Javascript jobs in Northern Ireland

 ...designing your way out of trouble, and working the platform end-to-end. You’ll be the CTO’s right hand, utilising everything modern JavaScript – Node, React, Nest – in addition to making microservices talk to each other using gRPC and RabbitMQ. This is a true start-up, so... 

 ...from the ground up. Working closely with the CTO, you’ll design, build, and refine responsive, engaging user interfaces using modern JavaScript frameworks like React. Your work will be integral to creating smooth, seamless user experiences that interact perfectly with the... 

 ...GitHub GraphQL Kubernetes MongoDB React Security TypeScript UX UI Design Backend DevOps Frontend JavaScript Web Fullstack More: We are Randstad Technologies Ltd, a leading specialist recruitment business for the IT & Engineering... 

 ...you can expect to work with the following technologies to ensure scalable, high-performance applications:  Programming Languages: JavaScript/TypeScript, Java, C# Frameworks: Vue/Angular/React/Node/Next, Spring/Spring Boot, .NET/ASP.NET Cloud platforms: AWS, GCP, Azure... 

 ...secure, innovative, and highly resilient solutions. Skills & Experience Frontend Strong expertise in TypeScript and modern JavaScript (ES6+), along with React, Redux, and GraphQL. Experience delivering responsive interfaces and working with Tailwind CSS and... 

 ...Salary: £35,000 - 65,000 per year Requirements: ~5+ 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... 

 ...Experience working with financial markets, trading platforms, or FIX protocol. Advanced knowledge of AWS services. Exposure to Java, JavaScript, or React. Familiarity with microservices, serverless architecture, and modern development practices (TDD, BDD). Vantage Point... 

 ...month Commitment: 15–20 hours/week Role Responsibilities Develop and validate coding benchmarks in React, TypeScript, or JavaScript by curating issues, solutions, and test suites from real-world repositories. Ensure benchmark tasks include comprehensive unit... 

 ...environment. ~ Strong proficiency in TypeScript , React , Redux , and React Query . ~ Solid knowledge of HTML5, CSS3, and modern JavaScript frameworks (React). ~ Familiarity with RESTful APIs and GraphQL. ~ Experience with CSS frameworks (e.g., Tailwind). ~... 

 ...driven architectures Solid database experience (SQL Server / MySQL) Exposure to AWS or Azure Front End Experience is Desirable (JavaScript/React) Benefits A highly competitive salary package Annual bonus and performance incentives Generous pension and... 

 ...financial clients worldwide. In this role you will: Develop modern, scalable front-end applications using React, TypeScript, and JavaScript Collaborate with architects and engineers to design and implement robust, maintainable solutions Contribute to a culture of... 

 ...that balance speed of delivery with long-term sustainability. Comfortable working across the stack including frontend technologies (JavaScript CSS). Skilled at using modern LLM-powered tools to accelerate work and explore solutions with the judgement to know when to rely... 

 ...clients that call them You’re happy to work in a typed language like TypeScript, or you’ve worked with un-typed web languages like JavaScript or Ruby in the past and are keen to see what the TypeScript fuss is all about! You might have worked with cloud providers like AWS... 

 ...feedback for improvements Technologies: AI Backend Docker Git MongoDB MySQL NodeJS Security microservices JavaScript More: We are a dynamic and innovative company operating in the technology space in Belfast, looking to grow our technical team... 

 ...engineering experience, with at least 1+ years working with blockchain or distributed ledger technologies ~ Experience using TypeScript/JavaScript to build integrations with blockchains ~ Familiarity with a queue-based architecture ~ Experience developing and deploying smart... 

 ...attention to detail. ~ Ability to communicate design concepts effectively to various stakeholders. ~ Knowledge of HTML, CSS, and JavaScript is a plus. Benefits ~ Remote Work ~ Permanent Position ~30-Day Paid Leave ~5-Day Work Week ~ A... 

Full Stack Engineer (Next.js & MongoDB) Experience: 5+ Years We are seeking a Full Stack Engineer to design and build high-performance web applications. If you have 5+ years of experience and a passion for modern stacks like Next.js and MongoDB, we want to hear from you. ...

Agentic AI Full Stack Engineer Location: UK-Belfast-Queens's island Employment Type: Permanent We are seeking an Agentic AI Full Stack Engineer to join a leading global consulting organisation and contribute to projects with a major financial services client. You'...

 ...teams with core technical skills including- • Strong expertise at least one of the following programming languages: Python, Java, JavaScript / TypeScript, C#, Go • Proficient in secure code review of at one language i.e. Java, JavaScript, C# • Experience of... 

 ...and maximizing the value they gain from our technology. Responsibilities Build and implement client-specific solutions using JavaScript to handle data transformation and routing requirements. Troubleshoot complex integration challenges outside standard interfaces... 

 ..., planning, and organisational skills. Technical Skills: Hands-on experience with enterprise systems development (C#, Java, JavaScript/TypeScript, C++ or similar). Proficiency in cloud computing and containerisation: AWS (preferred), Azure, GCP, Kubernetes, Docker... 

 ...equivalent Minimum 3 years' commercial experience in software development and engineering leadership Experience with .Net mainly (Javascript desirbale) Hands-on experience with DevOps practices including CI/CD, Docker, Kubernetes, AWS and/or Azure Strong knowledge of... 

 ...practices What you bring ~6+ years' software development experience, including leadership responsibility ~ Strong skills in C#, JavaScript/TypeScript, and cloud platforms (Azure/AWS) ~ Experience delivering complex solutions and working in Agile environments ~ Great... 

 ...testing ~ Excellent attention to detail and strong organisational and communication skills ~(Desirable) Working knowledge of HTML CSS JavaScript and Azure environments ~ A proactive mindset and passion for delivering high-quality software in a collaborative environment ~... 

 ...Required Skills & Qualifications Proficiency in relevant programming languages and front-end technologies such as HTML CSS and JavaScript frameworks Strong experience with database technologies including: Relational databases (PostgreSQL MySQL SQL Server) NoSQL... 

 ...production —not just notebooks and prototypes. You've trained models, put them into production, and maintained them. ~ Strong Python and JavaScript programming skills with deep experience in the ML ecosystem (NumPy, Pandas, Scikit-learn, PyTorch or TensorFlow, etc.) and... 

 ...in automation frameworks (e.g., Selenium, Playwright, Cypress, or similar). • Strong coding/scripting skills in Java, Python, or JavaScript/TypeScript. • Experience applying AI techniques such as intelligent test generation or defect prediction. • Familiarity with performance... 

 ...Expertise in automation frameworks (e.g. Selenium Playwright Cypress or similar). Strong coding/scripting skills in Java Python or JavaScript/TypeScript. Experience applying AI techniques such as intelligent test generation or defect prediction. Familiarity with... 

 ...Exposure to building web services using Web API An understanding of database design and development Hands-on experience with HTML, JavaScript, CSS including jQuery Strong attention to detail and work ethic Strong analytical and problem-solving skills Excellent... 

 ...review, and performance management. Demonstrated ability to build high-performing teams and develop junior talent. ~ Strong Python and JavaScript programming skills with deep experience in the ML ecosystem (NumPy, Pandas, Scikit-learn, PyTorch or TensorFlow, etc.) and...