726 to 747 of 747 ECMAScript Jobs in England

Contract Front-End Software Tester (JavaScript | Java | Playwright | TypeScript) Start Date: ASAP, immediate starter Day Rate: £450-475 per day, Outside IR35 Length: 3 months inital Working Patterns: Fully-remote Other Information: 2 stage interview processOpus have partnered with a UK-based Critical Communications provider who's technology supports real … contractor who can define an end-to-end strategy to align testing and achieve product-focused business outcomes. Skills (Tech Stack): • Front-end: Strong JavaScript testing experience , ideally bringing experience with Playwright for test automation • Back-end: Strong experience testing Java-based systems , including API and integration testing across backend ...

you. The Role You will play a key role across the full product lifecycle, developing and maintaining software platforms in C#, Python, and JavaScript for world-class gas detection instruments. You'll be writing the software that talks directly to hardware via UART, SPI, and I2C, building automated test … talented team of electronic, embedded, and mechanical engineers. Requirements Engineering or electronics background Strong software development skills in C#, Python and/or JavaScript Hands-on experience with communication protocols such as UART, SPI, I2C, Modbus or CAN Comfortable reading schematics and using electronics tools such as multimeters and logic ...

Development in C++? Do you have experience using Source Control Systems such as Subversion? Do you have experience developing User Interfaces in HTML/JavaScript/TypeScript? If your answer to these is yes, then this could be the role for you! As the Software Engineer, you will be working … network security applications Developing novel signal, image, or data processing applications in C/C++ Developing user interfaces in HTML/Typescript/Javascript Providing support and training to our customers in using the software Mentoring and leading others Your skillset may include: Software development experience, preferably in C/ ...

Development in C++? Do you have experience using Source Control Systems such as Subversion? Do you have experience developing User Interfaces in HTML/JavaScript/TypeScript? If your answer to these is yes, then this could be the role for you! As the Software Engineer, you will be working … network security applications Developing novel signal, image, or data processing applications in C/C++ Developing user interfaces in HTML/Typescript/Javascript Providing support and training to our customers in using the software Mentoring and leading others Your skillset may include: Software development experience, preferably in C/ ...

Junior Software/Salesforce Developer Manchester This is not your typical Salesforce Developer role. We are looking for a junior developer with strong JavaScript and/or Java fundamentals who wants to build a long-term career within Salesforce development. Existing Salesforce experience is useful, but not essential - attitude, technical … user experience * Learning Salesforce development tools and best practices What they're looking for: * Around 1-2 years of development experience * Experience with JavaScript and/or Java * Strong problem-solving ability * Excellent communication skills * Someone professional who can thrive in a corporate environment * Enthusiasm to learn and grow within ...

West Ldn) Role : Full Stack Engineer (FE focussed) Salary : 50-60k Location: x5 days pw in West London Tech stack include: Typescript, JavaScript, React, NextJS, WebGL, Vue, NodeJS, Team : x3 developers in house (multiple external dev teams) We’re partnering with an award-winning independent brand, design and technology … needed. Moving between different project types and switching context quickly, as is typical in an agency environment. Must-haves: 2-3 yrs experience Strong JavaScript/TypeScript foundations with a frontend-first, full-stack skill set Taking ownership of work and being comfortable figuring things out independently. Ability to work ...

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 ...

contributing to an open source project Experience managing a team of software engineers Architected and built performant, scalable, resilient public facing products Experience in Javascript Experience with state management systems such as Redux Experience in Node JS and Express Experience in AWS cloud platforms Bonus if you have: An understanding ...

Lead JavaScript/TypeScript Software Engineer A fantastic opportunity for a Lead JavaScript/TypeScript Software Engineer to join an innovative technology company developing advanced software solutions within a highly technical engineering environment. This is a hands-on software engineering role focused on building scalable, production-ready applications across both ...

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 ...

Data Reporting Engineer Data Reporting Engineer - SQL, Azure, ADF, Qlikview, Power BI, DAX, SSRS, Python, JavaScript, ERP, Data Warehousing - Stone, Staffs - to £55k + bens An experienced Data Reporting Engineer is urgently required to take responsibility for helping to define and implement my clients data and reporting strategy … with (Azure) SQL - Detailed knowledge of Qlikview, Power BI and Dax - Strong experience of SSRS for reporting - Working knowledge of Python and/or JavaScript My clients product suite comprises a series of heavily data-centric solutions and the aim of the business is to employ these to enable accurate ...

some client facing could be required. Key Skills Required: - WordPress (Theme/Plugin Development ideally!) - Email Marketing Creation using Mailchip or Klavyio (or Similar) - JavaScript (Ideally) - HTML (Ideally) - CSS (Ideally) - GA4 (ideally) Know a friend who's a perfect fit? Share this advert with them! Don’t miss this incredible … apply for this position please click on the Apply Now button. Key skills & experience needed: WordPress, Mailchip or Klavyio, Email marketing, HTML, JavaScript ...

