1,001 to 1,025 of 1,028 ECMAScript Jobs in London

worlds largest dedicated payments business (in terms of tech and market share).This role leads the frontend development of their web platform in HTML5, Javascript and CSS3The Web Developer will be fully responsible for production, modification and maintenance of websites and web application's user interfaces. As well … Below also shows tech stack)Proven experience in the development of web applications. Strong UX including data display and how to maintain interactionHTML5CSS3JavaScriptCSS and JavaScript InteractionPortfolio to include a GithubREST APi'sAngular. JS or Ember. JSIdeally MVCOO Design Patterns again ideallyknowledge of user-centered design methodologies, information architecture and usability ...

internal colleagues and senior stakeholders Translate financial, legal or business requirements into structured automation logic Build and improve templates using scripting languages such as JavaScript or Python Review existing documents and workflows to identify opportunities for automation and process improvement Contribute to automation projects, helping to deliver accurate and timely … clearly Ability to interpret complex requirements and turn them into structured, logical solutions Experience with, or willingness to learn, scripting or programming such as JavaScript or Python ...

your chance to be one of the first engineering hires and make a meaningful impact while working on cutting-edge technology.As a Backend JavaScript Engineer, you will play a pivotal role in a Health-tech start-up. Guided by an inspirational CEO, who has a proven track record in founding … environment.Make architectural decisions and provide mentorship to junior team members.Drive the implementation of modern software development best practices.Requirements:Strong backend development experience using JavaScript/TypeScript.Experience with AWS and knowledge of managing infrastructure with code, ideally with CDKAbility to move seamlessly between frontend and backend development, with a passion ...

your chance to be one of the first engineering hires and make a meaningful impact while working on cutting-edge technology. As a Backend JavaScript Engineer, you will play a pivotal role in a Health-tech start-up. Guided by an inspirational CEO, who has a proven track record … architectural decisions and provide mentorship to junior team members. Drive the implementation of modern software development best practices. Requirements: Strong backend development experience using JavaScript/TypeScript. Experience with AWS and knowledge of managing infrastructure with code, ideally with CDKAbility to move seamlessly between frontend and backend development, with ...

Application Engineer - London (Hybrid) - Python/JavaScript - Power Platform & Automation - Up to £50,000 We're working with a growing technology-driven consultancy that is embracing AI, automation and low-code development across the organisation. As investment in internally built applications continues to increase, they're looking … automations or internal business tooling. Exposure to Power Platform, including Power Apps and Power Automate. Experience with Microsoft 365 technologies. Python and/or JavaScript skills. Experience working with APIs, integrations or automation tools. Strong troubleshooting and problem-solving skills. Confidence working directly with stakeholders and end users. A pragmatic ...

timeMinimum Qualifications3+ years as a software engineer building and shipping production quality codeExperience with open source languages such as PHP, Python, Java, or JavaScript FrameworksExperience with writing and shipping reliable, scalable, and efficient code, with an emphasis on long-term maintainability, in partnership with all appropriate reviewers, in manageable pieces … integrate AI tools to optimize/redesign workflows and drive measurable impact (e.g., efficiency gains, quality improvements)### Skills Required* PHP* Python* Java* JavaScript Frameworks* AI* prompt engineering* agent orchestration #J-18808-Ljbffr ...

prompt-only' role. We are looking for someone who can write clean, functional code (using programming/scripting language such as Python/JavaScript) from scratch with their own knowledge, without relying on AI assistants to write it for them.The Opportunity:Working directly with teams across the entire business … maintaining the pipeline.What we need from you:You must have strong, hand-written programming skills in programming/scripting languages such as Python or JavaScript with the ability to read, debug, and rewrite code from scratch.You have proven experience designing, building, and deploying workflows utilising low-code/no-code ...

prompt-only' role. We are looking for someone who can write clean, functional code (using programming/scripting language such as Python/JavaScript) from scratch with their own knowledge, without relying on AI assistants to write it for them. The Opportunity: Working directly with teams across the entire business … pipeline. What we need from you: You must have strong, hand-written programming skills in programming/scripting languages such as Python or JavaScript with the ability to read, debug, and rewrite code from scratch. You have proven experience designing, building, and deploying workflows utilising low-code/no-code ...

stakeholder needs into practical platform solutions.Configuration and development. Develop and maintain business rules, UI policies, workflows, dashboards, access controls, and wider platform configurations using JavaScript and native ServiceNow capabilities.Testing and release. Configure and test platform enhancements, coordinate user acceptance testing, and manage controlled promotion of changes through to production.Platform health … Service Now experience.Demonstrable hands-on experience implementing, configuring, and developing on the ServiceNow platform, including business rules, UI policies, workflows, and access controls.Proficiency in JavaScript as applied within ServiceNow, together with a solid understanding of platform architecture and scoped applications.Working knowledge of ITIL service management disciplines and CMDB design, data ...

hands‐on builder who is equally comfortable in no‐code and low‐code platforms (Zapier, Make, n8n) and writing custom code (Python or JavaScript) against APIs. You think in systems, care about reliability and clean data, and get satisfaction from replacing a manual process with a workflow that just runs. … experience building automations with no‐code/low‐code platforms (Zapier, Make, n8n, or similar) Proficiency in at least one programming language (Python or JavaScript) for custom logic and API work Experience integrating APIs and building webhook‐driven workflows across marketing, CRM, and finance systems SQL proficiency for data validation ...

