851 to 875 of 1,284 JavaScript Jobs in the UK

owned a system or a program, not just a queue of tickets Technical enough to build: comfortable with scripting and light application development (Python, JavaScript/Node, APIs, SDKs), and fluent with AI development tooling (Claude, Cursor, agent frameworks, MCP). A CS degree is not required Data-fluent: comfortable ...

REST APIs. Practical experience writing prompts or agent instructions and refining them based on user feedback and observed results. Scripting experience with Groovy, Python, JavaScript, or similar languages. Experience with adjacent enterprise platforms such as Slack, Okta, or Google Workspace. Experience working in a high-growth SaaS or technology environment. ...

Confluence REST APIs.Practical experience writing prompts or agent instructions and refining them based on user feedback and observed results.Scripting experience with Groovy, Python, JavaScript, or similar languages.Experience with adjacent enterprise platforms such as Slack, Okta, or Google Workspace.Experience working in a high-growth SaaS or technology environment.WHAT WE OFFERBraze benefits ...

experienced Frontend Developer to build accessible, high-quality digital services for UK government clients. You'll work in a multidisciplinary agile team, using JavaScript, TypeScript and Node.js to build the user-facing layer of services and the APIs behind it, in line with GDS standards and patterns. Key Responsibilities Build … maintain accessible, responsive user interfaces and Server Side applications using JavaScript, TypeScript and Node.js. Develop with Express or Fastify, and with Nunjucks templates where the service uses them. Build and consume API microservices. Work with SQL or NoSQL databases, and use Redis for caching and session handling. Write automated tests ...

doing Building responsive front-end applications using React Developing server-side applications and RESTful APIs with Node.js Writing clear, efficient and well-documented JavaScript Applying secure development practices to protect applications and user data Identifying and helping to resolve security vulnerabilities Working with designers, product managers and other developers … feedback Troubleshooting issues across the stack Contributing to technical decisions and improving development processes What we’re looking for Around 3–4+ years’ professional JavaScript development experience Strong React experience Solid experience building back-end services with Node.js Understanding of web application security, including authentication, authorisation, data protection and OWASP ...

C# Developer (C# MSSQL, Azure, Javascript) Hybrid working Our client is looking for an experienced Full Stack Software Engineer with strong C# expertise to help design, build and enhance the next generation of business-critical applications. This is an opportunity to join a high-performing, fast-growing organisation where technology … working together to achieve exceptional outcomes. The Role As a Software Engineer, you will: Design, develop and maintain scalable web applications using C#, modern JavaScript frameworks and cloud technologies Build intuitive front-end user experiences alongside robust back-end services Develop new functionality through API integrations, databases and cloud services ...

Graduate Software Developers x 5. Python |C# | .NET | SQL | JavaScript | TypeScript | React | Cloud | AI. £37-38K. Berkshire We are hiring for our client, an established international technology company developing cloud-based, AI-enabled software platforms used by major organisations worldwide. They are looking for high-calibre graduates, Graduate Software … testing software, principally using C# and .NET Building back-end applications and new product features Working with SQL Server and relational databases Developing with JavaScript, TypeScript and React Working within an Agile/Scrum engineering environment Testing, debugging and improving existing applications Using Git for source control and peer reviewing ...

React Frontend Developer (React Javascript Typescript) Our client is looking for a talented Front End Software Engineer with strong React.js experience to help design, develop and enhance a suite of modern web applications, customer-facing platforms and business-critical internal systems. This is an opportunity to join a growing organisation … from delivering meaningful results. The Role As a Front End Software Engineer, you will: Build and maintain high-quality, scalable web applications using React.js, JavaScript, TypeScript and modern web technologies Develop intuitive and engaging user interfaces that deliver exceptional user experiences Work with frameworks and libraries such as React, Next.js ...

