26 to 50 of 97 JavaScript Jobs in Central London

. 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 ...

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 on (phone ...

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 ...

platforms, subscriptions platforms and any other E-commerce platforms. Experience with managing third party vendors, good stakeholder management skills Coding languages such as React, JavaScript, AngularJS, .Net, C#, TypeScript, HTML, CSS, This will be initially a six-month day rate contract inside IR35 via umbrella company from our supplier list. ...

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 ...

support, maintenance, and change requests across the full business systems landscape. Develop, test, deploy, and maintain enhancements using scripting and automation tools (e.g. SuiteScript, JavaScript, SQL, Azure Logic Apps). Manage system integrations to ensure reliable, secure, and efficient data flows between platforms. Oversee user provisioning, roles, permissions, and access ...

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 ...

Senior Full Stack Engineer - C#, .Net, TypeScript, JavaScript Hybrid, 1-2 days near Liverpool Street Up to £90,000 + bonus + benefits If you enjoy solving complex engineering problems, learning from highly capable peers, and working on a product where your contribution genuinely matters, this is an opportunity ...

pipelines. Essential Skills 10+ years of software development experience with a MUST in the Shopify platform. Advanced proficiency in Shopify Liquid and modern JavaScript patterns Experience with Typescript, React, Tailwind, and CSS3. Experienced in NodeJS, RESTful APIs, and general data transfer approaches. Practical knowledge of Jenkins CI/CD, Playwright ...

Power Platform and Dataverse. Must have project experience in delivering complex solutions. Experience with some of the following development languages such as C#, .Net, JavaScript, HTML, CSS, JSON and experience working with XML based APIs. Experience within Microsoft Office 365 and associated platform products, Azure AD, SSO etc. Ability ...

other Full Stack Engineers on high-impact projects Technical Requirements Recent graduate or up to 1 year of professional experience Familiarity with JavaScript and Next.js (React or React Native experience is a plus) Basic knowledge of Python Understanding of SQL and relational databases Eagerness to learn cloud services (AWS experience ...

mobile Proficiency in Figma (or similar) Portfolio showing end-to-end product design work Experience building and maintaining design systems Development HTML, CSS, JavaScript/TypeScript React (our stack is React + TypeScript + Tailwind) Comfortable turning designs into responsive, accessible interfaces Experience creating reusable component libraries Mobile development (React ...

platforms Strong technical judgment and the ability to translate ambiguous requirements into clear design decisions Hands-on experience working with web technologies (e.g. modern JavaScript frameworks), backend services (Python, Go, or JVM languages), data-integration pipelines, and cloud-native tooling Understanding of reconciliation workflows, data lineage, and the operational safeguards ...

valued member of our engineering team, you will contribute to the development of our innovative application using React Native. Working with a modern JavaScript stack, your primary focus will be on coding, testing, and enhancing the functionality of Travelex's and partner mobile applications. In this role, you will collaborate ...

Fiori guidelines, security, and UX standards What We Are Looking For: Extensive SAP UI5/Fiori development experience Strong skills in UI5, Fiori, JavaScript, HTML5, CSS, XML, debugging tools Hands-on development with CDS Views (including UI annotations) Experience with OData services (SAP Gateway), BOPF, RAP framework Good understanding ...

instrumental in driving the technology strategy forward at a day-to-day tactical level, solve problems effectively, and come up with innovative solutions. Skills: Javascript, Typescript and React Native or React.js Next.js Typescript GraphQL CI/CD best practices Design systems (Storybook) Rullion celebrates and supports diversity and is committed ...

maintainable code that meets industry standards. Implement responsive design patterns to ensure optimal viewing and interaction across a variety of devices. Requirements: Expertise in JavaScript, TypeScript and React. Experience in leading technical products. Is excited to interact with bleeding-edge tech in NFTs, Web 3.0 and the Ethereum blockchain. Benefits ...

Founding Engineer (London/Hybrid) - JavaScript We’re an early-stage startup building an AI-driven platform in the capital markets space, with a clear mission: use AI to radically reduce the complexity of a traditionally under-served function. Our MVP is live, we have early customers, and strong relationships ...

scale systems sustain-ably through mechanisms like automation. Looking for someone from a software development background Ideal Candidate: Very strong engineering skills in Java, JavaScript or Python Open Telemetry experience Must have Core Java/Python Must have experience as an SRE knowledge of Python Data Structures Strong knowledge ...

grow our engineering culture 🛠 What We’re Looking For 4+ years of professional experience building complex applications Strong proficiency in Python and the modern JavaScript ecosystem ( React + TypeScript ) Experience with full product lifecycle delivery Excellent communicator with a customer-first mindset 🌍 Why Join Us Be part of a mission ...

accessibility and clean code standards You Will Need: – Commercial front-end development experience in complex environments – Hands-on Salesforce experience (absolute non-negotiable) – Strong JavaScript, HTML5, CSS3 and modern front-end frameworks – Full Right to Work in the UK – sponsorship and relocation are not available for this role ...

with a truly collaborative attitude. A hands-on, problem-solving approach paired with genuine accountability. Tech Stack You'll Work With Required: React Native, JavaScript, JS frameworks, Redux, GraphQL, AEM, Storybook, Chromatic, TypeScript, UI frameworks Nice to Have: Next.js, Angular, caching technologies, Adobe Experience Manager Why This Role? This ...

Workday report writer and Payroll interfaces PECI & PICOF. Programming Languages: Knowledge of programming languages such as XSLT for data transformation and scripting languages like JavaScript or Groovy for custom integrations. API Integration: Experience with RESTful and SOAP APIs to connect Workday with other systems and applications. Data Formats: Familiarity with ...

will work across the stack, building robust back-end systems in TypeScript, Node.js, and PHP, and delivering high-quality front-end experiences using modern JavaScript frameworks. The role requires expertise in database design, DevOps, cryptographic data handling, and AWS cloud technologies. Key Responsibilities Design, develop, and maintain backend services using … TypeScript, Node.js, and PHP 8.1+ and modern JavaScript frameworks (React, Vue, or similar). Build and integrate cryptographic export and data protection components ensuring compliance with relevant standards. Develop and optimise RESTful and GraphQL APIs consumed by web and mobile applications. Design efficient data models and queries for MySQL (Aurora ...