126 to 150 of 535 ECMAScript Jobs in London

SaaS, API, Microservices to leading online and consumer products customers. Full Stack Software Engineering Specialist (developers and architects) - commercetools Experience: 🔰 Mix of full stack JavaScript, TypeScript, Node, Nextjs, Java, Scala, AWS 🔰 Bring knowledge of commercetools APIs 🔰 Extend commercetools API integration, Algolia, Talon, OAuth, Contentful 🔰 Bring strong experience in UI, Nextjs more »

player with excellent communication skills Bonus skills & experience: Web development experience (incl. web frameworks such as Flask) Familiarity with SQL Experience with React/JavaScript/TypeScript development Linux and cloud experience Past finance experience and familiarity with SecDB, Athena or Quartz In return the company offers fantastic salary, bonus more »

/Competences : Essential : Experience with building systems using FIX Protocol. Senior-level experience with Java. Senior-level experience with a scripting language such as JavaScript or Python. Proficiency with version control systems e.g., GitLab, GitHub. Experience in developing software using Agile methodologies. Level 3 Support for Production systems. Desired : Experience more »

and other departments. Deliver Solutions: Develop technical solutions to meet business needs. Requirements: Strong proficiency in modern engineering skills with extensive experience in HTML, JavaScript, CSS and Reactjs. Proven experience with Nodejs. Demonstrated leadership experience in software engineering. Back end knowledge of C# and Python is desirable. 5+ Years experience. more »

the essential experiences Experience with building systems using FIX Protocol. Senior-level experience with Java. Senior level experience with a Scripting language such as Javascript or Python. Experience with version control systems eg GitLab, GitHub Developing software using Agile methodologies. Level 3 Support for Production systems. Desired Broking/Trading more »

it is important to be strong across the stack. The key technologies you will be working with include: C# .NET T-SQL Angular 12+ JavaScript Azure Apart from a generous base salary, this role will offer 25 days holiday, a great pension scheme and the opportunity to work for one more »

building new features on the payment platform, gateway API and web portal. There's a modern tech stack encompassing Java, Kotlin, Python, PostgreSQL, AWS, JavaScript and React; you'll have a focus on backend development and will have the autonomy to choose the right tool for the job and introduce more »

CosmosDB, MongoDB, PostgreSQL, MySQL/MariaDB, Memcache, or Redis. Some knowledge of common programming languages used in modern web application development, such as C#, JavaScript, TypeScript, Java, Go, or PHP. Exposure to iterative/agile development methodologies and experience of enabling team delivery through technology. As a bonus, experience of more »

Hire Genius is a new generation, all-in-one CRM specifically built for recruitment agencies: our founders have over 50 years combined experience in the sector, and having been unsatisfied with the tools available to recruiters they’ve decided to more »

a hybrid working model. Platforms/Frameworks: Node Express C#.NET Docker Kubernetes Cloudflare AWS GitLab Playwright/Webdriverio Languages: TypeScript HTML/CSS/JavaScript Yaml Nunjucks Git Terraform ... more »

custom workflows. Experience in designing security model and related out of the box configurations on Microsoft Dynamics 365 online environment. Experience in C#, .Net, Javascript, MS SQL, MS CRM SDK MSD developer kit. Implement application integration using Azure services such as Azure Service Bus, Azure logic Apps, Azure functions etc. more »

of treasury/derivatives platforms would be helpful Technical Skills: LAMP Stack applications. Python Django Framework AWS or other cloud based Application architecture MySQL JavaScript React.js Experience with JIRA or other ticketing system more »

on experience integrating digital asset exchanges into trading platforms, including API authentication, data normalization, and error handling. Proficiency in programming languages such as Python, JavaScript, or Go for scripting and automation tasks. Previous experience working in the cryptocurrency or fintech industry is required. Strong problem-solving skills and attention to more »

Security, Counter Terrorism, or Justice Project involvement. Proficiency in software development and a passion for writing code. Understanding of the fundamentals of Java, TypeScript, JavaScript, and/or Python software development. Demonstrable understanding of working in teams, particularly in agile methodologies such as Scrum & Kanban. Delivering cloud-native and containerised more »

new features. Requirements: 4+ years' Python development experience, ideally within the investment management, investment banking or insurance industries. High-level experience in React/JavaScript UI development. Ability to work with multiple programming languages and technologies (prior experience with the proprietary "securities language" Slang is not required – but the role more »

or Justice Project involvement. Proficiency in software development and a passion for writing code. Understanding of the fundamentals of software development in Java, TypeScript, JavaScript, and/or Python. Demonstrable understanding of working in teams, particularly in agile methodologies such as Scrum & Kanban. Delivering cloud-native and containerised applications using more »

in this role, you will require: Strong backend skills in Java and SpringBoot, with good knowledge of microservices Frontend/UI development skills using JavaScript/TypeScript and React Experience in the design and development of web services and APIs, and full front-back integration. Experience in data-heavy environments more »

in delivering complex software engineering projects including all phases of software development lifecycle • Experience with TypeScript or other languages like C#, Python, Ruby, Go, JavaScript and excitement to learn TypeScript • Experience with developing web UIs with React or similar technology This role is hybrid working, with the office based in more »

design, coding and developing Lightning Web Components as Architect, guiding across teams, and meeting stringent timelines. Strong grasp of web technologies including HTML, CSS, JavaScript , and experience with frameworks like React or Angular. Certifications Salesforce Administrator Certification (Mandatory) Salesforce PD1 Certifications (Mandatory) Salesforce Platform App Builder Certification (Mandatory) Salesforce Experience more »

live service and how to support critical business systems Scripting abilities with languages such as PowerShell Knowledge of programming languages such as C# and Javascript A working knowledge of Windows infrastructure, Active Directory & Group Policy Management etc Great communication and problem solving skills, and a desire to learn new technologies more »

software engineering using C++ on Linux for Machine Learning and Digital Twins, which operate on a range of drone assets, along with HTML5/JavaScript UI work as required. Requirements: You must be comfortable working within the defence industry. A Baseline Personnel Security Standard check will be undertaken before an more »

Qualifications Bachelor's degree in Computer Science (or related field) 6+ years of relevant work experience Expertise in one or more of the following: JavaScript, Python, Java, Go or C++ Experience in building advertising platforms that have large data usage. more »

network: 1. Coffee with recruiter ☕ 2. In-office technical interview 3. Meet the Co-founders and team 3. Offer! 😍 Roles: x2 Fullstack roles Tech: Javascript, React, Node, Next, AWS, Lambda Salary: £60,000 - £70,000 Location: London - hybrid (flexible office working) Immediately interviewing! If you are interested apply with your more »

or numerical skills. Experience of manual, exploratory and automation testing, working in Agile teams. Experience of programming in at least one language, ideally Typescript, JavaScript or Python. Experience of Playwright, Cypress or Webdriver.io Strong stakeholder management and communication skills and the ability to push back as and when required. The more »

quality and stability of software releases for the trading venue The maintenance and improvement of the bespoke QA tool-set Experience with Playwright utilizing JavaScript/Typescript QA Engineer skill Requirements: 2+ years’ experience testing high-performance production systems Knowledge of financial systems is desired for this position Python Scripting more »