JavaScript Jobs in Belfast

1 to 25 of 66 JavaScript Jobs in Belfast

Senior Software Engineer

Belfast, United Kingdom
Hybrid / WFH Options
VanRath
pipelines . Familiarity with both relational and non-relational databases . Excellent team collaboration and communication skills. Desirable Experience: Enterprise software development background. Web development experience using React, TypeScript, JavaScript, CSS . Familiarity with AWS and cloud-native development. Exposure to containerisation , serverless architecture , and microservices . Knowledge of infrastructure as code (Terraform, CloudFormation). Experience with TDD, BDD , or More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer

Belfast, UK
Hybrid / WFH Options
ARC Regulatory Ltd
discipline Strong experience in .NET (C#, .NET Core) and SQL Server. Proficiency in Azure cloud services (Azure App Services, Functions, Storage). Experience with front-end technologies (HTML, CSS, JavaScript, Angular, React). Understanding of microservices architecture & API development. Strong problem-solving and debugging skills. Previous experience in mentoring junior members of staff. Desirable Skills Experience with Azure DevSecOps & CI More ❯
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Software Engineer

Belfast, UK
Hybrid / WFH Options
Rs Progress Limited
self-directed manner. Acquires and maintains comprehensive knowledge of the assigned department. Performs additional duties as needed, including collaborating with colleagues from other departments. Experience Languages: C#, .NET Core, JavaScript/TypeScript, SQL Frameworks : ASP.NET, Angular, Blazor Azure Services: Azure Functions, Azure App Service, Azure SQL, Azure Data Factory, Azure DevOps, Azure Blob Storage DevOps Tools: Git, Docker, Bicep, ARM More ❯
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Lead Developer - EPR

Belfast, UK
CIS Oncology
CD (Azure DevOps, TeamCity, Octopus Deploy or similar). Experience with automated testing frameworks (MSTest, NUnit) and mocking frameworks such as NSubstitute. Understanding of infrastructure as code. Desired skills: JavaScript, HTML and CSS. Experience with Vue.js and Vuetify Qualifications & Work Experience: Strong experience in software development. Experience in a senior technical or leadership role, mentoring engineers and leading team processes. More ❯
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Technical/Engineering Lead

Belfast, County Antrim, Northern Ireland, United Kingdom
Hybrid / WFH Options
EVOLVE IN RECRUITMENT LTD
While we advocate for using the right tech for the right task, 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 CI/CD:Jenkins More ❯
Employment Type: Permanent, Work From Home
Salary: £95,000
Posted:

Technical Lead/Engineer Lead - Belfast

Belfast, County Antrim, Northern Ireland, United Kingdom
Evolve Recruitment
While we advocate for using the right tech for the right task, 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 CI/CD:Jenkins More ❯
Employment Type: Full-Time
Salary: £60,000 - £97,000 per annum
Posted:

Principal Software Engineer - .Net

Belfast, UK
Hybrid / WFH Options
VANRATH
IT roles in Belfast or across Northern Ireland - please apply via the link below or reach out to Jarlath O'Rourke in strict confidence. Skills: .Net C# Aws React Javascript More ❯
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Principal .Net Developer

Belfast, UK
Hybrid / WFH Options
Ocho
mentoring and coaching experience Hands-on experience implementing automated testing for complex systems Desirable Skills Experience with WPF application development In-depth knowledge of AWS services Exposure to Java, JavaScript, or React Familiarity with serverless architectures and microservices Experience with TDD, BDD, or similar approaches Why Join? Shape engineering practices across a globally recognised business Work remotely within a collaborative More ❯
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Senior .Net Developer

Belfast, UK
Hybrid / WFH Options
MCS Group
Contribute to architectural discussions and CI/CD pipelines What We're Looking For? Professional exeprience in software engineering Strong hands-on expertise in C# (.NET Core) and modern JavaScript frameworks (preferably React) Proficiency in Microsoft SQL Server or related relational databases Familiarity with AWS or other cloud technolgoies is advantageous Collaborative mindset with experience working in Agile teams Why More ❯
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Senior React Engineer

Belfast, UK
Hybrid / WFH Options
Ocho
new features. Championing best practices in code quality, accessibility, and front-end performance. Mentoring mid-level engineers and influencing front-end architecture decisions. Tech Stack & Tools Core: React, TypeScript, JavaScript (ES6+), HTML5, CSS3/SASS State Management: Redux, Zustand, or Recoil Testing: Jest, React Testing Library, Cypress Build Tools: Webpack, Vite, or similar API Integration: RESTful services and GraphQL CI More ❯
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Senior Software Engineer

Belfast, UK
Hybrid / WFH Options
Sensoteq
product team to define problems clearly and make success measurable. Rapidly prototype, validate with users, and ship - keeping feedback tight and progress aligned. Build and ship modern full-stack JavaScript applications using React, Typescript, Node, SQL and DynamoDB. Design and implement scalable serverless infrastructure using AWS tools like Lambda, SQS, SNS, SES, and ECS - with infrastructure-as-code managed through More ❯
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System Architect - Fusion Platform

Belfast, UK
TP ICAP Group Services Ltd
enterprise-scale environments. Strong technical leadership, with the ability to mentor and influence teams. Excellent analytical, communication, and stakeholder management skills. Hands-on enterprise systems development experience (C#, Java, JavaScript/TypeScript, C++ or similar). Proficiency in cloud platforms (AWS preferred; Azure/GCP), containerisation, and microservices. Strong knowledge of APIs, system integration, and DevOps (CI/CD, infrastructure More ❯
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Senior Fullstack Engineer (Cloud Platform Team)

