201 to 225 of 288 JavaScript Jobs in Central London

prepare test cases, data and expected results Scope and design regression testing (manual & automated) Monitor and report testing of large systems Automation of Front-End testing using Playwright with JavaScript/Typescript. Experience in creating a QA test suite from scratch for a client portal. Experience in automating tests and report generation. Create and maintain strong working relationships, with internal … the full project lifecycle experience Experience in testing Finance Markets applications, including Cash Equities Experienced with Playwright or other testing tools such as Selenium Strong knowledge of HTML, CSS, JavaScript/Typescript, ideally with some Python, .NET and Java Some knowledge of React Strong analytical skills combined with a structured methodical and hands-on approach with passionate attention to detail More ❯

Lead Engineer – NodeJS Developer Salary: Up to £100000 + Benefits + Bonus NodeJS, JavaScript, TypeScript, React Framework, AWS, Kubernetes, Docker, Digital Investments. SQL, Harrington Starr has partnered with an innovative Digital Currency Investment Platform Company that specialise in developing unique software systems for clients for invest into Digital Markets from Pensions, Investments and Fund Management. This is an exciting opportunity … to join a small team within a large organisation and get the experience to utilise the JavaScript ecosystem. This organisation are developing cutting edge web-systems, which are being used globally and are offering the opportunity for you to play a pivotal role within the full software development life cycle. We are looking for an experienced Full Stack Engineer with … NodeJS, JavaScript, TypeScript and NodeJS and including cloud technologies. You will have a degree in computer science from a reputable University and have a good understanding of JavaScript TypeScript and React Framework. Key requirements within this opportunity are as follows: Experience with NodeJS Solid experience with JavaScript and TypeScript Experience with Azure Cloud Experience with Kubernetes and Docker. Any experience More ❯

by example, applying Agile and DevOps principles effectively. Maintain a pragmatic, product-focused approach to ensure work consistently meets their clients' needs. Work across a variety of technologies, including JavaScript and TypeScript, and possess a comprehensive understanding of common patterns across the full stack of applications. Take pride in the growth and development of your team members. Skills & Experience Experience … in software development with a focus on full-stack technologies, including JavaScript and TypeScript. Extensive knowledge of the entire software development lifecycle. Proficiency in developing cloud-native applications on platforms like AWS, Azure, or GCP. Expertise in defining testing strategies and implementing test automation, with a preference for TDD or BDD. Experience in implementing CI/CD practices, including version … provide significant value to their clients. Exceptional communication skills and a collaborative team player who values building strong relationships with colleagues and clients. Comfortable with multiple programming languages, including JavaScript and TypeScript, and willing to dive into coding when necessary. A solid understanding of the services offered by major public cloud providers (AWS, Azure, GCP) and a track record of More ❯

influence on both the technology and the direction of the platform. What You’ll Do Build new features across the backend and frontend Work with .NET and a modern JavaScript framework (React used internally) Help shape the architecture as the platform scales Work closely with founders, engineers and product teams Take ideas from concept to production What You Need Experience … building software with .NET or another modern backend language Experience with JavaScript/TypeScript on the frontend Comfortable working with APIs and databases Good problem-solving skills and ability to take ownership Keen to work in a startup environment where things move fast Nice to Have (Not Essential) Cloud experience (Azure, AWS or GCP) Worked in startups or on SaaS More ❯

.NET Developer, .NET 9, C# - Global Internet Icon - London (Tech stack: .NET Developer, .NET 9, C#, Blazor, Azure, JavaScript, HTML5, CSS3, Agile, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client has long been a classic internet icon; today it has evolved into an integrated and diversified modern media company. We are seeking .NET Developer to work on one of … applicants should have a skill set that encompasses: .NET, .NET Core/ASP.NET MVC, C#, Azure SQL. Full training will be provided into: .NET 9, Blazor, EF Core, Azure, JavaScript, HTML5, CSS3, Agile, TDD, BDD, Azure SQL and MongoDB. Our client offers a truly refreshing working environment including: flexible working hours, home working, casual dress code, onsite gym and games More ❯

.NET Developer - .NET 9, C#, Blazor, Azure - 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 crowd funded social advertising technology platform that sells services to Facebook advertisers to grow their marketing ROI. They were recently named one of 12 Facebook Strategic Preferred Marketing … should have a skill set that includes: .NET, .NET Core/ASP.NET MVC, C# and Azure SQL. Full training will be provided into: .NET 9, Blazor, EF Core, Azure, JavaScript, HTML5, CSS3, Agile, TDD, BDD, Azure SQL and MongoDB. This is an amazing opportunity to join a firm that has revolutionized its industry and to work on groundbreaking software development More ❯

