JavaScript Jobs in London

126 to 150 of 609 JavaScript Jobs in London

Full Stack Developer

Greater London, England, United Kingdom
ClearWatt
languages and feel confident switching quickly between development frameworks and stacks You have front-end web development experience preferably with React or other similar javascript frameworks You have front-end app development experience preferably with React Native or other similar mobile frameworks You have back-end experience preferably in Python more »
Posted:

Information Systems Administrator - SharePoint and Moodle

City of London, London, United Kingdom
Hybrid / WFH Options
In Technology Group Limited
analysis, and preparing software requirement specifications. Web Development: Assisting in the development and maintenance of web applications using various technologies like C#, ASP.NET, SQL, JavaScript, HTML, and CSS. System Optimization: Troubleshooting issues, optimizing applications for scalability and reliability. Integrated Management System Management: Managing and auditing the Integrated Management System, including more »
Employment Type: Permanent, Work From Home
Salary: £70,000
Posted:

Dotnet Developer

Greater London, England, United Kingdom
Hybrid / WFH Options
Opus Recruitment Solutions
years commercial development using C,#.NET Web API, MVC, Knowledge in SOAP and REST API Testing Tools Visual Studio using MVC Web Services, JavaScript, JQuery The ability to work within a structured team environment or on your own. All staff work closely with clients on a day-to-day basis more »
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Full Stack Technical Lead C# React

London
Hybrid / WFH Options
Client Server
technical skills across the full stack including C# for backend development and React for UI development (other technologies in the stack include TypeScript/JavaScript and AWS) You have strong technical and/or team leadership experience, you're able to organise and motivate the team, instil software engineering best more »
Employment Type: Permanent
Salary: £85,000 - £100,000
Posted:

Lead Software Engineer

London Area, United Kingdom
Anson McCade
or proposals, and presenting to clients. To thrive in this role, you'll need: Strong experience in web application development using React, Next.js, and JavaScript or TypeScript. Expertise in UI engineering, CSS, design systems, and accessibility compliance. Proficiency in backend development with Node.js, databases, and ORMs (e.g., Prisma). Experience more »
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Software Engineer Java API AWS

London
Hybrid / WFH Options
Client Server
building new features on the payment platform, gateway API and web portal. There's a modern tech stack encompassing Java, Kotlin, Python, PostgreSQL, AWS, JavaScript and React; you'll have a focus on backend development and will have the autonomy to choose the right tool for the job and introduce more »
Employment Type: Permanent
Salary: £75,000 - £90,000
Posted:

Technical Lead C# - FinTech

London
Hybrid / WFH Options
Client Server
more often if desired). About you: You have a strong technical background with C#, .Net Core, microservices - ideally with full stack experience e.g. JavaScript/TypeScript, React, Angular You have strong software architecture and design skills You're collaborative, pragmatic and can lead, inspire and motivate others You have more »
Employment Type: Permanent
Salary: £90,000 - £100,000
Posted:

Technical Lead C# .Net Core Full Stack

London
Hybrid / WFH Options
Client Server
more often if desired). About you: You have a strong technical background with C#, .Net Core, microservices - ideally with full stack experience e.g. JavaScript/TypeScript, React, Angular You have strong software architecture and design skills You're collaborative, pragmatic and can lead, inspire and motivate others You have more »
Employment Type: Permanent
Salary: £90,000 - £100,000
Posted:

.Net Developer F# C# TypeScript Full Stack

London
Hybrid / WFH Options
Client Server
advanced knowledge of C# .Net, ideally with F# experience and happy to use this going forward You also have front end development skills with JavaScript, TypeScript and React.js You have a thorough understanding of Computer Science fundamentals such as OOP, Data Structures, Design Patterns, Algorithms You're degree educated in more »
Employment Type: Permanent
Salary: £100,000 - £140,000
Posted:

Senior React Frontend Engineer

London Area, United Kingdom
Hybrid / WFH Options
Stealth
Science, Engineering, or related field. Years of experience in front-end development, with a strong focus on React.js and its ecosystem. Deep understanding of JavaScript, HTML5, and CSS3, with experience building complex single-page applications (SPAs). Proficiency in state management libraries such as Redux or MobX. Experience with frontend more »
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Senior DevOps Engineer

Greater London, England, United Kingdom
Hybrid / WFH Options
Zebra People
role will sit in the Platform team that consists of 3 with you being the sole DevOps Engineer and SME. Their stack is completely JavaScript, with Node and Express being used on the backend, and TypeScript, React, and React Native for the front and mobile. You’ll have lots of more »
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Python Software Engineer

London Area, United Kingdom
Hybrid / WFH Options
Orbis Group
Experience 🧠 Mastery of Python and its web development frameworks (Django, Flask). Experience working with relational databases, preferably MySQL. Some experience in frontend development (Javascript, HTML5, CSS3). A strong understanding of software engineering fundamentals: version control (git), OOP, unit and integration testing. Desirable Experience 🧠 Experience developing within a cloud more »
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Senior Front End Developer

London, England, United Kingdom
Version 1
React Query Experienced with Jest for Unit Testing Should be able to demonstrate a strong core front-end skillset of HTML 5, CSS 3, JavaScript and TypeScript Experience working within the Financial industry Experience in Crypto Experience in AG Grid This is a hybrid role with 2 days per week more »
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Software Engineer (Full Stack)

