451 to 475 of 646 JavaScript Jobs in London

ServiceNow Managed Service Consultant

Location
City Of London, England, United Kingdom
with non-technical people about requirements, technical problems and identifying potential solutions Experience of scripting and debugging in one or more of the following: JavaScript, HTML, CSS, XML, SOAP, REST, ideally in ServiceNow Knowledge of multiple ServiceNow applications across the platform - ITSM and more Understanding of Service Management best practice ...

Client Solutions Engineer - FreeWheel

Hiring Organisation
Hackajob Ltd
Location
Westminster, Greater London, UK
developers to executives, in a way that both communicates value and achieves the desired results. You have solid skills with web/mobile technologies: JavaScript, HTML5, CSS, ActionScript 3, Objective C, XML, etc. The more the better. You should have working knowledge of database structures and SQL You think creatively ...

Technical Account Manager (UK, EMEA)

Location
Greater London, England, United Kingdom
open-source ecosystems Experience with developer tooling and CI/CD platforms (GitHub Actions, Jenkins, CircleCI, etc.) Ability to read and reason about code (JavaScript, Python, TypeScript) Familiarity with APIs, webhooks, and SaaS integration patterns Hands-on experience with Package Managers Comfort troubleshooting in production environments alongside engineering teams Clear ...

AI Implementation Senior Manager, TGS

Hiring Organisation
Wise
Location
Greater London, United Kingdom
Employment Type
Full Time
Salary
83000 to 110000 GBP Annually
Knowledge of Payments, Customer Support, Financial Crime or KYC operations. Experience navigating enterprise data lakes, warehouses and lakehouses. Experience using Google Apps Script or JavaScript to prototype operational solutions. What success looks like Your impact will be measured by the practical value your solutions deliver: Operational impact: Measurable reductions ...

Sales Engineer

Location
Greater London, England, United Kingdom
APIs and web and mobile integration, including REST, OAuth, webhooks, JSON, and SDKs, with the ability to build and debug a demo in JavaScript, Python, or similar. Experience working in, or selling to, fintech or financial services in the UK or EU. Ability to move between deep technical conversations ...

Software Development Manager

Location
Greater London, England, United Kingdom
global organization through resourcing/location strategy. Qualifications Proven track record delivering solutions in complex organizations. Experience with AWS, Databricks, DBT, PySpark, React, JavaScript Terraform, etc. Fast learner, thrives in ambiguity, translates vision into product scope. Passion for automation and user experience innovation. Builds high-performing teams, leverages staff ...

Application Support Engineer - Graduate-level

Location
London Borough of Southwark, England, United Kingdom
baseline level of software development knowledge in order for you to be as effective in your role as possible. This includes: Knowledge of Javascript/Typescript Knowledge of SQL databases (PostgresQL is a plus) Good communication skills A data-driven mindset - you are able to interrogate metrics and analytics ...

Applied AI Engineer, Codex

Location
Greater London, England, United Kingdom
production engineering—not only program, enablement, or stakeholder management. Are highly proficient in Python and comfortable working across modern software development environments; experience with JavaScript, TypeScript, or another relevant language is valuable. Are an active user of AI coding tools and have developed a strong point of view ...

Quantitative Engineer

Location
London Borough of Bromley, England, United Kingdom
scale data sets with structured or unstructured data Experience in building user facing applications over large amounts of data using technologies like React, Angular, JavaScript etc. Experience implementing process improvements and automation Strong Python development skills (including Pandas and related data-processing libraries). Experience with big data technologies such ...

Deployment Strategist

Location
Greater London, England, United Kingdom
Demonstrated understanding of the Salesforce platform and ecosystem, including Agentic AI capabilities and Data Cloud Working knowledge of one or more programming languages: Python, JavaScript, Java, or Apex Proven ability to lead and own complex, ambiguous engagements end-to-end — from discovery through to measurable outcomes Experience leading AI/ ...

Voice AI Architect

Location
Greater London, England, United Kingdom
conversation design principles, including intent journeys, task flows, fallback paths, repair prompts, turn‐taking, escalation points, voice‐friendly wording, and reducing customer friction. Strong JavaScript understanding for reviewing Code Nodes, validation logic, payload mapping, API response handling, context manipulation, logging, and custom flow behaviour. Experience designing secure REST API integrations ...

Deployment Strategist - Public Sector, Nonprofit & Education

Location
Greater London, England, United Kingdom
Demonstrated understanding of the Salesforce platform and ecosystem, including Agentic AI capabilities and Data Cloud Working knowledge of one or more programming languages: Python, JavaScript, Java, or Apex Proven ability to lead and own complex, ambiguous engagements end-to-end — from discovery through to measurable outcomes Experience leading AI/ ...

Salesforce Developer (UI/UX) 12 Month FTC

Location
Greater London, England, United Kingdom
facing workflows such as opportunity management, account planning and pipeline views. Jest testing for LWC, and Salesforce certifications (Platform Developer I/II, JavaScript Developer I, Platform App Builder). Experience with performance profiling and optimisation in Lightning pages. What Success Looks Like (12 Months) Month 3: UX audit complete ...

