1 to 25 of 538 ECMAScript Jobs in London

work effectively across cross-functional teams Creative problem-solving abilities and a proactive approach to identifying opportunities for improvement. Familiarity with HTML, CSS, and JavaScript is a bonus, but not a requirement. JBRP1_UKTJ more »

Junior Unity Developer Exciting opportunity for a Junior Unity Developer to join an exciting start up based in Cardiff! Salary up to £28,000 Hybrid Working style. Strong proficiency in Unity/C#/JavaScript. WHO ARE WE A company more »

exploratory, systems integration and user acceptance testing e.g. manual testing Confident with building and maintaining frameworks in one or more of these languages: Java, JavaScript, Python, or C# Have practical experience with open source tools such as: Cypress, Karate, PlayWright, Selenium or similar Worked in an agile environment Resident in more »

now looking for an experienced Node.js Developer as they enter the next growth stage. Requirements: At least 5+ years of Node.js experience 5+ years JavaScript experience Experience with AWS and MySQL js Any prior experience with Python is a bonus Git, Jira Currently operating a hybrid flexible working policy, with more »

technical skills across the full stack including C# for backend development and React for UI development (other technologies in the stack include TypeScript/JavaScript and AWS) You have strong technical and/or team leadership experience, you're able to organise and motivate the team, instil software engineering best more »

to build solutions using various traditional or big data languages such as: SQL, PL/SQL, SAS Macro Language, Python, Scala, Apache Spark, Java, JavaScript etc, using various tools including SAS, Hue (Hive/Impala), Kibana (Elastic Search). Knowledge of data management on Cloud platforms is especially advantageous. more »

feature set, and working knowledge of SharePoint Services; BCS, Search, Excel, etc. Knowledge of C# & SQL programming (e.g. TSQL) advantageous Knowledge of HTML, CSS3, JavaScript, jQuery, and Source control methodologies and principles advantageous Knowledge of React, Angular, or other JS frameworks advantageous Familiarity with MVC framework, working knowledge of common more »

and managing microservices containerized in AWS environments 2 years of experience designing and managing databases and implementing software delivery processes Knowledge required: Python, React, JavaScript, HTML, CSS, and AWS Services Nice to have: Experience in video workflows in enterprise or media environments including Media Asset Management Experience in designing or more »

CD pipelines and deploy the UI into production. Familiarize yourself with vulnerability management. Qualifications and Skills: Strong experience in React development. Proficiency in TypeScript, JavaScript, and possibly Java. Familiarity with low-latency systems and financial markets (FX experience is a plus). Prior experience with greenfield projects (building from scratch more »

with a focus on application development and integrations. Experience building applications using modern front-end frameworks, libraries, languages and tooling such as React, Next.js, JavaScript, TypeScript. A proven ability to build relationships with technical peers An understanding of the importance of constructive feedback to improve code quality and team performance more »

sure our users are getting the best user experience possible About you You have 4+ years of modern Web Development experience Strong fundamentals in JavaScript,TypeScript, React, HTML, and CSS You have a deep understanding of how the web works You have your finger on the pulse of the latest more »

Extensive experience in digital marketing analytics Strong analytics experience across web analytics (GA.GA4), attribution, MMM, and implementation (GTM) Coding experience, ideally in Python or JavaScript Excellent communication and leadership skills BENEFITS Up to £80,000 Flexible hybrid working pattern Opportunity to grow and develop your career HOW TO APPLY Please more »

months contract (possible extension) Location: Battersea Power Station, London, UK (Onsite on Tuesday, Wednesday, and Thursday) Job Description: We are looking for a Senior JavaScript Engineer experienced in working on vanilla/custom client-side JS (i.e. not only using 3rd-party UI libraries/frameworks). Project involves the more »

