76 to 100 of 2,086 JavaScript Jobs in the UK

GenAI Managing Consultant

Hiring Organisation
83zero
Location
London Area, United Kingdom
using TypeScript, leveraging frameworks such as Next.js or Vite. GenAI Frameworks: Familiarity with tools like LangChain, LangGraph, CrewAI, or Vercel AI (in Python or JavaScript). LLM experience: Practical experience with Large Language Models (LLMs) such as OpenAI, Anthropic, Mistral, or Llama, and tools like Ollama. Cloud Platforms: Proficiency ...

Lead Software Engineer

Hiring Organisation
CPS Group (UK) Limited
Location
Bristol, United Kingdom
Employment Type
Permanent
Salary
£65000 - £80000/annum
stakeholders across the business Essential Experience: - Strong commercial experience developing software with .NET/C# - Front-end development experience with Angular/TypeScript/JavaScript - Experience building scalable production systems - Strong Azure cloud experience - Experience designing and building RESTful APIs - Strong understanding of software architecture and engineering best practices - Previous ...

Software Engineer

Hiring Organisation
Optamor
Location
Gloucestershire, Hucclecote, United Kingdom
Employment Type
Permanent
Salary
£43000 - £98000/annum BUPA, bonus, 4 day work week
safeguarding digital infrastructures in the UK. What skills will I need? Proficient in current Java, knowledge of other languages such as Python, C++, JavaScript, TypeScript, React is a bonus. Experience of developing on Linux. Appreciation of mocking and unit testing frameworks such as JUnit 5.x (Jupiter). Experienced with ...

Java Team Lead

Hiring Organisation
TXP Technology x People
Location
Birmingham, West Midlands, England, United Kingdom
Employment Type
Full-Time
Salary
£0 per annum
technical discussions with senior engineers and architects Strong people leadership, mentoring, and stakeholder management skills Desirable experience: Front-end exposure (React or other JavaScript frameworks) CI/CD, unit testing (JUnit, Mockito), and TDD practices Cloud platforms such as Azure and/or AWS Pre-sales, bid support, or solution ...

Senior Front End Developer

Hiring Organisation
Mitsubishi Electric – UK
Location
Hatfield, England, United Kingdom
TypeScript, MAUI, Web Components, HTML, and CSS, within cloud-hosted, distributed systems running on AWS. Skills/Responsibilities: Expert-level knowledge of HTML, CSS, JavaScript/TypeScript, and modern browser APIs. Strong experience with SPA frameworks such as Blazor (Server & WebAssembly), Angular, or React. Familiarity with .NET MAUI or similar ...

Software Engineer

Hiring Organisation
Lockheed Martin
Location
Brockworth, Gloucestershire, UK
variety of Defence, Cyber and Intelligence programmes. What skills will I need? Proficient in current Java, knowledge of other languages such as Python, C++, JavaScript, TypeScript, React is a bonus. Experience of developing on Linux. Appreciation of mocking and unit testing frameworks such as JUnit 5.x (Jupiter). Experienced with ...

Software Engineer

Hiring Organisation
Lockheed Martin
Location
Brockworth, England, United Kingdom
variety of Defence, Cyber and Intelligence programmes. What skills will I need? Proficient in current Java, knowledge of other languages such as Python, C++, JavaScript, TypeScript, React is a bonus. Experience of developing on Linux. Appreciation of mocking and unit testing frameworks such as JUnit 5.x (Jupiter). Experienced with ...

Senior Software Engineer

Hiring Organisation
Inspire People
Location
Swansea, Neath Port Talbot, Wales, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£55,000
projects, using a range of modern technologies and tools Experience developing software using one or more programming languages such as Java, Python, Ruby, C#, JavaScript or similar Experience working with modern development practices, including CI/CD tooling and agile methodologies Interest or experience in back-end, front-end, security ...

Chief Technology Officer (CTO)

Hiring Organisation
Jobleads-UK
Location
Havant, England, United Kingdom
Strong understanding of modern development practices (CI/CD, automated testing, DevOps, cloud‐native architectures). Broad knowledge of the following technology stacks (e.g., JavaScript/TypeScript, Python, .NET, Java, Low‐Code) and experience overseeing full‐stack development. Experience with cloud platforms (AWS, Azure etc.). Strong understanding of data ...

Dev Ops Engineer

Hiring Organisation
Capita Shared Services Limited
Location
Sheffield, South Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent, Work From Home
etc.) Advanced customization and configuration: Entities, forms, views, dashboards Business rules, workflows, business process flows Strong development experience: C# plugins and custom workflow activities JavaScript/TypeScript Dataverse Web API/SDK Deep understanding of: Solution management (managed/unmanaged) Solution layering, segmentation, and version control Power Platform Expertise ...

Automation Test Lead

Hiring Organisation
Health Research Authority
Location
Nottingham, NG2 4LA, United Kingdom
Salary
£57528.00 to £64750.00
pyramids, testability, and automation at multiple levels (API, UI, integration). Strong working knowledge of software development using the Microsoft technology stack, including: C#, JavaScript, TypeScript, Node.js (or equivalent). Demonstrated experience in continuous coding, refactoring, and improving automation codebases. Proven ability to conduct automation script and code reviews, ensuring ...

Automation Test Lead

Hiring Organisation
Health Research Authority
Location
Newcastle upon Tyne, NE2 4NQ, United Kingdom
Salary
£57528.00 to £64750.00
pyramids, testability, and automation at multiple levels (API, UI, integration). Strong working knowledge of software development using the Microsoft technology stack, including: C#, JavaScript, TypeScript, Node.js (or equivalent). Demonstrated experience in continuous coding, refactoring, and improving automation codebases. Proven ability to conduct automation script and code reviews, ensuring ...

