1 to 25 of 294 Permanent JavaScript Jobs in the UK

Lead Software Engineer

Hiring Organisation
Hackajob Ltd
Location
Bournemouth, Dorset, South West, United Kingdom
Employment Type
Permanent
e.g., Java, Python Springboot, Node.js ) with experience building microservices-based applications; for full-stack roles, proficiency also includes front-end technologies (e.g., HTML, CSS, JavaScript, Typescript, React, Angular). Demonstrated ability to independently solve design and functionality challenges with minimal supervision. Experience working with cloud platforms (e.g., AWS, Azure ...

Senior React & Node Developer (AI & Full Stack)

Hiring Organisation
Infused Solutions Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
£65000 - £75000/annum
Models (LLMs) Generative AI Microservices GraphQL CI/CD Infrastructure as Code Event-driven architecture Agile product development Accessibility (WCAG) Technology Stack React TypeScript JavaScript Node.js Express.js Python Microsoft Azure Docker OAuth REST APIs Git AI-assisted development tools CI/CD What's on Offer Competitive salary Hybrid working ...

Senior Fullstack Software Engineer

Hiring Organisation
TPXImpact Holdings Plc
Location
United Kingdom
Employment Type
Permanent
Salary
£65,000
development, including design, development, testing, and deployment. Some of the languages and frameworks our teams work with: Java Python C#/.NET Full stack JavaScript (React, Node.js etc.) We expect you to have deep experience in at least one of the above, you will also be flexible and comfortable picking ...

Java Full Stack Engineer

Hiring Organisation
Sanderson Government and Defence
Location
United Kingdom
Employment Type
Permanent
Salary
£55,000
including AWS and Azure Skills and Experience Essential Extensive experience building microservices using Java and Spring Boot Experience developing front-end web applications using JavaScript and/or TypeScript, React, HTML and CSS Experience using Git for version control Experience with repository management platforms such as GitHub or GitLab Experience ...

Lead Full-Stack Software Engineer

Hiring Organisation
TPXImpact Holdings Plc
Location
United Kingdom
Employment Type
Permanent
Salary
£85,000
design, development, testing, and deployment. Some of the languages and frameworks our teams work with: Java/Kotlin Python C#/.NET Full stack JavaScript (Express, React, Node.js etc.) We expect you to have deep experience in at least one of the above; you will also be flexible and comfortable ...

Lead Full-Stack Software Engineer

Location
London, United Kingdom
design, development, testing, and deployment. Some of the languages and frameworks our teams work with: Java/Kotlin Python C#/.NET Full stack JavaScript (Express, React, Node.js etc.) We expect you to have deep experience in at least one of the above you will also be flexible and comfortable ...

Software Engineering Specialist - DV Cleared

Hiring Organisation
Salt
Location
South East London, UK
standards and best practices. Technical Skills We are interested in engineers with experience across some of the following technologies: Programming: Python, Java, C++, C#, JavaScript Cloud: AWS, Azure, GCP DevOps: Jenkins, GitLab, GitHub Actions, CI/CD Infrastructure as Code: Terraform, Ansible, Chef, Puppet Containerisation: Docker, Kubernetes, Helm, OpenShift Operating ...

Senior AI & Integration Engineer – C# / .NET / Azure

Hiring Organisation
Adria Solutions Ltd
Location
Manchester, United Kingdom
Employment Type
Permanent
Salary
£70000 - £75000/annum
Graph, Teams and SharePoint integrations. Azure AI services, document processing and retrieval-based solutions. Logic Apps, API Management, Service Bus and Key Vault. TypeScript, JavaScript or Python. Docker, infrastructure as code or Model Context Protocol. Salary & benefits £70,000–£75,000 salary. Four days working from home- one office Flexible ...

