24 of 24 Permanent JavaScript Jobs in County Antrim

Senior Software Engineer (.Net)

Hiring Organisation
Primis
Location
Belfast, UK
Employment Type
Full-time
Event-driven, microservices-oriented design Cloud: Azure (AWS experience valued), Infrastructure-as-Code Data: SQL, caching strategies, message brokers (RabbitMQ, etc.) Frontend: HTML, CSS, JavaScript DevOps: CI/CD pipelines, Behaviour-Driven Development, modern agile methodologies What You Bring: Senior: 6+ years of software engineering experience Principal: 10+ years ...

Senior Software Developer | Webigence and Spark Travel

Hiring Organisation
Spark Travel
Location
Belfast, UK
Employment Type
Full-time
degree in Computer Science or a closely related discipline. - 4+ years building modern web or data applications with .NET and at least one JavaScript framework. - Hands-on experience with Azure or another major cloud provider, plus an understanding of microservices and event-driven architectures. - You love balancing delivery speed with ...

AI Engineering Lead

Hiring Organisation
Akixi
Location
Belfast, UK
Employment Type
Full-time
developing and integrating AI solutions such as chatbots, voicebots, ML models, or LLM-based analytics. Strong proficiency in Python (preferred) and/or JavaScript/TypeScript. Hands-on experience with AI frameworks (TensorFlow, PyTorch, LangChain) and LLM APIs (Azure OpenAI, OpenAI API, Anthropic, AWS Bedrock). Experience with Microsoft ...

Web Developer Trainee

Hiring Organisation
ITOL Recruit
Location
Belfast, County Antrim, Northern Ireland, United Kingdom
Employment Type
Full-Time
Salary
£27,000 - £35,000 per annum
move forward. Step 2 - Online Training The second step includes a selection of more advanced courses to get you up to speed. React-js JavaScript JavaScript forms the foundation of almost everything you see on the Internet, so it will be essential! Python is highly versatile. ...

Full Stack Engineer (Angular +

Hiring Organisation
MYT Shutters
Location
Belfast, UK
Employment Type
Full-time
long-term reliability What We're Looking ForRequired: · 2+ years software development experience · Commercial experience with Angular (v10+) · Strong proficiency in TypeScript and JavaScript · 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 that area ...

Full Stack Engineer

Hiring Organisation
First Point Group
Location
Belfast, UK
Employment Type
Full-time
continuously improve solution design and delivery. Required Skills & Experience Strong commercial experience with Node.js for backend development. Front-end development experience using modern JavaScript frameworks (e.g. React, Vue, Angular). Experience designing and building data-driven web applications and APIs. Solid understanding of software development best practices, security, and scalability. ...

Senior Software Engineer

Hiring Organisation
Immersum
Location
Belfast, UK
Employment Type
Full-time
days/month; occasional team gatherings Salary: Senior: €130–150k base + growth trajectory Principal: €160–200k base + package discussion Tech: Python, JavaScript, Azure, AWS, AI, LLM's, RAG Industry: AI Consultancy The Role We're looking for talented engineers to join our customer-facing AI practice, from Senior ...

Principal Software Engineer

Hiring Organisation
TopTek Talent
Location
Belfast, UK
Employment Type
Full-time
Mastery: Extensive professional background working with the JVM ecosystem (specifically Java or Kotlin). Modern Web & Orchestration: Ideally you will have proficiency in JavaScript frameworks and experience with workflow engines. Cloud-Native Data: Solid experience architecting on AWS and managing both relational and document-based data stores like Postgres ...

Full Stack Engineer

Hiring Organisation
Morson Edge
Location
Belfast, UK
Employment Type
Full-time
team grows Skills 4+ years commercial software development experience 2–3+ years experience with React.js 2–3+ years experience with Node.js and modern JavaScript (ES6+) Experience with relational databases such as Postgres Familiarity with Git and CI/CD workflows Strong collaboration and communication skills Agile development experience Writing clean ...

Senior Magento Developer (Backend)

Hiring Organisation
INDEZ
Location
Belfast, UK
Employment Type
Full-time
Minimum 3+ years of commercial experience with Magento 2, specifically with a backend focus. Tech Stack: Strong proficiency in PHP, MySQL, HTML/CSS, JavaScript, and Git. AI-Augmented Workflow: You are comfortable working with AI-native IDEs (e.g. Google Antigravity, Cursor, Windsurf) to speed up debugging and code generation. ...

