1 to 25 of 32 Permanent JavaScript Jobs in Northern Ireland

Senior Engineer (Full Stack) JBLE1 NI

Hiring Organisation
TP ICAP Group Services Ltd
Location
Belfast, UK
Engineer in Typescript in a professional environment. Front-end skills Proficient in HTML5, CSS3, and Typescript Proficient in React, Redux, ReactQuery Experience with modern JavaScript frameworks - React Knowledge of version control systems (Git) Understanding of cross-browser compatibility Familiarity with RESTful APIs, GraphQL and Websockets Experience with CSS pre-processors ...

Senior Software Engineer - .NET/C# - Pharma JBLE1 NI

Hiring Organisation
VANRATH
Location
Belfast, UK
Strong experience with .NET (C#, .NET Core) and SQL databases Experience with cloud platforms (e.g. Azure or similar) Front-end experience with HTML, CSS, JavaScript, and modern frameworks (e.g. Angular or React) Solid understanding of microservices architecture and API development Strong problem-solving and debugging skills Experience mentoring or supporting ...

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 ...

Senior Software (Full Stack Engineer)

Hiring Organisation
Jobleads-UK
Location
Belfast, Northern Ireland, United Kingdom
continuous learning About You 5+ years' experience in Full Stack or Front/Back-End development Strong skills in TypeScript, React, Redux, and modern JavaScript frameworks Experience with REST APIs, GraphQL, WebSockets, and microservices Familiarity with AWS (Lambda, Fargate, API Gateway, AppSync) Knowledge of Docker, Kubernetes, and Terraform Experience with ...

Senior Software (Full Stack Engineer) JBLE1 NI

Hiring Organisation
VANRATH
Location
Belfast, UK
continuous learning About You 5+ years' experience in Full Stack or Front/Back-End development Strong skills in TypeScript, React, Redux, and modern JavaScript frameworks Experience with REST APIs, GraphQL, WebSockets, and microservices Familiarity with AWS (Lambda, Fargate, API Gateway, AppSync) Knowledge of Docker, Kubernetes, and Terraform Experience with ...

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 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 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 ...

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 ...

Software Engineer - Full Stack

Hiring Organisation
Hays
Location
Belfast, County Antrim, Northern Ireland, United Kingdom
Employment Type
Permanent
experience in software engineering/full-stack development Strong experience with backend development using PHP and/or C# Solid frontend development skills using JavaScript frameworks, ideally Vue.js Proven ability to work across the full stack, delivering end-to-end features Experience building and consuming APIs and web services Good ...

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 React Developer JBLE1 NI

Hiring Organisation
Ocho
Location
Belfast, UK
interactions Communicating design and implementation decisions clearly to both technical and non-technical stakeholders What You'll Need Essential Strong proficiency in HTML, CSS, JavaScript (ES6+), and TypeScript Proven experience building production React and applications Solid understanding of responsive, adaptive, and mobile-first design Experience with design tools such ...

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 ...

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 ...

Fullstack Software Engineer React/Python JBLE1 NI

Hiring Organisation
MCS Group
Location
Belfast, UK
cloud-based platform development Supporting the integration of AI-driven features into production Collaborating with engineers and data-focused teams Tech Environment Frontend: Modern JavaScript frameworks - REACT Backend: Python (or GoLang) Database: SQL-based systems Cloud: GCP ideally but open to other cloud providers Exposure to AI/ ...

Senior Software Engineer - AI Team

Hiring Organisation
Jobleads-UK
Location
Belfast, Northern Ireland, United Kingdom
build performant, secure back-end services that integrate with our AI platform Create user-friendly front-end interfaces for AI features using modern JavaScript frameworks or C# and Blazor Lead technical decision-making within your squad, balancing innovation with pragmatic delivery Drive best practices in code quality, testing, security … LLMs/GenAI/ML models - not demos or prototypes, but real systems serving users Strong full-stack capability with expertise in: Modern JavaScript frameworks (React, Vue, Angular, etc.) or Blazor for front-end development C# .NET for back-end services RESTful API design and implementation HTML5, CSS3, and responsive ...

Senior Frontend Engineer – React/TypeScript & UX

Hiring Organisation
Jobleads-UK
Location
Belfast, Northern Ireland, United Kingdom
responsible for designing and implementing scalable front-end solutions in a collaborative Agile environment. The role requires strong expertise in React, TypeScript, and JavaScript, and offers opportunities for professional growth. Join a talented team where innovation and continuous improvement are valued, and make a real impact on high-impact projects ...

Front End Developer

Hiring Organisation
Anson Mccade
Location
Belfast, County Antrim, Northern Ireland, United Kingdom
Employment Type
Permanent, Work From Home
/UX improvements and design systems Write clean, maintainable, and well-tested code Participate in code reviews and best engineering practices Required Experience: Strong JavaScript/TypeScript skills Experience with modern frameworks (React preferred, Angular or Vue also considered) Solid understanding of HTML5, CSS3, and responsive design Experience integrating RESTful ...

Director of Engineering

Hiring Organisation
Jobleads-UK
Location
Derry/Londonderry, Northern Ireland, United Kingdom
alongside a technically involved CTO is beneficial TECHNICAL SKILLS Deep understanding of modern software development practices and delivery models Strong background in C#, .NET, JavaScript, React, SQL Server, Azure, and Kubernetes Experience with cloud platforms, distributed systems, and modern DevOps practices Working knowledge of AI-augmented development tools and practices ...

VP of Engineering

Hiring Organisation
Jobleads-UK
Location
Belfast, Northern Ireland, United Kingdom
environments (ie. You've worked in a start-up/scale up previously and enjoy all that comes with the territory) Background in modern JavaScript/TypeScript and AWS cloud platforms - you'll not necessarily be coding day-to-day, but you'll lead architectural discussions and code reviews. Experience ...

Software Developer JBLE1 NI

Hiring Organisation
HAYS Specialist Recruitment
Location
Antrim, Co. Antrim, UK
Platform, Copilot and Azure What they are looking for : 1-2 years' software development experience Experience with a modern technology stack (e.g. C#, .NET, JavaScript) A curious, proactive and solutions-focused mindset A genuine passion for AI and Automation Why consider this role? Opportunity to experiment and innovate with ...

Data Science Analyst - Contract JBLE1 NI

Hiring Organisation
VANRATH
Location
Belfast, UK
confidential chat today. Follow VANRATH on LinkedIn for expert career advice, the latest jobs, industry news and much more Skills: SQL Python Javascript ML Data science JBLE1 ...

CTO - Brand new FDI to Belfast

Hiring Organisation
Jobleads-UK
Location
Belfast, Northern Ireland, United Kingdom
making product and architectural decisions Ability to work independently and take ownership Tech-wise, they are open, but experience across the following is beneficial: JavaScript Python/Ruby/Go Modern web or mobile development UI/UX awareness Exposure to AI/machine learning (nice to have, not essential ...