201 to 212 of 212 JavaScript Jobs in London

seeking engineers who have experience building and maintaining high‐quality Ruby on Rails applications and have excellent knowledge of Ruby, HTML, CSS, JavaScript, SQL, Unix, deployment, performance, debugging, refactoring, design patterns, and other programming practices and tools. Comparable programming languages and frameworks are regarded equivalently. Experience with front‐end frameworks … server‐side JavaScript is a plus. Knowledge of object‐oriented design (or functional programming) is also a huge plus. We honor diversity and encourage creative thought. We’re committed to building an environment that challenges you, but allows you to have fun in the process. Benefits & Compensation We offer ...

Head of Engineering - Java, Javascript, Cloud, Healthcare Up to £850 per day (Inside IR35) London/Hybrid (3 days onsite) 6 months My client is a high-profile organisation seeking a Head of Engineering to lead a team of Software Engineering Managers, driving the development and transformation of technology products. … This role requires deep technical expertise (Java, Javascript, Azure/GCP) and a proven ability to build high-performing engineering functions in fast-paced, complex environments. You will play a key role in a wider transformation programme, introducing modern engineering practices, improving architecture, and delivering scalable, consumer-facing digital products. ...

business impact of. There's a focus on backend and API development although you'll also have elements of front end work with JavaScript and React.js. Location: You'll be based in plush City office on a fulltime basis, Monday to Friday. About you: You have expertise with C# .Net … ASP.Net development You have a strong knowledge of databases (SQL or Oracle) You're comfortable with JavaScript/React You have a thorough knowledge of Computer Science fundamentals such as OOP, Design Patterns, Data Structures, Algorithms You are collaborative with excellent communication and stakeholder management skills You are degree educated ...

connectors (Database, SFTP, Web Services). Work closely with Infor ION (Intelligent Open Network) middleware frameworks where applicable. Advanced Data Mapping: Write custom scripting (JavaScript or Groovy) within Boomi to handle complex data transformations, split-routings, and multi-level parent/child loops (e.g., Purchase Order Headers to multi-line …/Molecule configuration). Strong understanding of EDI standards (EDIFACT, X12) and API security protocols (OAuth 2.0, SSL, API Keys). Solid experience utilizing JavaScript or Groovy for custom scripting within Boomi shapes. 2. Infor LN Specific Experience (Highly Desirable) Whilst ERP experience is a must, direct experience building integrations ...

Scalers HQ are proud to be partnering with an innovative and fast growing Media organisation in London. We are looking for a Principal JavaScript Engineer/Team Lead to join their collaborative tech team. You'll play a key role in delivering cutting-edge AdTech analytics solutions, reporting directly … feature breakdown, technical planning, and release processes. Manage and mentor engineers along with growing a high-performing teams. Skills & Experience Required Extensive experience with JavaScript/TypeScript, React, Redux, and Node.js Strong experience in TDD and testing frameworks (Jest, Mocha, Cypres/Playright) A track record in modular system architecture ...

well as being able to build production quality software applications and reports to tight timescales using appropriate technologies (KDB+/Q, Python, C++, Javascript). The position is full time on the trading floor in London and requires rapidly reacting to trader/sales/management demands in traditional ways … front office investment banking experience in technical or quant roles Highly proficient with programming in one or more of KDB+/Q, Python, C++, Javascript with experience in working with Software Development Lifecycle (SDLC) tools in a collaborative environment (git/bitbucket/JIRA etc.) Advanced Degree (PhD OR Masters ...

will: * Own and extend internal web applications used for robot data collection, review, QA, and dataset publishing* Build and maintain FastAPI backends, vanilla JavaScript frontends, CLI tooling, and supporting services* Improve recording workflows, state machines, config validation, batch processing, stale-data recovery, and archival processes* Containerise and orchestrate services … years* Strong production Python experience* Experience with typing, async/await, threading, multiprocessing, and concurrent workloads* FastAPI or another async Python web framework* Vanilla JavaScript, including DOM manipulation, fetch, and WebSockets* Experience building internal tooling, operator tooling, platform tooling, or workflow orchestration systems* Strong CLI tooling experience, including argparse ...

We are working with a well-established, global software business to find a talented Front End Software Engineer for a fully UK remote, permanent position. This is a genuine opportunity to join a small, highly ...

code, and ensure successful adoption of an AI-native platform across insurer workflows. Key Responsibilities Write and maintain production and integration code in Python, JavaScript, and SQL as part of client implementations and internal tooling Lead end-to-end delivery of complex customer implementations, managing timelines, risks, and plans Configure … years of relevant experience; a formal CS degree is preferred but not essential for the right candidate Strong hands-on skills across SQL and JavaScript; Python experience is a plus Proven experience in customer-facing technical roles, with the ability to own discovery, scope deliverables, and manage client relationships Able ...

Java Script Works is seeking a Senior Product Engineer in London, United Kingdom, to work in an AWS cloud-native environment. In this full-time role, you will leverage your expertise in NodeJS, Typescript, and ...

Senior ML Platform Engineer London 5 Days a Week In Office £550-£700 Per Day, Outside IR35 Immediate Start The Company They are a technically ambitious organisation building advanced machine learning systems tightly integrated with ...

Engineering Product Manager London, United Kingdom Contract Compensation: up to £130K Visa sponsorship: Not provided Tech Stack Product Manager Python C JavaScript Requirements Strong hands‐on background in audio software development Experience working with C++, JUCE, JavaScript and Python Successful technical leadership and product management experience Excellent team motivator, manager ...