Node Developer

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
Agile development cycles, contributing to sprint planning, code reviews, and continuous delivery. Key Skills/Experience: Proven experience in Node.js development Strong knowledge of JavaScript (ES6+), asynchronous programming, and event-driven architecture. Experience with building and maintaining RESTful APIs. Solid understanding of SQL and NoSQL databases (e.g., MongoDB, PostgreSQL, MySQL ...

Principal Software Engineer

Hiring Organisation
TPXImpact Holdings Plc
Location
United Kingdom
Employment Type
Permanent
Salary
£90,000
with a focus on large-scale, complex systems. Polyglot engineer comfortable working across multiple languages and frameworks (weve used Python, Java, Kotlin, Node.js, C#, JavaScript, Express, React and Next.js to name a few). Passion for learning new technologies and helping others do the same. Proven track record of leading ...

Graduate Software Engineer C

Hiring Organisation
WHD
Location
Maidenhead, Royal Borough of Windsor and Maidenhead, Berkshire, United Kingdom
Employment Type
Permanent
Salary
£35000 - £36000/annum
oriented programming , data structures and algorithms , and common design patterns . Familiarity with one or more of the following: C#/.NET, React, TypeScript, JavaScript, SQL , or another object-oriented language. Exposure to relational databases, web development, Git, Visual Studio, or Azure DevOps/Jira would be an advantage ...

Principle Engineer

Location
United Kingdom
absence of other senior engineering leaders. Experience operating within Agile and DevOps delivery models. Desirable Skills: Application & Integration Technologies C# .NET Entity Framework JavaScript React Vue.js Windows Presentation Foundation (WPF) REST APIs Microservices architecture AI & Data Technologies AWS SageMaker Large Language Model (LLM) integrations AI-assisted analytics solutions Python-based ...

Senior Fullstack Software Engineer - (Java, Spring Boot, Microservices

Hiring Organisation
TPXImpact Holdings Plc
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£70,000
Agile and DevOps practices, with a focus on continuous integration and delivery. Some proficiency in one or more programming languages (e.g., Python, Java, JavaScript) and experience with software architecture patterns. Experience with cloud platforms (e.g., AWS, Azure, GCP) and infrastructure as code. Familiarity with CI/CD pipelines, automated testing ...

Forward Deployed Engineer

Hiring Organisation
Hackajob Ltd
Location
Newcastle Upon Tyne, Tyne and Wear, North East, United Kingdom
Employment Type
Permanent
direct experience calling LLM APIs in production code with an understanding of token management, latency, and cost tradeoffs Basic understanding of web technologies including JavaScript, HTML, and CSS Familiarity with cloud fundamentals (AWS, Azure, or GCP), containers (Docker), and CI/CD pipelines Understanding of Agile delivery fundamentals Experience with ...

Lead Fullstack Software Engineer - Java, Springboot, Microservices

Hiring Organisation
TPXImpact Holdings Plc
Location
East London, London, United Kingdom
Employment Type
Permanent
Salary
£75,000
polyglot is preferred. Strong understanding of software development methodologies such as Agile, TDD and DevOps. Some proficiency in multiple programming languages such as Python, JavaScript, or similar. Extensive experience writing well-tested code. Good knowledge of cloud platforms (e.g., AWS, Azure, GCP) and infrastructure as code Experience with CI/ ...

Lead Fullstack Software Engineer - Java, Springboot, Microservices

Location
Bexley, South East London, United Kingdom
polyglot is preferred. Strong understanding of software development methodologies such as Agile, TDD and DevOps. Some proficiency in multiple programming languages such as Python, JavaScript, or similar. Extensive experience writing well-tested code. Good knowledge of cloud platforms (e.g., AWS, Azure, GCP) and infrastructure as code Experience with CI/ ...

Lead Software Engineer (Hybrid)

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
Salary
£95,000
youve served Written production-quality code using a variety of languages and frameworks, including but not limited to: Java, C#/.NET, Python, TypeScript, JavaScript, React, Go, Ruby, Scala, R, and SQL Leveraged AI-assistive development tools for tasks like scaffolding, refactoring, debugging, test generation, and documentation Experience building ...

