JavaScript Jobs in London

176 to 200 of 809 JavaScript Jobs in London

.NET Developer - London

Greater London, England, United Kingdom
Hybrid / WFH Options
Noir
should have a strong grasp of object orientated (OO) development principles.Our client can provide you with industry recognized training in: .NET 9, Web API 2, Entity Framework, Microservices, Azure, JavaScript, Angular 19, Bootstrap, Agile and MongoDB. Our client has a flat organization, which means that they believe great ideas can come from anywhere and anyone. From the beginning they’ve More ❯
Posted:

.NET Developer

City of London, London, England, United Kingdom
Hybrid / WFH Options
Noir
experienced in: .NET, .NET Core/ASP.NET MVC, C# and Azure SQL. You will be trained in all aspects of: .NET 9, Web API 2, Entity Framework, Microservices, Azure, JavaScript, Angular 19, Bootstrap, Agile and MongoDB. Top performers can expect to receive their first promotion (and pay rise) within 6 months. Our client offers a unique working environment including a More ❯
Employment Type: Full-Time
Salary: £70,000 - £90,000 per annum
Posted:

Frontend Developer

London Area, United Kingdom
Oakwell Hampton Group
date with the latest front-end frameworks and practices What experience you will have Strong experience building production-ready apps with React.js and ideally React Native Deep understanding of JavaScript , HTML5 , and CSS3 Experience using Git/GitHub in a team environment Good grasp of cross-browser compatibility, performance optimisation, and responsive design Comfortable pairing with designers and developers in More ❯
Posted:

Frontend Developer

City of London, London, United Kingdom
Oakwell Hampton Group
date with the latest front-end frameworks and practices What experience you will have Strong experience building production-ready apps with React.js and ideally React Native Deep understanding of JavaScript , HTML5 , and CSS3 Experience using Git/GitHub in a team environment Good grasp of cross-browser compatibility, performance optimisation, and responsive design Comfortable pairing with designers and developers in More ❯
Posted:

Senior DevOps Engineer

London, United Kingdom
Salt Digital Recruitment
Essential: Strong hands-on experience with GitLab , Kubernetes , Docker/Containers , Ansible , Packer , Terraform , Linux variants and command line. Programming Skills: Proven ability in at least one language (e.g., JavaScript, Python, Java). Desirable: Experience with Grafana , Prometheus , Loki stack , Kubernetes certifications , web technologies , or AWS certifications. Benefits: Competitive salary, generous pension, private medical, flexible working, and professional development opportunities More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Full Stack Developer

London, United Kingdom
Hybrid / WFH Options
Investigo
back-end components. Collaborate with cross-functional teams to design and implement new features and improvements. Manage and optimise AWS infrastructure using CDK (preferred) or Terraform. Work with modern JavaScript frameworks, specifically Vue.js (React or Nodes.js) Support DevOps functions including continuous integration/continuous deployment (CI/CD) pipelines. Take ownership of projects, from concept to implementation, ensuring high-quality More ❯
Employment Type: Permanent
Salary: £70000 - £80000/annum
Posted:

D365 CE & Power Platform Lead Developer / Technical Lead -£80k

London, United Kingdom
Hybrid / WFH Options
Pearson Carter
Developer or Technical Lead on D365 CE and Power Platform projects. Hands-on with Power Apps (Model-Driven & Canvas), Power Automate, and Power Pages. Strong background in C# .NET, JavaScript, and custom connectors. Proven experience with Azure services, Logic Apps, and YAML pipelines. Knowledge of Power BI, Service Bus, and ALM strategies for the Power Platform (preferred). PL More ❯
Employment Type: Permanent
Salary: GBP 80,000 Annual
Posted:

Front End Developer

East London, London, England, United Kingdom
Hybrid / WFH Options
Richard Wheeler Associates
passionate about improving patient care. Requirements: Successful academic background and/or strong frontend portfolio At least 5 years' experience in frontend development, including complex web apps Proficiency in JavaScript (ES6+) , CSS and modern front-end frameworks such as Vue, React or Angular Experience with TailwindCSS, Vuetify or any other frontend design libraries Experience using component development tools such as More ❯
Employment Type: Full-Time
Salary: £70,000 - £85,000 per annum
Posted:

Amazon Lex/ Chatbot engineer

London, South East, England, United Kingdom
Computer Futures
Proven experience as a Senior Software Engineer or similar role. Strong expertise in AWS services, particularly Amazon Lex and other AI/ML services. Proficiency in TypeScript and modern JavaScript frameworks. Solid understanding of DevOps methodologies and tools (e.g., CI/CD, Serverless, Monitoring). Experience with contact centre technologies and integrations. Excellent problem-solving skills and the ability to More ❯
Employment Type: Contractor
Rate: £650 - £700 per day
Posted:

Amazon Lex/ Chatbot engineer

London, United Kingdom
Computer Futures
Proven experience as a Senior Software Engineer or similar role. Strong expertise in AWS services, particularly Amazon Lex and other AI/ML services. Proficiency in TypeScript and modern JavaScript frameworks. Solid understanding of DevOps methodologies and tools (e.g., CI/CD, Serverless, Monitoring). Experience with contact centre technologies and integrations. Excellent problem-solving skills and the ability to More ❯
Employment Type: Contract
Rate: £650 - £700/day
Posted:

Full Stack Developer

London, United Kingdom
Hybrid / WFH Options
Investigo Limited
back-end components. Collaborate with cross-functional teams to design and implement new features and improvements. Manage and optimise AWS infrastructure using CDK (preferred) or Terraform. Work with modern JavaScript frameworks, specifically Vue.js (React or Nodes.js) Support DevOps functions including continuous integration/continuous deployment (CI/CD) pipelines. Take ownership of projects, from concept to implementation, ensuring high-quality More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Back End Developer - DV Cleared - Hybrid

London, United Kingdom
Hybrid / WFH Options
Experis
experience in software development and a strong interest in writing quality code Solid understanding of back-end development using one or more of the following: Java, Python, TypeScript or JavaScript Familiarity with good engineering patterns and practices, and the ability to articulate them clearly Experience working in agile environments (Scrum, Kanban or similar) Enthusiastic about learning, collaborating with diverse teams More ❯
Employment Type: Permanent
Salary: £70000 - £120000/annum Excellent Benefits
Posted:

Back End Developer - DV Cleared - Hybrid - Various Locations

London, United Kingdom
Hybrid / WFH Options
Experis
experience in software development and a strong interest in writing quality code Solid understanding of back-end development using one or more of the following: Java, Python, TypeScript or JavaScript Familiarity with good engineering patterns and practices, and the ability to articulate them clearly Experience working in agile environments (Scrum, Kanban or similar) Enthusiastic about learning, collaborating with diverse teams More ❯
Employment Type: Permanent
Salary: £70000 - £120000/annum Excellent Benefits
Posted:

Product Engineer - Frontend - UK

London, United Kingdom
startups
Must Haves 5+ years shipping production web apps with React (or a comparable framework) and TypeScript. Demonstrated ownership of complex features from spec production monitoring. Deep understanding of modern JavaScript/TypeScript, browser performance, accessibility fundamentals, and secure session management. Comfortable designing/consuming API contracts and collaborating closely with Python or Go backend engineers. Proven ability to make pragmatic More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Full Stack Engineer

London, South East, England, United Kingdom
Harnham - Data & Analytics Recruitment
skills; fluency in English* Passion or interest in sports (sports trading background not required)* Strong tenure and track record of mastery in a domain Nice to Have Experience with JavaScript frameworks (e.g., React)* Network programming (TCP/UDP)* Multi-threaded application development* Familiarity with version control tools (PlasticSCM, Git, etc.)* Exposure to Windows-based technologies Tech Stack/Tools C# More ❯
Employment Type: Full-Time
Salary: £90,000 - £130,000 per annum, Inc benefits
Posted:

Senior Software Engineer

London, South East, England, United Kingdom
Hybrid / WFH Options
Harnham - Data & Analytics Recruitment
in low-management settings Product-focused engineer who thrives in flat, startup-style team structures Good grasp of engineering best practices, code quality, and system design Tech Stack Python JavaScript/TypeScript SQL AWS (Cloud Infrastructure) Interview Process Technical Discussion (30-60 mins) Collaborative Co-working Session (60-90 mins) - Solve a real-world problem together via screen share Both More ❯
Employment Type: Full-Time
Salary: £80,000 - £90,000 per annum, Inc benefits
Posted:

Senior Developer - Laravel

London, United Kingdom
air-recruitment
experience delivering robust web applications within cross-functional teams. - Deep understanding of Laravel and its ecosystem. - Working knowledge of modern front-end development practices. - Some hands-on experience with JavaScript frameworks (React or similar). - Familiarity with cloud platforms (preferably AWS) and CI/CD pipelines. - Comfortable with Git, automated deployment, and structured release processes. - Solid understanding of OOP, SOLID More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer

London, United Kingdom
Hybrid / WFH Options
Sensestreet
fundamentals, with deep knowledge of algorithms, data structures, and system design Nice to Have Built tools or interfaces for internal teams (e.g. dashboards, annotation tools, developer APIs) Experience with JavaScript/TypeScript, with experience developing user-facing features using React The Work Environment Flexible working, central London location Highly skilled team, flat hierarchy, and opportunities for mentorship Ability to heavily More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

BestX Quant Developer

London, United Kingdom
STATE STREET CORPORATION
with AWS or other modern cloud infrastructure. Good-to-have Skills Knowledge or expertise in FX, Fixed Income, Equity, or Equity Derivatives products. Experience with KDB. Understanding of modern JavaScript build tools such as node, npm, rush, yarn, webpack, babel, or Cyprus. Why this role is important to us Our Global Technology Services (GTS) team is vital to State Street More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Solutions Engineer - Spanish Speaking

London, United Kingdom
Hybrid / WFH Options
Sui
Collaborate with developer educators to support workshops, live coding sessions, and educational content Provide technical guidance to developers integrating Sui into their own applications Required Qualifications: Solid experience with JavaScript/TypeScript and React for frontend development Strong understanding of Next.js and Node.js for backend logic, APIs, and server-side rendering Experience with SQL databases and Redis in a real More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Chat Engineer

London, United Kingdom
Hybrid / WFH Options
Pontoon
Engineer or in a similar role. AWS Expertise: Strong proficiency in AWS services, especially Amazon Lex and other AI/ML services. Programming Skills: Proficient in TypeScript and modern JavaScript frameworks. DevOps Knowledge: Solid understanding of DevOps methodologies and tools (CI/CD, Serverless, Monitoring). Contact Centre Tech: Experience with contact centre technologies and integrations. Problem Solver: Exceptional problem More ❯
Employment Type: Contract
Rate: £800/day
Posted:

Principal Software Engineer

London, United Kingdom
LexisNexis Risk Solutions
new Enterprise API Platforms, aiming to provide a seamless developer experience, smooth onboarding, easy-to-use dev portals, and rapid support resolution. Requirements: Expertise in development languages including Java, JavaScript, Groovy, JSP, HTML, XML, SQL, Bash. Experience with build tools like Maven and Gradle. Knowledge of relational DBMS such as Postgres. Experience using AWS services via Terraform (Secrets Manager, Kinesis More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Chat Engineer

London, South East, England, United Kingdom
Hybrid / WFH Options
Pontoon
Engineer or in a similar role. AWS Expertise: Strong proficiency in AWS services, especially Amazon Lex and other AI/ML services. Programming Skills: Proficient in TypeScript and modern JavaScript frameworks. DevOps Knowledge: Solid understanding of DevOps methodologies and tools (CI/CD, Serverless, Monitoring). Contact Centre Tech: Experience with contact centre technologies and integrations. Problem Solver: Exceptional problem More ❯
Employment Type: Contractor
Rate: £800 per day
Posted:

Software Engineer, Microfrontends Remote - Germany, Netherlands, United Kingdom

London, United Kingdom
Hybrid / WFH Options
vercel.com
of industry trends in microfrontends. About you: You have at least 5+ years working with web applications including React, React Server Components, and Next.js. You have strong proficiency in JavaScript/TypeScript and experience with modern frontend development tools. You enjoy working as a full stack engineer on multiple parts of the stack. You have worked with microfrontends before, such More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Pipeline Engineer (Brahma)

London, United Kingdom
DNEG Group
as a Senior Pipeline Engineer, Software Engineer, or similar role in a VFX, animation, or relevant development environment. Expert proficiency in Python; strong experience with other languages (e.g., C++, JavaScript) is a plus. Deep understanding of software development best practices: version control (Git), testing, CI/CD, containerization (Docker/Podman), and scalable system design. Hands-on experience with DCC More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:
JavaScript
London
10th Percentile
£47,500
25th Percentile
£60,000
Median
£85,000
75th Percentile
£115,000
90th Percentile
£137,500