176 to 200 of 584 ECMAScript Jobs in London

Lead Back-End Software Engineer (Permanent Contract) Job Title: Lead Back-End Developer (with some DevOps is a bonus) Your strongest Languages will be: Javascript, Go, SQL The Key Technologies where you will have specific strengths are: Node, Postgres, and Docker. Location: Flexible/Hybrid – South East UK/London … specific strengths are: Node, Postgres, and Docker. Experience with deployment and analytics tools such as Ansible, Grafana, pghero etc. Your strongest Languages will be: Javascript, Go, SQL Key Responsibilities of our Lead Back-End Software Engineer You will: Implement backend functionality and features e.g building API for front-end, optimising more »

We are working with a great London based startup specializing in advising companies, governments, and NGOs on the transition towards sustainability. They help their clients understand this societal shift, what it means for their organization, and how to position for more »

Founding Software Engineer (JavaScript) London (in-office) Salary - Up to £90k + Equity About Us: We are re-inventing the way talent and opportunity meet with our AI recruiter assistant. Our assistant is designed to automate the repetitive tasks in the recruitment process, such as sourcing, vetting, reaching out, and more »

Lead JavaScript Engineer - London (Hybrid) - £90K-£100K Spinks has collaborated with a SaaS platform client who’s on a mission to power private equity, putting an end to outdated practises. They are currently seeking a JavaScript Engineer to join their dynamic tech team based in London. Who You Are: You more »

Founding Full-Stack Engineer - London - £75k - B Corp Tech - JavaScript, React, Node.js Have you ever wanted to uses your skills as a developer and help build a fin tech disruptor supporting ESG? They offer solutions to support private market investors. Do you want to impact decisions across the business? If … in launching a new SaaS product and shaping the functionality and Architecture Get to work alongside and learn from industry heavy hitters Must have: JavaScript, React, Node.js Nice to have: Next.js, AWS a bonus, experience with a scale up The ideal candidate will be responsible for developing high-quality applications. more »

fields of the metaverse, Web3, and blockchain. Troubleshoot and debug complex software issues, ensuring optimal performance and reliability. Requirements: Proficiency in Java, Python, and JavaScript, with a strong understanding of software development principles and best practices. Experience working with APIs to integrate software systems and services. Familiarity with the concepts … Qualifications: Previous experience developing applications for the metaverse, Web3 platforms, or blockchain solutions. Knowledge of popular frameworks and libraries in the Java, Python, and JavaScript ecosystems. Familiarity with agile development methodologies. Contributions to open-source projects or active participation in developer communities. Benefits: Opportunity to work on innovative projects at more »

ArchitectFrontend Technical Architect – Retail Wealth Management100,000 Plus Bonus and Bens 10% PensionQuant Capital is urgently looking for a Technical Architect with strong frontend JavaScript Experience to join or well known Fintech client who are a well know wealth management software business.We are looking for a technically strong architect to … development methodologies and modelling techniques· Technical Understanding of Microsoft .NET Framework/.NET Core, Node.jsMy client is based in South West LondonTechnical Architect, React, Javascript more »

Position: React Native Developer Salary: Up to £90,000 per annum Location: London, UK Job Description: My client is seeking a talented and experienced React Native Developer to join their innovative team. The ideal candidate will have a strong background more »

x Full-stack JavaScript Engineers ⚛️ TypeScript, React and Node 🌱 ESG Start-up 🏠 1-day p/week in London 💷 £60,000-70,000 A London based ESG start-up are looking for 2 x Fullstack Engineers with strong TS, React, Node, Next experience to join their Engineering team. You will … MVP. There is a huge amount of opportunity to experiment and play with technology, on a greenfield product. Required experience: 3+ years TypeScript/JavaScript, React, Node.js Truly full-stack and more than comfortable with Backend tasks (not an FED with a little bit of Node) Experience in a small more »

mock-ups into a functioning web application that is accessible and responsive with exceptional usability Collaborate with testers in development of test cases for JavaScript code and in some cases developing test cases to address accessibility and responsive usability Collaborate with product owners on user story generation and refinement Provide … About You: Required Experience: Experience and proficiency with content management systems, ideally WordPress Awareness of design patterns and PHP inheritance Minimum 2 years of JavaScript development either vanilla and/or using one or more UI frameworks (React, Angular, Vue, JQuery, etc) Minimum 3 years of experience with HTML5 and more »

