251 to 275 of 1,035 ECMAScript Jobs in London

identifying potential security risks.What We're Looking ForYou'll ideally have experience with:Software engineering using C++, Java or C#Scripting or automation using Python, JavaScript, PowerShell or similarSecure software development and software engineering best practicesSource control, debugging, testing and continuous integrationLinux and/or Windows operating systemsStrong understanding of core ...

engineers, consultants and client technology teams. Exposure to technologies and concepts such as the following would be advantageous: AWS | SaaS | APIs | Java | Spring Boot | JavaScript | Node.js | Docker | Kubernetes | CI/CD | Cloud Architecture | Microservices | Systems Integration The ability to understand the architecture, challenge technical decisions and communicate complex technology clearly ...

scaling products at hyper growth startups Experience tinkering with or productizing LLMs, vector databases, and the other latest AI technologies Proficient in Python or Javascript/Typescript, and SQL Experience with Kubernetes Experience with major cloud providers (AWS, Azure, GCP) PLEASE NOTE: Our policy requires a 90-day waiting period ...

5+ years of experience in the following areas: Experience working with distributed systems and scalable solutions. Proficiency in a scripting languages (such as Python, Javascript/Typescript) and React. Experience with working with GraphQL and Rest APIs, SQL and/or NoSQL databases. Familiar with the software development lifecycle ...

Server, TSQL, SSIS, SSRS. Familiarity with Git/Bitbucket and job scheduling tools like Autosys. Experience with front-end technologies such as Angular, JavaScript, and ASP.NET MVC is a plus. Strong analytical and problem-solving skills with meticulous attention to detail. Excellent communication and interpersonal skills; able to effectively collaborate ...

related discipline, or equivalent work experience required; advanced degree preferred Expert-level competency in one or more modern programming languages (e.g., Java, Go, JavaScript, Python). Proven expertise with modern build automation and CI/CD tools (e.g., GitHub Actions, GitLab CI/CD, Jenkins, Bazel, Gradle, Maven). Strong ...

related discipline, or equivalent work experience required advanced degree preferred Expert-level competency in one or more modern programming languages (e.g., Java, Go, JavaScript, Python). Proven expertise with modern build automation and CI/CD tools (e.g., GitHub Actions, GitLab CI/CD, Jenkins, Bazel, Gradle, Maven). Strong ...

Proven experience designing and developing microservice-based architectures A background in development with strong prior experience in languages and frameworks such as Java, Python, JavaScript, Node.js, Spring Boot, Flask, Kotlin Direct commercial experience with a major cloud provider. GCP is preferred Experience working in and advocating for a fully-automated ...

Capabilities, and Skills: Experience with Java and Oracle Familiarity with messaging platforms such as RMQ and Kafka Expertise in Kubernetes Proficiency in ReactJS and JavaScript Functional knowledge of FX or Dervis Settlements domain If you're looking for a place where your skills are valued and your contributions make ...

ideal candidate has Demonstrated success leading and mentoring a team of 3–5 software engineers for at least 2 years. Strong experience with modern JavaScript and TypeScript across backend (Node.js/NestJS) and frontend (React/Redux) development. Proven track record of architecting scalable UI applications and APIs with ability ...

within or alongside established design systemsWorking knowledge of HTML5 and CSS/Sass sufficient to collaborate effectively with front-end engineersFamiliarity with front-end JavaScript frameworks and component-based development approachesUnderstanding of WCAG 2.2 and practical application within interface designExperience using AI tools to accelerate prototyping, pattern generation, or design ...

alongside established design systems Working knowledge of HTML5 and CSS/Sass sufficient to collaborate effectively with front-end engineers Familiarity with front-end JavaScript frameworks and component-based development approaches Understanding of WCAG 2.2 and practical application within interface design Experience using AI tools to accelerate prototyping, pattern generation ...

alongside established design systems Working knowledge of HTML5 and CSS/Sass sufficient to collaborate effectively with front-end engineers Familiarity with front-end JavaScript frameworks and component-based development approaches Understanding of WCAG 2.2 and practical application within interface design Experience using AI tools to accelerate prototyping, pattern generation ...

