951 to 975 of 1,322 ECMAScript Jobs in London

or critical areas. Manage technical roadmaps, resource allocation, and project delivery timelines. Stay current with emerging technologies, especially in AI, data processing, and scalable web architectures. Tech Stack Frontend: JavaScript, React Backend: Node.js, Python Infrastructure: AWS/GCP (experience with modern cloud environments is a plus) AI/ML: Exposure to applied AI, data models, or large language models preferred …/CD pipelines About You 7+ years of professional experience in software engineering, with at least 2 years in a leadership or management role. Strong background in full-stack JavaScript development (React + Node.js). Experience working with or integrating AI/ML systems or APIs. Proven ability to lead high-performing teams in a fast-paced, product-led environment. More ❯

or critical areas. Manage technical roadmaps, resource allocation, and project delivery timelines. Stay current with emerging technologies, especially in AI, data processing, and scalable web architectures. Tech Stack Frontend: JavaScript, React Backend: Node.js, Python Infrastructure: AWS/GCP (experience with modern cloud environments is a plus) AI/ML: Exposure to applied AI, data models, or large language models preferred …/CD pipelines About You 7+ years of professional experience in software engineering, with at least 2 years in a leadership or management role. Strong background in full-stack JavaScript development (React + Node.js). Experience working with or integrating AI/ML systems or APIs. Proven ability to lead high-performing teams in a fast-paced, product-led environment. More ❯

.NET Developer - Global Sports Company - London (Tech stack: .NET Developer, .NET 9, C#, Blazor, Azure, JavaScript, HTML5, CSS3, Agile, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is a global sports brand that operates in over 115 countries worldwide. They are the biggest sports company in Europe and the second largest on the planet! Over the past 30 years … .NET Developer that have a strong background in .NET, .NET Core/ASP.NET MVC, C# and Azure SQL. Training will be provided into: .NET 9, Blazor, EF Core, Azure, JavaScript, HTML5, CSS3, Agile, TDD, BDD, Azure SQL and MongoDB. All positions come with the following benefits: 15% bonus Generous pension Private healthcare Training allowance of £9,700 per year Free More ❯

.NET Developer - Global Sports Company – London (Tech stack: .NET Developer, .NET 9, C#, Blazor, Azure, JavaScript, HTML5, CSS3, Agile, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is a global sports brand that operates in over 115 countries worldwide. They are the biggest sports company in Europe and the second largest on the planet! Over the past 30 years … .NET Developer that have a strong background in .NET, .NET Core/ASP.NET MVC, C# and Azure SQL. Training will be provided into: .NET 9, Blazor, EF Core, Azure, JavaScript, HTML5, CSS3, Agile, TDD, BDD, Azure SQL and MongoDB. All positions come with the following benefits: 15% bonus Generous pension Private healthcare Training allowance of £9,700 per year Free More ❯

.NET Developer - Global Sports Company – London (Tech stack: .NET Developer, .NET 9, C#, Blazor, Azure, JavaScript, HTML5, CSS3, Agile, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is a global sports brand that operates in over 115 countries worldwide. They are the biggest sports company in Europe and the second largest on the planet! Over the past 30 years … .NET Developer that have a strong background in .NET, .NET Core/ASP.NET MVC, C# and Azure SQL. Training will be provided into: .NET 9, Blazor, EF Core, Azure, JavaScript, HTML5, CSS3, Agile, TDD, BDD, Azure SQL and MongoDB. All positions come with the following benefits: 15% bonus Generous pension Private healthcare Training allowance of £9,700 per year Free More ❯

.NET Developer (Tech stack: .NET Developer, .NET 9, C#, Blazor, Azure, JavaScript, HTML5, CSS3, Agile, Programmer, Full Stack Engineer, Architect, .NET Developer) Since 2006 our client's revolutionary marketing software platform has been helping businesses all over the world to attract, engage, and delight customers by delivering inbound experiences that are relevant, helpful, and personalized. Having recently launched in the … applicants should be experienced in: .NET, .NET Core/ASP.NET MVC, C# and Azure SQL. You will receive training in all aspects of: .NET 9, Blazor, EF Core, Azure, JavaScript, HTML5, CSS3, Agile, TDD, BDD, Azure SQL and MongoDB. At the centre of our client's culture is freedom and openness which takes a lot of people by surprise. But More ❯

