76 to 100 of 302 ECMAScript Jobs in London

Stay up-to-date with emerging front-end technologies What we're looking for: - 3+ years of front-end development experience - Strong proficiency in JavaScript, HTML, CSS - Experience with modern front-end frameworks (React, Vue, or Angular) - Knowledge of RESTful APIs and async request handling - Familiarity with version control tools ...

Strong problem-solving skills, with the ability to work independently and within a team Technical Skills ServiceNow platform development and workflow configuration Web technologies: JavaScript, AngularJS, HTML, CSS, Bootstrap APIs and integrations: REST, SOAP, JSON, HTTP Experience building and maintaining ServiceNow integrations Strong troubleshooting, documentation and debugging capability Desirable Experience ...

managerial - it's suited to a senior engineer who enjoys hands-on delivery and technical leadership. Profile Core Skills 10+ years' experience with JavaScript/TypeScript Expert-level React; Redux desirable Strong AG Grid experience (essential) 5+ years' Java (preferred over C#) Proven track record delivering greenfield platforms Trading Domain ...

decisions, and engineering best practices. Write clean, well-tested, and well-documented code. Must‐Have Technical Skills Expert-level Node.js development experience (TypeScript/Javascript). Professional Golang development experience. Strong GraphQL experience, including schemas, resolvers, and high-volume queries. Deep knowledge of PostgreSQL, including performance tuning and relational design. ...

join a driven team where your work matters and your input is valued. Key Skills: Backend development (Python, Flask, FastAPI) Frontend development (React, JavaScript, TypeScript) Cloud and infrastructure experience (Terraform, GCP, AWS) Strong problem-solving skills and a pragmatic approach to building solutions Initiative and ownership of projects from start ...

Agent Workspace (UI Builder) o Employee Document Management o Case and knowledge management within HRSD Platform Engineering & Technical Capability • Strong ServiceNow scripting skills: o JavaScript o Business Rules, Script Includes, Client Scripts o REST/SOAP integrations • Experience with: o Flow Designer and workflow automation o UI Builder ...

engineering Architectural experience or ambition to step into a broader strategic role Tech You'll Be Working With Backend: Kubernetes, C#, .NET Frontend: React, JavaScript Infrastructure: Azure, Cosmos DB, modern CI/CD pipelines Legacy: Service Fabric (only during the transition toward Kubernetes) Why This Role Stands Out Take ownership ...

Center Pro HR Agent Workspace (UI Builder) Employee Document Management Case and knowledge management within HRSD Platform Engineering & Technical Capability Strong ServiceNow scripting skills: JavaScript Business Rules, Script Includes, Client Scripts REST/SOAP integrations Experience with: Flow Designer and workflow automation UI Builder and UI/UX configuration Integrations ...

Center Pro HR Agent Workspace (UI Builder) Employee Document Management Case and knowledge management within HRSD Platform Engineering & Technical Capability Strong ServiceNow Scripting skills: JavaScript Business Rules, Script Includes, Client Scripts REST/SOAP integrations Experience with: Flow Designer and workflow automation UI Builder and UI/UX configuration Integrations ...

track record of delivering complex, enterprise-grade front-office e-trading systems in high-pressure, real-time environments. Technical Authority: Languages: Exceptional command of JavaScript and TypeScript, with the ability to architect, optimise, and scale mission-critical applications. Front-End Frameworks: Mastery of React and Redux, with extensive experience shaping ...

track record of delivering complex, enterprise-grade front-office e-trading systems in high-pressure, real-time environments. Technical Authority: Languages: Exceptional command of JavaScript and TypeScript, with the ability to architect, optimise, and scale mission-critical applications. Front-End Frameworks: Mastery of React and Redux, with extensive experience shaping ...

documentation and knowledge sharing for globalization tooling. Functional/Technical Skills: Required Experience 4–7 years of professional experience Strong programming skills (Python, Java, JavaScript/TypeScript) REST APIs, testing tools Regex and string handling Solid knowledge of Unicode, ICU & CLDR Working knowledge of NLP and NLU concepts: tokenization, embeddings ...

