101 to 125 of 126 JavaScript Jobs in the City of London

.NET Developer, .NET 10.0, C# 14 - Digital Download Site - London (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET, Azure AI, Programmer, Full Stack Engineer, Architect, .NET Developer)With operations in over 20 countries our client has fast become … .NET Core, C# and Azure SQL. You will be trained in all aspects of: .NET 10.0, ASP.NET Core, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET, Azure AI, Azure, Bootstrap, Agile and MongoDB. Top performers can expect to receive their first promotion (and pay rise) within ...

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 … 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 ...

.NET Developer - London (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Blazor, JavaScript, React, Microservices, Azure, ASP.NET Core Web API, Agile, Azure SQL, Programmer, Full Stack Engineer, Architect, .NET Developer) After 15 years' experience in the fashion industry, our client has a mission to change the way people … excellent experience of: .NET, .NET Core, C# and Azure SQL. There are opportunities for training into technologies such as: .NET 10.0, C# 14, Blazor, JavaScript, React, Microservices, Azure, ASP.NET Core Web API, Agile, Azure SQL, Solid, DRY, LINQ and MongoDB. Their benefits include the following: Bonus (10-15%). Share ...

hands-on, meaningful engineering work with real impact - not just bug fixing or maintenance. Tech Stack You’ll Learn Frontend: TypeScript, React, Next.js Backend: JavaScript/Python (FastAPI or similar), PostgreSQL Cloud: AWS (API Gateway, Lambda, Timestream DB, IoT Core) DevOps: Docker, CI/CD pipelines Data: IoT, time-series … full-stack development (projects, internships, coursework, etc.) Curiosity about IoT, data, or mobility - or excitement to learn A good understanding of React, Python, JavaScript, or similar "Builders" mindset - always pushing the boundaries of whatever project you have worked on! Eagerness to learn, explore, and contribute to a fast-moving team ...

JavaScript Developer, Contractor, Full-stack | NodeJS, TypeScript, React, AWS | Disruptive Start-up, B2C | Rate c/£500/day (Outside) | 6-months | UK remote or London Hybrid Opportunity: We’re supporting an innovative, fast-moving founding team. They’re building an innovative B2C platform with lots of partnerships already signed … founding team to build scalable, secure, and high-performance systems that deliver an exceptional user experience. What You’ll Be Doing as a JavaScript Developer, Contractor, Backend Engineering | NodeJS, TypeScript, AWS | Disruptive Start-up, B2C | Rate £500/day (Outside) | 6-months | London, Hybrid Develop, maintain, and optimize robust backend ...

both when speaking and listening Easy to work with and collaborative Familiar with cloud security best practices Nice to have Have working knowledge of JavaScript and/or Typescript Understand how JavaScript packages and package managers work Have relational database administration skills, preferably Postgres Have experience with CI/ ...

.NET Developer (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET, Azure AI, Programmer, Full Stack Engineer, Architect, .NET Developer)In just over 5 years our client has established themselves as the world's leading internet subscription service for enjoying … should have a sound understanding of object orientated (OO) development and a skill that that includes: .NET 10.0, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET, Azure AI and MongoDB. This is an excellent opportunity for a .NET Developer to working within a challenging supportive environment. ...

Junior .NET Developer - Online Film Rental Company - London (Tech stack: Junior .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET, Azure AI, Programmer, Full Stack Engineer, Architect, Junior .NET Developer) In just over 5 years our client has established themselves … following (full training will be provided to fill any gaps in your skill set): .NET 10.0, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET, Azure AI and MongoDB. This is an excellent opportunity for a Junior .NET Developer to working within a challenging supportive environment. Top performers ...

Senior UI/UX Designer & Frontend Developer Mobile, Figma, JavaScript, React - Global O utstanding opportunity to join this global enterprise and famous brand within the magic circle of the legal sector. From a technology perspective, this organisation is a leader in its domain, significantly investing in AI and automation within ...

Tech Stack; Java; Web Applications Stack; JavaScript, Python, Perl, Unix Shell, or Windows Shell; Linux/Unix; MySQL, Oracle; Workflow Automation; Splunk or similar; Rest; Soap; JDBC, ODBC; SSH, SNMP, WMI: We seek to join our Dexian embedded team supporting our client, a market leader in the arena of cloud … ability to troubleshoot difficult technical issues Strong Experience with relational databases (e.g. MySQL, Oracle) Java experience Experience in one (or more) scripting languages: JavaScript, Python, Perl, Unix Shell, Windows Shell Advanced Unix/Linux experience Working knowledge of the components in a web applications stack. Experience diagnosing performance degradation (e.g. ...

looking for a Senior-level Software Engineer with strong JavaScript/TypeScript skills and experience across modern web stacks. You'll be instrumental in our transition away from Drupal as we modernise and scale our platform. Tech Stack: At least 4 years commercial experience with JavaScript or TypeScript and Node ...

billing into one flexible product using React and Redux. You'll also contribute to maintenance of current systems, assist with the migration from JavaScript microservices to a monorepo architecture using TypeScript and integrate APIs and backend services. There's a collaborative team environment where you'll input into technical discussions … have strong software engineering experience across the full development lifecycle You have strong React and Redux front end skills combined with backend JavaScript, TypeScript, Node.js and API experience You have worked on monolith and microservices environments You're comfortable working with complex, data rich environments and have previous experience within ...