Principal Angular Engineer Remote Working 6 month contract Inside IR35 Are you an Angular expert who enjoys solving complex technical challenges and influencing engineering direction at scale? We're looking for a Principal Angular Engineer ...

Principal Angular Engineer Remote Working 6 month contract Inside IR35 Are you an Angular expert who enjoys solving complex technical challenges and influencing engineering direction at scale? We're looking for a Principal Angular Engineer ...

Role Overview:As a Platform Services Specialist at Squarepoint, you will play a crucial technical role in delivering and maintaining mission-critical platform infrastructure using the DevOps methodology. You will work with a diverse group ...

Role Overview: As a Platform Services Specialist at Squarepoint, you will play a crucial technical role in delivering and maintaining mission-critical platform infrastructure using the DevOps methodology. You will work with a diverse group ...

Senior Frontend Engineer - 3D Graphics, Digital Twins & Geospatial Visualisation Hybrid | Competitive Salary + Equity + Equity + Outstanding Benefits Build the next generation of mission-critical visual technology. We’re partnering with one of the ...

Be a part of London’s next big step in the fibre optic space. As the world shifts more and more into the digital space, it has never been more important to have the best ...

Security Engineer (JavaScript/TypeScript) London/Remote to £80k Do you have expertise with web security combined with strong JavaScript/TypeScript coding skills? You could be progressing your career at a global leader in Computer Vision, AI and biometric identity, whose technology protects governments, critical infrastructure and some ...

talented JavaScript Engineer looking to make a significant impact in the energy space? Join a fast-growing start-up, which recently secured 500,000 in funding and has ambitious plans to expand across Europe and the US within the next few months! My client is seeking a skilled Mid/… Lead JavaScript Engineer to be the first engineering hire, working alongside a visionary CTO to build innovative software solutions that enable companies to reduce their energy consumption by up to 20%.As a Mid/Lead JavaScript Engineer, you will have a unique opportunity to learn and grow under ...

tier investors including Accel, DFJ, Balderton and the teams behind LVMH, Michael Kors and Oscar de la Renta.Job DescriptionLyst are looking for experienced JavaScript Engineers to join our team in Hoxton Square. We are building a fashion commerce platform that our users love, that brands are excited to partner with … developing an environment and culture that is all about writing great software using the best tools in the best possible manner.As a JavaScript Engineer you will be ensuring that the platform continues to over exceed shoppers expectations, helping us to constantly release new features and improve functionality. You will work ...

talented Client's Development team, you'll: Build and support multi-platform applications used across Europe. Develop front-end applications using React.js, JavaScript/TypeScript, and Redux. Optimize performance across a variety of devices to ensure consistent, high-quality functionality. Architect and deliver new features, from planning to release. Craft … Developer who: Has a strong grasp of software design principles and can provide constructive, objective feedback. Excels in front-end development using ReactJS, JavaScript, and/or TypeScript. Is experienced in writing tests with libraries like Jest, Cypress, or similar. Understands how to create and maintain reliable, reusable libraries. Thrives ...

Senior Technical Implementation Consultant – Risk AnalyticsQuant Capital is urgently looking for a Senior Technical Implementation Consultant to join our high profile client. Our client is the world's leading fintech firm disrupting the wealth management ...

Senior Technical Implementation Consultant – Risk AnalyticsQuant Capital is urgently looking for a Senior Technical Implementation Consultant to join our high profile client.Our client is the world’s leading fintech firm disrupting the wealth management space. ...

Wedo Technology Solutions Ltd. is seeking an experienced D365 CE Developer (Field Service) for a contract position, focusing on developing and customizing Microsoft Dynamics 365 solutions remotely from the UK. This role requires strong expertise ...

Manager, Software EngineeringThe Manager, Software Engineering will lead a group of developers and coordinate all development and production activities for custom applications and/or integration solutions. The manager will also contribute to the analysis ...

Company DescriptionLyst is a technology platform that revolutionises the way people shop for fashion. We connect millions of consumers globally with the world’s leading fashion designers and stores, giving them a simpler, more engaging ...