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Javascript Jobs in London

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See all the latest contracting opportunities from across London and the rest of the UK

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JavaScript is a key area of focus for PCR Digital. Our mission is to build London’s best talent pool of high quality JavaScript developers and engineers so that we can meet the current demand coming from a broad range of industry sectors and clients.

Along with core JavaScript skills, our clients are looking for experience with a range of JavaScript frameworks and libraries to help them deliver great interactive experiences. The options are extensive but for application frameworks the greatest demand is for Angular.js or Backbone.js and using functional tools like Underscore.js or LoDash. On the server side, Node.js is core with increasing demand for experience with non-relational databases such as MongoDB, Redis or CouchDB.

With the advancement of JavaScript, we recruit for range of job titles from Front End Developers, Front End Engineers, JavaScript Developers and JavaScript Engineers, Client Side Developers, User Interface Developers, Node.js Developers and Full Stack JavaScript Developers. PCR Digital mainly focuses on the London market due to its broad spectrum of technology industries, from broadcast, publishing, ecommerce, digital agencies, gaming and media as well as a number of great Silicon Roundabout start-ups and growing businesses. Rates for JavaScript skills are high at the moment as there is a distinct shortage of supply but average market rates currently are £380-£500 a day for contract roles and a permanent role salary ranges from £48,000 mid-weight to £70,000.

The qualifications for someone working with JavaScript can vary from a graduate with a Computer Science Degree to a Computer Science Masters, to a wide range of experience with programming and no degree whatsoever. More and more companies want to see candidates who are enthusiastic about programming as well technically sound.

Agile IOS Developer - Swift

London West/Central London
530pd
First Posted:
21 September 2018

We're looking for an exceptional agile iOS Developer (Swift) to join our well known media client based on site in Chiswick West London. You will be helping them develop exciting next generation iOS apps for mobile Video-on-Demand (VoD) and streaming video/Sports products. You will require strong agile TDD/BDD best practices and care about the code you write and have passion for creating the very best apps.This is a stimulating multi-disciplinary environment that will hopefully challenge your creative and developer skills as never before! With looking for someone with: * 3+ years of hardcore native iOS Development experience, in addition to a solid general software engineering background. * Deep knowledge of Swift as a language and at least a few years of production code Swift. * Experience building rich complex iOS applications for iPhone iPad and Apple TV (tvOS). * Reactive programming experience e.g. RxSwift, RxCocoa. * Experience of working as part of a cross functional Agile delivery team. * Embrace agile software engineering: BDD, TDD, Continuous Integration, Pair Programming etc. * Design appreciation and experience working with UX/UI designers. * Having taken substantive apps from concept through to submission and the App Store. * Strong commitment to quality and an obsessive attention to detail. * Excellent communication skills. You'll be really comfortable in this role if you have: * Strong experience using dependency management & project setup using as CocoaPods, Carthage (and SPM). * Accustomed to using Databases (CoreData, Realm). * Experience with multi-threading and performance optimization. * Extensive knowledge of common iOS design patterns and best practices. * Experience with command line and source code management systems like GIT. * Experience in Protocol oriented programming as well as Object oriented programming. * Experience working with iOS frameworks (e.g. UIKit, auto layout). * Experience in AVFoundation. * Solid understanding of RESTful APIs. * Experience in writing unit tests using XCTest, Nimble, Quick etc. Desirable * Familiarity with CI environments and tools such as CircleCI, Travis, Fastlane * OTT/Video streaming experience. Personal * A track record of delivery, and getting things done. * Passionate about code quality and test coverage. * Perfectionist most of the time, Pragmatist when required. * Great communicator, always keen to discuss your ideas on a whiteboard. * Enjoy showing off your wares - we do regular showcases of our work. * Have fun doing what you do, and this rubs off on the rest of the team.

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PHP Developer - Permanent - Fintech

London All London
£50-60K
First Posted:
21 September 2018

Full Stack PHP Developer - Permanent - Central London - FinTech Startup - Up to £60kDo you want to work for a startup Fintech, building new and exciting technologies that will integrate with banking infrastructure and cryptocurrency? Based right near Embankment tube station in central London, you'll be joining a small but fast growing agile tech team.Initially you'll be working on a variety of projects mainly back end work building APIs and integrations with other third-party financial institutions. Although we need OO PHP at this stage, we're pretty agnostic - we believe in using the right tech for the job!We're looking for; * Object Orientated PHP * Preferably having worked within a small company or startup environment and want to work on something meaningful. * Command Line PHP with MVC * Some solid front-end experience with HTML / CSS / JavaScript would be highly desirable. * Source control management with Git. * Unit Testing with PHPUnit or PHPSpec. - The more the better! * Familiar with creating and parsing data structures in JSON and XML. * Security conscious approach to programming. * You should be familiar with PSR-2 Coding Standards. * MySQL, MariaDB or Amazon Aurora databases.Experience with the following would be beneficial but is not essential as we're a close-knit team and believe in training on the job. * Apache Ant * XML / XSL / XPath * Vagrant + VirtualBox * Amazon Web Services * Postman / Watchman * Jenkins CI * Linux shell * MacOSSome of the perks on offer are; * Be part of a rapidly growing FinTech team, working to make a difference and have fun whilst doing it. * Employee Share Options. * Flexible working hours. * Ability to work from home. * Free coffee. * Office Sonos speaker. * Supportive sociable colleagues.To find out more about this opportunity, the team you'd be working with and the company, please send us a copy of you latest CV and we'll get back to you ASAP.