Belfast, UK
MCS Group
engineers Tech environment: Java, Spring Boot, React, Python, Kubernetes, Terraform, Jenkins, AWS, SQL About you: experience in software development (SaaS or cloud environments) Strong skills in Java and modern JavaScript frameworks (React/TypeScript) Experience with cloud infrastructure and containerisation Comfortable working across the stack and taking ownership of delivery Why apply? You'll join a collaborative, forward-thinking engineering More ❯
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System Architect

Belfast, UK
Ocho
software architecture and solution design across front-end, back-end, or middleware Strong technical foundation and proven ability to deliver enterprise-scale systems Hands-on experience with C#, Java, JavaScript/TypeScript, or C++ Proficiency in cloud platforms (AWS preferred), containerisation, and microservices Deep understanding of APIs, system integration, and DevOps practices (CI/CD, IaC, Git) Solid grasp of More ❯
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Senior Typescript Engineer

Belfast, UK
Hybrid / WFH Options
Ocho
clear, prioritised tasks. Ensure system 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. Hands-on experience with Azure More ❯
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Principal .NET Engineer

Belfast, UK
Hybrid / WFH Options
Ocho
UI frameworks Exposure to financial markets or trading platforms Familiarity with FIX protocol and financial messaging systems Strong knowledge of AWS services and infrastructure best practices Experience with Java, JavaScript or React Understanding of microservices and serverless architectures Working knowledge of TDD, BDD or related testing methodologies Apply here or contact Aaron Somers at Ocho via LinkedIn for more information. More ❯
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Systems Architect

Belfast, UK
Hybrid / WFH Options
Ocho
architectural principles, modern systems design, and cloud-native technologies. Proven experience across front-end, back-end, or middleware solution development. Hands-on background with technologies such as C#, Java, JavaScript/TypeScript, or C++. Expertise in cloud platforms (AWS preferred, Azure or GCP also valuable), containerisation, and microservices. Deep understanding of APIs, integration patterns, and DevOps (CI/CD, infrastructure More ❯
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Senior Software Engineer in Belfast - Ocho

Belfast, United Kingdom
Java Script Works
Overview Engage in Greenfield Projects Daily Technologies: AWS Angular Java React ASP.NET NodeJS Cloud C# Support JavaScript More: We are a company that has recently experienced unparalleled growth without redundancies, and we offer a supportive environment for engineers to grow and contribute. Years of Post-graduate Engineering Experience Ability and desire to work with various technologies across multiple projects, including More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer - Belfast in Belfast - Ocho

Belfast, United Kingdom
Java Script Works
Responsibilities In this hands-on role, you will 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. Salary $50,000 - $65,000 per year Requirements We are looking for a candidate with deep experience in .NET (C#) and More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Full Stack Engineer

Belfast, UK
Hybrid / WFH Options
Ocho
below. If you're passionate about working on unique, industry-leading technology and want to be part of a collaborative, high-performing team, let's talk. Skills: Python AWS JavaScript TypeScript More ❯
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.NET Developers - All Levels

Belfast, UK
Hybrid / WFH Options
Enso Recruitment
in building distributed, event-driven systems. Nice to Have: WPF development experience. Financial/trading systems knowledge; FIX protocol familiarity. Experience with AWS, microservices, serverless architecture. Exposure to Java, JavaScript, React. TDD, BDD or similar practices. Salary Package Competitive Base Salary Bonus Pension Healthcare Hybrid Working Skills: C# Asp.Net Benefits: Annual Bonus/13th Cheque Pension Fund Parking Performance Bonus More ❯
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Senior React Engineer - Hybrid (Belfast)

Belfast, UK
Hybrid / WFH Options
Ocho
of continuous improvement through code reviews and technical innovation Mentor junior engineers and play an active role in shaping the team's technical direction Essential Skills & Experience: Expert-level JavaScript/TypeScript development with extensive React experience Proven experience building responsive, component-based UIs using modern frameworks and tools Strong understanding of RESTful APIs and integrating with back-end systems More ❯
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Senior Software Engineering Manager

Belfast, UK
Ocho
total) in a fast-paced SaaS or product-focused environment. Strong technical background - ideally from full-stack or backend engineering before moving into leadership. Experience with AWS, TypeScript/JavaScript (React, Node.js), and modern CI/CD pipelines. Demonstrable ability to attract, develop, and retain high-performing engineers. Pragmatic, outcome-oriented leader who values clear communication, accountability, and technical craft. More ❯
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Web Developer Trainee

Belfast, County Antrim, Northern Ireland, United Kingdom
ITOL Recruit
you will be ready to 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. You can use it for both small and complex More ❯
Employment Type: Full-Time
Salary: £27,000 - £35,000 per annum
Posted:

.NET Developer

Belfast, Northern Ireland, United Kingdom
Hybrid / WFH Options
Noir
Our client offers over 20 days of dedicated technical training per year and exposure to cutting edge technologies such as: .NET 9, Web API 2, Entity Framework, Microservices, Azure, JavaScript, Angular 19, Bootstrap, Agile and MongoDB. Additionally you will follow an official structured career progression program. Location : Belfast, Northern Ireland, UK/Remote Working Salary : £35,000 - £65,000 + More ❯
Posted:
JavaScript
Belfast
25th Percentile
£82,500
Median
£85,000
75th Percentile
£87,500