1 to 25 of 70 Permanent JavaScript Jobs in the City of London

security Required Skills & Experience: Extensive experience as a Full Stack Engineer with a strong track record in senior or principal-level roles Expertise in JavaScript/TypeScript and modern frontend frameworks (e.g., React, Angular, or Vue) Strong backend development experience (e.g., Node.js, Java, Python, or Go) Proven experience designing ...

similar role. Strong experience working within Agile frameworks and modern software development practices. Hands-on experience with Python/Angular 6/Java/JavaScript/JSON/CI/CD tools such as Bamboo/Microservices and API development/REST API integrations/Event-driven architecture/ ...

with relational databases (MySQL/PostgreSQL) Familiarity with Git, build tools (Maven/Gradle), and CI/CD Exposure to frontend technologies (HTML, CSS, JavaScript frameworks) Experience working in Agile, user-focused product teams Nice to have: AWS or cloud platform experience BPMN tools (Camunda, Activiti, Flowable) React, Angular ...

manage multiple projects and priorities in a fast-paced environment Technical Skills Power Platform (Power Apps, Power Automate, Power Pages, Power BI) Python, JavaScript, TypeScript, Angular or React ASP.NET Core, Entity Framework, REST APIs, Swagger/OpenAPI SQL Server, PostgreSQL, NoSQL databases, vector databases FastAPI and AI service integrations (OpenAI ...

consulting environment, working closely with architects, designers, product teams and client stakeholders. Key Responsibilities Design and build applications using ASP.NET Core, C# and modern JavaScript frameworks Develop responsive, accessible front-end interfaces using React, Angular or Blazor/Razor Contribute to cloud-native architectures on AWS or Azure Implement modern ...

application development (.NET Core, C#) or winforms/WPF (C#) development. Our client will provide you with training into: .NET 10.0, WPF, MVVM, Prism, JavaScript, React, Angular 21, Microservices, MongoDB, Vue.js, TypeScript, Azure, AWS, ASP.NET Core Web API, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and Azure SQL. ...

such as Sitecore, Optimizely, Umbraco, Alterian, Immediacy, Ektron, Kentico, Sitefinity or dotnetnuke. Our client can provide you with industry recognised training in: .NET 10.0, JavaScript, React, Angular 21, Microservices, MongoDB, Vue.js, TypeScript, Azure, AWS, ASP.NET Core Web API, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and MongoDB. This ...

security clearance is essential. Proven experience as a backend or software engineer delivering production systems. Strong coding ability in Java, Python and/or JavaScript/TypeScript. Solid understanding of backend engineering fundamentals, design patterns and API design. Experience working in Agile teams (e.g. Scrum, Kanban). Strong communication skills ...

enabling data scientists and engineers with Python-based development workflows and tooling Technology Stack: Azure Cloud Services C# (.NET 10) Python React.js and modern JavaScript (ES6+) Snowflake (Data Warehouse) Apache Airflow Terraform dbt SQL Server ...

migrating SharePoint 2016 on-premise environments to SharePoint SE and/or SharePoint Online. Proven expertise in SharePoint Framework (SPFx) development. Proficiency in TypeScript, JavaScript, React, HTML5, CSS3, and modern front-end development practices. Strong experience integrating SharePoint solutions using RESTful APIs and Microsoft Graph. Solid experience with C# ...

migrating SharePoint 2016 on-premise environments to SharePoint SE and/or SharePoint Online. - Proven expertise in SharePoint Framework (SPFx) development. - Proficiency in TypeScript, JavaScript, React, HTML5, CSS3, and modern front-end development practices. - Strong experience integrating SharePoint solutions using RESTful APIs and Microsoft Graph. - Solid experience with C# ...

Server, Oracle, or equivalent systems. Desirable skills: We would love to hear from you if you also have experience in multi-threaded application development, JavaScript front-end frameworks like React, network programming (TCP/UDP), or distributed version control systems like Git or PlasticSCM. Salary ...

strong eye for frontend quality - you care about how things look and feel, not just whether they work Comfortable working with HTML, CSS, and JavaScript across a modern Rails frontend stack Familiarity with relational databases (PostgreSQL preferred) and writing efficient queries Comfortable building and consuming APIs as part of delivering ...

office Key responsibilities: • Deliver a complete frontend application ensuring high performance on mobile and desktop while meeting security standards. • Write tested, wellstructured, and documented JavaScript, TypeScript, HTML, and CSS code. • Coordinate workflow between designers and developers to ensure seamless UI delivery. • Collaborate with backend developers during the creation and integration ...

Maintain clear and detailed documentation of tools, processes, and best practices to support team knowledge and future development. Expertise Proficiency in one of Python, Javascript, Golang or Rust Familiarity with React (or similar frameworks) for creating user-friendly web applications. Expertise in API design, data modeling, and distributed architectures Proficiency ...

years in Salesforce Industry development Strong experience with OmniStudio and Public Sector Solutions Data Mappers, Integration Procedures, OmniScripts Apex (triggers, batch, integrations) LWC/JavaScript Understanding of sharing model and security Ability to work within a small Agile team Advantageous: automated testing experience (Provar, Selenium) At Pixelated People ...

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 ...

experience with modern automation tools such as Selenium or Playwright and testing frameworks like JUnit. Good understanding of web technologies including HTML, CSS, JavaScript and modern frontend frameworks. Experience working with CI/CD pipelines, Jira and agile delivery teams. Active use of AI tools in your engineering workflow, beyond ...

solutions. Requirements: The ideal candidate will have several years' experience in ServiceNow design and development preferably in a consulting environment. Scripting skills such as JavaScript, HTML and XHTML, XML, CSS, AJAX, AngularJS highly advantageous An understanding of Service Management concepts, delivery assurance principals and procedures. A high level of knowledge ...

rich platforms. Proven ability to lead or influence front-end architecture and technical decisions on large-scale websites. Strong expertise in HTML5, CSS, and JavaScript, with deep knowledge of responsive design, performance optimisation, and accessibility best practices. Experience designing and delivering A/B or MVT experiments, ideally using Dynamic ...

systems Exceptional attention to detail and ability to manage multiple priorities simultaneously Experience managing or mentoring team members is desirable Familiarity with HTML, CSS, JavaScript and JQuery is a plus Passion for digital media, sports publishing and emerging monetization trends is highly desirable Footballco is proud to be an equal ...

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

technologies relevant to the ServiceNow integration solutions including: Integration Hub, SSO, Web Services, LDAP, JDBC, etc. Experience in scripting on the ServiceNow platform using JavaScript, CSS and Angular JS: Flows, Business Rules, Client Scripts, UI Actions, Widgets and UI Pages Ability to author clear and comprehensive documentation ...

Collaborating with senior engineers on a highly integrated visual system Optionally contributing to technical content, demos, or talks What they’re looking for Strong JavaScript or TypeScript fundamentals Experience working with Canvas, SVG, or other 2D graphics systems Solid grounding in algorithms, data structures, and software design Experience building complex ...

Specialist in at least one ServiceNow product suite ITIL Foundation certification (v3 or v4) Strong hands-on experience with ServiceNow scripting and configuration, including JavaScript, CSS, AngularJS, Flows, Business Rules, Client Scripts, UI Actions, Widgets, and UI Pages A solid understanding of ServiceNow integrations , including Integration Hub, SSO, Web Services ...