1 to 25 of 27 Permanent JavaScript Jobs in Northern Ireland

software engineering experience and a good understanding of modern development practices. You should have experience with several of the following: * Java, C#, .NET, Python, JavaScript, TypeScript or another relevant language * Object oriented programming and software design principles * SQL and database technologies * REST APIs and integrations * Git and source control * Automated ...

with CE modules such as Sales, Marketing, Customer Service, Field Service and Customer Insights) C# plug-in development and PCF development (TypeScript/React) JavaScript form customisation and Power Automate Knowledge of public cloud platforms, such as AWS and Azure, including SaaS and PaaS offerings Desirable Typescript REST API integrations ...

using Azure Strong SQL Server experience including performance optimisation Experience working with APIs and microservices architectures Exposure to modern front-end technologies (Angular, React, JavaScript) Proven ability to mentor and support other engineers Strong problem-solving skills and attention to detail Comfortable working in a collaborative, Agile environment Desirable Experience ...

have: Extensive experience in QA automation within Agile environments Strong hands-on experience with Playwright, Selenium, Cypress or WebDriverIO Strong programming experience in Java, JavaScript or TypeScript Experience designing and maintaining scalable automation frameworks Strong API, functional and end-to-end testing experience Experience integrating automated testing into CI/ ...

hands-on technical capacity. Strong software engineering expertise across modern languages and frameworks, including experience coding in one or more of: Python, Go, TypeScript, JavaScript or React. Experience delivering AI-enabled or Generative AI solutions within enterprise environments. Experience building enterprise-scale cloud-native applications using Kubernetes, containers, microservices ...

aptitude through projects, apprenticeships, bootcamps, or self-study Basic knowledge of at least one programming or scripting language (such as SQL, Java, Python, or JavaScript) Strong analytical and problem-solving skills with excellent attention to detail Effective written and verbal communication skills A willingness to learn Oracle Cloud technologies ...

aptitude through projects, apprenticeships, bootcamps, or self-study Basic knowledge of at least one programming or scripting language (such as SQL, Java, Python, or JavaScript) Strong analytical and problem-solving skills with excellent attention to detail Effective written and verbal communication skills A willingness to learn Oracle Cloud technologies ...

Able to work on-site four days per week at our Belfast office Extensive meaningful hands-on engineering experience developing large scale systems using JavaScript, TypeScript, or similar. Direct hands-on experience with and deep knowledge of React and TypeScript, plus one or more UI back-ends (Rails, Swing, Node ...

that is waiting to see what happens Interested? Reach out to Ryan Quinn at Ocho on LinkedIn for a confidential conversation. Skills: Python, AWS, JavaScript Benefits: Options, Leading Pension, Remote TLNT1 ...

edge technologies in a dynamic and collaborative environment. If you meet the minimum requirements and are excited about leveraging your skills in Java/JavaScript, Selenium/Jest, and cloud technologies, we encourage you to apply! Embracing our differences At Kainos, we believe in the power of diversity, equity ...

Java or Python Deep experience with backend frameworks such as Spring Boot/Spring Core and Flask/FastAPI Solid frontend experience with modern JavaScript frameworks (React, Angular, or Vue) Experience designing and delivering scalable, cloud‐native applications Exposure to Gen‐AI concepts including: Large Language Models (LLMs) and transformer ...

Java or Python*** Deep experience with backend frameworks such as **Spring Boot/Spring Core** and **Flask/FastAPI*** Solid frontend experience with **modern JavaScript frameworks** (React, Angular, or Vue)* Experience designing and delivering **scalable, cloud‐native applications*** Exposure to Gen‐AI concepts including: + Large Language Models (LLMs ...

Essential Extensive experience in QA automation within Agile environments. Strong automation experience using tools such as Selenium, Cypress, Playwright, or TestComplete. Proficiency in Java, JavaScript, or similar programming/scripting languages. Proven ability to design and maintain scalable automation frameworks (Playwright/WebDriverIO preferred). Experience integrating automation within ...