SDLC, TDD, and code review. Data: Working with relational, columnar and vector stores, grounded in sound data‐modelling principles. Languages: Python, Java, TypeScript/JavaScript, SQL and relevant AI SDKs. Communication: Clear written and verbal communication with technical peers and stakeholders. Measurement: Instrumenting solutions to capture usage, productivity, and quality ...

experience with React.js, React Native and the associated ecosystemStrong mobile automated testing experience (unit, integration & end-to-end)Excellent communication, both written and verbalGood JavaScript knowledge, ideally including TypeScriptExperience with continuous delivery, build pipelines and app releases (both App Store and Play Store)Familiarity with mobile ecosystem tooling such ...

with infrastructure-as-code and configuration management tools. Good scripting or programming skills in at least one modern language such as Python, Go, Ruby, JavaScript, or similar. Experience with monitoring, logging, alerting, and performance tuning for production systems. Ability to troubleshoot both application and infrastructure issues in complex distributed environments. ...

/or Python preferred; comfortable designing and implementing services, REST/WebSocket APIs and their data models. Solid working knowledge of the frontend stack: JavaScript and TypeScript, the Node.js/npm ecosystem, and a modern framework — React.js ideally, though experience with a comparable one is fine (please feel free ...

directed by department management, ensuring they are knowledgeable in critical aspects of their roles.RequirementsExpertise in development languages including but not limited to: Java, JavaScript, Groovy, JSP, HTML, XML, SQL and bash. Knowledge and experience of build tools – Maven and Gradle Knowledge and experience of relational DBMS – Postgresdb Knowledge of using ...

sharing ideas.Tests things; whether it's your code or a new idea. Actively contributes to the open source and tech community. Things we usePython, JavaScript, Django, PostgreSQL, Redis, AWS, iOS, Elasticsearch, Docker, Ember.js, Microservices, TDD, buzzwordsYou will be working on whole projects right from design through to shipping. You will ...

roadmap.What we look for:Experience in data engineering, data platforms & analytics, or software engineering/full stack developmentComfortable writing code in either Python, Scala, JavaScript/TypeScript, and modern frameworksWorking knowledge of two or more common Cloud ecosystems (AWS, Azure, GCP) with expertise in at least oneDeep experience with distributed ...

engineering fundamentals with hands-on experience across the software development lifecycle, including system design, development, testing, release, and production supportProficiency in Python, Java, and JavaScript or TypeScriptExperience building and supporting production-grade systemsExperience in large-scale enterprise environments, developing, debugging, and maintaining code and data integrations using modern programming ...

related quantitative field (or equivalent practical experience)7+ years of post-graduation engineering experience, with demonstrated proficiency in languages such as Python, TypeScript/JavaScript, Java, or C++.2+ years of experience applying AI/ML in production environments, such as deploying deep learning solutions, building generative/agentic AI applications ...

testable, maintainable, secure and efficient code Qualifications You will have an extensive background in front-end development with significant experience working with ReactJS and Javascript (ES6+). Any further experience with Next.js/Angular/Vue.js is beneficial Experience with mobile development frameworks like React Native is beneficial. Experience ...

testable, maintainable, secure and efficient code Qualifications You will have an extensive background in front-end development with significant experience working with ReactJS and Javascript (ES6+). Any further experience with Next.js/Angular/Vue.js is beneficial Experience with mobile development frameworks like React Native is beneficial. Experience ...

having a lot of autonomy motivates you. You prioritise product and user experience. You are a collaborative Software Engineer with proven professional experience in Javascript/Typescript , React , and Node.JS , you possess a strong understanding of API design , consumption, and client-side logic. You are proficient in writing unit ...