76 to 100 of 1,518 JavaScript Jobs in the UK

Senior C# Developer – Hybrid/Remote (UK-Based)

Hiring Organisation
Adria Solutions Ltd
Location
Manchester, United Kingdom
Employment Type
Permanent
Salary
£60000 - £70000/annum
Have) Experience with Azure App Services and Azure Service Bus Understanding of Agile methodologies (Scrum/Kanban) Familiarity with front-end technologies (HTML, CSS, JavaScript) Benefits: 34 days holiday plus extended Christmas shutdown Pension plan and flexible working Supportive, long-term career environment Ongoing training and professional development ...

Solidity/Node.JS Developer - Up to £100K

Hiring Organisation
RP Recruitment Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent
. Experience integrating blockchain with web apps (wallets, APIs, indexing services). Strong understanding of security, scalability, and distributed systems. Technical Competencies TypeScript/JavaScript, REST/GraphQL APIs CI/CD pipelines and DevOps tooling Cloud security, identity, and access management Blockchain tooling (Hardhat, Foundry, Web3.js/Ethers.js ...

Senior C# Developer - Hybrid/Remote UK-Based

Hiring Organisation
Adria Solutions
Location
Remote, UK
Have) Experience with Azure App Services and Azure Service Bus Understanding of Agile methodologies (Scrum/Kanban) Familiarity with front-end technologies (HTML, CSS, JavaScript) Benefits: 34 days holiday plus extended Christmas shutdown Pension plan and flexible working Supportive, long-term career environment Ongoing training and professional development ...

Senior Quality Assurance Engineer

Hiring Organisation
Formula Recruitment
Location
Leeds, England, United Kingdom
Hands-on experience building automation frameworks using Playwright (preferred). Strong scripting ability in C#/.NET. Experience testing modern web applications (HTML, CSS, JavaScript). Experience with API testing tools such as Postman or similar. Understanding of SQL for data validation and test setup. Experience working within Agile environments. ...

Senior React Developer

Hiring Organisation
INTEC SELECT LIMITED
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£120,000 - £140,000 per annum
Experience 5+ years of experience in frontend/UI engineering, with a focus on performance and scale Deep expertise in React, TypeScript, and JavaScript Strong understanding of WebSocket integration, low-latency data streaming, and threading Experience troubleshooting data-heavy UIs and optimising load times Familiarity with tools like Redis, Kafka ...

Java Developer

Hiring Organisation
Anson Mccade
Location
Newcastle Upon Tyne, Tyne and Wear, North East, United Kingdom
Employment Type
Permanent, Work From Home
residency, no gaps longer than 30 days) Nice-to-Have: TDD/BDD experience Exposure to enterprise middleware, secure integrations, or frontend technologies (JavaScript) Experience with microservice architectures or large-scale software delivery What's on Offer: Competitive salary with bonuses Hybrid working : 3 days per week in Newcastle office ...

Junior Full Stack Developer

Hiring Organisation
Oscar Associates (UK) Limited
Location
Nottingham, Nottinghamshire, East Midlands, United Kingdom
Employment Type
Permanent
Salary
£35,000
opportunity to learn best practices and progress your career quickly. Requirements 6 months - 2 years' experience in C# .NET Exposure to Angular Experience with JavaScript/TypeScript, HTML and CSS Basic knowledge of SQL/databases Understanding of REST APIs and web application architecture Passion for learning and developing your ...

Lead GenAI Full Stack Engineer / Managing Consultant

Hiring Organisation
83zero Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£85,000
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 ...

Java Full Stack Developer

Hiring Organisation
Mastek
Location
Reading, England, United Kingdom
collaboration and engineering the best possible Java code. Must Have Skills: Experience with Java 8, Java 11, Spring Framework, Spring Boot Solid understanding of JavaScript: Angular and NodeJS preferred Practical Micro services development experience • Practical Relational Database development experience (e.g. PostgreSQL) REST APIs • Strong understanding CI and DevOps technologies (Hands ...

Senior React Engineer

Hiring Organisation
INTEC SELECT LIMITED
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
related field 5+ years of experience in frontend/UI engineering, with a focus on performance and scale Deep expertise in React, TypeScript, and JavaScript Strong understanding of WebSocket integration, low-latency data streaming, and threading Experience troubleshooting data-heavy UIs and optimising load times Familiarity with tools like Redis ...

Software Engineer

Hiring Organisation
Mane Contract Services
Location
Filton, Gloucestershire, United Kingdom
Employment Type
Permanent
Salary
GBP 70,000 Annual
forward-thinking technical environment. Required experience includes proficiency in modern Java and ideally some experience with other languages such as Python, C++, JavaScript or TypeScript. Experience developing on Linux, understanding mocking and unit-testing frameworks such as JUnit, and using Git version control are important. You should have knowledge ...

Software Engineer

Hiring Organisation
Cocentric
Location
City of London, London, United Kingdom
well across disciplines Bonus: experience with identity systems (e.g. Microsoft Entra ID/Azure AD), SSO, or HRIS integration OUR TECH STACK Frontend: React, JavaScript Backend: C#, .Net, Azure Service Fabric, Kubernetes Infrastructure: Azure, Service Fabric, Cosmos DB WHY COCENTRIC Be a key part of a product that’s transforming ...

