavaScript More Information This is an exciting time to join our fast-scaling technology company as we aim to double our headcount by the end of More ❯

mentor a growing team based in Belfast. What You'll Bring: Extensive front-end development experience Deep knowledge of modern technologies like React, TypeScript, JavaScript, and HTML5 OR Angular.js A track record of building robust, scalable UI architectures Experience working within cloud environments and applying security best practices What's More ❯

implementation. Qualifications Good knowledge of the MS Dynamics platform and core technologies (Dynamics 365/CRM) Clear knowledge of Microsoft stack such as .NET, JavaScript, ASP.NET, MVC, C# .Net for Plugins and custom workflows, Integrations using .Net Power Platform experience is preferred Client-facing experience D365 CS experience Experience working More ❯

experience with Java or Python. Backend development experience with classic .NET Framework and modern .NET is a bonus. Frontend development with at least one JavaScript framework Test design – Unit tests and end-to-end tests both automated and manual A proven history of turning SCA/SAST/DAST results More ❯