Applications Engineer

Hiring Organisation
Reed
Location
Belfast, County Antrim, Northern Ireland, United Kingdom
Employment Type
Full-Time
Salary
£38,000 - £42,000 per annum, Inc benefits
Software Engineering, or a related field Proven experience in software development and application engineering Proficiency in programming languages such as Appscript, Java, Python, and JavaScript Strong analytical and problem-solving skills Ability to work autonomously with minimal supervision and collaborate effectively within a team Excellent communication and interpersonal skills Ability ...

Application Software Consultant

Hiring Organisation
Alchemy Recruitment Solutions Ltd
Location
Belfast, County Antrim, Northern Ireland, United Kingdom
Employment Type
Permanent
Salary
£50,000
STEM or IT graduate 5 years+ real world enterprise software implementation experience Experience supporting users of enterprise software applications Experience configuring solutions using JavaScript, VBScript, VB.NET & SQL Experience conducting requirements gathering and documentation. Windows Servers & Networking experience Desired: Industry knowledge: Experience within regulated industries (e.g., engineering, construction, nuclear, finance ...

Senior Software Engineer

Hiring Organisation
Cotality
Location
Belfast, UK
Employment Type
Full-time
detail · Good communication skills, including knowledge sharing Desirable · Experience of working in an Agile environment · Knowledge on optimising performance in both code and data · JavaScript, JQuery and HTML/CSS for basic front-end development · Experience of Vue (or Angular/React) · Experience of using modern JavaScript (ES6+) and associated ...

Front End JavaScript Developer

Hiring Organisation
Enigma Software Solutions
Location
Belfast, UK
Employment Type
Full-time
Position: Front End JavaScript Developer Reports to: Front End Development Team Lead Hours: 40 hours Location: 3 days in North London office (Monday – Wednesday) Salary: £60 - £80,000 + eligibility for performance bonus Start date: ASAP Purpose of the role: As a Front End Developer you will join … highest standards of code quality in alignment with company-wide conventions. Required skills: · Minimum of 4 years of hands-on experience with Javascript working mainly on Frontend solutions · Solid grasp of JavaScript(Vanilla Javascript) fundamentals, including understanding of the Document Object Model (DOM) and browser Application Programming Interfaces (APIs). ...

Director of Payment Solutions

Hiring Organisation
X4 Technology
Location
Belfast, UK
Employment Type
Full-time
leadership role, managing global teams of architects, analysts, or engineers. 4. Product & Technology Depth Experience with SaaS technologies, SDKs, APIs, web applications (HTML, CSS, JavaScript), and modern integration frameworks. 5. Commercial & Strategic Acumen Demonstrated ownership of partner KPIs, optimisation initiatives, or P&L-related performance; excellent communication and stakeholder-management ...

Full-Stack Java Engineer (Mid-to-Senior) - Remote First | Full-Time or 4-Day Equivalent

Hiring Organisation
PhixFlow
Location
Belfast, UK
Employment Type
Full-time
experience working effectively within large, enterprise-scale codebases. ● Solid proficiency in Java (deep server-side development and platform architecture familiarity). ● Strong experience with JavaScript, TypeScript and React (front-end development, with an interest in UX/UI principles). ● Expertise in SQL and designing/optimising relational database schemas. … interest in, the following or similar technologies and concepts is highly valuable: ● Backend: Java, Spring, Hibernate, multi-threading/concurrency, Quarkus/Micronaut. ● Frontend: JavaScript, TypeScript, React, D3.js, SVG, CSS. ● Database: SQL (SQL Server, MySQL, Oracle), Data Modelling. ● Infrastructure: Cloud Platforms (Azure, AWS), Git. ● Advanced Topics: AI/LLM (Large ...

.NET Developer

Hiring Organisation
Noir
Location
Belfast, Northern Ireland, United Kingdom
.NET Developer, .NET 10.0 - Social Networking Site – Belfast (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET, Azure AI, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is the world’s largest social-networking web site and they have … dedicated technical training per year and exposure to cutting edge technologies such as: .NET 10.0, ASP.NET Core, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET, Azure AI, Azure, Bootstrap, Agile and MongoDB. Additionally you will follow an official structured career progression program. Location : Belfast, Northern Ireland ...

