1 to 25 of 89 JavaScript Jobs in Belfast

interfaces. Integrate with RESTful APIs and cloud-based services. Participate in code reviews, design discussions, and agile ceremonies. Key Skills & Experience: Strong proficiency in JavaScript and TypeScript . Advanced knowledge of React.js and familiarity with modern React patterns (hooks, context, etc.). Solid understanding of HTML5 , CSS3 , and responsive web More ❯

and database technologies (SQL/NoSQL) Excellent problem-solving and communication skills Secure coding and API architecture knowledge Desirable: Web development experience (React, TypeScript, JavaScript) Familiarity with AWS, containerisation, microservices, and serverless architecture Exposure to infrastructure as code (Terraform, CloudFormation) Benefits A highly competitive salary package Annual bonus and performance More ❯

delivery teams/Lead of Leads. Demonstrable senior level and current experience of hands-on Full-Stack Software Engineering leadership with C#, Java, C++ JavaScript/TypeScript with React, and low latency event driven architectures. Experience of a general-purpose scripting language (such as Python, Perl, Ruby) and SQL. Experience More ❯

and database technologies (SQL/NoSQL) Excellent problem-solving and communication skills Secure coding and API architecture knowledge Desirable: Web development experience (React, TypeScript, JavaScript) Familiarity with AWS, containerisation, microservices, and serverless architecture Exposure to infrastructure as code (Terraform, CloudFormation) Benefits A highly competitive salary package Annual bonus and performance More ❯

a unique opportunity to become a key member of a forward-thinking, technology-focused organization. The successful candidate will work with technologies such as JavaScript (Angular/Node), .Net Core/.NET 5 +, AWS, IaC, Docker, Fargate, and Kubernetes. You will also play a significant role in shaping the More ❯

edge technology. This is a unique opportunity to join a forward-thinking, technology-focused organization. The successful candidate will work with technologies such as JavaScript (Angular/Node), .Net Core/.NET 5 +, AWS, IaC, Docker, Fargate, and Kubernetes, and will help shape the future of our Tech and More ❯

preferable). SQL Server and data analytical skills. Thorough understanding of object-oriented programming, computing fundamentals and data structures. Experience with Web technologies (HTML, JavaScript Frameworks e.g., Vue, React, Angular, CSS). Ability to deliver all aspects of a project from start to finish unassisted. Experience with test driven development More ❯

trading platforms and knowledge of financial markets Knowledge of FIX protocol and ability to handle FIX interactions Experience with AWS services Experience with Java, JavaScript or React Experience with serverless architecture and microservices Experience with TDD, BDD or similar approaches Band & Level – Manager, 6 Company Statement We know that the More ❯

to): Develop and Optimise Software Solutions: Craft and refine full-stack software solutions using front-end frameworks and back-end technologies, including RESTful APIs, JavaScript/TypeScript, and SQL databases. Analyse and Interpret Requirements: Collaborate with Product Owners and stakeholders to interpret written business requirements and technical specifications, ensuring the More ❯

in C# and .NET. Expertise in: .NET Framework and WinForms Modern .NET (.NET 9) SQL Server (including performance optimisation) Front-end tech (HTML, CSS, JavaScript) Proven experience with application modernisation, including migrating legacy WinForms applications to modern web platforms (Blazor preferred). ·Strong understanding of layered architecture and best practices More ❯

and knowledge of financial markets Knowledge of FIX protocol and ability to handle FIX interactions In-depth knowledge of AWS services Experience with Java, JavaScript or React Experience with serverless architecture and microservices Experience with TDD, BDD or similar approaches Band & Level - Manager, 7 Company Statement We know that the More ❯

application development Exposure to financial services or trading systems Understanding of the FIX protocol Experience with AWS services and cloud automation Knowledge of Java , JavaScript , or React Familiarity with microservices and serverless architecture Experience with TDD , BDD , or similar test-first methodologies What's on Offer Competitive base salary Annual More ❯