users across education, research and enterprise functions. Key responsibilities: • Build and maintain frontend solutions across various projects • Develop high quality, accessible interfaces using modern JavaScript, HTML and CSS, ensuring strong performance and usability • Work closely with product teams, project managers and technical stakeholders to gather requirements and translate them into … Ensure all solutions align with security policies and information management standards • Support applications through documentation, testing, training and third line support Key requirements: • Solid JavaScript skills with modern HTML and CSS • Strong experience working with Drupal, including theming and Twig • Good working knowledge of PHP • Experience delivering scalable, sustainable application ...

system usability Maintain data integrity and support reporting needs Development & Enhancements Deliver change requests including custom development and enhancements Work with technologies such as JavaScript, SQL, APIs, and integrations Build and maintain integrations with other enterprise systems (HR, ERP, etc.) Governance & Ownership Introduce IT governance, best practices, and documentation … Intelex platform (Admin, Config, or Development) Strong understanding of EHS/Health & Safety systems Experience in system configuration, workflows, and user management Development exposure (JavaScript, SQL, APIs, or similar) Ability to manage support and development in parallel Strong problem-solving and stakeholder communication skills Nice to Have Experience implementing governance ...

Role: Senior Full Stack Developer (Progression to Lead) Location: Chester - (4 days per week in the office) Tech: PHP, Laravel, JavaScript, Vue, MySQL Salary: £60,000 - 65,000 Are you a Senior Developer looking to step into a Lead role within the next 6-12 months? Do you enjoy working … build more scalable and maintainable systems. For this Senior Full Stack Developer role, you’ll need strong commercial experience with PHP, Laravel, JavaScript (React, Vue or Angular) and MySQL, alongside hands-on experience with or a strong interest in Laravel and Vue. Previous experience mentoring developers or taking ownership ...

Engineer/Data Scientist – Agentic AI – £100k + Hybrid – HealthTech/Clinical Workflows Python | LLMs | RAG | AI Agents | OpenAI | Copilot | Elasticsearch | Vector DBs | Java | JavaScript | SaaS | Hybrid | Do you want to build AI features embedded directly into real clinical workflows used by hospitals, within a business actively rolling out GenAI … hybrid working model based in Bracknell (local candidates required). Python | LLMs | RAG | AI Agents | OpenAI | Copilot | Elasticsearch | Vector DBs | SaaS | Hybrid | Java | JavaScript ...

Documentation & SharePoint Specialist - HealthTech - Cumbria (Key skills: Technical Documentation, HealthTech Systems, SharePoint Online, SharePoint 2016/2019, Knowledge Base Management, SQL, HTML, JavaScript, C#, ISO9001, ISO27001, Second-Line Support) Are you a detail-driven documentation specialist with strong SharePoint expertise and a passion for supporting systems that genuinely make … Experience with SharePoint Online and SharePoint 2016/2019 is essential. SQL knowledge and the ability to work with HTML, Razor/C# and JavaScript are highly advantageous. Exposure to understanding application code is beneficial but not essential. This is an excellent opportunity to contribute to healthcare technology that supports ...

with data, CRM, web, and technology teams to establish data flows, troubleshoot issues, execute segmentation, and refine targeting and personalisation logic. Own and enhance JavaScript-based tracking implementations used for behavioural data collection, including updates to vendor-built scripts where needed. Partner with activation, CRM, data, and web teams … provide technical recommendations, translate business requirements into implementable solutions, and improve processes across SFMC, Personalization, Pardot, CRM, and web platforms. Own, maintain, and enhance JavaScript tracking scripts and support the HTML, AEM, and web integration changes needed for personalisation activation, including validation of UTMs, custom events, cookies, iframes, pixels ...

comfortable working with complex data and can demonstrate strong analytical skills to develop and configure complex workflows using a scripting language such as JavaScript or Google Apps Scripting. This is role where you will use your IT skills to make a real difference in a business environment. To be effective … data and enjoys solving real life challenges. You should be able to capable of being innovative with scripting languages such as Google App Scripts, JavaScript or python to create applications and integrate with multiple data sources and track progress effectively. Using an evidence based approach you will look to recommend ...

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 ...

Experience working in a product led, high growth business - API and app exchange application integration knowledge - Any front end experience would be a plus - JavaScript, React, Angular, Vue.js etc - Apex (classes, integration, triggers, batches etc) knowledge - All round flow understanding - scheduled, record triggered, screen flows etc - Lightning MVC would … role in shaping the success of a market leading sector innovator please apply now. Salesforce Engineer Derby (hybrid) Salesforce, Apex, Lightning, screen flows, API, JavaScript, React, Einstein ...

ServiceNow Architect (Telecoms) London (Hybrid) 6 Month Contract £625/day (Outside IR35) ServiceNow Architect needed with Telecoms domain experience including Telecommunications Service Management (TSM) module experience. 6 Month Contract based in London (Hybrid). ...