Demonstrated interest in continuously improving cloud security controls through learning, experimentation, and collaboration. Proficiency in one or more modern programming languages (e.g., Python, Java, JavaScript), with the ability to write, review, and maintain production-quality code. Supervisory Responsibilities: This role has supervisory responsibilities and serves as the first level manager ...

pnpm, Vitest and Playwright for testing, Zod validation and Shadcn UI components. What you will need: 5 or more years of professional TypeScript and JavaScript development across frontend and backend Solid Node.js experience building production APIs and backend services Expert level React with modern patterns across SPA applications Strong experience ...

critical systems. The ideal candidate will have deep experience in Python development , support and incident management , modern delivery methodologies , cloud platforms , and front-end JavaScript technologies . Key Responsibilities Production Support & Operations Provide L2/L3 support for Python-based applications in production environments Monitor system performance, troubleshoot incidents … code (e.g., Terraform, ARM, CloudFormation) Ensure security, scalability, and resilience of cloud-based systems Front-End Development Develop or support UI components using modern JavaScript frameworks (e.g., React and Angular) Collaborate with UX/UI teams to improve user experience Ensure seamless integration between front-end and back-end systems ...

create and evolve financial software platforms. You will work on full-stack development, applying Spring Boot/Spring Core, Flask/FastAPI, and modern JavaScript frameworks to deliver scalable cloud-native applications. You will collaborate with cross-functional teams, mentor junior engineers, and ensure robust coding practices while embracing GenAI ...

professional with excellent SQL skills, we'd love to hear from you. Apply today or contact VANRATH for a confidential discussion. Skills: SQL Python Javascript ML Data science TLNT1 ...

team What You'll Need Essential: 7+ years building and supporting scalable, distributed systems Deep hands-on experience with Java (Spring Boot) and modern JavaScript/React Strong grounding in identity and access management: OAuth2, OIDC, SAML, SSO, JWT, MFA Desirable: AWS security services experience (IAM, Cognito, KMS, Secrets Manager ...

shape the user experience for enterprise-grade AI security agents and collaborate across product, design, and backend teams. This high-ownership role demands deep JavaScript/TypeScript skills, React expertise, and experience with large-scale systems, cloud-native development, and on-call rotations. #J-18808-Ljbffr ...

implementation React frontend development skills UK work authorisation Desirable: Experience with Snowflake Familiarity with observability tools including logging, monitoring and tracing Experience with JavaScript Why Apply? Salary of £40,000 to £45,000 Work on a greenfield data lake platform with real engineering impact Collaborative, fast-moving team with ...

including SQL and stored procedures. Ability to troubleshoot and investigate technical issues, with experience in precise and detailed technical communication. Experience in EJS(Embedded JavaScript templates) will be preferred. CLP C Certified Professional Programmer Certification preferred. Circumstances Working hours: Monday to Friday, 37.5 hours per week with additional hours ...

other data warehouse tools; Familiarity with attribution solutions, e.g. Google Ads, Meta Ads, TripleWhale, Northbeam; Knowledge of web development, including the use of JavaScript, HTML, and CSS. What we offer Salary £35,000-£50,000 per year DOE Bonus opportunities (Annual Performance Bonus + New Business Referrals) Located in Belfast ...

APIs or WCF services Strong understanding and practical application of design patterns and SOLID principles Experience working with Microsoft SQL Server Proficiency in HTML5, JavaScript, jQuery, CSS, and front-end frameworks such as Bootstrap Experience using Git for source control and Azure DevOps for repository and branch management Experience with … available Based in Belfast Desirable Criteria Experience with Microsoft Azure PaaS services Experience working with .NET Core/modern .NET Experience with modern JavaScript frameworks, particularly React (v17+), and the npm ecosystem Familiarity with modern front-end build tools and development workflows Experience applying Test-Driven Development (TDD) practices Relevant ...

The TP ICAP Group is a world leading provider of market infrastructure. Our purpose is to provide clients with access to global financial and commodities markets, improving price discovery, liquidity, and distribution of data, through ...