ECMAScript Jobs in London

126 to 150 of 435 ECMAScript Jobs in London

Senior UX Designer - Hotels.com (Visual Design & Brand Systems)

London, United Kingdom
Traveltechessentialist
design Preferred Qualifications: Demonstrated understanding of accessibility standards and inclusive design practices Experience leveraging AI tools for concept generation and prototyping Familiarity with front-end development technologies (HTML, CSS, JavaScript) Experience with data-driven design and A/B testing Expedia Group is proud to offer a wide range of benefits to support employees and their families, including medical/ More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Technical SEO Manager Organic Strategy London

London, United Kingdom
Hybrid / WFH Options
Croud
within an agency or in-house Technical SEO specialist experience, as well as involvement in more general SEO Strong knowledge of front-end languages and markups, such as HTML, JavaScript and CSS Solid understanding of common web infrastructure and the role of servers and front-end frameworks Excellent project management skills, able to keep multiple projects moving at the same More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior JavaScript Developer Web API

London, South East, England, United Kingdom
Hybrid / WFH Options
Client Server Ltd
Senior JavaScript Developer/Engineer (Web API Vue.js) London to £100k Do you have expertise with JavaScript combined with an engineering, problem-solving mindset? You could be progressing your career in a senior, hands-on Senior JavaScript Developer role at a scale-up tech company, that enables smart matching for commercial van drivers and consumers, via job bidding and route … years, with recent funding of £125 million. You'll be working on complex and interesting systems and can enjoy a range of benefits and perks. As a Senior JavaScript Developer you'll collaborate as part of an Agile technology team to design and develop, troubleshoot and solve complex software issues to help scale and future proof the business. You'll … focus on front end components using JavaScript and Vue.js, there's a range of other tech in the stack (TypeScript, Node.js, Java, Python and of course a bit of legacy PHP!), you'll be encouraged to explore new technologies and use the best tool for the job as well as own your own DevOps and deployment. There's an emphasis More ❯
Employment Type: Full-Time
Salary: £85,000 - £100,000 per annum
Posted:

UI Lead

London, South East, England, United Kingdom
Lorien
UI Lead - Financial Services Key Skills: React, TypeScript, JavaScript, Node.js Front end focused role. Responsibilities: Lead UI development across financial platforms using React and TypeScript. Collaborate with UX, backend, and product teams to deliver scalable solutions. Architect and maintain reusable components and design systems. Integrate frontend with Node.js-based services and APIs. Champion best practices in performance, accessibility, and code More ❯
Employment Type: Contractor
Rate: Salary negotiable
Posted:

Software Engineer (SC Cleared)

london, south east england, united kingdom
Experis UK
require an experienced Software Engineer to join their team on a permanent basis. In order to be successful, you will have the following experience: Technical skills within: Python, SQL, JavaScript Experience with modern frontend frameworks and/or backend systems SC Clearance is essential Experience gained within a consultancy company is a bonus Within this role, you will be responsible More ❯
Posted:

Software Engineer (SC Cleared)

london (city of london), south east england, united kingdom
Experis UK
require an experienced Software Engineer to join their team on a permanent basis. In order to be successful, you will have the following experience: Technical skills within: Python, SQL, JavaScript Experience with modern frontend frameworks and/or backend systems SC Clearance is essential Experience gained within a consultancy company is a bonus Within this role, you will be responsible More ❯
Posted:

Squad Engineering Manager

London, United Kingdom
Harvey Nash
Our database engine is MongoDB and our observability platform is Datadog. Our application is written in Typescript/NodeJS and our infrastructure is defined in Terraform. Experience working with JavaScript/TypeScript but also open to other languages like Go or Python. Required experience working within Financial Services/Fintech space. More ❯
Employment Type: Permanent
Posted:

Squad Engineering Manager

London, South East, England, United Kingdom
Harvey Nash
Our database engine is MongoDB and our observability platform is Datadog. Our application is written in Typescript/NodeJS and our infrastructure is defined in Terraform. Experience working with JavaScript/TypeScript but also open to other languages like Go or Python. Required experience working within Financial Services/Fintech space. More ❯
Employment Type: Full-Time
Salary: £115,000 per annum
Posted:

Magento Developer

London, United Kingdom
WHD Consulting Ltd
to technical documentation and recommending new tools and approaches. Staying up to date with ecommerce trends and technologies. The Ideal Candidate 4+ years of Magento development experience Proficient in Javascript Familiar with Git, Jira, Bitbucket, and agile processes. Solid problem-solving abilities and a collaborative mindset. Understanding of responsive design, performance optimisation, and cross-browser/device compatibility. More ❯
Employment Type: Contract
Posted:

IT Manager

London, South East, England, United Kingdom
Sanderson
or wealth management. Understanding of regulatory, compliance, and data security standards in FS Strong grasp of development life cycles, QA, CI/CD, and DevOps. Technical knowledge: Development : C#, JavaScript, JSON, GitHub workflows Platform : Azure, Microsoft stack Data : CRM data models & integration Infrastructure : Security, cyber, pen-testing, scalable environment If this role sounds of interest and you would like to More ❯
Employment Type: Full-Time
Salary: £60,000 - £65,000 per annum
Posted:

Power Platform Developer - London - c£50K

London, South East, England, United Kingdom
Hybrid / WFH Options
Nigel Frank International
Microsoft Power Platform. Strong skills in Power Apps (model-driven), Dataverse, and Power Pages. Practical experience using Microsoft Customer Insights for campaigns and analytics. Solid understanding of Power Automate, JavaScript, and portal development using HTML/CSS and Liquid. Proficiency in customising workflows, forms, plugins, and business process flows. Knowledge of Microsoft 365 integration's and cross-platform connectivity. Strong More ❯
Employment Type: Full-Time
Salary: £40,000 - £50,000 per annum
Posted:

Power Platform Developer - London - c£50K

London, United Kingdom
Hybrid / WFH Options
Nigel Frank International
Microsoft Power Platform. Strong skills in Power Apps (model-driven), Dataverse, and Power Pages. Practical experience using Microsoft Customer Insights for campaigns and analytics. Solid understanding of Power Automate, JavaScript, and portal development using HTML/CSS and Liquid. Proficiency in customising workflows, forms, plugins, and business process flows. Knowledge of Microsoft 365 integration's and cross-platform connectivity. Strong More ❯
Employment Type: Permanent
Salary: GBP 40,000 - 50,000 Annual
Posted:

Junior Full Stack Developer - Early Stage Startup

London, South East, England, United Kingdom
Richard Wheeler Associates
an exact match to all the technical skills. Requirements: 1-2+ years’ experience Experience building and shipping mobile applications, preferably with React Native Strong proficiency in TypeScript/JavaScript Experience with Node.js for backend development Familiarity with modern frontend and backend frameworks A solid understanding of RESTful APls and mobile-to-server communication Adaptability and an interest in learning More ❯
Employment Type: Full-Time
Salary: £40,000 - £50,000 per annum
Posted:

Head of Automation Development

London, South East, England, United Kingdom
Hybrid / WFH Options
Morgan McKinley
network or IT transformations. Continuous improvement mindset with the ability to inspire high performance in others. Key skills & technologies:Automation & orchestration: Cisco NSO, Ansible, workflow automation platforms.Programming & modelling: Python, JavaScript, Netconf, XML, JSON, YANG, TOSCA.Architectural approaches: Microservices, CI/CD/CT (GitLab, Robot, Selenium, Cucumber, Veracode, SonarQube).Emerging technology: Familiarity with AI/ML concepts and their application in More ❯
Employment Type: Contractor
Rate: £700 - £800 per day
Posted:

ServiceNow Developer

London, United Kingdom
La Fosse
of DevOps, CI/CD, and automation practices Comfortable working in regulated environments (SOC, ISO27001, etc.) Strong communication skills and a proactive approach to solving technical problems Bonus experience: JavaScript, REST/SOAP APIs, Business Rules, ACLs, MID servers Exposure to Azure DevOps, PowerShell, Azure networking & IaaS/PaaS tools Experience with infrastructure-as-code and platform monitoring tools Understanding More ❯
Employment Type: Permanent
Salary: £85,000
Posted:

Design Engineer

london, south east england, united kingdom
Accolite
relevant projects, particularly in digital assessments, SaaS, or related technology products. Preferred Experience: • Experience in digital assessment, HR tech, or EdTech industries. • Familiarity with front-end technologies (HTML, CSS, JavaScript). • Familiarity with React framework More ❯
Posted:

Odoo Developer

London, South East, England, United Kingdom
Hybrid / WFH Options
Avanti
drive business decisions Work directly with stakeholders to understand and deliver business requirements What You Need 2-3+ years Python development experience Strong web technologies knowledge (HTML, CSS, JavaScript) Database experience (PostgreSQL preferred) Self-motivated - you'll work independently with minimal supervision Problem-solving mindset - you'll be the person people turn to for solutions Bonus points for: Odoo More ❯
Employment Type: Full-Time
Salary: £35,000 - £55,000 per annum
Posted:

Design Engineer

london (city of london), south east england, united kingdom
Accolite
relevant projects, particularly in digital assessments, SaaS, or related technology products. Preferred Experience: • Experience in digital assessment, HR tech, or EdTech industries. • Familiarity with front-end technologies (HTML, CSS, JavaScript). • Familiarity with React framework More ❯
Posted:

PHP Developer

London, South East, England, United Kingdom
Proactive Appointments
an existing project from Zend (now Laminas) to a newer version. Support the decommissioning of legacy systems alongside ongoing business change. Work across the stack: PHP, MySQL 8, HTML, JavaScript, CSS . Investigate and resolve issues where the in-house team are focused on BAU commitments. Collaborate with stakeholders to understand business needs and translate them into solutions. What We More ❯
Employment Type: Contractor
Rate: £400 - £475 per day
Posted:

Odoo Developer

East London, London, United Kingdom
Hybrid / WFH Options
Superb Pa Ltd
Looking For: Odoo Expertise: Demonstrable experience in Odoo development, including custom module creation and workflow configuration. Python programming Odoo framework expertise. Skills: Solid grasp of web technologies (HTML, CSS, JavaScript), particularly within the Odoo framework. Mindset: A proactive, self-starter who thrives on solving problems and can manage projects independently. Preferred: Experience with ERP systems or knowledge of manufacturing and More ❯
Employment Type: Contract, Work From Home
Rate: £60,000
Posted:

Junior IT Support Technician

London, South East, England, United Kingdom
Hybrid / WFH Options
City + Capital
configuration. · Windows OS 10, 11 and MacOS. · iPhone Management. · Active Directory and Azure AD. · DNS, DHCP, Group Policy. · Networking, switches, subnets, LAN, WAN, DNS. · CRM, Database, MySQL. · HTML, CSS, JavaScript, PHP. · .net, XML, API. · WordPress. · cPanel, Linux Server. · Microsoft Excel and Macros. · Synology NAS. Our client is ideally looking to pay a competitive basic salary of c£40k/£45k More ❯
Employment Type: Full-Time
Salary: £40,000 - £45,000 per annum, Negotiable
Posted:

Digital Creative Director

london, south east england, united kingdom
Luminous
insights to optimise digital journeys, ensuring every platform performs seamlessly across devices and browsers. Proven experience in UI/UX design and front-end development Knowledge of HTML, CSS, JavaScript, and responsive/adaptive design principles. Experience working with CMS platforms and contributing to large-scale digital projects. Living our Values At Luminous, the work we do matters. It has More ❯
Posted:

Digital Creative Director

london (city of london), south east england, united kingdom
Luminous
insights to optimise digital journeys, ensuring every platform performs seamlessly across devices and browsers. Proven experience in UI/UX design and front-end development Knowledge of HTML, CSS, JavaScript, and responsive/adaptive design principles. Experience working with CMS platforms and contributing to large-scale digital projects. Living our Values At Luminous, the work we do matters. It has More ❯
Posted:

Senior Power Platform Developer

City of London, London, United Kingdom
Hybrid / WFH Options
Triad Group PLC
lifecycle. Design and build both Canvas and Model-Driven Power Apps. Configure and customise Dynamics 365, SharePoint Online, and Power Pages, including the use of plugins, custom workflow assemblies, JavaScript, and extended Azure/Office 365 capabilities. Work with Microsoft Power BI to support reporting and data visualisation requirements. Maintain an awareness of the broader Microsoft solutions suite and how More ❯
Employment Type: Permanent, Work From Home
Salary: £65,000
Posted:

Platform Manager, Global Platforms (People Marketing & Employee Engagement)

London, United Kingdom
Group M Worldwide Inc
and CRM systems, coupled with strong data analysis skills to inform design decisions and content strategy. Strong Microsoft 365 suite skills and a basic understanding of HTML, CSS, and JavaScript, along with SEO principles. Excellent written and verbal communication, analytical, and problem-solving skills. Ability to work independently and collaboratively as part of a team, including experience collaborating with developers More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted: