151 to 175 of 289 JavaScript Jobs in Central London

for someone with a great attitude who is happy to go the extra mile. Skills and experience: 5+ years of professional experience as a software engineer. Ideally, experience with JavaScript/Typescript and GCP Strong system design experience. Able to explain architectural trade-offs. Strong backend development skills and experience designing resilient systems. Strong experience building secure and performant REST More ❯

product and design teams to build intuitive, high-performing apps that help our users manage their money effortlessly. Essential skills: 3+ years of experience in React Native development. Strong JavaScript/TypeScript skills. Experience integrating with REST APIs and/or GraphQL. Familiarity with native mobile development (Swift, Objective-C, Java, or Kotlin) is a plus. Understanding of mobile UI More ❯

engineers upskill on GenAI relevant techniques and tools Technical Requirements 6+ years of development competency across a variety of languages, frameworks, and tooling, such as Python, R, Kubernetes, Kubeflow, JavaScript/JVM, Kafka 4+ years of years of experience in designing, developing, deploying, and monitoring machine learning and GenAI solutions 2+ years of experience in Application development, deployment, and monitoring More ❯

/NoSQL). Mentor teams and shape technical strategy for global brands. What we’re looking for: Proven experience in client-facing engineering roles. Full Stack development expertise (Python, JavaScript). Hands-on cloud experience (Azure or GCP). Integration with Generative AI services and AI/ML patterns (RAG, MLOps). Strong database management skills. Nice-to-have: Cloud More ❯

and over the phone) Understanding of SQL and generating simple queries Knowledge of HTML and at least two of the following technologies; PHP, Perl, JAVA, JSP/JSF, Ruby, Javascript or ASP.Net Excellent analysis, troubleshooting and debugging skills, in particular with web workflow and websites Ability to handle a wide variety of sometimes demanding and complex issues SDK/Mobile More ❯

Deep knowledge of the HTML Canvas API, Web Workers, and virtualization techniques. Visualization: Experience building dynamic, query-driven visualization systems (D3.js or equivalent). Asynchronous state management: Mastery of JavaScript concurrency and experience with libraries such as TanStack Query or SWR. Modern frameworks: Several years of experience with React or Vue, including advanced state management (Zustand, Redux, Pinia). TypeScript More ❯

.NET Developer, .NET 9, C#, Azure, JavaScript, Agile - London (Tech stack: .NET Developer, .NET 9, ASP.NET, C#, React, Angular 19, Microservices, Vue.js, TypeScript, Azure, Web API 2, Agile, Azure SQL, Programmer, Full Stack Engineer, Architect, .NET Developer, Urgent)Be the first of your friends to declare, "I love where I work!" and actually mean it. Laugh hard and work hard … Developer candidates should have strong experience with: .NET, .NET Core/ASP.NET MVC, C# and Azure SQL. Our client will provide you with industry recognised training into: .NET 9, JavaScript, React, Angular 19, Microservices, MongoDB, Vue.js, TypeScript, Azure, AWS, Web API 2, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and MongoDB. Their benefits include the following: Bonus More ❯

and scalability, this is your opportunity to make an impact! Your Role: Designing, developing, and maintaining both front-end and back-end components of web and mobile applications using JavaScript, Node.js, and modern frameworks and libraries, with strong Angular JS , and others such as React, or Vue.js. Collaborating with architects and other developers to design robust, scalable, and secure architectures … Staying up to date with the latest industry trends and technologies and drive continuous learning and innovation within the team. Your skills and experience Proven experience in full stack JavaScript development, with a strong focus on Angular JS Experience of at least one leading Node framework (Express.js, Nest.js, Hapi.js) Expertise in at least one modern front-end framework (Nest.js, Remix.js … . Proficiency in HTML5, CSS3, and JavaScript (ES6+). Experience with TypeScript and modern development tools and practices. Experience of Test Driven or Behaviour Driven Development. Knowledge of Cloud development and serverless architectures (AWS, Azure, Google Cloud). Familiarity with CI/CD pipelines and DevOps practices. If you’re ready to take the next step in your career and More ❯

Senior Full Stack Software Developer Tech : AWS, NodeJS, TypeScript, JavaScript, ReactJS, React Native Why? start-up financial services, revolutionising the industry Location : Hybrid - 1/2 days in the office (Central London) Our Client A new UK-based financial services provider is launching credit card, personal loans and insurance offerings aimed at delivering fair, flexible, and user-friendly financial products … similar role with a strong portfolio of projects. Expertise in Node.js and AWS Lambda for serverless backend services. Proficiency in React with Next.js for frontend development. Proficiency in TypeScript, JavaScript and experience with infrastructure as code using Terraform. Ideal experience with React Native Understanding of RESTful APIs and web application architecture. Experience in a start-up environment. Bachelor’s or … Master’s degree in Computer Science, Engineering, or a related field, or equivalent experience. Familiarity with RESTful APIs and mobile libraries for networking. Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model. Experience with automated testing suites, like Jest or Mocha. Excellent problem-solving skills and the ability to think algorithmically. Experience with cloud message APIs and More ❯