Senior Frontend Engineer

Hiring Organisation
Morson Edge
Location
Belfast, UK
Employment Type
Full-time
their skillsets, fostering a culture of continuous learning and improvement. You will bring over 7 years of software engineering experience with deep expertise in JavaScript, TypeScript, and React. Experience in full stack development using Node.js or Go would be a nice to have alongside a strong understanding of automated testing … practices. Bonus skills include browser optimisation, compiler technology or UX design which will be highly regarded. Skills 7+ years software engineering experience Expert in JavaScript, TypeScript and React Strong understanding of automated testing and QA Ability to translate complex ideas into high-quality, shippable products Mentoring and team leadership skills ...

Remote Software Engineer (UK)

Hiring Organisation
Turing
Location
Belfast, UK
Employment Type
Full-time
training, benchmarking, and advancing large language models, collaborating closely with researchers. This includes curating code examples, providing precise solutions, and making corrections in Python, JavaScript (including ReactJS), C/C++, Java, Rust, and Go; evaluating and refining AI-generated code for efficiency, scalability, and reliability; and working with cross-functional … What Does a Typical Day Look Like? Working on AI model training initiatives by curating code examples, building solutions, and correcting code in Python, JavaScript (including ReactJS), C/C++, Java, Rust, and Go. Evaluate and refine AI-generated code to ensure that it is efficient, scalable, and reliable. Collaborate ...

Junior/Mid QA Analyst | Webigence and Spark Travel

Hiring Organisation
Spark Travel
Location
Belfast, UK
Employment Type
Full-time
About Webigence and Spark Travel Webigence has 25 years of experience crafting UX‐first, often highly complex software. Our engineers pair forward‐thinking agile practices with an obsession for intuitive design, shipping products that feel ...

Senior Developer (Fully Remote - ECommerce Agency)

Hiring Organisation
Battalion
Location
Belfast, UK
Employment Type
Full-time
(Kindly Note: We are only accepting UK based applicants for this role) Battalion is an independent creative digital agency, specialising in developing brands and digital experiences for global 'tech for good' clients. We are on ...

Principal Frontend Engineer

Hiring Organisation
Morson Edge
Location
Belfast, UK
Employment Type
Full-time
their skillsets, fostering a culture of continuous learning and improvement. You will bring over 7 years of software engineering experience with deep expertise in JavaScript, TypeScript, and React. Experience in full stack development using Node.js or Go would be a nice to have alongside a strong understanding of automated testing … practices. Bonus skills include browser optimisation, compiler technology or UX design which will be highly regarded. Skills 7+ years software engineering experience Expert in JavaScript, TypeScript and React Strong understanding of automated testing and QA Ability to translate complex ideas into high-quality, shippable products Mentoring and team leadership skills ...

Full Stack Developer - AI & Automation (UK Remote)

Hiring Organisation
Stanley House Consulting
Location
Belfast, UK
Employment Type
Full-time
across products. Develop sophisticated CRM functionality. Create robust automation tools to transform workflows. Tech Stack You'll Work With Frontend: Next.js (App Router), React, JavaScript, TypeScript, Chakra UI, TailwindCSS, shadcn/ui Backend: Supabase (PostgreSQL, Auth, RLS, Storage) AI/ML: OpenAI, Anthropic Claude, LangChain, Vector Databases Deployment: Vercel … Must-Have Skills Core Languages: TypeScript, JavaScript, Python Databases: MySQL, PostgreSQL, JSON Frameworks: Next.js & React, incl. App Router (Server/Client Components, Server Actions) Proficiency in Supabase (database design, RLS, auth flows) Third-party API App Integration (incl. OpenAI, AI/LLM APIs) AI/ML: RAG implementation (Vector Databases ...

Product Engineer

Hiring Organisation
Altech Group Ltd
Location
Belfast, UK
Employment Type
Full-time
with high-quality, vetted human data for studies, surveys, and AI research are looking for 2 excellent Product Engineers. The stack is Python/JavaScript focused, but the crux of what they want are engineers who can build product from scratch, with a real understanding of how to optimize workflows. … working in a business acknowledged for being one of the best places in the UK for Engineers to learn and grow. Essential Skills: Python JavaScript/Typescript. They use Vue.js but are open to any React.js engineers AWS/GCP MongoDB DynamoDB Nice to haves: Experience building a product from ...