251 to 275 of 2,126 ECMAScript Jobs in London

for new business requirements and strategic development of UI architecture and infrastructure Ensuring our credit trading platform meets all the security and audit requirements Your skills and experience Typescript, JavaScript, React, HTML/CSS, NodeJS, Java 8, Vert.x, Linux Jira, Confluence, Git, NPM, Yarn, Webpack, Teamcity/Jenkins, Artifactory Understanding of working in an Agile/DevOps environment Experience working More ❯

always striving to Shift Left so as to facilitate effective CI/CD. Education & Preferred Qualifications Core/Must have skills 10+ years of hands-on experience working with Javascript, TypeScript, Websocket, React, Angular, Material UI, and REST APIs. Solid understanding and experience in one or more of the modern JavaScript build tool chains using tools like node, npm, rush More ❯

software providers throughout the development lifecycle. Provide technical guidance and mentorship to less experienced developers. Required Skills Strong experience with C#, .NET Core, Azure, and test automation. Proficiency in JavaScript and a modern front-end framework (React preferred). Familiarity with microservices, containerisation, and site reliability engineering. Solid understanding of Agile/Scrum methodologies and software design principles. Experience with More ❯

engineering leadership role, preferably in a fast-paced startup or scale-up environment. Strong technical expertise in software development, with proficiency in one or more programming languages (e.g., Python, JavaScript, Java, etc.). Solid understanding of modern software development methodologies, tools, and practices, including Agile/Scrum, CI/CD, and DevOps. Demonstrated ability to lead and inspire engineering teams … driving innovation, collaboration, and continuous improvement. Strong technical expertise in software development, with proficiency in one or more programming languages (e.g., Python, JavaScript, Java, etc.). Solid understanding of modern software development methodologies, tools, and practices, including Agile/Scrum, CI/CD, and DevOps. Demonstrated ability to lead and inspire engineering teams, driving innovation, collaboration, and continuous improvement. Excellent More ❯

engineering leadership role, preferably in a fast-paced startup or scale-up environment Strong technical expertise in software development, with proficiency in one or more programming languages (e.g., Python, JavaScript, Java, etc.) Solid understanding of modern software development methodologies, tools, and practices, including Agile/Scrum, CI/CD, and DevOps Demonstrated ability to lead and inspire engineering teams, driving … innovation, collaboration, and continuous improvement Strong technical expertise in software development, with proficiency in one or more programming languages (e.g., Python, JavaScript, Java, etc.) Solid understanding of modern software development methodologies, tools, and practices, including Agile/Scrum, CI/CD, and DevOps Demonstrated ability to lead and inspire engineering teams, driving innovation, collaboration, and continuous improvement Excellent communication and More ❯

use. Ensure the technical feasibility of UI/UX designs. Implement security and data protection measures. Stay updated with emerging technologies and industry trends. Requirements : Proficient experience with TypeScript, JavaScript, HTML, and CSS. Solid experience with front-end frameworks/libraries (e.g., React, Angular, Vue.js, Next.js, etc). Strong understanding of server-side technologies (Node.js, Express, etc.). Experience with More ❯

opportunity for those looking to accelerate personal growth by exploring new technologies and gaining exposure to FCA processes. Skills And Experiences 2+ years of experience in: Language: Java 17, JavaScript, TypeScript (4.x) Frameworks & Tools: Spring Boot (v3.x), Maven, Jenkins, React.js (v17+), Webpack Database: SQL (PostgreSQL preferred) Key Focus: API integrations, AWS SQS/SNS integrations, React Components, Docker/Kubernetes More ❯

debug, and optimize applications to maintain performance and security standards. Essential Skills and Experience: Proven experience working with cloud platforms such as AWS or Azure. Frontend development expertise using JavaScript, TypeScript, and React. Strong backend development skills in Java, Python, or Golang. Desirable Skills: Experience with container orchestration tools such as Kubernetes. Familiarity with Agile development methodologies and practices. Why More ❯

applications are built using the best practices. Our Technology Stack Backend – Java REST APIs, Open Liberty Application Server, Apache Solr Search platform, RDBMS (Postgres, SqlServer, DB2) Frontend App Framework - JavaScript/TypeScript/React CI/CD - GitHub/CircleCI Cloud – AWS Requirements Bachelor's degree with a minimum of 2:1 Computer Science, Information Technology, or a related field. More ❯

are feasible to deliver. Translate designs into high quality code. Develop new user-facing features using frameworks such as Django (with wagtail CMS). Write front-end components using JavaScript, CSS and integrate with back-end Python components. Optimise microservices for maximum performance. Develop modules that satisfy the functional and non-functional requirements. Coordinate deployments with Release Manager and monitor More ❯

are feasible to deliver. Translate designs into high quality code. Develop new user-facing features using frameworks such as Django (with wagtail CMS). Write front-end components using JavaScript, CSS and integrate with back-end Python components. Optimise microservices for maximum performance. Develop modules that satisfy the functional and non-functional requirements. Coordinate deployments with Release Manager and monitor More ❯