.NET Developer, Graduate/Junior - Computer Gaming Company - London (Tech stack: Graduate/Junior .NET Developer, .NET 9, C#, Blazor, Azure, JavaScript, HTML5, CSS3, Agile, Programmer, Full Stack Engineer, Architect, Graduate/Junior .NET Developer) Having sold over 100 million games consoles and over 500 million games over the last decade, my client is undoubtedly the world's most recognised … or through a placement year in industry. You will follow the firm's career progression programme and will receive industry recognised training in: .NET 9, Blazor, EF Core, Azure, JavaScript, HTML5, CSS3, Agile, TDD, BDD, Azure SQL and MongoDB. This is a truly amazing opportunity to work for a forward thinking and progressive company, one that can provide you with More ❯

.NET Developer - Europe's Largest Radio Station Group - London (Tech stack: .NET Developer, .NET 9, C#, Blazor, Azure, JavaScript, HTML5, CSS3, Agile, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is Europe's largest and most profitable commercial radio group. In order to keep pace with the new digital technologies being developed, they are transforming their stations into interactive … set that encompasses: .NET, .NET Core/ASP.NET MVC, C# and Azure SQL. Our client can provide you with industry recognised training in: .NET 9, Blazor, EF Core, Azure, JavaScript, HTML5, CSS3, Agile, TDD, BDD, Azure SQL and MongoDB. This is an exciting opportunity to work on complex enterprise level .NET/C# software development projects. Our client offers a More ❯

.NET Developer (Tech stack: .NET Developer, .NET 9, C#, Blazor, Azure, JavaScript, HTML5, CSS3, Agile, Programmer, Full Stack Engineer, Architect, .NET Developer) Established in 1962 our client is a leading global media company; its commercial arm comprises of some of the largest television channels across the Globe and market leading cinema screen advertising businesses. We are seeking several .NET Developer … SQL. You should have a strong grasp of object orientated (OO) development principles. Our client can provide you with industry recognized training in: .NET 9, Blazor, EF Core, Azure, JavaScript, HTML5, CSS3, Agile, TDD, BDD and MongoDB. You will follow a structured a career development programme with the view to being promoted to the position of Team Leader/Development 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 (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 ❯

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 ❯

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 ❯

Python Developer - Python, Django, REST API's, AWS, JavaScript OB are partnered with a Global Financial Services company, who are looking to add a highly skilled Python Developer to their team. In this role, you'll be working their Python backend systems, developing new features and collaborating with different teams, to ensure product goals are met. Python Developer - Python, Django … REST API's, AWS, JavaScript Key Skills and Experience: Strong knowledge of Python Experience with Python frameworks (Django preferred) PostgreSQL REST API'S Docker Cloud experience (AWS preferred) Knowledge of Frontend Technologies (JavaScript, HTML, CSS) This is a hybrid role with 2-3 days a week required in a London based office Base salary of £75k-£90k depending on skills … and experience To be considered, you must be UK based Python Developer - Python, Django, REST API's, AWS, JavaScript More ❯

Software Engineer (JavaScript/Node.js/AWS -Hybrid (2-3 days)- London- Salary £80k About the Company About Us We’re a small but ambitious tech start-up building scalable, AI-powered software that’s reshaping how businesses operate. Our team is lean, fast-moving, and focused on delivering products that make a real impact. We’re now looking for … ll take ownership of core platform development, designing and building backend services, integrating cloud infrastructure, and helping us scale quickly and reliably. You’ll be working with a modern JavaScript stack and AWS-based architecture to deliver performant, production-grade systems. What You’ll Do Design, build, and maintain backend systems using Node.js and JavaScript/TypeScript Develop and deploy … teams to deliver seamless user experiences Contribute to technical architecture and best practices Build with scalability, performance, and security in mind What We’re Looking For Strong experience with JavaScript/Node.js in a production environment Hands-on experience with AWS services Familiarity with REST APIs, microservices, and modern CI/CD workflows Comfortable working in a fast-paced, collaborative More ❯

