JavaScript Jobs in London

51 to 75 of 900 JavaScript Jobs in London

Full Stack Engineer (Team Lead)

London Area, United Kingdom
Hybrid / WFH Options
Evermore
GraphQL APIs for seamless data integration. Performance Optimisation. System Architecture & Scalability. Code Review & Quality Assurance. Security Best Practices. Skills and Experience: Essential: Proficiency in JavaScript/TypeScript, React, Node.js, PostgreSQL, and MongoDB. Experience with Directus or other headless CMS solutions. Strong understanding of RESTful & GraphQL APIs. Proven experience in leading More ❯
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Full Stack Engineer (Team Lead)

london, south east england, united kingdom
Hybrid / WFH Options
Evermore
GraphQL APIs for seamless data integration. Performance Optimisation. System Architecture & Scalability. Code Review & Quality Assurance. Security Best Practices. Skills and Experience: Essential: Proficiency in JavaScript/TypeScript, React, Node.js, PostgreSQL, and MongoDB. Experience with Directus or other headless CMS solutions. Strong understanding of RESTful & GraphQL APIs. Proven experience in leading More ❯
Posted:

Software Engineer with C# Java and Azure

London
Nexus Jobs Limited
Online, Power Apps, GitHub, MS Teams, etc. In-depth knowledge & experience using Visual Studio, with one of the programming languages: C#/Java/JavaScript/Python, and PowerShell. In-depth knowledge and thorough experience of using Serverless, SOAP, XML, REST, JSON, EDI, XSLT, Async/Sync, Request/Response More ❯
Employment Type: Permanent
Salary: £60,000 - £95,000
Posted:

Lead Full Stack Web Developer

London, United Kingdom
Hybrid / WFH Options
Computer Futures / SThree Group
side architecture. Documentation: Write comprehensive technical documentation. Requirements: Essential: Proven experience as a Full Stack Developer. Proficiency in Rest API & GraphQL. Strong skills in JavaScript, Java, CSS, and HTML. Experience with Google Cloud Platform (GCP) and Kubernetes Engine (on GCP). Expertise in server-side rendering. Hands-on experience with More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Snr Full Stack Developer

London, United Kingdom
Nutrient
growing engineering team working on our workflow automation platform. Mentor other developers and lead by example. What You'll Bring Deep understanding of Node.js, JavaScript, .Net Core. Good Knowledge of React, Vue, Vuetify and AngularJS. Experience with Microsoft SQLServer, MongoDB, and Redis. Experience working in a CI/CD environment. More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Software Engineer

London, United Kingdom
BBC Group and Public Services
you the right candidate Essential • Excellent PHP skills • Excellent experience designing and optimising relational database systems • Familiarity with frontend technologies such as HTML, CSS & JavaScript • Experience leading large/complex projects • Excellent communication skills with an ability to collaborate with colleagues and stakeholders • Strong troubleshooting and problem-solving skills • Familiarity More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer, Fixed income - FTA, UK

London, United Kingdom
T. Rowe Price
of tradable financial instruments (securities, derivatives) and capital markets Computer Science, Math, or Financial Engineering degree Strong knowledge in other programming language(s) - e.g., JavaScript, Typescript, Kotlin Strong knowledge of data orchestration technologies - e.g., Apache Airflow, Dagster, AWS Step Functions Understanding of ETL/ELT workflows, data modeling, and performance More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

UI developer Azure/React

London, England, United Kingdom
Henderson Scott
. Review code, ensure performance optimisation, and maintain testing coverage. Present ideas clearly and lead technical discussions when needed. Essential skills: Proficiency in HTML, JavaScript, TypeScript. React, Next.js, Redux, Context API, Node.js. MSAL and Git. Build tools: Webpack, Rollup. CSS/SCSS, SCSS Modules. Testing: Jest, React Testing Library, Enzyme. More ❯
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UI developer Azure/React

london, south east england, united kingdom
Henderson Scott
. Review code, ensure performance optimisation, and maintain testing coverage. Present ideas clearly and lead technical discussions when needed. Essential skills: Proficiency in HTML, JavaScript, TypeScript. React, Next.js, Redux, Context API, Node.js. MSAL and Git. Build tools: Webpack, Rollup. CSS/SCSS, SCSS Modules. Testing: Jest, React Testing Library, Enzyme. More ❯
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Full Stack .NET Software Engineer (Microservices)

London Area, United Kingdom
Hybrid / WFH Options
The Developer Link
week onsite in Waterloo 3+ years of commercial Software Engineer experience Mid & Senior roles available Perm - £50-85k DOE Skillset required: .NET Core JavaScript & Typescript Vue/Angular/React SQL Microservices Distributed systems (ideally K8s) AWS/Azure Services Other things you'll be working with: Azure DevOps More ❯
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Full Stack .NET Software Engineer (Microservices)

london, south east england, united kingdom
Hybrid / WFH Options
The Developer Link
week onsite in Waterloo 3+ years of commercial Software Engineer experience Mid & Senior roles available Perm - £50-85k DOE Skillset required: .NET Core JavaScript & Typescript Vue/Angular/React SQL Microservices Distributed systems (ideally K8s) AWS/Azure Services Other things you'll be working with: Azure DevOps More ❯
Posted:

Full Stack UI/UX Developer

London Area, United Kingdom
FMX
Full Stack UI/UX Developer Core Technical Requirements 1. Strong proficiency in JavaScript and TypeScript Minimum 3+ years of experience writing production-level code Ability to understand, learn and enhance existing codebase is a must 2. Advanced experience with React and Redux Solid experience building responsive, high-performance UIs More ❯
Posted:

Full Stack UI/UX Developer

london, south east england, united kingdom
FMX
Full Stack UI/UX Developer Core Technical Requirements 1. Strong proficiency in JavaScript and TypeScript Minimum 3+ years of experience writing production-level code Ability to understand, learn and enhance existing codebase is a must 2. Advanced experience with React and Redux Solid experience building responsive, high-performance UIs More ❯
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Microsoft Developer

London Area, United Kingdom
Computappoint
development processes and provide knowledge transfer to internal teams Collaborate with stakeholders to define integration requirements and priorities Required Skills & Experience Strong proficiency in JavaScript/TypeScript, C# or Python Demonstrated experience with Microsoft Teams SDK and Bot Framework SDK Practical knowledge of Microsoft Graph API and Azure Active Directory More ❯
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Senior Software Engineer

london, south east england, united kingdom
Harrington Starr
Senior Full Stack Engineer London, UK - Fully Onsite Key Technologies: Java, JavaScript, React, Docker, Kubernetes Perm Role | £80,000 - £110,000 Harrington Starr has partnered with a leading financial institution on a mission to transform investment banking through cutting-edge technology. Their Investment Banking Middle Office Technology team plays a More ❯
Posted:

MS Teams and SDK Tools Developer - £450-£550/day - Outside IR35

City, London, United Kingdom
Computappoint
development processes and provide knowledge transfer to internal teams Collaborate with stakeholders to define integration requirements and priorities Required Skills & Experience Strong proficiency in JavaScript/TypeScript, C# or Python Demonstrated experience with Microsoft Teams SDK and Bot Framework SDK Practical knowledge of Microsoft Graph API and Azure Active Directory More ❯
Employment Type: Contract
Rate: GBP 450 - 550 Daily
Posted:

Microsoft Developer

london, south east england, united kingdom
Computappoint
development processes and provide knowledge transfer to internal teams Collaborate with stakeholders to define integration requirements and priorities Required Skills & Experience Strong proficiency in JavaScript/TypeScript, C# or Python Demonstrated experience with Microsoft Teams SDK and Bot Framework SDK Practical knowledge of Microsoft Graph API and Azure Active Directory More ❯
Posted:

Front Office Developer

London Area, United Kingdom
Hybrid / WFH Options
System Recruitment Specialists
database development experience Good understanding of object-oriented design principles and design patterns Unit and Integration testing Agile development methodology Knowledge of HTML, CSS, JavaScript, Angular2, Type Script, jQuery Persistent/Real-time messaging system experience Experience in working alongside a global team to deliver systems that adhere to firm More ❯
Posted:

Front Office Developer

london, south east england, united kingdom
Hybrid / WFH Options
System Recruitment Specialists
database development experience Good understanding of object-oriented design principles and design patterns Unit and Integration testing Agile development methodology Knowledge of HTML, CSS, JavaScript, Angular2, Type Script, jQuery Persistent/Real-time messaging system experience Experience in working alongside a global team to deliver systems that adhere to firm More ❯
Posted:

Software Engineer

London Area, United Kingdom
Hybrid / WFH Options
Anson McCade
communication skills. Desirable Technologies & Tools Exposure to or interest in any of the following technologies is a plus: Languages & Frameworks: Java, Spring Boot, TypeScript, JavaScript, React Databases: PostgreSQL, SQL Server, MongoDB Messaging & Integration: Kafka, ActiveMQ, REST, API Gateways, WSO2 Cloud & DevOps: AWS, Docker, Ansible, Jenkins Search & Analytics: Elasticsearch Culture & Team More ❯
Posted:

Software Engineer

london, south east england, united kingdom
Hybrid / WFH Options
Anson McCade
communication skills. Desirable Technologies & Tools Exposure to or interest in any of the following technologies is a plus: Languages & Frameworks: Java, Spring Boot, TypeScript, JavaScript, React Databases: PostgreSQL, SQL Server, MongoDB Messaging & Integration: Kafka, ActiveMQ, REST, API Gateways, WSO2 Cloud & DevOps: AWS, Docker, Ansible, Jenkins Search & Analytics: Elasticsearch Culture & Team More ❯
Posted:

Front End Developer TypeScript React AI

Central London, London, United Kingdom
Hybrid / WFH Options
Client Server
alongside a talented team contributing ideas, collaborating with designers and prototyping new features. There's a modern tech stack, you'll be mainly using JavaScript/TypeScript and React but will be able to pick new technologies and skills up on the job. Location/WFH: You'll be joining More ❯
Employment Type: Permanent, Work From Home
Salary: £65,000
Posted:

Senior Software Engineer (VP)

London, United Kingdom
Hybrid / WFH Options
Citigroup Inc
S3, DynamoDB, MongoDB or any other NoSQL database Experience of following TDD and passionate about clean code principles Proficiency in programming in Java, Python, JavaScript or React Solid understanding and experience of using data structures, algorithms and SQL Able to independently work in fast paced and rapidly changing environment Bachelor More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Junior Full-Stack Developer (.NET / React)

London, United Kingdom
Compass Education
What you'll bring: Real-world experience (1+ years) in object-oriented programming languages (C#, MS.Net). Real-world experience (1+ years) in frontend javascript libraries and frameworks (React.js, Node.js and Typescript). A keen attitude to develop a high-quality product with other talented developers. A passion for software More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Engineer

London Area, United Kingdom
Nando's UK & IRE
the full stack, from development to deployment and monitoring. Contribute to disaster recovery planning and execution . Skills Required Strong experience with TypeScript/JavaScript and the Node.js ecosystem Knowledge of schema-based and schema-less databases. Including strong SQL. Experience designing and troubleshooting large-scale distributed systems Experience in More ❯
Posted:
JavaScript
London
10th Percentile
£46,992
25th Percentile
£60,000
Median
£82,500
75th Percentile
£110,000
90th Percentile
£132,500