Forward Deployed Engineer

Location
Greater London, England, United Kingdom
professional environment* Strong background in Computer Science or a related engineering discipline* Expert-level proficiency in one or more programming languages (e.g., JavaScript, Java, Python, Apex)* Extensive hands-on experience building and deploying solutions with AI/LLM technologies, including integrating LLMs, applying advanced AI orchestration frameworks (e.g., LangChain, LlamaIndex ...

Senior Software Engineer I (Java & JavaScript)

Location
Greater London, England, United Kingdom
enjoy designing and developing scalable, high-performance applications using Java and JavaScript? Do you enjoy designing and developing scalable, high-performance applications using Java and JavaScript? About The Team You will join the Identity & Access Management team, which owns the authentication and authorisation infrastructure underpinning Elsevier’s global product suite. … dimensional data modelling principles Intermediate knowledge of multiple data storage subsystems Confident practitioner in development languages including but not limited to: Java/J2EE, JavaScript, JSP, HTML, Node.js, React, XML, SQL, Windows, Unix. Experience with Keycloak, Auth0, or another identity provider, including realm configuration, authentication flows, and OIDC client setup. ...

Full Stack Developer

Location
Greater London, England, United Kingdom
writing maintainable, reusable code. Experience writing automated tests using tools such as PHPUnit and/or Pest. Experience with modern front-end development and JavaScript frameworks such as React, Vue or similar. A good understanding of HTML, CSS and responsive web development. Experience using Git and working within structured development … Azure or similar. Experience developing and consuming RESTful APIs. Experience with application performance optimisation, including database queries and efficient application code. Experience with modern JavaScript tooling and front-end build processes. An interest in emerging AI technologies and how they can be applied responsibly to improve software development and digital ...

Software Engineer – Security & Intelligence

Location
Greater London, England, United Kingdom
with opportunities to contribute across API development, cloud‐native services and data integration. Typical responsibilities include: Developing software services using languages such as Java, JavaScript, TypeScript, Python or C++ Building full‐stack applications using frameworks such as React, Node.js, Spring Boot, Next.js or similar Designing and developing APIs, microservices … modern software engineering practices, frameworks and secure application development across HMG‐style technology estates Proficiency in one or more programming languages such as Java, JavaScript, TypeScript, Python or C++, with experience building APIs and full‐stack applications Experience designing and developing distributed systems, including microservices, event‐driven architectures and high ...

Senior Software Engineer - FinTech & Tokenization Platform

Location
Greater London, England, United Kingdom
tokenization. You will design and maintain scalable solutions while collaborating with product teams. With over 5 years of experience expected, proficiency in TypeScript or JavaScript is essential. This position offers a dynamic and ambitious working environment in London, with significant responsibilities and the chance for impactful work. #J-18808-Ljbffr ...

Software Engineer – Ads & Commercial Dev (Hybrid)

Location
Greater London, England, United Kingdom
Media unit seeks a Software Engineer – Ads & Commercial Development to design, build and optimize ad‐tech platforms with a focus on backend JavaScript, containerized services, and scalable CI/CD pipelines. The role offers a hybrid work model in London, requiring two days in the office, and is a permanent ...

Forward-Deployed AI Solutions Engineer

Location
Greater London, England, United Kingdom
systems. The role requires 5+ years in FDE/AI engineering, hands-on experience with LLMs and agent frameworks, and strong software skills (Python, JavaScript, SQL). #J-18808-Ljbffr ...

Senior Growth Full-Stack Engineer — Onboarding & Funnels

Location
Greater London, England, United Kingdom
journeys to enhance conversion rates, collaborating with various teams, and implementing tracking for user behavior insights. The ideal candidate will have strong TypeScript and JavaScript skills, along with a passion for optimizing user experiences. This is an exciting opportunity to make a significant impact on the team and product. #J ...

AI Solutions Engineer - Customer-Facing, 60% Travel

Location
Greater London, England, United Kingdom
directly with customers. The ideal candidate has 5+ years of experience in building scalable solutions and a strong background in programming languages such as JavaScript, Java, Python, and Apex. Knowledge of the Salesforce platform is essential for this role. #J-18808-Ljbffr ...

Real-Time Metrics Fullstack Engineer (Remote UK)

Location
Greater London, England, United Kingdom
with occasional visits to Bristol or London. Requirements include a Bachelor's in Computer Science or equivalent and 4+ years of experience, with strong JavaScript/TypeScript frontend (NodeJS, #J-18808-Ljbffr ...

Remote-First Test Automation Engineer (Cypress/API)

Location
City of Westminster, England, United Kingdom
Newman) within a CI/CD pipeline, ensuring robust end-to-end coverage. The role focuses on building automation frameworks from scratch, working with JavaScript and Java, and improving processes in an environment with limited #J-18808-Ljbffr ...

Staff Software Engineer — Lead AI-Driven Commerce Platform

Location
Greater London, England, United Kingdom
with Product, Design, Data, and leadership. You’ll drive architectural decisions, mentor engineers, and shape scalable, reliable systems. The role requires deep TypeScript/JavaScript expertise and a track record delivering complex enterprise software. #J-18808-Ljbffr ...