Center (ESC) Lifecycle Events Employee Onboarding & Transitions Create smart, automated workflows that improve efficiency and employee satisfaction. Deliver high-quality technical solutions Develop using JavaScript, Glide API, and Flow Designer. Configure catalog items, record producers, HR services, business rules, UI policies, and client scripts. Implement robust security controls (HR roles … Case Management, ESC, Lifecycle Events, and Knowledge Management. Solid understanding of ServiceNow's data model, security model, and scoped applications. Technical skills Proficiency in JavaScript, HTML, CSS, and ServiceNow scripting. Experience with Flow Designer, IntegrationHub, and API-based integrations. Soft skills that matter Ability to translate HR needs into clear ...

(Kindly Note: We are only accepting UK based applicants for this role) Battalion is an independent creative digital agency, specialising in developing brands and digital experiences for global 'tech for good’ clients. We are on ...

Graduate/Junior Developer, Python, JavaScript, PHP - London (Tech stack: Graduate/Junior Developer, Python, JavaScript, PHP, Graduate/Junior Developer) In 2012 our client launched a social messaging platform that has been taking the US by storm. After an extremely successful period our client has decided to hop across … suitable Graduate/Junior Developer who have recently graduated from university and have a basic understanding of any of the following technologies: Python, JavaScript, PHP, React, React Native, Django, Postgres, Docker and Agile; which might have been acquired as part of your degree course or through a placement year ...

business impact of. There's a focus on 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 ...

Developer - 3+ Years Experience) Domain: Agency/Shopify Salary: Up to £65,000 Location: UK - Fully Remote Tech Stack: Shopify, Shopify Plus, Liquid, APIs, JavaScript, HTML, CSS/SCSS, GraphQL, Vite About the Role We're looking for an experienced Shopify Tech Lead to drive technical excellence and deliver high … high-performing development team What You'll Bring 3+ years' experience developing with Shopify and Shopify Plus Strong hands-on experience with Liquid, JavaScript, HTML, CSS/SCSS, APIs, and GraphQL Experience in a Tech Lead, Senior Developer, or similar role delivering complex Shopify projects Familiarity with modern theme build ...

data and complex visualisations Working in an environment where craftsmanship, performance, and code quality are taken seriously — every single day Tech Stack Languages: TypeScript, JavaScript (ES6+) Frameworks: React, Redux (or similar state management) Tooling: Webpack, Babel, Jest, ESLint, Git Bonus: WebSockets, performance profiling, custom charting (D3.js, Highcharts) What They … Looking For Deep expertise with React and modern TypeScript/JavaScript Strong architectural thinking, performance tuning skills, and component design mastery Experience in fast-paced, high-impact environments (trading, gaming, or top-tier tech) A passion for building clean, scalable, beautifully engineered UI systems Why Join? Build mission-critical tools ...

configuration, customisation, and integration capabilities Expertise in integration technologies like Logic Apps, HTTP, JSON Proficiency in programming languages such as .NET, C#, JavaScript Development and Project Leadership Experienced in developing Dynamics plugins and enhancing forms with JavaScript and HTML Demonstrated leadership in CRM implementation projects from start to finish Deep ...

z2bz0 years of experience working in a web development agency or in-house for a brand Experience developing Shopify themes Strong knowledge of modern JavaScript Ability to write well-structured, semantic, and accessible HTML Confidence writing framework-agnostic, performance-focused JavaScript Awareness of WCAG accessibility guidelines Solid understanding of front ...

Software Engineer - B2B2C Health Scale-up | Up to £80,000 + Equity | London (Hybrid – 2 days in office) JavaScript | React | Node.js | TypeScript In Product is partnered with a profitable, growing health tech scale-up operating in the B2B2C space. The business is a trusted partner to leading organisations across … you... Have commercial experience working as a Software Engineer in a product-led environment Are comfortable contributing across front-end and back-end JavaScript Enjoy working closely with Product and Design to understand problems before jumping to solutions Like building software that is user-facing, meaningful and measurable ...

We’re looking for a skilled Developer to help manage, customise, and enhance multiple websites. The ideal candidate is confident working with Shopify themes, apps, and front-end code, and can bring both technical expertise ...

Salesforce features and best practices. Required Skills: Salesforce Developer with 4+ years of experience, specializing in Cloud and LWC. Skilled in Apex, HTML, JavaScript (ES6+), CSS, SLDS, and Salesforce DX. Experienced in building accessible, WCAG 2.2-compliant portals, integrating via REST/SOAP APIs, and using declarative tools like Flows … Process Builder. Strong problem-solving and communication skills. Holds key Salesforce certifications including JavaScript Developer I, Platform Developer I & II, and App Builder. All profiles will be reviewed against the required skills and experience. Due to the high number of applications we will only be able to respond to successful ...

countries by focusing on product quality, speed, and developer-led innovation. The Senior Software Developer (Full‐stack) will work across Ruby on Rails, JavaScript, SQL, and AWS to deliver high-quality solutions with purpose. You’ll own meaningful product features end to end, improve engineering systems from the inside … systems at serious scale • Break down ambiguous projects into clear, executable steps You will need: • Deep experience with Ruby on Rails and modern JavaScript • Proven ability to deliver production code at speed • A strong grasp of system architecture and trade-offs • Familiarity with AWS, SQL databases, and scalable infrastructure ...

Title: Test Automation Engineer (Front end & API) Sector: Test consultancy specialising in financial services Essential Skills: Playwright (Typescript or JavaScript) and API Automation Location: Primarily remote with c1 day per month in the consultancy office in Berkshire & client visits when requested Salary: £45-50,000/annum + benefits Start … looking for a candidate with the following experience; Proven experience and ability to create test automation frameworks from scratch using Playwright and JavaScript or Typescript. Experience of designing API automation solutions Develop CI Test Pipeline on the creation, maintenance, and improvement of CI tools such as MS Azure, Jenkins, GitHub ...