deliver scalable, secure, and high-performing solutions in Azure environments. Key Responsibilities Design, develop, and maintain scalable full-stack applications using React, Python, JavaScript, and TypeScript Build responsive, high-performance front-end solutions capable of handling large data volumes Develop and integrate APIs, microservices, and distributed systems Deploy and manage … Drive performance optimisation, observability, scalability, and application reliability Required Skills & Experience Essential Extensive experience as a Senior Full Stack Developer Strong expertise in: React JavaScript/TypeScript Python Deep understanding of modern React development: Hooks State management Component architecture Performance optimisation Proven experience deploying applications to cloud environments, ideally Microsoft ...

owners and colleagues from across the organisation. You will also: - Design, develop, test and maintain modern, responsive applications using technologies such as .NET, C#, JavaScript, TypeScript, HTML, Tailwind and CSS - Build engaging and accessible user experiences using reactive front-end frameworks such as Vue and React - Develop and consume APIs … will bring: - Professional experience developing web applications using front-end and back-end technologies - Experience with languages and technologies such as C#, .NET, JavaScript, TypeScript, HTML, Tailwind and CSS, or comparable modern development tools - Experience using a reactive front-end framework such as Vue or React - An understanding of responsive ...

owners and colleagues from across the organisation. You will also: - Design, develop, test and maintain modern, responsive applications using technologies such as .NET, C#, JavaScript, TypeScript, HTML, Tailwind and CSS - Build engaging and accessible user experiences using reactive front-end frameworks such as Vue and React - Develop and consume APIs … will bring: - Professional experience developing web applications using front-end and back-end technologies - Experience with languages and technologies such as C#, .NET, JavaScript, TypeScript, HTML, Tailwind and CSS, or comparable modern development tools - Experience using a reactive front-end framework such as Vue or React - An understanding of responsive ...

engineers and contribute to engineering standards and best practice. The technologyYou'll work across a modern full stack environment, including: Node.js and TypeScriptReact and JavaScript frameworksMongoDB and SQLRESTful APIs and GraphQLAWS and cloud-native solutionsJenkins and/or AWS CodePipelineDocker, ECS and/or KubernetesAutomated testing and Test Driven DevelopmentWe … Docker, ECS or Kubernetes. Experience developing, deploying and maintaining cloud-based solutions on AWS.A strong technical background in web development, ideally including modern JavaScript frameworks. A good understanding of the principles that contribute to high-performing web pages and applications. How you workExperience working with Product and other business stakeholders ...

engineers and contribute to engineering standards and best practice. The technologyYou'll work across a modern full stack environment, including: Node.js and TypeScriptReact and JavaScript frameworksMongoDB and SQLRESTful APIs and GraphQLAWS and cloud-native solutionsJenkins and/or AWS CodePipelineDocker, ECS and/or KubernetesAutomated testing and Test Driven DevelopmentWe … Docker, ECS or Kubernetes. Experience developing, deploying and maintaining cloud-based solutions on AWS.A strong technical background in web development, ideally including modern JavaScript frameworks. A good understanding of the principles that contribute to high-performing web pages and applications. How you workExperience working with Product and other business stakeholders ...

other engineers and contribute to engineering standards and best practice.The technologyYou'll work across a modern full stack environment, including:Node.js and TypeScriptReact and JavaScript frameworksMongoDB and SQLRESTful HTTP APIs and GraphQLAWS and cloud-native solutionsJenkins and/or AWS CodePipelineDocker, ECS and/or KubernetesAutomated testing and Test Driven … such as Docker, ECS or Kubernetes.Experience developing, deploying and maintaining cloud-based solutions on AWS.A strong technical background in web development, ideally including modern JavaScript frameworks.A good understanding of the principles that contribute to high-performing web pages and applications.How you workExperience working with Product and other business stakeholders ...

We are looking for a Full Stack Software Engineer who will be responsible for building new websites and web applications whilst helping to maintain existing websites.This involves working closely with the creative team to produce ...