Zendesk Consultant (JavaScript) - Fintech Company We are seeking an experienced Zendesk Consultant with strong JavaScript skills to join our innovative fintech company. In this role, you will be responsible for configuring, customizing, and optimizing our Zendesk instance to provide exceptional customer support experiences. Responsibilities: Collaborate with cross-functional teams to … understand business requirements and translate them into Zendesk solutions Develop custom Zendesk apps, integrations, and workflows using JavaScript and the Zendesk API Implement advanced features such as custom reporting, triggers, automations, and macros Optimize Zendesk performance, scalability, and security to meet the demands of our growing customer base Train and … support internal teams on the proper use and administration of Zendesk Requirements: Extensive experience working with Zendesk as a consultant or administrator Proficient in JavaScript, with experience in front-end frameworks (e.g., React, Angular, Vue.js) Familiarity with Zendesk APIs, Zendesk App Framework (ZAF), and Zendesk developer tools Strong problem-solving more »

control systems (e.g., Git) and collaborative development workflows. Prior experience in fintech or financial services industry is a plus. Experience with frontend technologies (e.g., JavaScript, React) is a bonus. Responsibilities: Design, develop, and maintain robust, scalable, and high-performance backend solutions using Python and Django framework. Collaborate with product managers more »

you ever what to change team or work on a different project! Senior Software Developer requirements: Excellent knowledge and commercial experience using client-side JavaScript, CSS, HTML and JS libraries. A few years commercial experience coding with React and Node.js. Any experience with Java, Clojure or Haskell is also considered more »

in expanding and refining the team structure as the company scales. 🎯 What We Seek in You: Technical Proficiency: Showcase your use of languages like JavaScript (including Angular), Python, or CSS in academic or personal projects. Eagerness to Learn: Dive into front-end/UX design and prototyping, and explore Linux more »

developing new features. In addition, the Senior React.js Engineer will need to be an expert with Next.js, showcasing recent commercial experience with it. Requirements: JavaScript/TypeScript React.js, Next.js AWS Key Information: Rate: Up to £475.00 Inside IR35 Location: Hybrid – London (view to moving fully remote) Contract Length: 3 months more »

record of successfully designing and implementing complex ServiceNow solutions Technical Skills: In-depth knowledge of ServiceNow platform capabilities and modules. Proficient in ServiceNow scripting (JavaScript, Glide). Experience with ServiceNow integration methodologies. Hands on experience in TSOM, TSM and IT Service Management (ITSM) processes. Certifications: CIS- certification is mandatory. Additional more »

/coding role using one or more of Java or C# or .NET or Python plus one or more of the following: Frontend experience (JavaScript/TypeScript or Angular or React or Node) Backend (Java/Spring Boot/Hibernate or C#/.NET/.NET Core) Cloud Native Apps more »

Qualifications Good knowledge of the MS Dynamics platform and core technologies (Dynamics 365/CRM). Clear knowledge of Microsoft stack such as .NET, JavaScript, ASP.NET, MVC, C# .NET for Plugins and custom workflows, Integrations using .NET. Power Platform experience is preference. Client facing experience. D365 CS experience. Experience working more »

talented Frontend Engineer to join their team on a permanent basis. Backed by prominent investors, this company is poised for substantial expansion. Key Technologies: JavaScript, React, React Native, Python (Backend), Docker, AWS. In this role, you'll be instrumental in crafting the frontend and backend elements of their applications. Working more »

test coverage for platform functionality Write and improve technical documentation when necessary Participate in all Agile planning meetings and stand-ups 🧑‍💻Essential Skills 4yrs+ JavaScript ES6+ 4yrs+ Commercial React Native Experience Integrating first and third party services including REST APIs and analytics Unit testing Understanding of the key differences between … native platforms ✅Desirable Agile working principles Working with a design system/component library Using JavaScript and React in the browser Hands on experience working with native modules on iOS and/or Android Automated testing, e.g. end-to-end tests 🎁Perks: Paying up to £100k Visit Office very minimal more »

Fullstack JavaScript Engineer - £75k - One day a week in London I am working with an exciting startup specialising in ESG Data Startegy space who are devoted on supporting their sustainable invesment clients on everything re ESG strategies and concepts. The client is an exciting startup who are part of the more »

working, generous wfh budget, health cash plan and many other benefits In return for: 3+ years’ experience in a software engineering role Experience with JavaScript and/or developing web UIs with React or similar Commercial experience with Node/Nest/Typescript Good communication and interpersonal skills and a more »