LLM APIs (e.g. GPT, Claude, Gemini) Developing and optimising APIs, embeddings, and backend services for AI systems Writing clean, efficient, and well-documented code in Python and TypeScript/JavaScript Working within cloud environments (AWS, Azure, or GCP) to deploy and scale AI applications Participating in code reviews , technical discussions, and internal R&D projects Collaborating with engineers, product teams … data engineering, or software development Demonstrable experience delivering AI, LLM, or data-driven applications Strong programming skills in Python (e.g. PyTorch, TensorFlow, scikit-learn) and/or TypeScript/JavaScript Familiarity with LLM frameworks (LangChain, LlamaIndex) and vector databases (Pinecone, Weaviate) Understanding of cloud platforms (AWS, Azure, or GCP) and modern development workflows (Git, CI/CD) Excellent problem-solving More ❯

LLM APIs (e.g. GPT, Claude, Gemini) Developing and optimising APIs, embeddings, and backend services for AI systems Writing clean, efficient, and well-documented code in Python and TypeScript/JavaScript Working within cloud environments (AWS, Azure, or GCP) to deploy and scale AI applications Participating in code reviews , technical discussions, and internal R&D projects Collaborating with engineers, product teams … data engineering, or software development Demonstrable experience delivering AI, LLM, or data-driven applications Strong programming skills in Python (e.g. PyTorch, TensorFlow, scikit-learn) and/or TypeScript/JavaScript Familiarity with LLM frameworks (LangChain, LlamaIndex) and vector databases (Pinecone, Weaviate) Understanding of cloud platforms (AWS, Azure, or GCP) and modern development workflows (Git, CI/CD) Excellent problem-solving More ❯

LLM APIs (e.g. GPT, Claude, Gemini) Developing and optimising APIs, embeddings, and backend services for AI systems Writing clean, efficient, and well-documented code in Python and TypeScript/JavaScript Working within cloud environments (AWS, Azure, or GCP) to deploy and scale AI applications Participating in code reviews , technical discussions, and internal R&D projects Collaborating with engineers, product teams … data engineering, or software development Demonstrable experience delivering AI, LLM, or data-driven applications Strong programming skills in Python (e.g. PyTorch, TensorFlow, scikit-learn) and/or TypeScript/JavaScript Familiarity with LLM frameworks (LangChain, LlamaIndex) and vector databases (Pinecone, Weaviate) Understanding of cloud platforms (AWS, Azure, or GCP) and modern development workflows (Git, CI/CD) Excellent problem-solving More ❯

LLM APIs (e.g. GPT, Claude, Gemini) Developing and optimising APIs, embeddings, and backend services for AI systems Writing clean, efficient, and well-documented code in Python and TypeScript/JavaScript Working within cloud environments (AWS, Azure, or GCP) to deploy and scale AI applications Participating in code reviews , technical discussions, and internal R&D projects Collaborating with engineers, product teams … data engineering, or software development Demonstrable experience delivering AI, LLM, or data-driven applications Strong programming skills in Python (e.g. PyTorch, TensorFlow, scikit-learn) and/or TypeScript/JavaScript Familiarity with LLM frameworks (LangChain, LlamaIndex) and vector databases (Pinecone, Weaviate) Understanding of cloud platforms (AWS, Azure, or GCP) and modern development workflows (Git, CI/CD) Excellent problem-solving More ❯

Job Description: We’re looking for a hands-on Senior Software Developer/Technical Lead with strong expertise in Java and Spring frameworks to design, develop, and deliver end-to-end software solutions. Operates effectively with minimal supervision, receiving general More ❯

Job Title: Full Stack Developer – Wine Hub Employment Type: Full-Time Location: London Working Model: Hybrid Reports To: Head of Engineering Company Overview: Wine Owners is a rapidly growing B2B SaaS scale-up that offers innovative software solutions designed for More ❯

Job Title: Full Stack Developer – Wine Hub Employment Type: Full-Time Location: London Working Model: Hybrid Reports To: Head of Engineering Company Overview: Wine Owners is a rapidly growing B2B SaaS scale-up that offers innovative software solutions designed for More ❯

Job Description: We’re looking for a hands-on Senior Software Developer/Technical Lead with strong expertise in Java and Spring frameworks to design, develop, and deliver end-to-end software solutions. Operates effectively with minimal supervision, receiving general More ❯

Job Description: We’re looking for a hands-on Senior Software Developer/Technical Lead with strong expertise in Java and Spring frameworks to design, develop, and deliver end-to-end software solutions. Operates effectively with minimal supervision, receiving general More ❯

Do you love building scalable applications and working with modern PHP frameworks? Are you excited by the chance to develop a fast-growing SaaS platform and see the direct impact of your work? We’re supporting a dynamic tech-driven More ❯

