26 to 50 of 102 JavaScript Jobs in Central London

development practices Engage senior stakeholders across technology and business Translate complex technical decisions into clear, commercial outcomes Technology Environment Backend: TypeScript/C# Frontend: JavaScript/React Cloud: AWS (containers, serverless, broader ecosystem) What They're Looking For Strong platform/solution architecture experience in modern cloud environments Background building ...

application architecture and delivery lifecycle Experience with integrations (REST, SOAP, APIs, OAuth, SQL) Good understanding of relational databases (SQL Server or Oracle) Knowledge of JavaScript and CSS for UI customisation Understanding of application security, performance tuning, and scalable design principles Desirable Experience OutSystems certifications (Associate, Professional, Tech Lead) Exposure ...

business scales toward Series A and beyond. Core requirements: 3 plus years of engineering experience Strong in React and comfortable across the full JavaScript and TypeScript stack Backend experience building REST APIs using NestJS or Express Or Python Experience with MongoDB or similar databases Evidence of building independently, for example ...

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 ...

within SaaS environments.) Strong expertise in TypeScript and a genuine appreciation for the language and its ecosystem. Proven experience across the core tech stack: JavaScript, React, Node, Postgres, Redis, Kubernetes, GitHub, and Google Cloud Platform. Demonstrated ability to collaborate effectively with product teams and designers, with a track record ...

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 ...

here At least 2 years working with AI or ML systems in production and 3–5 years of substantive software/platform engineering Deep JavaScript/Node.js skills Azure Fluency JSON data structures, REST API design, and complex semi-structured data Practical LLM application — RAG architectures, prompt engineering etc Comfort ...

from business problem → solution design → development → release. Debug issues, improve reliability, and raise code quality. Work pragmatically across the stack (Ruby, JavaScript, CSS, SQL). Use AI-assisted/agentic development tools to write and review code, while maintaining high quality. Must haves Strong Ruby and Ruby on Rails experience ...

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 ...

relevant ideas from previous sectors such as energy, trading, or fintech into the product What Were Looking For Strong frontend fundamentals across HTML, CSS, JavaScript, and a modern framework, ideally React A track record of shipping customer-facing products and being able to demonstrate their impact Strong product instinct, with ...

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 ...

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 ...

trust team to ship and iterate quickly. Core Technology Stack: Backend: Java, distributed messaging systems, relational databases, Docker, infrastructure as code Frontend: TypeScript, modern JavaScript frameworks Infrastructure: Cloud-native serverless and containerised environments AI Tooling: Regular use of AI-powered development tools and coding assistants What We’re Looking ...

Extensive SAP UI5/Fiori development experience or as SAP UX Architect that can lead SAP FIori developers 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 ...

WILL NEED The foremost quality for this position or any position at Blockchain.com is integrity. At least 2 years of experience working with JavaScript and client-side web applications preferred. Experience building innovative data visualizations. You thrive on learning new technologies and don’t believe in one-size-fits ...

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 ...

modules and Power Apps Portal - Code review and Enhancements - Technical and functional design reviews - Lead a team of developers - Experience working/developing JavaScript, Plugins - Strong understanding of application lifecycle management - Superb collaboration, interpersonal, and communication skills - Advanced analytical and problem-solving abilities - Solution Deployment ...

understand code. Experience supporting partner or customer implementations. Strong stakeholder management and customer-facing experience. Good understanding of web technologies. Hands-on experience with: JavaScript HTML CSS Excellent communication and problem-solving skills. Ability to work effectively in a fast-paced, collaborative environment. Preferred Experience Previous experience in technical support ...

cross-functionally in a product-driven squad model Requirements: Strong experience with React Native (non-Expo, production-level apps) Solid fundamentals in React & modern JavaScript (ES6+) Experience integrating GraphQL/REST APIs Strong understanding of mobile performance, debugging, and lifecycle Background in fintech, payments, or data-sensitive applications Ability ...

design end‐to‐end solutions that integrate with a range of legacy and modern systems. Proficiency with programming and scripting languages such as JavaScript, SQL, Java, C#, or similar. Skilled at simplifying complex technical concepts for non‐technical audiences and influencing decision‐making. Minimum five years’ experience in a technical ...

knowledge extraction, enrichment, and automation ⚙️ Contribute to DevOps practices across CI/CD, infrastructure, and observability What we’re looking for: 👩 💻 Deep full-stack JavaScript or strong backend Python expertise 🔥 High agency mindset with end-to-end ownership 🎯 Strong track record of shipping production-ready features quickly 🤖 AI fluency ...

scalable. Required Skills & Experience 36 years of experience in a high-growth startup, D2C brand, or specialised ecommerce agency. Expert-level proficiency in JavaScript, HTML, CSS, and Shopify/Liquid development. Proven ability to write Python or similar scripting languages for automation and AI-driven workflows. A 'builder' mindset with ...

interactivity. Write and maintain comprehensive unit and end-to-end tests to ensure reliability at scale. You should have Strong experience with TypeScript/JavaScript and modern frameworks (React or similar). A proven track record of delivering polished, performant, and elegant user interfaces. Deep appreciation for UI/ ...