Senior Frontend Developer

Hiring Organisation
Infinity Quest
Location
Greater Bristol Area, United Kingdom
expertise. Proven experience building accessible, testable, scalable user interfaces. Strong test-first mindset (TDD) and confidence writing automated tests. Hands-on experience with: * React, JavaScript/TypeScript * JestJS and modern frontend testing practices * Accessibility standards (WCAG) and tooling (axe-core) Desirable (bonus) skills: * Backend development with Java/Quarkus * Working ...

Senior Software Engineer

Hiring Organisation
Copello Global
Location
Manchester, England, United Kingdom
highly advantageous. Containerisation, DevOps/IaC and Cloud (AWS or Azure) experience would be valuable along with experience in some of the following: JavaScript Typescript Golang Python Hybrid Working 3 days per on site and 2 days per week from home with an early finish on a Friday. Security Clearance ...

Senior Software Engineer

Hiring Organisation
Copello Global
Location
Cheltenham, England, United Kingdom
highly advantageous. Containerisation, DevOps/IaC and Cloud (AWS or Azure) experience would be valuable along with experience in some of the following: JavaScript Typescript Golang Python Hybrid Working 3 days per on site and 2 days per week from home with an early finish on a Friday. Security Clearance ...

Full Stack Developer - Active SC, NPPV3, Java

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, UK
Employment Type
Full-time
Stack Developer within the Public Sector. Active SC and NPPV3 Clearance. Senior-level expertise in either Java/Spring (Boot, Data JPA, Security) or JavaScript/TypeScript with React; mid-level experience acceptable in the other Proven experience delivering high-quality, cross-functional solutions using microservices and micro-frontend architectures ...

Full Stack Developer - Active SC, NPPV3, Java

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
Stack Developer within the Public Sector. Active SC and NPPV3 Clearance. Senior-level expertise in either Java/Spring (Boot, Data JPA, Security) or JavaScript/TypeScript with React; mid-level experience acceptable in the other Proven experience delivering high-quality, cross-functional solutions using microservices and micro-frontend architectures ...

PHP Developer

Hiring Organisation
Oscar Associates (UK) Limited
Location
Leeds, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent
Salary
£45,000
modern deployment practices Experience with relational databases (e.g. MySQL) Comfortable working in collaborative, agile environments Focused on writing clean, maintainable code Desirable: Frontend exposure (JavaScript, TypeScript, React) Docker or containerised environments Understanding of microservices or serverless architecture Experience with automated testing PHP Developer | Leeds | Hybrid ...

C#.NET Developer

Hiring Organisation
Data Careers
Location
Newport Pagnell, Buckinghamshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£65,000
Experience creating pipelines from scratch , not just maintaining existing ones Strong understanding of DevOps principles and deployment automation Experience with front-end technologies (HTML, JavaScript, CSS) Experience with REST/web services Familiarity with security best practices (e.g. OWASP) and code quality tooling Key Screening Points We are particularly interested ...

Senior Software Engineer - Fullstack

Hiring Organisation
Areti Group | B Corp™
Location
Scotland, United Kingdom
large-scale software product. About You Strong experience in full stack development, with expertise in C#/.NET (Framework and Core) and JavaScript (Vue.js experience is a plus). Comfortable working across the stack and learning new technologies quickly. Skilled in writing clean, testable code and using automated testing frameworks. ...

Senior Developer

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £451/day
design and query optimization Solid understanding of object-oriented programming principles and design Patterns Familiarity with front-end development and integration using HTML and JavaScript Experience with Jenkins and modern CI/CD practices Proficiency in AWS services and infrastructure-as-code using Terraform Strong experience with GitHub for version ...

Junior Java Developer

Hiring Organisation
Lynx Recruitment Ltd
Location
Weston-super-Mare, Avon, England, United Kingdom
Employment Type
Full-Time
Salary
£30,000 - £31,000 per annum
services Experience with frameworks such as React and/or Struts Strong Java development skills Exposure to other programming languages such as Python, JavaScript, C++, or Perl is beneficial Experience with development tools including Git, SVN, and Eclipse Understanding of testing methodologies including unit, integration, and regression testing Strong analytical ...

Full Stack Web Developer

Hiring Organisation
First Achieve Ltd
Location
Dunfermline, Fife, United Kingdom
Employment Type
Permanent
Salary
£40000 - £45000/annum
Collaborate with colleagues across the business to gather requirements and deliver solutions Skills & Experience Required Approximately 3 years' commercial experience in web development Strong JavaScript and/or TypeScript skills Experience with React, Next.js, or similar frameworks Good understanding of HTML, CSS, APIs, and databases Experience using Git or other ...

Site Reliability Engineer - Hybrid - Gloucester

Hiring Organisation
Anson Mccade
Location
Gloucester, Gloucestershire, South West, United Kingdom
Employment Type
Permanent
Salary
£65,000
applications behave across the full stack (code, infrastructure, databases) Experience with at least one of the following: Java or similar programming languages JavaScript/web technologies Familiarity with Linux or Windows environments (e.g. Bash, PowerShell) Exposure to cloud platforms such as AWS, Azure or OpenStack Experience with monitoring/logging ...

Full Stack IoT Developer

Hiring Organisation
Cubiq Recruitment
Location
Wiltshire, Bowerhill, United Kingdom
Employment Type
Permanent
Salary
£55000 - £60000/annum £60,000 DoE
2+ years in a full stack, data, or backend role Experience with cloud platforms (Azure preferred) Strong Python skills plus one other language (e.g. JavaScript, C++, .NET) Good understanding of APIs, data pipelines, and backend systems Experience with Docker, Git, and CI/CD tools Familiar with different database types ...