Experience Good knowledge of the Various technologies including one or more of the following (Java, SQL, Node JS, HTML 5, CSS 3, Object Oriented JavaScript, Python, Twitter Bootstrap, J2EE, JSP, Servlets, JDBC, XML, UML, jQuery, AJAX.) Some Knowledge of OOP and common design patterns. (Desirable) Working knowledge of Agile/ More ❯

practices and best practices for the full software development life cycle. Be highly proficient with some of the following Languages, Frameworks & Technologies: Java, Spring, JavaScript, Hibernate, Tomcat, REST, HTTP, JSON, JUnit, TestNG, Mockito, Jenkins, Maven, Git and Docker. Be comfortable challenging the norm and always on the lookout for new More ❯

knowledge in one or more of the following industries – Banking, Fintech, Retail, Healthcare, Insurance •You have expertise of Core Java, JEE technologies, Web technologies, JavaScript and container based technologies. •Proficient in Web Services/API Development using SOAP or REST, JSON and XML. •Experience in Kafka - Ability to install, maintain More ❯

greenfield projects daily Technologies You will have the opportunity to work with the following technologies: AWS Angular Java React ASP.NET NodeJS Cloud C# Support JavaScript More Information We are a company that has recently experienced unparalleled growth without redundancies, and we offer a supportive environment for your career development. #J More ❯

in computer science or engineering field involving software programming or systems engineering Hands-on professional software development experience Proficiency in programming in Java, Python, JavaScript or React Hands on experience of building RESTful APIs using popular frameworks like Spring Experience of following TDD and clean code principles Proficiency with data More ❯

Candidate Profile 4+ years of commercial software development experience Strong experience in C#, .NET, MS SQL, Entity Framework Exposure to Angular (or similar modern JavaScript frameworks) Skilled in API design, RESTful services, and structured data workflows Familiarity with Docker, AWS ECS, CI/CD pipelines, and Git Experience working in More ❯

the big picture. You thrive in fast-paced environments, make smart tradeoffs, and love building elegant solutions to complex challenges. Must-haves: Expert in JavaScript, Python, Go, or Rust Deep understanding of system design and cloud-native architectures Skilled in containerization & orchestration (Docker, Kubernetes) Bonus points for: 8+ years of More ❯

and continuous improvement efforts What We’re Looking ForRequired: ·2+ years software development experience ·1+ year hands-on Angular (v10+) experience ·Strong TypeScript/JavaScript skills ·Familiar with RxJS and reactive programming concepts ·Experience working with APIs (REST or GraphQL) ·Some Node.js back-end experience (or willingness to grow in More ❯

Description Are you up for creating seamless user experiences from every angle? Our Digital team seeks a skilled Senior Full Stack Engineer proficient in JavaScript/TypeScript, covering frontend to backend APIs and infrastructure. You will collaborate with colleagues across PA to deliver transformative digital solutions for complex business challenges. More ❯

creating seamless user experiences from every angle? Our Digital team is looking for a skilled and experienced Senior Full Stack Engineer confident in the JavaScript/TypeScript stack, from frontend to Node APIs and infrastructure. You will work alongside colleagues from across PA, delivering transformative digital solutions to complex business More ❯

in Infrastructure-As-Code (IaC) best practices (Terraform). Experience in software development in general, with skills in a high-level language (e.g., Python, JavaScript, TypeScript, Java) and familiarity with modern development practices Understanding of Cloud Observability, Monitoring, and Tracing tools (Datadog, CloudWatch, Jaeger, ELK) and how best to leverage 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 ❯

and continuous deployment (CI/CD). Skills API Backend CI/CD Cloud Frontend React Security TypeScript AWS Azure Docker GCP Git Support JavaScript Kubernetes WebGL Microservices More We are currently seeking multiple React & TypeScript Developers to join our team. More ❯