101 to 125 of 331 ECMAScript Jobs in London

vulnerabilities, working directly with software engineers to support remediation. Ability to read and interpret code in at least one common programming language (e.g., C#, JavaScript, Python). Knowledge of CI/CD pipelines and the integration of security tooling into developer workflows (e.g., GitHub Actions, Azure DevOps). Strong understanding ...

system configuration issues. Skills & Experience: Excellent written and verbal communications skills Development and delivery of Dynamics 365 and Power Pages CRM customisation using JavaScript Capable of dealing directly with business users; working alongside testers to ensure that the software quality standards are met. Ability to determine and suggest most appropriate ...

metafields/metaobjects). Hands-on experience with Shopify Plus and Shopify Markets in a multi-store environment. Strong HTML, CSS/SCSS, and JavaScript (TypeScript is a plus), with an eye for details and interaction polish. Strong UI/UX implementation skills: accessibility-aware, responsive, and performance-focused. Comfortable ...

improve existing user journeys What We're Looking For Essential: 5+ years of professional frontend engineering experience Strong expertise in React and modern JavaScript/TypeScript Deep understanding of HTML, CSS, and web standards Experience building responsive, accessible user interfaces Proficiency with modern frontend build tools and workflows Strong understanding ...

DevOps testing practices and CI/CD pipeline integration. Bonus points if you have: Experience with automation tools such as Playwright (TypeScript/JavaScript) or Cypress. Familiarity with cloud platforms such as Azure DevOps or AWS. Experience with version control systems such as Git or GitHub. This is a unique ...

need a senior NodeJS developer with public sector experience to join a project. 6 month contract Inside IR35 Remote £400 per day AWS Typescript Javascript- Nodejs Docker, EKS (Containerisation), CI/CD, TDD Accessibility (WCAG) Public Sector Experience required ...

React - remote - outside IR35/contract to perm on offer EXPERIENCE & KNOWLEDGE: Strong experience as a software developer with a solid grounding in modern JavaScript/TypeScript and React (E) Experience coding against and integrating with RESTful APIs and working with complex data models (E) Working with Git source control ...

. Optimisesiteperformanceandscalability. Integratethird-partyAPIsandcustomfunctionalityusingShopifysAPIandGraphQL. StayaheadofemergingShopifyfeatures,trends,andbestpractices. Providementorshipandtechnicalleadershiptootherdevelopers. Participateincodereviews,technicalplanning,andprojectestimations.' RequiredSkills&Experience 4+yearsofprofessionalexperienceinwebdevelopment,withatleast3yearsspecialisingin Shopify/ShopifyPlusinaseniororleadposition. Deepunderstandingof ShopifysLiquid templatinglanguageandthemearchitecture. Strongproficiencyin HTML5,CSS3,JavaScript(ES6+),React/Vue ,andmodernfront-endbuildtools(Webpack,Vite,etc.). Experiencebuilding customShopifyapps using Node.js or RubyonRails . Familiaritywith Headless/Hydrogen/StorefrontAPI approaches. Provenexperiencewith ...

implement well-tested new product features. This role isn't just about coding, its about influencing product and business impact Desired Skills & Experience Fullstack JavaScript/TypeScript/Node.js software engineering experience SASS, DynamoDB, AWS Lambda, and Serverless Framework are all beneficial eCommerce/Shopify experience is a bonus ...

Bring Proven experience developing within Microsoft Dynamics 365 (CE/CRM). Strong skills in Power Apps, Power Automate, and Dataverse. Proficiency in C#, JavaScript, and Dynamics SDK/custom connectors. Understanding of Azure functions, APIs, and integration patterns. Experience working in agile, multidisciplinary environments. Awareness of government data ...

least a BSc level or higher in Computer Science or Mathematics from a Russell Group University or equivalent. Desirable skills: HTML5, CSS, JavaScript Multi-threaded application development Understanding of Windows technologies If you feel you have the skills and experience required for this opportunity, please contact Oliver Wilson ...