Senior Analyst Background: Our client is a rapid growing Big Data and IoT enabled technology company, removing barriers to commercial fleet decarbonisation. The Role: We are recruiting a Senior Analyst, focusing on a combination of new features for the company more »

Full Stack Developer/Data Engineer opportunity. Full time permanent position. Fully remote or hybrid - office just outside of London. My client is a dynamic and rapidly growing electrification company dedicated to the decarbonisation of heat transport and induction. They more »

Automation Junior Testers x 2 (Must be eligible for SC clearance) NB: To be eligible for SC clearance, applicants must meet the following requirements: Be a UK national or have been a resident in the UK for a minimum of more »

make a real difference, this is an opportunity to sculpt the future and influence decisions beyond just coding. Role Description: As the Full Stack JavaScript Engineer you'll lead the charge on the back-end, with a touch of front-end finesse. They prioritize teamwork and culture fit, ensuring you more »

I've partnered with a HealthTech company dedicated to revolutionising the healthcare industry through innovative digital solutions. Their mission is to enhance patient care, improve outcomes, and streamline processes for healthcare professionals. They are seeking a passionate and creative Product more »

Senior Software Engineer (VP) - Java, Spring Boot, JSP, Fixed Income, JavaScript, Relational Database(Sybase/Oracle), Hibernate, Junit, Kafka I am seeking a Senior Full Stack Developer (VP level), to join my client who is a leading investment bank based in London. This role sits within their front office team … working on electronic trading systems so experience in this area is essential. Key Responsibilities: Create and manage end-to-end trading applications utilizing Java, JavaScript, and mainstream databases. Foster close collaboration with front-office teams to grasp and execute trading strategies and solutions effectively. Drive enhancements in system architecture and … diverse stakeholders such as traders and fellow developers. Remain updated on the latest advancements in front office eTrading technologies and methodologies. Key Skills: Java JavaScript JSP Relational Database (Sybase/Oracle) SpringBoot Fixed Income Hibernate Junit Kafka This is a full-time role offering a salary of up to £120k more »

AWS Architecture (preferably certified)· Strong understanding of Security, scalability· Ability to identify & solve problems with minimal guidance· Come from a Development backgroundBonus· Experienced with JavaScript (React/Node)· Open-source contributor· Experience Leading and mentoring teamsWhat you’ll get in return…Let’s arrange a call so you can find … Broadcast & IoT Industry.Job InformationJob Reference:BBBH3718_1615538643Salary:Salary From:70000Salary To:90000Job Industries:Video Technology JobsJob Locations:LondonJob Types:PermanentJob Skills:aws,node,react,javascript,solutionsConsultantSam WiltshirePrincipal Key Accounts ManagerApply Now more »

Jnr/Mid Level Front End Developer - Javascript - React - Next.js🚨 🎯London/Hybrid X1 Week London Office🎯 🚃 Zone 1 🚃 💷up to £45k + Benefits 💷 🔥Hugely Successful Well Known Analytics company based in London, who work with some of the most major and high profile brands engaging over 230 Million Global … Consumers on their website a month are looking for a Jnr/Mid Level Javascript Front End Developer. Lot's of multiple greenfield projects on offer utilising cutting edge tools, whilst adopting the right tools for the job mentality. You will work on multiple high performance websites and will have … platform functionality Write and improve technical documentation when necessary Participate in all Agile planning meetings and stand-ups 👩‍💻Essential Skills 2+ yrs Demonstrable Commercial JavaScript experience React.js and Next.js (highly preferred) Integrating first and third party services including REST APIs TDD ⚡️Desirable Agile working principles Working with a design system more »