Development Life Cycle process -Good understanding of GIS technologies Requirements -S/W Development using: C#, .Net Standard/.Net Core, ASP.Net HTML, CSS, JavaScript and Client-side JavaScript frameworks. MS SQL Server database -Geospatial (web) application development using at least one of the following: ESRI technologies (ESRI ArcGIS … JavaScript/REST, WebApp builder, ArcGIS Runtime DSK for .Net) -Open-source technology (Open Layers, Geo Server, PostgreSQL) - Experience in using python to develop geoprocessing solutions and using FME/Erdas Imagine -Excellent skills in terraform and ansible -Experience working on CI/CD pipeline setup using Jenkins with Continuous ...

Full Stack ASP.NET JavaScript Developer70,000 Plus BonusHome work and flex work encouragedQuant Capital is urgently looking for a Full Stack ASP.NET JavaScript Developer to join our high profile client. Our client is the world leader in Market data management systems, with clients globally such as most of the major … different technologies and we encourage people to actively develop their skills in areas they aren't familiar with. We are looking for an experienced JavaScript engineer who has worked with React or Angular in previous roles. We have multiple platforms, some that are built with Angular and some with React ...

Frontend JavaScript Developer – TypeScript 65k plus BensQuant Capital is urgently looking for a Frontend JavaScript Developer to join our high profile client. My client is a rapidly growing specialist fintech software house providing advanced solutions to the finance market. Their clients include many of the world's leading banks … Developers should have exposure to the below tech stack: Strong academic background, preferably including a degree in a STEM subject discipline. Strong understanding of JavaScript, including experience developing web-based solutions using JavaScript (TypeScript knowledge preferable).Strong understanding of web technologies (HTML, CSS, JavaScript, XML).Experience with web application component ...

implementing AI and machine learning models Serve as a point of contact, providing consultative guidance and support Requirements: Proven programming skills in Python and JavaScript Familiarity with Palantir is a plus Excellent communication and consultative abilities Must hold SC or DV Clearance Please apply if this is of interest. ...

implementing AI and machine learning models Serve as a point of contact, providing consultative guidance and support Requirements: Proven programming skills in Python and JavaScript Familiarity with Palantir is a plus Excellent communication and consultative abilities Must hold SC or DV Clearance Please apply if this is of interest. ...

Tech: Javascript, TypeScript, MongoDB, Angular, HTML5, CSS, BootstrapChallenge: Greenfield Trading platform, API development, industry specific challengesFirm: Well-known Fintech Trading Platform Vendor, City of London, 30 man flat global Dev TeamPay: 80k, Bonus- 750 training budget, Unlimited holiday, Pension, Life/Health, Some Flex WorkingJunior Full Stack Javascript Software Engineer … Quant Capital is urgently looking for a Junior Full Stack JavaScript Software Engineer for our high profile investment management vendor.Our client is a well known global wealth management HFT software business. They provide valuations and pricing of derivatives to most of the buy side.I am seeking a full stack developer ...

with Ruby on a Senior level, someone who can take technical ownership of part of their product lineup Frontend: some proficiency in React/JavaScript, they are moving to Hotwire Great communication skills - able to work closely in a small team and contribute with new ideas They also have ...

platform. The successful candidate will have experience implementing automated testing strategies in complex or regulated environments, building automation frameworks from scratch using Playwright with JavaScript or TypeScript, testing front-end web applications, and working with React-based micro-frontend architecture. Reasonable Adjustments: Respect and equality are core values to us. ...

using advertising technologies such as pixels, ad servers, auctions and delivery. Experience working with web technologies, including, but not limited to: HTML, CSS, JavaScript, Experience working with SQL and RESTful APIs ...

requires full-time onsite presence in Windsor . Key Skills Required Strong commercial experience with .NET Solid T-SQL development skills Strong JavaScript experience Experience using Claude Code and AI-assisted development tools Experience developing and maintaining web applications in a commercial environment Contract Details Initial 3-month contract Outside ...