Find your next tech and IT Job or contract Javascript in London

What you need to know about Javascript

JavaScript is a versatile scripting language primarily used for enhancing web pages and applications. It enables interactive and dynamic content, making it a cornerstone of modern web development.

View the latest IT & tech jobs in London, where a vibrant tech scene offers diverse opportunities in fintech, software development, and more.

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Permanent

Job Vacancy
Javascript Front End Developer- Central London

Nexus Jobs Limited
Published on

£40k-60k
London, England, United Kingdom

Job Description Javascript Front End Developer - Central London JavaScript Engineer required to join a fast growing company and shape the future of payments cross-platform and cross-device? Evolving in an agile and collaborative environment, you will be part of a multidisciplinary and excellence-driven team and bring your solid native JavaScript skills and perspective to all projects that you're involved in. The role is uniquely positioned to be deeply involved in the entire product lifecycle, working side by side with Front-End & Back-End Developers, Architects and Designers towards a common goal: provide millions of online shoppers worldwide with the best possible payment experience. The ideal candidate must live and breathe agile and firmly believe in creating clean, testable code. Key Responsibilities Create intuitive, robust, and reusable user interfaces using Vanilla JS Build cross platform, cross browser, responsive HTML5 and CSS3 Engage in the entire product development cycle to understand business objectives and user goals, and ensure solutions offer true value to our customers Produce high quality solutions that will enhance or simplify existing processes Work with designers to promote brand and interface guidelines Encourage the use of best practices and workflows throughout the organization Contribute to team discussions and stand-ups Mentor Junior Team members Skills & Experience Excellent JavaScript (Vanilla) with code patterns Good knowledge of some JS frameworks (e.g. Angular, Backbone) Complete understanding of the full web stack Solid knowledge of CSS pre-processors (SASS, LESS) and HTML5 Knowledge of some server side languages (e.g. PHP, NodeJS) Knowledge of some client / server testing framework (e.g. Mocha, Jasmine, JUnit) Bilingual English and JavaScript Salary will be in the range £40K to £60K Per Annum. Please send your CV to us in Word format.

Permanent

Job Vacancy
Full-Stack Javascript Developer- Central London

Nexus Jobs Limited
Published on

London, England, United Kingdom

Job Description Full-Stack Javascript Developer - Central London Our Client is urgently looking to recruit a Full-Stack Java Developer with very strong Javascript development expertise. You must have at least 3 to 5 years experience as a Full-Stack Developer with Javascript fundamentals, design patterns, and OOP - Object Oriented Programming. So you must have at least 5 years front and back-end development expertise. For the Back-End part of the position you must have the following skills: Experience of Node JS or JAVA, PHP, Python - which are preferred along with strong problem solving and Data Structure. Must have excellent knowledge of HTML5 and CSS3 plus This is a 6 to 12 month assignment based in Central London. Please send your CV to us in Word format along with daily rate and availability.

Permanent

Job Vacancy
Frontend Software Developer with Javascript HTML

Nexus Jobs Limited
Published on

£40k-50k
London, England, United Kingdom

Job Description Frontend Software Developer with Javascript and HTML Our Client is looking to recruit Frontend Software Developer with at least 3 to 5 years experience of developing Frontend software with Javascript and HTML Working as part of the Digital team, you'll be responsible for and delivering some exciting frontend and UX improvements to an eCommerce website as well as other internal applications for this award-winning Luxury Travel Company. The Role You will be responsible for: Own the frontend of the eCommerce website, making continual improvements Collaborating with the back end developer and design resource to deliver improved UI & UX Participate in design discussions and be the voice of the customer on usability Skills and Experience: Excellent working knowledge of HTML, JavaScript, jQuery, CSS & React Framework Previously delivered multiple responsive websites Happy to develop from both wireframes and full designs Experience of working with and developing alongside a CMS (preferably with Umbraco) Capable of working with multiple (REST) APIs documented with e.g. OpenAPI/swagger and other API messaging formats e.g. JSON, XML, SOAP Good knowledge of technical SEO best practices, familiar with LightHouse on assessing page load times Worked in an agile/Kanban environment and familiar with JIRA and confluence Familiar with Git and source control The Clients offices are based in Central London and this role will be remote working. The salary for this role will be in the range £40K to £50K. Do send your CV to us in Word format along with your salary and availability.