Policy: 3 days in the office, 2 days at home. Salary: Competitive, tailored to the candidate About AG Grid: AG Grid is the leading JavaScript DataGrid for Enterprise Applications, with AG Grid Community downloaded over 1 million times weekly and AG Grid Enterprise boasting over 10,000 customers, including major … conferences, potentially presenting on key topics. Ideal Experience: Proven expertise in creating high-quality technical content (e.g., blogs, tutorials, documentation). Strong proficiency in JavaScript, React, and the React ecosystem. Experience building enterprise applications using DataGrids and/or Charts. Skilled in presenting to medium-to-large technical audiences. Proficiency … social media. Bonus Experience: Familiarity with AG Grid and/or AG Charts. Previous experience in Developer Relations or Advocacy roles. Knowledge of other JavaScript frameworks like Angular and Vue. Marketing experience in the DevTools space, especially around technical content creation. What to Expect at AG Grid: A fast-moving more »

Front End Developer - Javascript -Next.js (essential) 📍London/Hybrid Office x1 week 💷up to £60k Hugely Successful Well Known Media company based in London, who work with some of the most major and high profile brands engaging over 230 Million Global Consumers on their website a month are looking for … platform functionality Write and improve technical documentation when necessary Participate in all Agile planning meetings and stand-ups Essential Skills 3+ yrs Demonstrable Commercial JavaScript experience with Next.js React.js Integrating first and third party services including REST APIs and analytics Unit testing Perks: Paying up to £60k Visit Office very more »

into innovative technical solutions Good communicator - to discuss and solve problems with the business and team. Being able to write clean, simple code in JavaScript Things you’ll need: Have good E.Q. - The ability to get along and build relationships. To be able to learn the domain and application rapidly … confidence about it within a short period. Enjoy working in environments where you like understanding the customer. 5+ years of building applications, with good JavaScript Proven track record of being able to build things quickly, but also well. At the same time, recognising the tradeoffs of different approaches. Proven ability more »

QA Analyst with an interest in working with an established and renowned digital publication to boost their test automation efforts. If you have strong JavaScript and/or Typescript test automation and familiarity with Charles Proxy to coordinate responses to quality assurance issues and relevant tooling please get in touch. … failing and to help with triage work & determine where the problems lie. The client are looking for experience with: Test automation Basic knowledge of Javascript SQL querying Charles Proxy Ad network traffic and testing Tealium (desirable not essential) ObservePoint (desirable not essential) If this sounds like an a role of more »

comprehensive campaign reports across all KPIs. Your Profile: Hands-on experience in PPC campaign management and a talent for crafting code from scratch in JavaScript, SQL, Python or more. Analytical and highly numerate with the ability to translate insights into actionable strategies, boosting future performance. Thrive in a performance-driven … also be considered if you have: Strong Paid Search specific experience within an agency with a Computer Science background. Are using Google Scripts OR JavaScript within Paid Social, SEO, or any other performance marketing channel. How to Apply? If you're interested in this opportunity, then apply here on LinkedIn more »

Ready to utilise your technical experience in analytics & tag management tools and your proficiency in JavaScript & HTML? Are you passionate about managing the Adobe Analytics tracking to ensure the data provided via the Adobe reporting is accurate and reliable for all users? We have an exciting role for you as … a presence within the analytical and reporting community and answer queries relating to implementation. Your Profile Key skills/knowledge/experience: Proficient in Javascript and HTML. Excellent documentation skills with experience of writing tagging specifications. Good communication skills. Ability to explain technical concepts in layman’s terms. Good experience more »

Dynamics 365/D365/CE/Product Analyst/Customer Engagement/Sales/Customer Insight/Power Apps/Power Automate/JavaScript Gravitas continue their support for a leading Non-Profit Organisation on their search for an experienced D365 Product Analyst. You will be responsible for maintaining … of 2-3 years’ experience in MS D365 CRM/CE * Experience configuring & customising, the more hands on the better * Similar experience working with Javascript * Experience with Power Apps (model-driven and canvas apps) * Experience with Power Automate * Good understanding of ITIL * Excellent stakeholder management **Please note this role does more »