London, England, United Kingdom
Be Amazed Media Ltd
a media company one day as this position holds massive future potential for growth. Your role will involve: Developing our web application written in Javascript and NextJS; Implementing backend machine learning and data services, and integrating them with our web application. Suggesting and leading internal tools for our team to more »
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Senior Backend Engineer (Node/Postgres)

Greater London, England, United Kingdom
ThisThat
Industry Choice of SaaS or Technology” and “Best Influencer Marketing Technology” OUR TECH STACK: Our main technologies are: GitHub (with GitHub actions) TypeScript (Javascript) (backend & frontend) Node.js (backend) NestJS (backend) Angular (+ HTML, SCSS) (Material UI in SaaS platform) React (with Next.JS framework, custom MUI components) TypeORM (backend) PostgreSQL (backend more »
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Platform Engineer - Azure

Greater London, England, United Kingdom
Hybrid / WFH Options
BJSS
CosmosDB, MongoDB, PostgreSQL, MySQL/MariaDB, Memcache, or Redis. Some knowledge of common programming languages used in modern web application development, such as C#, JavaScript, TypeScript, Java, Go, or PHP. Exposure to iterative/agile development methodologies and experience of enabling team delivery through technology. As a bonus, experience of more »
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Technical Architect

London Area, United Kingdom
Hybrid / WFH Options
Janus Henderson Investors
data languages or toolsets: AutoSys, Azure Function App, Azure GIT, Azure Portal, C#, Databricks, GraphQL/Graph API, Informatica CDI, Informatica Power Center, Java, Javascript, Snowflake, PowerBI, PyRecs, Python, Selenium, Spark, and SQL Nice to have skills Ability to propose and estimate the financial impact of architectural alternatives Existing knowledge more »
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Senior Web Developer (Full- Stack)

London, England, United Kingdom
Brandpie
developing visually engaging and experience focused modern, responsive web solutions Be highly capable in full-stack web development. With expert-level knowledge of HTML, JavaScript and (S)CSS. You'll also need experience in developing WordPress solutions, alongside an understanding (and ideally experience) in Tailwind Excellent understanding of creating interactive more »
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Software Engineer - Python/SQL

City of London, London, United Kingdom
Hybrid / WFH Options
GCS Ltd
days on site) We're seeking a skilled Python Developer to join our financial client in London, contributing expertise in SQL, Python, and ideally, Javascript & VBA. This role involves crafting innovative solutions and harnessing diverse AWS services. Key Requirements: High level of experience in both SQL and Python programming (10+ … as Code (IAC) tools like Terraform Knowledge of AWS backup and disaster recovery solutions Preferred Skills: Proficiency in React, Angular, Node.js, HTML, CSS, and JavaScript Exposure to Agile, Kanban, Scrum, DevOps, and CI/CD tools Strong problem-solving abilities and logical reasoning skills Excellent communication skills (written and verbal more »
Employment Type: Permanent
Salary: £110000 - £115000/annum
Posted:

Senior Full Stack Engineer

London Area, United Kingdom
Computer Futures
Platform and public APIs alongside team members. Monitor the cost implications of services, tools, and implementations. Qualifications: Experience leading agile development teams. Proficiency in JavaScript/TypeScript (React/Node.js), Python, and another OOP language. Familiarity with Cloud Architecture, preferably AWS, and NestJS. Minimum of 4 years of relevant experience. more »
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Senior Dotnet Developer

London Area, United Kingdom
Hybrid / WFH Options
Revolution Technology
work in the payments team on both in-house and 3rd party technologies. Tech: • C# • Web API • .NET Core • SSIS/SSRS • Entity Framework • JavaScript/jQuery/JSON • Angular/AngularJS • SQL Server/Stored Procedures • Unit Testing (NUnit) Benefits: • Life Assurance • Income protection • Private healthcare • Wellbeing allowance more »
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Machina Learning Operational Engineer

London Area, United Kingdom
Tomgandhi Consulting Ltd
Title: Machina Learning Operational Engineer Location: London,UK Workplace Type: Hybrid Employment Type: Contract Job Description: Proficient in multiple programming languages including Python, Java, JavaScript, HTML, GoLang, etc. Experience with CI/CD pipelines and Agile frameworks, preferably with MLOps context. Familiar with technologies like Scikit-Learn, TensorFlow, Torch, ChatGPT more »
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Senior Full Stack Developer - Fintech

City Of London, England, United Kingdom
iO Associates - UK/EU
it is important to be strong across the stack. The key technologies you will be working with include: C# .NET T-SQL Angular 12+ JavaScript Azure Apart from a generous base salary, this role will offer 25 days holiday, a great pension scheme and the opportunity to work for one more »
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Full Stack Engineer

London Area, United Kingdom
Global Technology Recruitment
a full stack engineer, proficient in both frontend and backend development. Proficiency in React/Next, NodeJS, and SQL (Postgres). Strong experience with Javascript or Typescript, with a focus on professional use. Previous employment with a software product company, preferably in fast-growing startups with a minimum of $1M more »
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Lead Full Stack Developer

City Of London, England, United Kingdom
iO Associates - UK/EU
it is important to be strong across the stack. The key technologies you will be working with include: C# .NET T-SQL Angular 12+ JavaScript Azure Apart from a generous base salary, this role will offer 25 days holiday, a great pension scheme and the opportunity to work for one more »
Posted:
JavaScript
London
10th Percentile
£47,500
25th Percentile
£60,000
Median
£80,000
75th Percentile
£110,313
90th Percentile
£142,500