La Fosse has partnered with a global leader in customer loyalty and travel services. We're looking for a Senior Software Engineer with a strong background in full-stack JavaScript (Backend JS leaning) to join their growing team. Your mission: Build greenfield systems from the ground up, with opportunities to explore AI, automation, and industry-leading engineering practices. What They … re Looking For 6+ years of technical experience with the Full Stack JavaScript ecosystem Experience leading the design, development, and operation of innovative software solutions Strong skills in modern web development (Node.js, AWS, TypeScript) and a solid understanding of web architecture Proficiency in building and managing APIs (GraphQL & RESTful) and strong database fundamentals (MongoDB) In-depth knowledge of AWS services More ❯

and will see the business impact of. There's a focus on C# .Net backend and API development although you'll also have elements of front end work with JavaScript and React.js. Location: You'll be based in plush City office on a fulltime basis, Monday to Friday. About you: You have expertise with C# .Net, ASP.Net development You have … a strong knowledge of databases (SQL or Oracle) You're comfortable with JavaScript/React You have a thorough knowledge of Computer Science fundamentals such as OOP, Design Patterns, Data Structures, Algorithms You are collaborative with excellent communication and stakeholder management skills You are degree educated in Computer Science or similar technical discipline What's in it for you: As More ❯

based tech stack in an agile environment , contributing to a fast-evolving product with real-world impact. Key Responsibilities Design, develop, and maintain scalable web applications using PHP, MySQL, JavaScript, and jQuery Write clean, well-documented code following best practices Collaborate with developers, designers, and stakeholders in Agile sprints Participate in code reviews, sprint planning, and daily standups Debug and … to continuous improvement of tools, processes, and technologies Required Skills & Experience Minimum 3 years’ experience in a software engineering role Strong proficiency in: PHP (Laravel or similar frameworks) MySQL JavaScript & jQuery Linux environments and CLI tools Solid front-end development skills with a focus on UX/UI Experience working in Agile development environments Strong problem-solving and communication skills More ❯

based tech stack in an agile environment , contributing to a fast-evolving product with real-world impact. Key Responsibilities Design, develop, and maintain scalable web applications using PHP, MySQL, JavaScript, and jQuery Write clean, well-documented code following best practices Collaborate with developers, designers, and stakeholders in Agile sprints Participate in code reviews, sprint planning, and daily standups Debug and … to continuous improvement of tools, processes, and technologies Required Skills & Experience Minimum 3 years experience in a software engineering role Strong proficiency in: PHP (Laravel or similar frameworks) MySQL JavaScript & jQuery Linux environments and CLI tools Solid front-end development skills with a focus on UX/UI Experience working in Agile development environments Strong problem-solving and communication skills More ❯

and effectively. Understand, respond to, and address customer needs and issues with empathy and timeliness. Required Skills: Proficiency in Python or another typed, object-oriented programming language Proficiency in Javascript and React would be highly beneficial Good knowledge of software methodologies, tools, and typical architectural patterns. Experience with trading and risk management solutions is preferred, but not essential. Experience designing More ❯

Full Stack JavaScript Developer/Engineer (JavaScript Vue.js Node) London to £80k Are you a collaborative JavaScript technologist? You could be progressing your career as a Full Stack JavaScript Developer at a scale-up tech company, that enables smart matching for commercial van drivers and consumers, via job bidding and route optimisation, streamlining processes and delivering CO2 carbon neutral t More ❯

partnering with a successful technology consultancy that is expanding its Software Development team. This is an excellent opportunity for a proactive and committed Software Developer with experience in C# , JavaScript, and SQL to contribute to impactful projects across a diverse client base. About the role As a Software Developer, you will be working on the development, and maintenance of their … with colleagues across the technical team to ensure solutions are aligned with client needs and project goals. Required Skills & Experience Proficiency in C# .NET . Hands-on experience with JavaScript and/or JavaScript frameworks (Angular, React, or Vue.js). Strong knowledge of SQL Server and database development. Experience building and implementing APIs . Excellent communication and stakeholder engagement skills. More ❯

JavaScript Engineer Salary: Up to £85k Location: 3 days p/week in London (opportunity to work outside the UK for 2 months) JavaScript Engineer - would you like the opportunity to join an early-stage start-up currently seeking a JavaScript Engineer? You will be joining a small technology team who have a passion for innovation, collaboration, and providing the … best service to their customers as well as embracing new ideas, technologies and approaches. As a JavaScript Engineer, you will be joining the organisation at one of the most exciting times. The ideal candidate is motivated by real ownership and self-direction, as well as being part of a journey. Requirements: Fullstack JavaScript and AWS experience. Enjoy the ideal of More ❯