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Senior Software Engineer- serverless services (Java,C#,Go)

London West/Central London
£550-620
First Posted:
13 September 2018

Senior Software Engineer with strong experience in Java, C#, Go (Preferred) with experience in building serverless services running on GCP or AWS. This role is working for a well known media company in a team building systems to process large video and sports datasets in parallel on massive clusters for Video on Demand VoD/Streaming digital media services and involves the Design, develop, test, support and enhance web applications and backend systems. Required Qualifications and experience * Strong experience in software development working with Java, C#, Go (Preferred) * Experience in building serverless services running on GCP or AWS * Bachelor's degree in Computer Science, Mathematics, a related technical field or equivalent practical experience. Additional preferred experience: * Experience in database design and other data storage solutions. * Interest and ability to learn other coding languages as needed. * Ability to communicate technical concepts clearly and effectively to non technical peopleResponsibilities * Design, develop, test, support and enhance web applications and backend systems. * Build systems to process large video and sports datasets in parallel on massive clusters. * Write and review technical documents, including design, development and revision. * Collaborate with Product and Engineering partners to enhance and integrate core platforms. * Collaborate with Operations Analysts to detect and prevent failures and automate all tasks and workflows

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JavaScript/React Developer - Media Company - West London

London West/Central London
£00 - £550 per day
First Posted:
11 September 2018

JavaScript React Developer - Mass Media Company - West London - Up-to £550 per dayWe are currently looking for an Agile JavaScript (React) developer to join one of the world's largest mass media companies based in West London on an initial 6-month contract.The successful candidates will become an integral part of the team responsible for building a brand-new VOD/OTT Application. You will be involved in the whole lifecycle of the development, from concept and design, architecting the app to deployment and will need to have a passion for creating the very best web apps. You will be working within an agile, behavioural & test-driven development environment, following best practices and care about the code you write. The following technical skills will be essential for success; * Deep understanding of modern JavaScript frameworks (React.js) * Version Control - GIT, Github etc * TDD/Unit testing - Jasmine, Mocha, Jest or similar * Continuous integration - CircleCI and Jenkins * Solid front end skills - HTML5, CSS/SaSS, Ajax, JSON * Confident pair-programming with like-minded developersIt would also be highly beneficial to have a working knowledge of; * Back end technologies - Node.js, PHP, Java etc. * BDD (Cucumber.js) * Server-side rendering * Familiar with Unix/Linux command line * AWS e.g. ECS, CloudWatch, Terraform * Digital OTT or Video on Demand player experienceIf this sounds like you then please apply ASAP and we will be in touch!

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Full Stack PHP Developer - Contract - Video Game Company

England All Locations
£330 per day
First Posted:
5 September 2018

Full Stack PHP Developer - £330 per day - Central London - Gaming/Media Company * Long term rolling contract for the right person - if you've been in a permanent role and want to try contracting, this will be a good, secure first option * Work in Central London * Be part of a MarTec team who are transforming how they work - enabling you to become really strong in Agile, TDD, Pair Programming etc * Great working environment with good work/life balanceOur Video Game and Media client is looking for a PHP Developer to work on a number platforms within the Marketing and Technology teams which enable them to run online digital marketing campaigns, provide consumers with web apps and experiences as well as supporting games web sites and working on internal projects.You will need; * To be a full stack PHP web developer with experience working in a media or technology organisation and understanding online and social media trends and technologies along with domain management, HTML email delivery, web analytics and SEO * Great communication skills - you'll be work with and supporting digital agencies as well as internal teams * Good front end skills - HTML5, CSS3, JavaScript and JS frameworks * Good back end skills - LAMP * Experience with frameworks such as Laravel / Symfony * An understanding of Kanban / Agile delivery approaches and a desire to work in an Agile environment using TDD and doing peer reviews and pair programming * Experience with code repositories/versioning - Git / GitHub / GitLab / Webistrano / CapistranoGit * Experience in Continuous Integration (CI) Continuous Deployment (CD)To find out more about this opportunity, the team you'd be working with and the company, please send us a copy of you latest CV and we'll get back to you ASAP.