our National Security team, working with clients to deliver impactful solutions and engaging in community outreach to build regional tech and cyber skills. About You Experience in: Programming in JavaScript, Java, .NET, Python Designing and building Proof of Concept or Production systems Source control (e.g., Git, Mercurial, Perforce) CI/CD tools (e.g., Jenkins, Bamboo) Automated testing frameworks Code quality More ❯

and Redux. Experience with AWS services and deploying applications on the AWS platform. Proficiency in Docker for containerisation and deployment. Solid understanding of web technologies such as HTML5, CSS3, JavaScript, and responsive design. Proven track record of delivering high-quality, scalable front-end solutions. Excellent problem-solving skills and the ability to work effectively in a fast-paced environment. Strong More ❯

and Redux. Experience with AWS services and deploying applications on the AWS platform. Proficiency in Docker for containerisation and deployment. Solid understanding of web technologies such as HTML5, CSS3, JavaScript, and responsive design. Proven track record of delivering high-quality, scalable front-end solutions. Excellent problem-solving skills and the ability to work effectively in a fast-paced environment. Strong More ❯

using Azure DevOps and GitHub. Skilled in Infrastructure‐as‐Code using Pulumi, ARM, or Terraform, and proficiency in PowerShell, YAML, Python, or TypeScript. Knowledge of frontend technologies (HTML, CSS, JavaScript) and experience supporting web applications. Experience working with synthetic and application monitoring platforms such as Dynatrace and Catchpoint. Understanding of .NET applications and experience making small code changes when required. More ❯

using Azure DevOps and GitHub. Skilled in Infrastructure‐as‐Code using Pulumi, ARM, or Terraform, and proficiency in PowerShell, YAML, Python, or TypeScript. Knowledge of frontend technologies (HTML, CSS, JavaScript) and experience supporting web applications. Experience working with synthetic and application monitoring platforms such as Dynatrace and Catchpoint. Understanding of .NET applications and experience making small code changes when required. More ❯

strategic advantage. You'll work alongside a talented team contributing ideas, collaborating with designers and prototyping new features. There's a modern tech stack, you'll be mainly using JavaScript/TypeScript, React and React Native but will be able to pick new technologies and skills up on the job. Location/WFH: You'll be joining a friendly and More ❯

Qualifications 1 - 4 years of professional software and web development experience from in a front-office facing role within finance Strong programming skills with Python Strong programming skills with JavaScript (preferably React.js) Knowledge of financial instruments and products Strong quantitative background Strong grasp of software engineering principles, debugging, and testing practices, use of Git Experience using Front Arena or another More ❯

Qualifications 1 - 4 years of professional software and web development experience from in a front-office facing role within finance Strong programming skills with Python Strong programming skills with JavaScript (preferably React.js) Knowledge of financial instruments and products Strong quantitative background Strong grasp of software engineering principles, debugging, and testing practices, use of Git Experience using Front Arena or another More ❯

Zeroheight for design systems Experience creating automation processes for component governance In-depth knowledge of design patterns, UI/UX principles, and front-end technologies such as HTML, CSS, JavaScript, and ReactNative. Strong understanding of software architecture principles. Experience with version control systems (e.g., Git), package managers, and dependency management tools. Excellent communication and interpersonal skills, with the ability to More ❯

for strategic advantage. You'll work alongside a talented team, contributing ideas, collaborating with designers, and prototyping new features. There's a modern tech stack; you'll mainly use JavaScript/TypeScript and React but will have opportunities to learn new technologies on the job. Location/WFH: Join a friendly and supportive team in London with flexibility to work More ❯

for Work & Pensions, supported by the NHS and widely used across health/social care, HE and in the workplace. The skills we're looking for C# .Net, .NetCore. Javascript or Typescript, SCSS/CSS, HTML. Experiencewith either React.js. or Vue.js (but you'll be using Vue.js here!). SQL Server and an awareness of other data structures. RESTful web More ❯

design and architecture. • Demonstrated experience in end-to-end data management, data modelling, and data transformation for analytical use cases. • Proficient in SQL (Spark SQL preferred). • Experience with JavaScript/HTML/CSS a plus. Experience working in a Cloud environment such as Azure or AWS is a plus. • Experience with Scrum/Agile development methodologies. • At least More ❯

within a Retail environment Hands on experience in development with Microsoft Dynamics Experience with Azure, particularly in Middleware and microservice architecture Strong programming background, with proficiency in .NET, node, JavaScript or equivalent languages Hands on experience with API development, Azure Service Bus, Event Grid, and Azure Functions. More ❯

within a Retail environment Hands on experience in development with Microsoft Dynamics Experience with Azure, particularly in Middleware and microservice architecture Strong programming background, with proficiency in .NET, node, JavaScript or equivalent languages Hands on experience with API development, Azure Service Bus, Event Grid, and Azure Functions. More ❯