Senior Web Developer

Hiring Organisation
Gap Personnel - Wrexham
Location
Wrexham, Conwy County, Wales, United Kingdom
Employment Type
Permanent
stakeholders to deliver end-to end solutions. Person Specification The successful candidate will have strong, demonstrable experience in: o React.js o Next.js o JavaScript (ES6+) and modern browser APIs o HTML5 & CSS3 (responsive design, accessibility, cross-browser compatibility) o TypeScript o Tailwind CSS or similar modern CSS frameworks o Node.js ...

Senior Software Developer in Test - Senior Consultant

Hiring Organisation
Scale Factory
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
clearance Significant experience in Agile environments (e.g., SCRUM, Kanban). Solid technical development background with strong coding skills in Java, C#, TypeScript, JavaScript, or similar Proven expertise in automation testing, with hands-on experience using tools like Playwright, Selenium, Cypress, or RestAssured Strong knowledge of integration testing and automation frameworks ...

Developer - CDM

Hiring Organisation
RS Group
Location
North Northamptonshire, United Kingdom
Employment Type
Full Time
data modelling and data warehousing skills, with the ability to transform, reconcile and manage customer data across multiple systems. Proficiency in Java, Python or JavaScript for integrations, automation and platform development. Experience with CI/CD, source control, automated testing and deployment pipelines using tools such as GitHub, GitLab, JFrog ...

Senior Software Engineer, Full-Stack Applications (Python)

Hiring Organisation
Fitch Group
Location
Manchester, United Kingdom
Employment Type
Full Time
Development – Proficiency in Python (Pandas, FastAPI, Flask) for building enterprise applications, data processing, and API development • Frontend Development – Experience with ReactJS , Node.js, TypeScript/JavaScript, and modern web development practices • Database Technologies – Hands-on experience with RDBMS databases (e.g., Oracle, PostgreSQL) and NoSQL databases (e.g., MongoDB) • DevOps & Cloud – Experience with ...

CRM Salesforce Developer

Hiring Organisation
RS Group
Location
North Northamptonshire, United Kingdom
Employment Type
Full Time
APIs, event-driven architectures and data integration technologies . Good understanding of SQL, data modelling, data warehousing and ETL/ELT concepts. Proficiency in JavaScript, Apex, Java or Python . Strong understanding of Salesforce security, governance, data privacy and GDPR . Experience with CI/CD, source control, automated testing ...

Senior Full Stack Developer

Hiring Organisation
Falcon Chase International
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
productivity and code quality. Required Skills & Experience 12+ years of experience in full-stack software development. Strong hands-on experience with React.js, TypeScript and JavaScript (ES6+). Backend development experience using Node.js and Express.js. Experience working with MongoDB and Oracle Database. Good knowledge of HTML5, CSS3 and SCSS. Experience with ...

Senior Dynamics 365 Customer Engagement (CE) Developer

Hiring Organisation
Expleo Group
Location
London, United Kingdom
Employment Type
Permanent
solutions Solution Development Design, develop and maintain enterprise-scale Dynamics 365 CE solutions. Develop custom functionality using: C# .NET Plug-ins Custom Workflow Activities JavaScript/TypeScript Web API PCF Controls Extend and customise Model-Driven Apps to support complex business processes. Design and implement robust integrations with internal ...

Graduate IT Engineer. (Software Engineering Pathway) x5

Hiring Organisation
Jam Management Consultancy ltd
Location
Reading, Berkshire, United Kingdom
Employment Type
Permanent
Salary
£35000 - £38000/annum
Communications (UCaaS) Contact Centre Technologies (CCaaS) Enterprise Software Cyber Security & IT Infrastructure You'll also have exposure to technologies including: Python | C# | .NET | Java | JavaScript | TypeScript | React | C++ | SQL We're Looking For 2:1 or First Class degree in Computer Science, Software Engineering, Mathematics, Physics, Engineering or another STEM ...