1 to 25 of 50 Permanent JavaScript Jobs in Northern Ireland

Senior Software Engineer

Hiring Organisation
Jobleads-UK
Location
Belfast, Northern Ireland, United Kingdom
Strong collaboration and communication skills, with the ability to work effectively across technical and non-technical stakeholders. Desirable Experience building web front ends using JavaScript and modern frameworks such as React, Vue, or Blazor. Experience with containerisation technologies such as Docker or Kubernetes. Understanding of SOLID principles and software design ...

Director, Engineering Excellence (AI Platforms)

Hiring Organisation
Jobleads-UK
Location
Belfast, Northern Ireland, United Kingdom
developer experience.**Required Experience & Skills****Technical Expertise*** Engineering Lead or Software Engineering Manager experience delivering large‐scale systems.* Proficiency in **Python, Java, TypeScript/JavaScript, or Go**.* Experience deploying **LLM/GenAI systems** to production with a focus on evaluation, safety, monitoring.* Strong background in distributed systems, microservices ...

Remote.NET Developer - Morecambe

Hiring Organisation
Noir
Location
Newtownabbey, Co. Antrim, UK
.NET, .NET Core/ASP.NET MVC, C# and Azure SQL. Our client can provide you with Greenfield project work and exposure to: .NET 9, JavaScript, React, Angular 19, Microservices, MongoDB, Vue.js, TypeScript, Azure, AWS, Web API 2, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and MongoDB. This ...

Remote.NET Developer - Witney

Hiring Organisation
Noir
Location
Craigavon, Co. Armagh, UK
Core/ASP.NET MVC, C#) or winforms/WPF (C#) development. Our client will provide you with training into: .NET 9, WPF, MVVM, Prism, JavaScript, React, Angular 19, Microservices, MongoDB, Vue.js, TypeScript, Azure, AWS, Web API 2, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and Azure SQL. ...

Remote.NET Developer - Newcastle-under-Lyme

Hiring Organisation
Noir
Location
Londonderry, Co. Londonderry, UK
Core/ASP.NET MVC, C#) or winforms/WPF (C#) development. Our client will provide you with training into: .NET 9, WPF, MVVM, Prism, JavaScript, React, Angular 19, Microservices, MongoDB, Vue.js, TypeScript, Azure, AWS, Web API 2, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and Azure SQL. ...

Senior Software Engineer (Front End)

Hiring Organisation
Jobleads-UK
Location
Belfast, Northern Ireland, United Kingdom
effectively and raise impediments early to minimise delivery risks. Experience & Competencies Essential Proven experience building modern, scalable, and maintainable web interfaces using React, TypeScript, JavaScript, and HTML/CSS, following reusable design patterns. Strong knowledge of HTML5, React16+, TypeScript4+, JavaScriptES6, and JSX. Experience delivering consistent UX and UI across browsers. ...

Senior Software Engineer JBLE1 NI

Hiring Organisation
Gearset
Location
Belfast, UK
feedback to make your work even better You can read more about our engineering values here Great to haves Familiarity with C#/.NET, JavaScript/TypeScript and React Expertise with an OOP language (eg. Java, C++) and a modern JS framework (eg. Angular, Proficiency in working on a distributed ...

Remote Java Software Engineer (UK)

Hiring Organisation
Sophos
Location
Belfast, UK
Skills & Experience Essential: Degree in Computer Science or other numerate discipline, or equivalent experience. Experience in full stack software development, ideally using Java and JavaScript/TypeScript. Ability to put together well thought-through designs for software components. Ability to write high quality code. Experience with agile development methodologies. Technical ...

Remote Java Software Engineer (UK)

Hiring Organisation
Sophos
Location
Craigavon, Co. Armagh, UK
Skills & Experience Essential: Degree in Computer Science or other numerate discipline, or equivalent experience. Experience in full stack software development, ideally using Java and JavaScript/TypeScript. Ability to put together well thought-through designs for software components. Ability to write high quality code. Experience with agile development methodologies. Technical ...

Senior Typescript Engineer JBLE1 NI

Hiring Organisation
Ocho
Location
Belfast, UK
reliability, scalability, and maintainability through best practices. Mentor junior engineers and contribute to a culture of technical excellence. Essential Skills & Experience Strong proficiency in JavaScript/TypeScript with Node.js on the server side. Proven track record delivering production-grade, maintainable software. Solid understanding of system architecture and cloud-native design. ...

Platform Consultant Expert - (Hybrid)

Hiring Organisation
Jobleads-UK
Location
Belfast City, Northern Ireland, United Kingdom
influence simplification, reuse, and consistency. Essential Criteria Minimum of 5 years software engineering experience in at least 3 programming paradigms (Object‐oriented: Java & JavaScript; Procedural/systems: e.g., Go, Rust, C; Functional: e.g., F#, Elixir, Clojure, Haskell). Experience using modern development tools (IntelliJ or VS Code, Git/GitHub ...

Senior QA Engineer JBLE1 NI

Hiring Organisation
Ocho
Location
Belfast, UK
services Hands on experience with automation frameworks such as Playwright, Cypress, Selenium or similar Proficiency in at least one programming language such as Java, JavaScript, Python or C# Strong understanding of software development and testing lifecycles in Agile environments Familiarity with CI and CD pipelines, version control and modern DevOps ...