Permanent

Job Vacancy
Senior Netsuite Developer with Javascript and SQL

Nexus Jobs Limited
Published on

London, England, United Kingdom

Job Description Senior Netsuite Developer Our Client is a leading company who are looking to recruit a Senior Netsuite Developer with Javascript and SQL with extensive Netsuite OneWorld expertise. You will have a degree in Computer Sciences or equivalent certifications. Must have technical working knowledge of NetSuite OneWorld Financials platform, including relevant NetSuite certifications. Ideally have at least 5 to 7 years experience of developing in Javascript and Oracle SQL in order to develop applications for Netsuite including a minimum 5 years in NetSuite OneWorld. Experience of full software delivery lifecycle including capturing business requirements, developing solutions, user testing & training, post go-live support and optimisation. Experience of integrating Finance packages with other strategic solutions including CRM and eCommerce platforms. Must be a creative thinker, with the ability to proactively identify areas for potential improvement (process and functionality). Have the ability lead initiatives and solution enhancements. With confidence and judgement to plan and accomplish goals. Ability to translate business/operational requirements into effective and efficient systems solutions. Experience to manage conflicting priorities/complex workload. You must have extensive experience of all NetSuite financial modules is essential, as is their interfacing with other platforms. The Client has offices in Holborn London. Please send your CV to us in Word format along with your rate along with your availability.

Permanent

Job Vacancy
Senior Netsuite Developer with Javascript and SQL

Nexus Jobs Limited
Published on

London, England, United Kingdom

Job Description Senior Netsuite Developer Our Client is a leading company who are looking to recruit a Senior Netsuite Developer with Javascript and SQL with extensive Netsuite OneWorld expertise. You will have a degree in Computer Sciences or equivalent certifications. Must have technical working knowledge of NetSuite OneWorld Financials platform, including relevant NetSuite certifications. Ideally have at least 5 to 7 years experience of developing in Javascript and Oracle SQL in order to develop applications for Netsuite including a minimum 5 years in NetSuite OneWorld. Experience of full software delivery lifecycle including capturing business requirements, developing solutions, user testing & training, post go-live support and optimisation. Experience of integrating Finance packages with other strategic solutions including CRM and eCommerce platforms. Must be a creative thinker, with the ability to proactively identify areas for potential improvement (process and functionality). Have the ability lead initiatives and solution enhancements. With confidence and judgement to plan and accomplish goals. Ability to translate business/operational requirements into effective and efficient systems solutions. Experience to manage conflicting priorities/complex workload. You must have extensive experience of all NetSuite financial modules is essential, as is their interfacing with other platforms. The Client has offices in Holborn London. Please send your CV to us in Word format along with your rate along with your availability.

Permanent

Job Vacancy
Senior Netsuite Developer with Javascript and SQL

Nexus Jobs Limited
Published on

London, England, United Kingdom

Job Description Senior Netsuite Developer Our Client is a leading company who are looking to recruit a Senior Netsuite Developer with Javascript and SQL with extensive Netsuite OneWorld expertise. You will have a degree in Computer Sciences or equivalent certifications. Must have technical working knowledge of NetSuite OneWorld Financials platform, including relevant NetSuite certifications. Ideally have at least 5 to 7 years experience of developing in Javascript and Oracle SQL in order to develop applications for Netsuite including a minimum 5 years in NetSuite OneWorld. Experience of full software delivery lifecycle including capturing business requirements, developing solutions, user testing & training, post go-live support and optimisation. Experience of integrating Finance packages with other strategic solutions including CRM and eCommerce platforms. Must be a creative thinker, with the ability to proactively identify areas for potential improvement (process and functionality). Have the ability lead initiatives and solution enhancements. With confidence and judgement to plan and accomplish goals. Ability to translate business/operational requirements into effective and efficient systems solutions. Experience to manage conflicting priorities/complex workload. You must have extensive experience of all NetSuite financial modules is essential, as is their interfacing with other platforms. The Client has offices in Holborn London. Please send your CV to us in Word format along with your rate along with your availability.

Permanent

Job Vacancy
Senior Netsuite Developer with Javascript and SQL

Nexus Jobs Limited
Published on

London, England, United Kingdom

Job Description Senior Netsuite Developer Our Client is a leading company who are looking to recruit a Senior Netsuite Developer with Javascript and SQL with extensive Netsuite OneWorld expertise. You will have a degree in Computer Sciences or equivalent certifications. Must have technical working knowledge of NetSuite OneWorld Financials platform, including relevant NetSuite certifications. Ideally have at least 5 to 7 years experience of developing in Javascript and Oracle SQL in order to develop applications for Netsuite including a minimum 5 years in NetSuite OneWorld. Experience of full software delivery lifecycle including capturing business requirements, developing solutions, user testing & training, post go-live support and optimisation. Experience of integrating Finance packages with other strategic solutions including CRM and eCommerce platforms. Must be a creative thinker, with the ability to proactively identify areas for potential improvement (process and functionality). Have the ability lead initiatives and solution enhancements. With confidence and judgement to plan and accomplish goals. Ability to translate business/operational requirements into effective and efficient systems solutions. Experience to manage conflicting priorities/complex workload. You must have extensive experience of all NetSuite financial modules is essential, as is their interfacing with other platforms. The Client has offices in Holborn London. Please send your CV to us in Word format along with your rate along with your availability.

