501 to 525 of 645 JavaScript Jobs in London

Engineering Mindset: Active curiosity in AI tools to write, test or troubleshoot code, while designing solutions with scale and error handling in mind. JavaScript proficiency is a bonus. Automation Awareness: Experience using n8n (or similar) low code tools to test logical workflows. Commercial Urgency & Delivery focus: A track record ...

product manager, technical project manager, developer or founder; Coding and technical literacy: working knowledge of at least one programming language (e.g. Python or JavaScript) and a sound understanding of how software is designed, built, tested and deployed, including APIs, databases and cloud services; Systems thinking: an understanding of how large ...

modern GTM stack (Clay or equivalent, HubSpot or Salesforce, plus enrichment and sequencing tools) Comfortable enough with SQL and a scripting language (Python or JavaScript) to solve problems independently; reading API docs, handling auth, and chaining calls doesn\'t scare you Fluent with AI coding and automation tools (Claude Code ...

Where: London, UK Start Date: ASAP Employment: Permanent Angeloop is an exciting Business Intelligence startup on a mission to change the way early-stage companies interact with investors, helping them connect, complete funding rounds and ...

also to ensuring its smooth, automated, and scalable deployment in production environments. You’ll start by supporting our engineering team with Python and JavaScript development , test automation , and CI/CD workflows on Azure , progressively expanding your scope toward infrastructure reliability , monitoring , and performance optimization . We are looking … equally passionate about automation, quality, and the reliability of the systems they help build. Key Responsibilities Develop and maintain small Python and JavaScript modules supporting internal tools, workflows, and production systems. Design, write, and execute unit and integration tests using frameworks such as pytest, unittest, Playwright. Support test data preparation ...

techniques, and domain knowledge to deliver the right solution. You have solid experience with Python, along with front-end skills across HTML, CSS and JavaScript (or a modern framework such as React). You understand principles of good code structure and write clean, maintainable code, and you can spot … approaches in the team wiki and knowledgebase What we're looking for: Must have skills/experience: Python Front-end development skills (HTML, CSS, JavaScript, or a modern framework such as React) Unit testing experience (Playwright) Teamwork Fast learner Advantageous skills/experience: Java TypeScript (React) Relational/Vector/ ...

product suite, balancing hands-on development with technical leadership.You'll:* Develop and evolve full stack products, building modern applications using React, JavaScript, TypeScript, cloud-native services and well-structured back-end APIs.* Help shape our technical architecture, making thoughtful decisions that support scalable, secure and maintainable products across web, cloud … real-world use.You may thrive in this role if you:* Have strong experience developing modern full stack applications, with hands-on knowledge of React, JavaScript and TypeScript and experience designing or integrating back-end services and REST APIs.* Have experience developing and operating solutions in Microsoft Azure, alongside modern practices ...

Role Purpose We are seeking a highly experienced Principal Software Engineer to provide technical leadership across our technology function, driving the design, delivery, and continuous improvement of enterprise applications and digital services. This is a ...

Software Engineer III (Java & 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. We build and operate a highly available … Understanding of data modelling principles. Ability to work with complex data models. Proficiency 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. ...

CSDM. You will configure and develop ServiceNow solutions, create business rules, and build workflows using Flow Designer and IntegrationHub. Requirements include strong ServiceNow development, JavaScript and Glide API experience, plus familiarity with Flow Designer, REST/SOAP, and CMDB/CSDM concepts. #J-18808-Ljbffr ...

complex incidents. You will diagnose issues, escalate with Product and Engineering, and help improve procedures and tooling to reduce resolution times. Strong debugging in JavaScript/Python and experience with APIs, databases, and CI/CD are essential. #J-18808-Ljbffr ...

collaborating with various teams to ensure demos are consistent and impactful. Qualifications include experience in a B2B SaaS environment, scripting skills in Python or JavaScript, and the ability to automate workflows using AI and Playwright. #J-18808-Ljbffr ...

work closely with product managers, designers and engineers to deliver high-quality, performant user experiences across international audiences. You’ll leverage modern JavaScript, React, Vue, Angular, TypeScript and Webpack within a large frontend codebase, contributing to architectural decisions and a culture of craft and collaboration. #J-18808-Ljbffr ...

seeking a Senior Frontend Developer to join the Customer Identity & Access Management team. You will play a pivotal role in maintaining and evolving our JavaScript SDK, a critical interface that enables secure authentication and seamless integration of our Authentication into client applications across to our customers. This role is ideal ...

play a crucial role in shaping their innovative software. The candidate will be responsible for writing front-end and back-end code in JavaScript and TypeScript, and will work collaboratively on architecture and feature development. Prior experience in the charity sector is preferred as they aim to build technology that ...

will apply user-centred design, wireframes, and prototyping to create accessible, responsive interfaces. A strong portfolio and hands-on experience with HTML, CSS and JavaScript are essential. You’ll collaborate with product owners, developers and stakeholders in a structured, on-site team. #J-18808-Ljbffr ...

bases. The role emphasizes testing, debugging, and documentation to ensure robust, scalable conversational experiences. The ideal candidate has hands-on AI delivery experience, strong JavaScript skills, and a deep understanding of LLM #J-18808-Ljbffr ...

teams to drive successful outcomes in the insurance software space. You will lead requirements gathering, workshops, and solution design, configure systems using SQL and JavaScript, manage relationships, coach junior colleagues, #J-18808-Ljbffr ...

company based in Greater London is seeking a Product Engineer who will help redefine customer relationship management. The candidate will use their expertise in JavaScript and TypeScript to implement product features within a fast-paced engineering team. The role includes delivering innovative user experiences and collaborating closely with talented professionals. ...

tight-knit team driving modern UI with Hotwire. The ideal candidate has 3-5+ years in Ruby at senior level, solid React/JavaScript experience, and excellent communication to contribute ideas in a small team. #J-18808-Ljbffr ...

design and front-end work, and confidence using tools like Figma or Adobe XD. You'll also need working knowledge of HTML, CSS and JavaScript, and a clear understanding of accessibility and responsive design principles. Sound like you? Working Patterns and location – Full time on site #J-18808-Ljbffr ...

correlation and noise reduction. Governance & Optimization: define SOMT governance, standards, and architectural guardrails. Technical Environment: ServiceNow, ITSM, SOMT, CMDB architecture, data modeling, ServiceNow scripting (JavaScript, Glide APIs), Network, server, storage, cloud, HLDs, LLDs + architecture diagrams. ...

noise reduction. Governance & Optimization: define SOMT governance, standards, and architectural guardrails. xehkeey Technical Environment: ServiceNow, ITSM, SOMT, CMDB architecture, data modeling, ServiceNow scripting (JavaScript, Glide APIs), Network, server, storage, cloud, HLDs, LLDs + architecture diagrams. ...

shaped DevOps/Infrastructure Engineer who is comfortable working across multiple technologies and operating autonomously. Essential: Strong experience with VMware Aria Automation Expert-level JavaScript skills Desirable: Experience with Terraform Familiarity with Ansible Background in infrastructure automation, security, recovery or resilience Experience working with large-scale infrastructure environments Why This ...

mainstream risk control rules for business security. Experience independently detecting risk rules and implementing circumvention against human‐machine challenges. Proficiency in forward and reverse JavaScript development, Python scripting. Skill in packet capture and packet tampering tools. Proficiency in mainstream Android security analysis tools and ability to conduct reverse engineering, hooking ...