Senior Software Engineer

Hiring Organisation
High5
Location
United Kingdom
ability to deliver complex software solutions to production. Technical Breadth & Depth: Strong knowledge of our polyglot environment and core tech stack: Languages: TypeScript/JavaScript, Node.js. Frameworks/API: Vue.js, Nuxt, and GraphQL-based APIs. Infrastructure: AWS, Docker, and MySQL/PostgreSQL. Architectural Fluency: A proven ability to create defect ...

Senior Software Engineer

Hiring Organisation
Adecco
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£650 - £700/day Inside IR35
role. AWS Expertise : Strong proficiency in AWS services, particularly Amazon Lex and other AI/ML offerings. Tech Savvy : Proficiency in TypeScript and modern JavaScript frameworks. DevOps Knowledge : Solid understanding of DevOps methodologies and tools (CI/CD, Serverless, Monitoring). Contact Center Familiarity : Experience with contact center technologies ...

Geospatial Software Engineer

Hiring Organisation
ISR RECRUITMENT LIMITED
Location
Manchester, United Kingdom
Employment Type
Permanent
Salary
£60000 - £90000/annum (plus company benefits & bonuses)
making. Skills and Experience: Essential 3+ years’ experience in a Full Stack Engineering role Strong development skills in .NET, Java or Python, alongside modern JavaScript frameworks/libraries Experience working in Agile environments (Scrum, Kanban, TDD) Solid understanding of architectural and design patterns, including microservices and serverless Hands-on experience ...

Dynamics 365 Developer

Hiring Organisation
Data Careers
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£75,000
Power Platform with Azure services, custom connectors, APIs, and Logic Apps Experience applying ALM principles using Azure DevOps and Power Platform Build Tools Solid JavaScript experience for client-side customisation and web resources Experience working in agile, multidisciplinary delivery teams Strong understanding of security concepts including Dataverse security and role ...

Senior Software Engineer

Hiring Organisation
Adecco
Location
Westminster, Greater London, UK
role. AWS Expertise: Strong proficiency in AWS services, particularly Amazon Lex and other AI/ML offerings. Tech Savvy: Proficiency in TypeScript and modern JavaScript frameworks. DevOps Knowledge: Solid understanding of DevOps methodologies and tools (CI/CD, Serverless, Monitoring). Contact Center Familiarity: Experience with contact center technologies ...

Principal Software Engineer

Hiring Organisation
Eurochange
Location
Stevenage, Hertfordshire, South East, United Kingdom
Employment Type
Permanent
Salary
£70,000
passionate about building systems that last. You'll bring: Expert-level experience with C#, .NET and object-oriented design Strong front-end knowledge using JavaScript/TypeScript and React Deep experience designing and governing enterprise APIs (REST & SOAP), ideally on Azure Proven leadership in DevOps, CI/CD pipelines ...

Lead Full Stack Developer

Hiring Organisation
Hays Specialist Recruitment Limited
Location
Swindon, UK
Employment Type
Full-time
experience includes: Java 11+ enterprise development using Spring, REST and/or GraphQL APIs and microservices Modern front-end frameworks such as React (JavaScript/TypeScript); experience with AngularJS or jQuery is advantageous Build and deployment tools including Maven, Git and CI/CD pipelines A strong testing mindset, including ...

Senior Software Engineer

Hiring Organisation
Cyber Guardian Consulting Group, LLC
Location
London Area, United Kingdom
zones Nice to Haves Hands-on experience integrating with third-party SaaS systems (ERP, HRIS, CRM, finance platforms, etc.) Working knowledge of frontend programming (JavaScript, HTML, CSS) Comfortable working with Excel Experience with authentication methods such as OAuth 2.0, API keys, JWT IT background with experience supporting, integrating, or administering ...

Senior Software Engineer

Hiring Organisation
Cyber Guardian Consulting Group, LLC
Location
Newcastle Upon Tyne, England, United Kingdom
zones Nice to Haves Hands-on experience integrating with third-party SaaS systems (ERP, HRIS, CRM, finance platforms, etc.) Working knowledge of frontend programming (JavaScript, HTML, CSS) Comfortable working with Excel Experience with authentication methods such as OAuth 2.0, API keys, JWT IT background with experience supporting, integrating, or administering ...

Integration Developer

Hiring Organisation
Shaw Daniels Solutions
Location
United Kingdom
interpreting designs and patterns provided by other team members and approved 3rd parties into workable, scalable, reliable solutions. Proficient in creating code, processes, JavaScript, T-SQL, formulas, C#, PowerShell and other scripts as required. Proficient in manipulating and working with a range of data formats including JSON, XML, delimited text ...

Lead AI Engineer

Hiring Organisation
Akixi
Location
Manchester, 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 (e.g. TensorFlow, PyTorch, and/or LangChain) and LLM APIs (e.g. Azure OpenAI, OpenAI API, Anthropic, and/ ...

Lead AI Engineer

Hiring Organisation
Akixi
Location
United Kingdom
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 (e.g. TensorFlow, PyTorch, and/or LangChain) and LLM APIs (e.g. Azure OpenAI, OpenAI API, Anthropic, and/ ...

Lead AI Engineer

Hiring Organisation
Akixi
Location
Basingstoke, Hampshire, 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 (e.g. TensorFlow, PyTorch, and/or LangChain) and LLM APIs (e.g. Azure OpenAI, OpenAI API, Anthropic, and/ ...