101 to 125 of 332 JavaScript Jobs in London

engineering community to foster an inclusive and collaborative culture, encouraging peer to peer feedback and evolving healthy, curious and humble teams. Tech Stack: Python, Javascript/Typescript, React/React Native, AWS, GraphQL, Snowflake, Airflow, DDD. This is an incredible opportunity for a Senior Software Engineer to join a unique ...

Exposure to CEP engines (Esper) or other live stream aggregation technologies. Familiarity with authentication, authorization, and endpoint security. Experience with C#/HTML/JavaScript and AWS/Terraform/CI-CD pipelines. Why Join CMC Markets? Work on high-performance trading systems that have global impact. Collaborate with ...

development, data mining, and segmentation techniques. Strong knowledge of and experience with reporting packages (Business Objects, Tableau, Power BI), databases (SQL, etc.), programming (XML, JavaScript, or ETL frameworks), and data visualization (Power BI, Tableau, etc.). Demonstrated analytical skills with the ability to collect, organize, analyze, and disseminate significant amounts ...

take on the various roles as required, such as gathering requirements, design, deployment, testing and training Demonstrated experience in developing solutions with ASP.NET, JavaScript, SQL, C#, Web Services and Web API Experience with Power Apps, Power Automate and Power Portal. Experience with agile process and methodologies desirable. Good presentation ...

communication and knowledge sharing within the team. Requirements: Proven experience in test automation using Playwright, Cypress, and Selenium WebDriver. Coding skills in TypeScript/JavaScript plus either C# or Java. Familiarity with public sector projects and compliance requirements is highly desirable. Previous experience working in a consultancy environment is beneficial. ...

/expertise in FX/Fixed Income/Equity/Equity Derivatives products KDB Exposure and understanding in one or more of the modern JavaScript build tool chain using things like node, npm, rush, yarn, webpack, babel, cyprus About State Street Across the globe, institutional investors rely ...

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 ...

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 ...

platform experience—built real-time conversational systems with production STT/TTS integration Proficiency in Python (production-grade, async programming, type hints) and JavaScript/TypeScript (full-stack development) RAG implementation experience—built retrieval-augmented generation systems with vector databases MLOps & deployment—hands-on with Docker, Kubernetes, CI/ ...

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 ...

/BE Java, Kafka Spring (Framework, Boot, Data) Postgres OpenSearch/ElasticSearch NodeJS Rest API Wiremock (API mocking) Frontend/FE React TypeScript/JavaScript (when used in the browser) Playwright (front-end testing) Please feel free to contact myself – Daisy Nguyen at Gibbs Consulting/Atrium ...

. 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 ...

stakeholders, you'll drive quality across web applications and APIs while tackling interesting technical challenges. Key responsibilities include: Designing and maintaining test automation frameworks (JavaScript/TypeScript) Automated and manual testing of web applications and APIs Test planning, estimation, execution and defect management Integrating automated tests into CI/ ...

stakeholders, you’ll drive quality across web applications and APIs while tackling interesting technical challenges. Key responsibilities include: Designing and maintaining test automation frameworks (JavaScript/TypeScript) Automated and manual testing of web applications and APIs Test planning, estimation, execution and defect management Integrating automated tests into CI/ ...

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 ...

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 ...

degree in Computer Science or similar (PhDs will be given preference) 7+ years of experience in Back End Development Full proficiency in Node.JS, JavaScript ES6+ and TypeScript Experience with Nest.JS preferred but not necessary Experience with management tools like Jira and Confluence A good working proficiency in verbal and written ...

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 ...

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 ...

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. ...

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 ...

Technology Lead/Technical Lead/Senior Engineer role Strong experience with Microsoft Azure cloud services Solid background in web technologies (HTML, CSS, JavaScript) and compiled languages such as C++ Experience designing and overseeing data infrastructure and reporting systems Hands-on experience supporting or delivering LMS and website platforms Strong ...

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 ...