Bring Proven experience developing within Microsoft Dynamics 365 (CE/CRM). Strong skills in Power Apps, Power Automate, and Dataverse. Proficiency in C#, JavaScript, and Dynamics SDK/custom connectors. Understanding of Azure functions, APIs, and integration patterns. Experience working in agile, multidisciplinary environments. Awareness of government data ...

least a BSc level or higher in Computer Science or Mathematics from a Russell Group University or equivalent. Desirable skills: HTML5, CSS, JavaScript Multi-threaded application development Understanding of Windows technologies If you feel you have the skills and experience required for this opportunity, please contact Oliver Wilson ...

Raptors) Omni Processes (formerly Integration Procedures) Salesforce Flows (screen, triggered, API flows) Custom development skills in Apex and Lightning Web Components (LWC) Experience with JavaScript and Lightning Components Understanding of Salesforce security and sharing model Familiarity with CI/CD pipelines and Git-based version control Experience using Jira, Confluence ...

Production AI features with ongoing development and iteration What They're Looking For Strong commercial experience as a full-stack software engineer Proficiency in JavaScript/TypeScript and modern frontend frameworks (Next.js preferred) Backend experience with Node.js and/or Python Experience building or integrating AI-driven features or tools ...

years of experience building and shipping production software (full-stack or backend) Strong programming skills in at least one modern language (e.g., Python, TypeScript, JavaScript) Ability to thrive in early-stage, fast-paced, and high-uncertainty environments Excellent communication and collaboration skills Demonstrated curiosity and drive to learn through experimentation ...

Comfortable navigating environments across Red Hat Enterprise Linux 8, Oracle Solaris, and Windows Server (2008–2019). Geospatial Integration: Experience with GIS tools including JavaScript/OpenLayers, TileCache, and MapServer. Mandatory Criteria Active Security Clearance: You must hold current, active NPPV3 and SC Clearance . We cannot consider candidates without ...

related field, with significant hands-on experience in AI, machine learning, or data science projects. Strong programming skills such as Python, Java, C#, or JavaScript are required, along with experience in solution architecture, cloud platforms (Azure, AWS, GCP), and web frameworks. Familiarity with automation tools such as Automation Anywhere ...

integrated QA pipelines (e.g. GitLab) Working closely with front-end and back-end engineering teams What we're looking for Hands-on experience in JavaScript + Selenium Web Driver (writing, executing, analysing, and fixing automation tests) Experience in Playwright & Cucumber Extensive experience managing QA teams (both automation and manual ...

data-driven improvements through analytics and experimentation Essential Skills & Experience 2–5 + years experience as a Full Stack or Software Developer React Java JavaScript, HTML, CSS PostgreSQL Experience using Git in a collaborative environment Ability to communicate technical concepts clearly to non-technical stakeholders Strong written and verbal English ...

certifications 3+ years people management experience in technical environments Expert knowledge of ServiceNow modules (ITSM, ITOM, HRSD, CSM) Strong experience with JavaScript, REST/SOAP APIs, and system integrations Proven track record of delivering complex ServiceNow implementations Excellent communication and stakeholder management skills Experience with SAFe/Agile/Scrum ...

security controls provided by tools such as Sailpoint, Rapid7, Wiz.io, MS Defender. Hands-on experience with API integrations and scripting (e.g. Python, PowerShell, JavaScript). Experience with IT Service Management, DevOps, Identity and access management, ERP systems (e.g., SAP, Oracle) and GRC tools. Experience leveraging automation, data driven testing techniques ...

Skills: Experience with Databricks or Spark-based environments, including optimization strategies. Familiarity with data governance tools and frameworks (e.g., Unity Catalog). Experience with JavaScript Full-Stack development environments including MongoDB or similar NoSQL databases Experience with CI/CD pipelines and version control (Git) for data workflows. Exposure ...

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 ...

solid experience building high-quality, cross-platform applications for iOS and Android using React Native and TypeScript . Native familiarity: While you live in JavaScript, experience with native code ( Swift, Kotlin , or Objective-C ) to bridge gaps or debug native modules is a significant plus. Form handling: You have experience ...