ECMAScript Jobs in London

101 to 125 of 584 ECMAScript Jobs in London

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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Lead Web UI Developer, London

London, United Kingdom
ION Group
and performance testing to identify bottlenecks and improvement opportunities. REQUIREMENT10+ years of commercial-grade web/front-end development experience. Strong experience in modern JavaScript, ideally TypeScript, building web applications with modern frameworks such as React, Angular and/or Vue. Solid skills interacting with multiple types of API formats more »
Salary: £ 70 K
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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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Full Stack Javascript Software Engineer

London, United Kingdom
Quant Capital
Full Stack Javascript Software EngineerTech: Javascript, TypeScript, MongoDB, Angular, HTML5, CSS, BootstrapChallenge: Greenfield Trading platform, API development, industry specific challengesFirm: Well-known Fintech Trading Platform Vendor, City of London, 30 man flat global Dev TeamPay: 80k, Bonus- 750 training budget, Pension, Life/Health, Some Flex WorkingFull Stack Javascript Software … Engineer Quant Capital is urgently looking for a Full Stack JavaScript Software Engineer for our high profile investment management vendor.Our client is a well known global wealth management HFT software business. They provide valuations and pricing of derivatives to most of the buy side.I am seeking a full stack developer … Designers to ensure understanding of business requirementsDemonstrate self-directed and proactive approach to tackling problems and leveraging resourcesTypeScript Developers Must Have:Experience coding in JavaScript, HTML5, CSS3, Angular, React, Bootstrap or Node.jsTypeScriptExperience with SQL Server and MongoDBExperience with REST APIs in a microservices architectureComprehensive knowledge of best practices and design more »
Salary: £ 80 K
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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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ML Ops Engineer

London Area, United Kingdom
eTeam
AI Minimum years of experience: 5-8 Detailed Job Description: -Polygot Developer, able to code (or learn quickly) multiple languages, such as python, java, javascript, html, golang, etc. -Able to quickly pickup multiple technologies and use them in the correct manner -Must know CI/CD pipelines and Agile frameworks more »
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Senior Software Engineer

London, United Kingdom
Hybrid / WFH Options
Noa Recruitment
eh office 2/3 days per weekTo be a successful, the ideal Senior Software Engineer candidate will have:· Strong background in Full Stack JavaScript engineering (Node/Typescript/React)· Good knowledge of working with data and data platforms (postgres)· Experience of AWS is a plus· Experience of working more »
Salary: £ 80 K
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Senior Java Analyst Developer

London Area, United Kingdom
Hybrid / WFH Options
Quant Capital
Developer around digital applications, software engineering, microservices and cloud. This could include Core Java, Spring Boot, Hibernate/JPA and UI using React, Ember, JavaScript or HTML. Cloud experience with containerization (Docker, Kubernetes), Database (Relational and NoSQL), Messaging (RabbitMQ), Repository (BitBucket), or Helm Charts would be highly regarded (not all more »
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QA/Test Analyst

London Area, United Kingdom
Argentex Group PLC
and SWIFT. Experience using Postman. ISTQB Certified (Level 1). Understanding of testing design patterns such as the page object model. Languages: Typescript/Javascript SQL more »
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Web Developer

Greater London, England, United Kingdom
Hybrid / WFH Options
The Profs
and SEO specialists, full stack software developers, content creators and our heads of growth and marketing. Essential Requirements: 2+ years of experience. HTML, CSS, Javascript, WordPress, PHP EAPIs (using cURL or cURL in PHP) Git (for version control e.g. BitBucket) Designing and developing new websites. On-site SEO. MySQL queries more »
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Software Engineer - React & React Native

Greater London, England, United Kingdom
Hybrid / WFH Options
Builder.ai
team culture that fosters personal and professional growth, setting the stage for an inspiring journey ahead. Requirements Solid experience in front-end multi-platform JavaScript-based technologies ReactJS React-Native Large-scale platform environment CS degree required or equivalent work experience Outstanding communication skills, both written and oral Expert understanding more »
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Senior Software Engineer, Stablecoin

London, England, United Kingdom
Ripple Labs
APIs experience. Interest in the cryptocurrency, decentralized finance(Defi) space. Understanding of exchange, crypto payment, decentralized finance, NFTs, etc. Experience with React or other javascript frameworks Experience with Solidity or Rust WHO WE ARE: Do Your Best Work The opportunity to build in a fast-paced start-up environment with more »
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Software Engineer

London Area, United Kingdom
Hybrid / WFH Options
Explore Group
Science or a related field Development experience with Python - (at least 2) Experience with cloud computing, ideally Azure Experience with ideally Snowflake or Linux, Javascript, C# or Powershell Ideally prior experience in the financial industry Excellent stakeholder management skills Benefits: Up to £70,000 with bonuses Exceptional pensions package Flexible more »
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Dynamics 365 & Power Platform Developer

London, United Kingdom
Hybrid / WFH Options
Trust In Soda
Dynamics 365 world. They would like to speak to people with: - Hands on experience on Power Platform and Dynamics 365 - Programming experience with C#, JavaScript, TypeScript or .NET - Experience with Azure services - CI/CD experience If you'd be interested to find out more, then please don't hesitate more »
Salary: £ 80 K
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Java Developer Contract

London Area, United Kingdom
Smartedge Solutions
UK Key area: Experience with building systems using FIX Protocol. Senior-level experience with Java. Senior level experience with a scripting language such as Javascript or Python. Experience with version control systems e.g. GitLab, GitHub Developing software using Agile methodologies. Level 3 Support for Production systems. Broking/Trading/ more »
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Technical Project Specialist

London Area, United Kingdom
HCLTech
migration of legacy application. have worked on the below technologies: Framework and .NET Core – SQL stack of mobile technologies/Web API Cordova, HTML, JavaScript, Electron JS, React JS etc good understanding of cloud platform like Azure. have worked in onshore/offshore model. more »
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Senior Software Engineer (React, Node.js, AWS)

London Area, United Kingdom
Hybrid / WFH Options
Oliver Bernard
significantly in the last few years and are looking for someone who can join in the process of growing their brand. Essential skills: · Fullstack JavaScript and Node.js development experience. · Hands on experience of developing REST web services and API's. · Knowledge and experience of deploying to cloud services, preferably AWS. more »
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Senior Full-Stack Software Engineer | SaaS | Series A

Greater London, England, United Kingdom
Evoke Talent
from some amazing Tech Leads and Staff Engineers. About you: 5+ years of experience in software engineering, building full-stack applications Experience across the JavaScript stack would be ideal, but open to Full Stack Engineers as long as you've worked with TS/React on the FE Driven by more »
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Software Engineer

London Area, United Kingdom
Hybrid / WFH Options
Xpertise Recruitment
creating a successful software product, inc. architecture, functionality design, coding, testing, CI/CD and production support Experience required : Full-stack development experience with JavaScript, React and Node.js Keen to work in a technology startup, ideally with previous experience in a startup Nice to have : Next.js experience AWS, ideally Lambda more »
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Senior NodeJs Developer

City Of London, England, United Kingdom
Hybrid / WFH Options
iO Associates - UK/EU
st banks. They operate a remote first culture, but always make time to all get together every couple of months. Skills needed: Experience using JavaScript/Typescript Node.js Experience working in an Agile environment AWS If this role is of any interest, please apply now with an updated CV. E more »
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Senior Frontend Engineer (React/Angular)

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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Lead Software Development Engineer in Test (SDET)

London, United Kingdom
Capco
Testing FrameworkTest automation experience of ReST and SOAP based APIs and Web Services using single and multi-threadingGood understanding of web technologies e.g. HTML, JavaScript, CSS, ReST and JSONExperience of test and issue management tools e.g. Jira, RTC, TestRail and Quality CentreCI/CD - tools such as Confluence, Jira, Jenkins more »
Salary: £ 70 K
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Staff Software Engineer, Stablecoin

London, England, United Kingdom
Ripple Labs
APIs experience. Interest in the cryptocurrency, decentralized finance(Defi) space. Understanding of exchange, crypto payment, decentralized finance, NFTs, etc. Experience with React or other javascript frameworks Experience with Solidity or Rust WHO WE ARE: Do Your Best Work The opportunity to build in a fast-paced start-up environment with more »
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Frontend Developer

London Area, United Kingdom
Hybrid / WFH Options
Shift F5 - Technology Recruitment
an exciting period of growth and are now ready to take on a graduate that they can help grow: Technical Skills: Angular TypeScript/JavaScript HTML/CSS 2:1 or above in Computer Science (or similar) Beneficial: Knowledge or experience in .Net More Details? APPLY NOW ! Location: London - Hybrid more »
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Senior Software Engineer Technical Lead

London Area, United Kingdom
Hybrid / WFH Options
Spectrum IT Recruitment
commercial experience of Consumer Search product development for a retail business or similar. Candidates who are Tech agnostic are preferred, but backgrounds with modern JavaScript libraries and modern Cloud platform experience is preferred. Your areas of expertise: A strong background in software engineering; ideally full stack and exposure to modern more »
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