Senior JavaScript Developer 3-4 days p/week in London Paying up to £80k Senior JavaScript Developer – Would you like the opportunity to work for a fast growing start-up who are on a mission to create an AI tutor to help learners? They’re currently building an all-in-one platform for aiding students to achieve their full … potential. AI is at the heart of everything they do, from their products to the way they work as a team. As a Senior JavaScript Developer, you will be joining a small team, where you will build, scale, and maintain high-quality fullstack applications while collaborating closely with product and design to deliver end-to-end features. The ideal candidate … and AI. Key requirements: 5+ years of fullstack development experience. Strong skills in React, TypeScript Node AWS Experience integrating AI/ML via APIs If you’re a Senior JavaScript Developer who enjoys the idea of working in an EdTech Start-up, please apply. More ❯

Senior JavaScript Developer 3-4 days p/week in London Paying up to £80k Senior JavaScript Developer – Would you like the opportunity to work for a fast growing start-up who are on a mission to create an AI tutor to help learners? They’re currently building an all-in-one platform for aiding students to achieve their full … potential. AI is at the heart of everything they do, from their products to the way they work as a team. As a Senior JavaScript Developer, you will be joining a small team, where you will build, scale, and maintain high-quality fullstack applications while collaborating closely with product and design to deliver end-to-end features. The ideal candidate … and AI. Key requirements: 5+ years of fullstack development experience. Strong skills in React, TypeScript Node AWS Experience integrating AI/ML via APIs If you’re a Senior JavaScript Developer who enjoys the idea of working in an EdTech Start-up, please apply. More ❯

Are you an experienced JavaScript Developer with a passion for building solutions that power the utilities sector? One of my clients are hiring on a contract basis to help deliver technology that keeps the UK’s essential services running smoothly. What You’ll Do: Develop and maintain scalable web applications for utility clients Work with modern JavaScript frameworks (React, Node.js … platforms (AWS, Azure, or GCP) Collaborate remotely with cross-functional teams (Product, UX, Data) Contribute to best practices and technical decisions What We’re Looking For: Strong experience with JavaScript (ES6+) Proficiency in React, Node.js, or similar frameworks Experience in the utilities sector is a plus Solid understanding of REST APIs and cloud environments Agile team experience and excellent communication More ❯

Are you an experienced JavaScript Developer with a passion for building solutions that power the utilities sector? One of my clients are hiring on a contract basis to help deliver technology that keeps the UK’s essential services running smoothly. What You’ll Do: Develop and maintain scalable web applications for utility clients Work with modern JavaScript frameworks (React, Node.js … platforms (AWS, Azure, or GCP) Collaborate remotely with cross-functional teams (Product, UX, Data) Contribute to best practices and technical decisions What We’re Looking For: Strong experience with JavaScript (ES6+) Proficiency in React, Node.js, or similar frameworks Experience in the utilities sector is a plus Solid understanding of REST APIs and cloud environments Agile team experience and excellent communication More ❯

weeks) The second step includes a selection of more advanced courses to get you up to speed. Learn the Command Line (1.5 weeks) Learn Git & GitHub (1.5 weeks) Learn JavaScript (1.5 weeks) Learn Python 3 (1.5 weeks) JavaScript forms the foundation of almost everything you see on the Internet, so it will be essential! Python is highly versatile. You can More ❯

weeks) The second step includes a selection of more advanced courses to get you up to speed. Learn the Command Line (1.5 weeks) Learn Git & GitHub (1.5 weeks) Learn JavaScript (1.5 weeks) Learn Python 3 (1.5 weeks) JavaScript forms the foundation of almost everything you see on the Internet, so it will be essential! Python is highly versatile. You can More ❯

weeks) The second step includes a selection of more advanced courses to get you up to speed. Learn the Command Line (1.5 weeks) Learn Git & GitHub (1.5 weeks) Learn JavaScript (1.5 weeks) Learn Python 3 (1.5 weeks) JavaScript forms the foundation of almost everything you see on the Internet, so it will be essential! Python is highly versatile. You can More ❯

weeks) The second step includes a selection of more advanced courses to get you up to speed. Learn the Command Line (1.5 weeks) Learn Git & GitHub (1.5 weeks) Learn JavaScript (1.5 weeks) Learn Python 3 (1.5 weeks) JavaScript forms the foundation of almost everything you see on the Internet, so it will be essential! Python is highly versatile. You can More ❯

weeks) The second step includes a selection of more advanced courses to get you up to speed. Learn the Command Line (1.5 weeks) Learn Git & GitHub (1.5 weeks) Learn JavaScript (1.5 weeks) Learn Python 3 (1.5 weeks) JavaScript forms the foundation of almost everything you see on the Internet, so it will be essential! Python is highly versatile. You can More ❯