626 to 650 of 1,251 ECMAScript Jobs in London

Contribute to design discussions and provide technical input on feasibility and implementation Continuously improve app retention and engagement through thoughtful UX improvements Requirements Technical Expertise: Expert-level proficiency in JavaScript and relevant frameworks such as Next.js Design Sensibility: Demonstrated passion for exceptional UI/UX design, animations, and micro-interactions Mobile Development: React Native experience would be helpful, but is More ❯

Contribute to design discussions and provide technical input on feasibility and implementation Continuously improve app retention and engagement through thoughtful UX improvements Requirements Technical Expertise: Expert-level proficiency in JavaScript and relevant frameworks such as Next.js Design Sensibility: Demonstrated passion for exceptional UI/UX design, animations, and micro-interactions Mobile Development: React Native experience would be helpful, but is More ❯

Contribute to design discussions and provide technical input on feasibility and implementation Continuously improve app retention and engagement through thoughtful UX improvements Requirements Technical Expertise: Expert-level proficiency in JavaScript and relevant frameworks such as Next.js Design Sensibility: Demonstrated passion for exceptional UI/UX design, animations, and micro-interactions Mobile Development: React Native experience would be helpful, but is More ❯

working with a data streaming platform, preferably Kafka. Experience building data pipelines with a tool like RedPanda Connect (Benthos). Proficiency in at least one programming language (Go, Python, JavaScript). Solid understanding and practical experience with Infrastructure as Code (IaC), CI/CD pipelines, and GitOps methodologies. Experience with monitoring and observability tools (e.g. Prometheus, Grafana, Datadog). Strong More ❯

ServiceNow in Development Experience in 3 product lines outside of ITSM (e.g. ITOM, ITAM, HAM/SAM, SPM, HR, CSM, etc.) Ability to demonstrate advanced scripting and integration skills – JavaScript, SQL, API Web Services Experience integrating ServiceNow with Cloud Infrastructure (e.g AWS, Azure, GCP) Security Clearance is desirable, or the ability to obtain SC clearance is required. What’s in More ❯

ServiceNow in Development Experience in 3 product lines outside of ITSM (e.g. ITOM, ITAM, HAM/SAM, SPM, HR, CSM, etc.) Ability to demonstrate advanced scripting and integration skills – JavaScript, SQL, API Web Services Experience integrating ServiceNow with Cloud Infrastructure (e.g AWS, Azure, GCP) Security Clearance is desirable, or the ability to obtain SC clearance is required. What’s in More ❯

ServiceNow in Development Experience in 3 product lines outside of ITSM (e.g. ITOM, ITAM, HAM/SAM, SPM, HR, CSM, etc.) Ability to demonstrate advanced scripting and integration skills – JavaScript, SQL, API Web Services Experience integrating ServiceNow with Cloud Infrastructure (e.g AWS, Azure, GCP) Security Clearance is desirable, or the ability to obtain SC clearance is required. What’s in More ❯

ServiceNow in Development Experience in 3 product lines outside of ITSM (e.g. ITOM, ITAM, HAM/SAM, SPM, HR, CSM, etc.) Ability to demonstrate advanced scripting and integration skills – JavaScript, SQL, API Web Services Experience integrating ServiceNow with Cloud Infrastructure (e.g AWS, Azure, GCP) Security Clearance is desirable, or the ability to obtain SC clearance is required. What’s in More ❯

5+ ServiceNow CIS certifications Experience 3 product lines outside of ITSM (e.g. ITOM, ITAM, HAM/SAM, SPM, HR, CSM, etc.) Ability to demonstrate advanced scripting and integration skills – JavaScript, SQL, API Web Services Experience integrating ServiceNow with Cloud Infrastructure (e.g AWS, Azure, GCP) Security Clearance is desirable, or the ability to obtain SC clearance is required. What’s in More ❯

current digital marketing trends and best practices on topics such as personalization, cross channel marketing, mobile, and data driven optimization of experiences. Functional knowledge of client-side development in JavaScript or native mobile apps, and front-end debugging. Agile experience and familiarity with JIRA and Confluence. History of successful technical consulting or architecture engagements with large-scale customers or enterprises. More ❯

current digital marketing trends and best practices on topics such as personalization, cross channel marketing, mobile, and data driven optimization of experiences. Functional knowledge of client-side development in JavaScript or native mobile apps, and front-end debugging. Agile experience and familiarity with JIRA and Confluence. History of successful technical consulting or architecture engagements with large-scale customers or enterprises. More ❯

current digital marketing trends and best practices on topics such as personalization, cross channel marketing, mobile, and data driven optimization of experiences. Functional knowledge of client-side development in JavaScript or native mobile apps, and front-end debugging. Agile experience and familiarity with JIRA and Confluence. History of successful technical consulting or architecture engagements with large-scale customers or enterprises. More ❯

current digital marketing trends and best practices on topics such as personalization, cross channel marketing, mobile, and data driven optimization of experiences. Functional knowledge of client-side development in JavaScript or native mobile apps, and front-end debugging. Agile experience and familiarity with JIRA and Confluence. History of successful technical consulting or architecture engagements with large-scale customers or enterprises. More ❯

Senior Software Engineer/Developer (Full Stack JavaScript) London to £100k Opportunity to progress your career in a senior, hands-on Software Engineer role at a scale-up tech company, that enables smart matching for commercial van drivers and consumers, via job bidding and route optimisation, streamlining processes and delivering CO2 carbon neutral targets, the company has been established … technology team to design and develop, troubleshoot and solve complex software issues to help scale and future proof the business. You'll work across the full tech stack using JavaScript and Vue.js on the front end, there's a range of other tech in the stack (TypeScript, Node.js, Java, Python and of course a bit of legacy PHP!), you'll … and the other two work from home. When in the office you can enjoy the onsite gym, barista coffee and free breakfast. About you: You have strong full stack JavaScript development skills and are happy to work on projects that could be weighted either way or a 50/50 split You have experience with JavaScript frameworks they use Vue.js More ❯

Senior Software Engineer/Developer (Full Stack JavaScript) London to £100k Opportunity to progress your career in a senior, hands-on Software Engineer role at a scale-up tech company, that enables smart matching for commercial van drivers and consumers, via job bidding and route optimisation, streamlining processes and delivering CO2 carbon neutral targets, the company has been established … technology team to design and develop, troubleshoot and solve complex software issues to help scale and future proof the business. You'll work across the full tech stack using JavaScript and Vue.js on the front end, there's a range of other tech in the stack (TypeScript, Node.js, Java, Python and of course a bit of legacy PHP!), you'll … and the other two work from home. When in the office you can enjoy the onsite gym, barista coffee and free breakfast. About you: You have strong full stack JavaScript development skills and are happy to work on projects that could be weighted either way or a 50/50 split You have experience with JavaScript frameworks they use Vue.js More ❯

will work with their product team to design, code and test their platform, while also working together with their customers and partners Key requirements: 2+ years’ experience working with JavaScript and React. Experience working with Python. Experience working with Django. AWS. Bonus if you have worked in start-ups before. If you’re a Junior-Mid Fullstack Engineer (React, Python More ❯

will work with their product team to design, code and test their platform, while also working together with their customers and partners Key requirements: 2+ years’ experience working with JavaScript and React. Experience working with Python. Experience working with Django. AWS. Bonus if you have worked in start-ups before. If you’re a Junior-Mid Fullstack Engineer (React, Python More ❯

London and are planning on moving more central. The team tend to work 1 or 2 days a week in the office. Requirements Strong background in Ruby Experience with JavaScript – React/Vue.js Knowledge of cloud based technologies – AWS/GCP/Azure Advocate of TDD Knowledge of Postgres or MongoDB would be advantageous Bonus points for Hotwire, Stimulus, Turbo More ❯

London and are planning on moving more central. The team tend to work 1 or 2 days a week in the office. Requirements Strong background in Ruby Experience with JavaScript – React/Vue.js Knowledge of cloud based technologies – AWS/GCP/Azure Advocate of TDD Knowledge of Postgres or MongoDB would be advantageous Bonus points for Hotwire, Stimulus, Turbo More ❯

roadmap development and innovation (approx. 30%) Challenging and improving engineering practices as the team scales YOUR SKILLS AND EXPERIENCE Strong GCP experience needed BigQuery + SQL knowledge Typescript/Javascript/Node.js ideal Python exposure Ideally agency or consultancy background Strong understanding of digital media data Confidence building solutions independently and rapidly BENEFITS Salary up to £75,000 Discretionary bonus More ❯

roadmap development and innovation (approx. 30%) Challenging and improving engineering practices as the team scales YOUR SKILLS AND EXPERIENCE Strong GCP experience needed BigQuery + SQL knowledge Typescript/Javascript/Node.js ideal Python exposure Ideally agency or consultancy background Strong understanding of digital media data Confidence building solutions independently and rapidly BENEFITS Salary up to £75,000 Discretionary bonus More ❯

Previous experience working within a consulting organisation is essential Must be either SC cleared or eligible Experience working as a Software Engineer Strong Node.JS development experience Strong knowledge of JavaScript Experience working within cloud environments If this role sounds of interest, then please apply with your updated CV. More ❯

roadmap development and innovation (approx. 30%) Challenging and improving engineering practices as the team scales YOUR SKILLS AND EXPERIENCE Strong GCP experience needed BigQuery + SQL knowledge Typescript/Javascript/Node.js ideal Python exposure Ideally agency or consultancy background Strong understanding of digital media data Confidence building solutions independently and rapidly BENEFITS Salary up to £75,000 Discretionary bonus More ❯

roadmap development and innovation (approx. 30%) Challenging and improving engineering practices as the team scales YOUR SKILLS AND EXPERIENCE Strong GCP experience needed BigQuery + SQL knowledge Typescript/Javascript/Node.js ideal Python exposure Ideally agency or consultancy background Strong understanding of digital media data Confidence building solutions independently and rapidly BENEFITS Salary up to £75,000 Discretionary bonus More ❯

such as Engineering, Mathematics, Physics, Chemistry, or Computer Science (Bachelor's, Master's, or PhD) Technical Skills Strong programming skills, ideally with experience in Python, C#, and/or JavaScript Solid understanding of software engineering principles and data analysis techniques Professional Skills Clear and effective communication within a collaborative, fast-paced environment Strong problem-solving ability and attention to detail More ❯