326 to 350 of 625 JavaScript Jobs in London

programme with a linked job role is perfect for those who have 1.5+ years of experience in Software or Data Engineering (Python), Java or JavaScript and are looking to progress their career and move into a Mid-Level technical role with a new and exciting opportunity with ...

developer experience at an agency, working with digital sales and/or marketing solutions Extensive knowledge of technologies such as SQL, AMPscript and JavaScript (marketing domain knowledge is a plus) Experience in Workflow Engines as well as HTML and CSS plus knowledge of one or more programming languages Great communication ...

portal design Strong understanding of Salesforce Lightning, Aura, and LWC component development Familiarity with Salesforce data model, APIs, and integration techniques Experience with JavaScript, HTML, CSS, and other web technologies Salesforce certifications related to Experience Cloud or Lightning is highly desirable Excellent problem-solving skills with strong attention to detail ...

development, including code quality, testing, and performance optimisation. You Should Have Strong commercial experience as a front end developer, delivering production Web applications. Excellent JavaScript and TypeScript skills, with strong experience building UI with React. Solid HTML5 and CSS skills, including building responsive interfaces that work well across devices ...

development, including code quality, testing, and performance optimisation. You Should Have Strong commercial experience as a front end developer, delivering production Web applications. Excellent JavaScript and TypeScript skills, with strong experience building UI with React. Solid HTML5 and CSS skills, including building responsive interfaces that work well across devices ...

certifications Experience across 3 product lines outside of ITSM (e.g. ITOM, ITAM, HAM/SAM, SPM, HR, CSM, etc.) Advanced scripting and integration skills JavaScript, SQL, API Web Services Experience integrating ServiceNow with cloud infrastructure (e.g. AWS, Azure, GCP) What's in it for you Competitive basic salary plus ...

enabled products or intelligent workflow solutions. Exposure to compliance, operations, RegTech, FinTech, or enterprise software environments. Familiarity with design systems and accessibility standards. Basic JavaScript or front-end framework knowledge. What's on Offer? £60,000 - £70,000 base salary Performance-related bonus Comprehensive benefits package Significant ownership and autonomy ...

Good knowledge of architecture and implementation of native Android or/and iOS apps, experience with full mobile development life cycle. · Profound expertise in JavaScript, TypeScript, and related frameworks and libraries. · Familiarity with Git for version control and experience working in agile development environments. · Adept problem solver with a history ...

Navigating Ambiguity & Fast-Changing Priorities within an Early-Stage B2B Scale-Up. Bonus: Hands-On Workflow Orchestration, LLMS or Basic Frontend Prototyping (eg Scripting JavaScript, React, C#./Net or UI Frameworks). Responsibilities: Design AI Solutions: Craft Key Use Cases & Automated Remediation Workflows directly within an Intelligent Security Workspace. ...

skills Desirable Experience CRM/marketing automation experience (e.g. Klaviyo) AI-assisted content creation at scale API or system integration exposure Basic coding (Python, JavaScript, SQL) Google Analytics/Cloud/digital marketing experience Understanding of SEO, GEO, or AI search optimisation Experience with AI agents or frameworks (OpenAI, LangChain ...

reviews, appropriate testing, proper rollout, monitoring, and proactive changesExperience in programming languages such as C, C++, or Java, and scripting languages such as Python, Javascript, or HackExperience building large-scale infrastructure applications or similar experienceDemonstrated ability to integrate AI tools to optimize/redesign workflows and drive measurable impact (e.g. ...

Experience with Microsoft Power Platform, SharePoint, Teams, and Microsoft 365 ecosystems. Experience with DocuSign, Contract Lifecycle Management (CLM), or Document Management System (DMS) integrations. JavaScript and/or C# development experience. TOGAF, Azure, or other architecture-related certifications. Experience supporting pre-sales activities, solution estimation, and proposal development. Experience leading ...

engineering background strongly preferred Collaborative mindset with experience partnering across Sales, Product, and Customer Success teams Comfort with SQL and scripting (e.g., Python or JavaScript) What we offer We're a small, focused team that cares deeply about the quality of our work and the people we do it with. ...

About you: Previous experience in enterprise solution selling, including Fortune 500 accounts and cross-functional decision-makers up to C-level Strong coding chops — JavaScript, React, APIs, JSON, Git — with the ability to design and demonstrate working technical solutions Exceptional communication skills: you can make a complex architecture feel obvious ...