Remote Software Developer

Hiring Organisation
Sfg20
Location
Londonderry, Co. Londonderry, UK
shaping the future of our software. At SFG20, we're committed to your professional growth and offer mentorship, coaching, and training opportunities. Essential experience JavaScript and Node.js proficiency Experience with TypeScript Experience with Cypress automated testing Experience working with QA teams Strong understanding of software development principles and best practices. ...

Platform Consultant Expert - (Hybrid)

Hiring Organisation
Jobleads-UK
Location
Belfast, Northern Ireland, United Kingdom
reuse, and consistency.**Essential Criteria*** A minimum of 5 years software engineering experience in at least 3 programming paradigms to include:-Object-oriented (Java & Javascript required and at least one other language)Procedural/systems (e.g. Go, Rust, C)Functional (e.g. F#, Elixir, Clojure, Haskell)* Experience using modern development tools ...

Technical Lead

Hiring Organisation
Anson Mccade
Location
Belfast, County Antrim, Northern Ireland, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£95,000
Technical Lead or Senior engineer Strong software engineering and system design background Experience delivering enterprise applications on AWS, Azure or GCP Proficiency in JavaScript, Java or .NET Agile delivery experience (Scrum/Kanban) Knowledge of DevOps, CI/CD, infrastructure-as-code and modern testing practices Strong communication and stakeholder ...

QA Engineer JBLE1 NI

Hiring Organisation
Ocho
Location
Belfast, UK
services Hands on experience with automation frameworks such as Playwright, Cypress, Selenium or similar Proficiency in at least one programming language such as Java, JavaScript, Python or C# Strong understanding of software development and testing lifecycles in Agile environments Familiarity with CI and CD pipelines, version control and modern DevOps ...

Senior Software Engineer

Hiring Organisation
Jobleads-UK
Location
Belfast City, Northern Ireland, United Kingdom
their growth This role will be a great fit if you: 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 building RESTful application interfaces and designing APIs Experience working ...

Senior Software Engineer in Belfast - Ocho

Hiring Organisation
Jobleads-UK
Location
Belfast, Northern Ireland, United Kingdom
Engage in Greenfield Projects Daily Technologies: AWS Angular Java React ASP.NET NodeJS Cloud C# Support JavaScript Years of Post-graduate Engineering Experience Ability and desire to work with various technologies across multiple projects, including Java, .NET, React, Angular, Node.js, and AWS Proven experience of working in a small team Excellent ...

Senior Software Engineer - Belfast in Belfast - Ocho

Hiring Organisation
Jobleads-UK
Location
Belfast, Northern Ireland, United Kingdom
Responsibilities In this hands-on role, I need you to develop cloud-native applications using C#, TypeScript, and modern JavaScript frameworks. You will take ownership of end-to-end build and release pipelines using Azure DevOps and implement Infrastructure as Code... Requirements We are looking for a candidate with deep ...

.NET Developer JBLE1 NI

Hiring Organisation
Galgorm Group
Location
Ballymena, Co. Antrim, UK
Essential Criteria: Degree in computer science or related discipline OR Can demonstrate 1+ years practical experience in web development role Frameworks, C#, CSS, HTML, JavaScript/JQuery Knowledge of Object Orientated/MVC methodologies Experience of relational databases Ability to prioritise and manage own tasks, working to deadlines Good communication ...

Remote Forward Deployed Engineer

Hiring Organisation
Senseon
Location
Craigavon, Co. Armagh, UK
reusable connectors to the SenseOn integration library and create custom automation to optimise security operations workflows. Work confidently across backend languages (Python preferred; Go, JavaScript, and Bash valued) utilising RESTful APIs, webhooks, and data pipeline patterns. Detection Engineering & SIEM Development Write, tune, and maintain high-fidelity, low-noise SIEM detection ...

Remote Freelance Software Developer (Ruby) - Quality Assurance (AI Trainer)

Hiring Organisation
Mindrift
Location
Londonderry, Co. Londonderry, UK
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 ...

Senior Software Engineer (Product)

Hiring Organisation
Jobleads-UK
Location
Belfast, Northern Ireland, United Kingdom
apply them effectively. Experience architecting maintainable systems 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 on your ...

Remote Senior PHP Engineer

Hiring Organisation
Spectrum It Recruitment
Location
Newtownabbey, Co. Antrim, UK
keep improving and evolving their own skills. The tech stack: OOP PHP8+ MySQL Linux MVC frameworks including Laravel GIT/Source Control HTML, CSS JavaScript GCP/AWS This position provides the successful candidate with the exposure to the very latest in web technology release as well as the opportunity ...

Cloud & Full-Stack Engineer JBLE1 NI

Hiring Organisation
Ocho
Location
Belfast, UK
interview process - no lengthy hiring cycles Small, collaborative team where your voice is heard Work on problems that actually matter Technical Skills TypeScript/JavaScript, ideally with Angular experience AWS (Lambda, ECS, RDS, Step Functions, SageMaker or similar) Infrastructure as Code - CDK, Terraform, or CloudFormation SQL/NoSQL databases ...