Automation Languages: Python, Java, C#, R, or similar Automation Tools: Power Automate, UiPath, Blue Prism, Alteryx, Zapier Workflow Automation/Scripting: VBA, Shell Scripting, JavaScript Experience managing or contributing to multiple projects simultaneously, ensuring timely and high-quality delivery. Strong analytical and problem-solving capabilities. Excellent interpersonal and communication skills ...

quality standards using methodologies like Agile or Kanban. Technical Skills: Proficiency in Qualtrics CoreXM, CustomerXM, EmployeeXM, or BrandXM modules preferred Experience with APIs, JavaScript, HTML, CSS, and possibly SQL or Python Setup automated workflows within Qualtrics to trigger aligned actions across the tech stack Familiarity with data integrations (AEP, Salesforce ...

deploy GenAI/LLM applications (RAG, agentic AI, fine-tuning) Lead production deployment on AWS, Azure or GCP Build scalable backend systems in Python (JavaScript a plus) Manage infrastructure using Kubernetes, Docker, Terraform Own end-to-end technical delivery across multiple client deployments Conduct debugging, optimisation and root cause analysis ...

part of an established successful team, primarily working with React and Typescript technologies We are looking for: Expert knowledge of React Strong proficiency in JavaScript (ES6+), HTML5, CSS3, and responsive UI engineering. Experience with Redux or other state management libraries. Strong understanding of front-end performance optimisation. Familiarity with RESTful ...

Strong understanding of software engineering fundamentals Passion for building technology and solving complex problems Experience with programming languages such as Python, Java, Go, or JavaScript is a plus Strong problem-solving and communication skills What’s on offer Salary up to £70,000 Hybrid working ( 3 days per week ...

clearance, with the ability to work within secure Government or Defence environments • Strong software engineering capability with languages such as Python, Java, C#, or JavaScript • Proven experience designing and implementing ETL pipelines and data ingestion frameworks • Experience working with complex datasets, data transformation and large scale data integration • Ability ...

based architecture They work with a variety of technologies. You’ll ideally have experience with some of the following, or be open to learning: JavaScript: React, Node, Jest, Cypress Ruby (non-Rails environment) – nice to have AWS: EC2, ECS, Lambda, S3, SQS Databases: MongoDB & PostgreSQL They are looking for someone ...

/LLM solutions (RAG, agentic workflows, fine-tuning) Lead cloud-based production deployments across AWS, Azure, or GCP Develop scalable backend services in Python (JavaScript is advantageous) Manage and provision infrastructure using Kubernetes, Docker, and Terraform Own end-to-end technical delivery across multiple enterprise engagements Perform debugging, optimisation ...

across the business to help modernise internal technology and improve operational performance. Technical Environment Experience with some of the following technologies would be beneficial: JavaScript frameworks such as React or Next.js Backend development with Node.js, C#, or similar Cloud platforms (AWS or equivalent) Building and maintaining API integrations and distributed ...

engineering and ETL processes will be helpful. Any previous experience in a Trading environment and technical exposure with Microsoft Dynamics CRM, Python (intermediate) and JavaScript would be advantageous. Does this sound like your next career move? Apply today! Working with Certain Advantage We go the extra mile to find ...

engineering team Modern technical landscape: work with current tools and cloud technologies Requirements Strong hands‐on experience with Python (Django) Front‐end experience with JavaScript (React or Vue) Experience with relational databases Experience or exposure to Heroku Exposure to Azure or other cloud platforms Experience working in a small company ...

Technical Skills Strong ServiceNow development experience (3+ years) Hands-on experience with Service Portal Solid background in web technologies including HTML, AngularJS, Bootstrap, CSS, JavaScript, JSON, HTTP, and REST/SOAP Experience with ServiceNow integrations Ability to work in Agile environments Strong troubleshooting and analytical skills Excellent written and verbal ...

years in Salesforce Industry development Strong experience with OmniStudio and Public Sector Solutions Data Mappers, Integration Procedures, OmniScripts Apex (triggers, batch, integrations) LWC/JavaScript Understanding of sharing model and security Ability to work within a small Agile team Advantageous: automated testing experience (Provar, Selenium) At Pixelated People ...