Science, Software Engineering, Mathematics, or Physics At least 6+ years working with a variety of programming languages such as Java, Python, C++, Rust, Go, JavaScript, etc. At least 2+ years previous experience as a technical lead or people manager of software engineers Experience building software solutions involving significant amounts ...

Datadog, or similar). Strong technical foundation: Demonstrated ability to write production-quality code and solve hard technical problems (experience with Python, TypeScript/JavaScript, systems programming, or browser internals is valuable). On-call experience: you know how to triage issues under pressure, drive them to resolution, and write ...

Experience using Postman/Testfully/APIDog/Postcode/etc... to test and troubleshoot APIs Nice to have Hands-on experience with SQL, Javascript, Python, and/or Golang Flow creation with tools like LucidChart, Miro, Microsoft Visio, etc... About the company Zero Hash is a trailblazing company that ...

enthusiastic, strong, technical generalist Good knowledge in agentic AI, inference, codegen, agent frameworks (e.g., OpenClaw, Hermes), and industry trends Working knowledge of SQL, JavaScript, Python, APIs, etc. Familiarity with AI-assisted development and agentic coding tools (Claude Code, Cursor, Codex) and the Model Context Protocol (MCP) is a plus Experience ...

keys, JWT), webhooks, and integration architecture; you can review an integration design and immediately identify what's wrong Comfortable reading and discussing code (JavaScript, Python, or similar) and engaging at technical depth with developers without needing to write production code yourself Track record of owning measurable outcomes: time-to-live ...

constraints.Hands-on ability to prototype: capable of using APIs/SDKs from major LLM providers and writing simple code (e.g., Python or TypeScript/JavaScript) to stitch together prompts, tools, and agent workflows.Proven track record of taking 01 product ideas from concept through prototype to launched features, with clear impact ...

with intention, and are excited to reach ambitious goals together with your team. Nice-to-haves TypeScript/Node.js familiarity: You’ve worked with JavaScript/TypeScript and Node.js and could quickly build context in our stack. Open-source or developer tooling interest: You’re excited by technical products, builder ...

Skills and Experience Needed With modern frontend build pipelines and tools, Also very desirable: Experience using GatsbyJS or NextJS Familiarity with Typescript Knowledge of Storybook and Design Systems Would be good: Knowledge of Contentful, Dynamic ...

TypeScript Software Engineer - FinTech SaaS Platform - London/Hybrid (Tech stack: TypeScript, Node.js, React, Next.js, JavaScript, REST APIs, PostgreSQL, Docker, Kubernetes, AWS, Azure, GitHub Copilot, AI Development Tools, Microservices, Software Engineer, Full Stack Developer, TypeScript Developer) Our client is a rapidly growing FinTech SaaS company transforming the way financial institutions … from the ground up rather than maintain legacy systems. Working within a highly collaborative engineering team, you'll develop scalable applications using TypeScript, modern JavaScript frameworks and cloud technologies, while influencing architecture, engineering standards and best practice from day one. The business has an AI-first engineering culture, encouraging developers ...

backend engineers, architects, UX designers, and business stakeholders to deliver secure, data-driven solutions in a highly regulated environment. Tech Stack Frontend React TypeScript JavaScript (ES6+) HTML5 CSS3 Backend Exposure Node.js REST APIs GraphQL Nice to Have Next.js AI integrations (OpenAI, Azure AI, or similar) Essential Skills & Experience Strong commercial … experience building enterprise-grade frontend applications using React Advanced JavaScript and TypeScript development skills Solid understanding of responsive design, modern UI development, HTML5, and CSS3 Experience developing reusable component libraries and scalable frontend architectures Proven experience integrating RESTful APIs, GraphQL services, and third-party platforms Experience with state management solutions ...

Llama, Gemini) and applying them to real‐world problems. Strong backend engineering expertise, including RESTful APIs and micro‐services design. Proficiency in Python/JavaScript and familiarity with AI frameworks (e.g., LangChain, PydanticAI). Solid understanding of cloud computing (AWS, GCP, or Azure), containerisation (Docker, Kubernetes), and Infrastructure‐as‐Code … thrive in fast‐paced environments. Excellent communication and collaboration skills across diverse teams. Preferred qualifications: Proficiency in C# or Java. Frontend development experience with JavaScript/TypeScript and frameworks such as React. Experience developing Generative AI applications, including model fine‐tuning and prototyping. Awareness of ethical AI practices and emerging ...