Developers to join their small, collaborative team 📊 💸 Salary: £45,000 – £55,000 🏢 Working Arrangements: Hybrid in London (3 days a week in the office) 💻 Tech Stack: Ruby on Rails, JavaScript, DevOps tooling's, AWS This is a backend focused role although any frontend experience is a bonus. It's a great opportunity to work on exciting projects in an environment More ❯

Developers to join their small, collaborative team 📊 💸 Salary: £45,000 – £55,000 🏢 Working Arrangements : Hybrid in London (3 days a week in the office) 💻 Tech Stack: Ruby on Rails, JavaScript, DevOps tooling's, AWS This is a backend focused role although any frontend experience is a bonus. It's a great opportunity to work on exciting projects in an environment More ❯

to non-technical audiences. Experience of using advertising technologies such as pixels, ad servers, auctions and delivery. Experience working with web technologies, including, but not limited to: HTML, CSS, JavaScript, HTTP. Experience working with SQL and RESTful APIs More ❯

AWS infrastructure. Essential Skills Demonstrable experience of using a dynamic language such as Ruby RDBMS experience (such as MySQL or PostgreSQL) Some experience, or a desire to work, with JavaScript Some experience with Linux and/or Mac OS command line Experience using a source control system such as Git Familiarity with unit testing or functional testing frameworks Ability to More ❯

understanding of ServiceNow upgrade/refresh processes. Experience with ITSM, ITOM, CMDB, and custom applications within ServiceNow. Familiarity with ServiceNow clone management and instance synchronization. Knowledge of ServiceNow scripting (JavaScript, Glide API) a plus. Excellent problem-solving, documentation, and communication skills. ServiceNow CSA or CIS certification preferred. More ❯

AWS infrastructure. Essential Skills Demonstrable experience of using a dynamic language such as Ruby RDBMS experience (such as MySQL or PostgreSQL) Some experience, or a desire to work, with JavaScript Some experience with Linux and/or Mac OS command line Experience using a source control system such as Git Familiarity with unit testing or functional testing frameworks Ability to More ❯

quality creative and technical solutions. Balance creativity with functionality, ensuring designs not only look great but work seamlessly. What they’re looking for: Strong knowledge of HTML, CSS, and JavaScript (and ideally some back-end experience). Solid design skills across digital and graphic formats, with a good understanding of layout, typography, and UI/UX. Someone who enjoys collaborating More ❯

a modern, agile delivery model. Practical experience using Cypress or Playwright as core tooling for web UI + functional validation. Strong, hands-on background building and scaling automation in JavaScript/TypeScript based frameworks. Solid grounding in API testing, data validation, and the patterns/heuristics that make those reliable. Comfortable working within contemporary CI/CD ecosystem Interview Process More ❯

campaign briefs and interpret requirements effectively. Strong understanding of digital marketing principles, particularly in email, SMS, and push channels. Experience in IP Warming Advantageous but not essential Knowledge of JavaScript, Liquid script, AMPscript, HTML, and CSS. (Bonus not a must have), Proficiency in data querying (SQL). Experience with other marketing tools like Adobe Target, Litmus, Google Analytics, Taxi, Moveable More ❯

degree in Computer Science, Engineering, Maths, Physics or similar - Understanding of relational databases or CRM Systems - Experience working with project based work - Skills in SQL, HTML, CSS, SSRS and JavaScript REF: AR134098Tiger is B Corp Certified. We are part of a global movement of businesses committed to improving social and environmental conditions around the world. More ❯

product leadership within fintech, trading, or other regulated financial environments. Strong understanding of internal systems supporting compliance, risk, and operational functions. Technical fluency, able to review code (Python or JavaScript) and engage confidently with engineering teams. Experience with low-code/no-code solutions is advantageous. Excellent communication and stakeholder management skills; comfortable working cross-functionally. Strategic, entrepreneurial mindset with More ❯

Understanding of relational databases or CRM Systems - Experience working in a consultancy environment would be ideal - Experience working with project based work - Skills in SQL, HTML, CSS, SSRS and JavaScript REF: AR124084 Tiger is B Corp Certified. We are part of a global movement of businesses committed to improving social and environmental conditions around the world. More ❯

and trends. What you'll bring: Hands-on experience with LLMs (e.g. GPT, Claude, LLaMA) and prompt engineering. Familiarity with LangChain, LlamaIndex, or similar frameworks. Proficiency in Python or JavaScript for prototyping and integration work. Experience using automation platforms (UiPath, Power Automate, Zapier, n8n) and APIs. Knowledge of vector databases and embeddings for RAG pipelines. Excellent communication skills and the More ❯

of frontend performance, accessibility, and 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/UX craftsmanship and accessibility. Familiarity with More ❯

real-time data collectors and AI specialists to elite journalists and cloud engineers, our team turns raw numbers into magic. Our tech experts work with advanced cloud solutions, Java, JavaScript, and Python, using AI and machine learning to extract insights and deliver them via APIs. Were looking for a visionary and commercially astute leader to join our Rights team as More ❯

attitude towards learning and adapting to new technologies and industry best practices Ability to work autonomously as well as collaboratively within a team setting Proficiency in Java, .NET and JavaScript Experience working with AWS and Infrastructure as Code Experience in supporting a trading or investment platform Information Technology degree or equivalent experience CMC Markets is an equal opportunities employer and More ❯