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Native App Developer - iOS, MacOS - Accessibility

London West/Central London
£500 - £530 per day
First Posted:
27 August 2018

Native App Developer - iOS, macOS - AccessibilityRolling 3 month contract - West London - up to £530 per dayClient: Global consumer electronicsAre you passionate about building apps that everyone can use, regardless of ability? Would you enjoy working on a team whose role is to support, advise and shape how apps are built, helping to make more applications accessible to more people? If so, then this role could be the perfect opportunity for you.This is a varied role, where you'll be working with global teams. You will be required to audit existing solutions, work with teams throughout the entire lifecycle of a project on new features and solutions, liaise and co-ordinate with various functions, representing the team positively and effectively at all times.You'll need to be technically astute to consult and support with diverse teams and to help them ensure the best outputs, so we are looking for: * Excellent programming skills - particularly Objective C and/or Swift * Good knowledge of UIKit and AppKit * An understanding of accessibility features across Apple products * Knowledge of testing using assistive technologies such as VoiceOver and Switch control (if no commercial experience using these tools, you will need demonstrate your willingness to learn and provide examples of this) * Familiarity with project management methodologies such as Agile and Waterfall * Excellent communication skillsIf this role sounds like a good fit for you and you'd like to find out more about the company, the team and the work, then please send us a copy of your latest CV and we'll be in touch to discuss further.

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AEM Developer

London West/Central London
£500pd
First Posted:
23 April 2018

Our client a well known media brand based in West London is looking for an experienced AEM Developer for a 6 month contract starting immediately or at short notice.Experience required: 1 AEM specific development experience gained over a number of years, ideally including developing white label component library. 2 Building components from scratch 3 Involved in managing multiple site rollouts using solely AEM infrastructure and components 4 Experience working in AGILE teams on intensive rolloutsWe are looking for an AEM Developer to help build and maintain a number of marketing sites.Responsibilities You will carry out development activities and take responsibility for ensuring the timely delivery of allocated development projects. You will take an active role in designing support and implementing best practice development, patterns, and practices, into the existing development team. To ensure that solutions are developed to meet the business needs, match expectations for quality and reliability. To participate in the delivery and implementation of solutions that are compliant with the design and are fit-for- purpose. Produce accurate and unambiguous functional and technical documentation of products, systems and services prior to and during development.Skills* Solid professional Experience working in AEM version 6.1 or higher * Expertise in the AEM Stack: AEM Modules, Granite, Sling, OSGi, JCR, Java 1.8. * Experience with AEM frameworks like HTL (Sightly), Sling Models, Granite UI. * Working experience implementing Templates, Components, Dialogs (Touch UI) and Workflows. * Experience with web application design and analysis, design patterns, and object-oriented design * Experience in multiple web technologies including: HTML, CSS, AJAX / JavaScript, Web Services * Working experience in Java unit testing. * Demonstrated knowledge of Java development tools, such as Maven and Git. * Ability to write complex programs, analyse code changes and make suggestions to improve code complexity for maintainability and scalability. * Experience and desire to work within a fast-paced, iterative development environment; must have experience with Agile.If you are interested and have the relevant experience please send your CV.This role is only available for people with the right to work in the UK. This is not available to those with a tier 2 General visa.

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Accessibility SME

London West/Central London
£375-400 per day
First Posted:
4 December 2017

Accessibility Engineer / Consultant - Contract - West London - Start in December 2017 or January 2018We are looking for an Accessibility Engineer / Consultant to work for a global e-commerce company at their UK Headquarters, based near Uxbridge.The role will sit within a team of consultants and engineers, who work throughout the business from the inception of web projects through to deployment, advising on accessibility, setting standards and helping to put processes in place to ensure that the web development teams deliver world class, fully accessible sites.Projects will vary depending upon the needs of the team you are working with and for this reason we look for a hybrid skill set so that you can work on technical elements of the role and be equally comfortable providing consultancy on accessibility matters.So, ideally we are looking for: * Strong knowledge and experience of accessibility and web standards, WCAG, ARIA * Experience using a range of assistive technology tools such as JAWS, NVDA and VoiceOver * Proven front end development skills - HTML, CSS and JavaScript * Good communication skills with the ability to build relationships and work across a range of teams within a global businessIf you feel your skills and experience would be a good match for this role then please send a copy of you most recent CV and I'll be in touch with you to discuss further.

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Jim Binks

Tim has always been a true professional offering a personal service to both clients and contractors. He is passionate about helping people develop their careers through his keen understanding of broadcast technology.
I recommend Tim highly as an excellent one-stop shop for anyone working in the broadcast engineering business.

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