Permanent

Job Vacancy
Senior Netsuite Developer with Javascript and SQL

Nexus Jobs Limited
Published on

London, England, United Kingdom

Job Description Senior Netsuite Developer Our Client is a leading company who are looking to recruit a Senior Netsuite Developer with Javascript and SQL with extensive Netsuite OneWorld expertise. You will have a degree in Computer Sciences or equivalent certifications. Must have technical working knowledge of NetSuite OneWorld Financials platform, including relevant NetSuite certifications. Ideally have at least 5 to 7 years experience of developing in Javascript and Oracle SQL in order to develop applications for Netsuite including a minimum 5 years in NetSuite OneWorld. Experience of full software delivery lifecycle including capturing business requirements, developing solutions, user testing & training, post go-live support and optimisation. Experience of integrating Finance packages with other strategic solutions including CRM and eCommerce platforms. Must be a creative thinker, with the ability to proactively identify areas for potential improvement (process and functionality). Have the ability lead initiatives and solution enhancements. With confidence and judgement to plan and accomplish goals. Ability to translate business/operational requirements into effective and efficient systems solutions. Experience to manage conflicting priorities/complex workload. You must have extensive experience of all NetSuite financial modules is essential, as is their interfacing with other platforms. The Client has offices in Holborn London. Please send your CV to us in Word format along with your rate along with your availability.

Permanent

Job Vacancy
Full-Stack Javascript Developer- Central London

Nexus Jobs Limited
Published on

London, England, United Kingdom

Job Description Full-Stack Javascript Developer - Central London Our Client is urgently looking to recruit a Full-Stack Java Developer with very strong Javascript development expertise. You must have at least 3 to 5 years experience as a Full-Stack Developer with Javascript fundamentals, design patterns, and OOP - Object Oriented Programming. So you must have at least 5 years front and back-end development expertise. For the Back-End part of the position you must have the following skills: Experience of Node JS or JAVA, PHP, Python - which are preferred along with strong problem solving and Data Structure. Must have excellent knowledge of HTML5 and CSS3 plus This is a 6 to 12 month assignment based in Central London. Please send your CV to us in Word format along with daily rate and availability.

Permanent

Job Vacancy
Javascript with Agile Software Engineer - Central London

Nexus Jobs Limited
Published on

£60k-85k
London, England, United Kingdom

Job Description Javascript and Agile Software Developer - Central London The Client Developer will be responsible for the development and delivery of all client side aspects of our product, developing new features and launching new platforms. A successful candidate will have a proven ability in delivering customer facing JavaScript applications, in an Agile software development environment and a passion for building a world class product. As part of the tech team, you will play a lead role in this by designing and building world leading streaming services across web, mobile and TV platforms, working on new feature releases and evolving the next phase of our application framework. With a rapidly expanding company; growth within the team and opportunities to lead engineering initiatives are abundant. We need people who want to help us build a strong engineering culture and a fun, vibrant workplace. You will deliver high quality, robust and testable code adhering to internal engineering procedures, code conventions and development methodologies. Contribute to comprehensive documentation that supports the development and support lifecycles. Work to continually improve software deployment to ensure iterative releases and rapid deployment of updates to our customers across all platforms. Mentoring and supporting other developers with their day-to-day work. Monitor system performance and resolve any issues or failures in staging or production environments. Must have experience with JavaScript (vanilla JS, prototypes, scoping, design patterns, memory profiling). Track record of successful software delivery through all phases of development, including coding standards, code reviews, source control management, build processes, testing, and operations. Working knowledge of object-oriented design, design patterns and extreme programming. Familiar with build automation and continuous integration 3Ability to write unit tests using JavaScript in a common library such as Jasmine. Any experience of the following sills would be pretty handy: NXX XX XX XX XX or other programming languages Cross-platform development preferable on smart TV and consoles Development of a high-profile digital video service Test driven development Experience with AWS, Docker, Kubernetes Experience of working in an Agile software development environment. Location is Central London. Please send your CV to us urgently for this contract assignment in Word format along with your salary and availability.

Permanent

Job Vacancy
Frontend Software Developer with Javascript HTML

Nexus Jobs Limited
Published on

£40k-50k
London, England, United Kingdom

Job Description Frontend Software Developer with Javascript and HTML Our Client is looking to recruit Frontend Software Developer with at least 3 to 5 years experience of developing Frontend software with Javascript and HTML Working as part of the Digital team, you'll be responsible for and delivering some exciting frontend and UX improvements to an eCommerce website as well as other internal applications for this award-winning Luxury Travel Company. The Role You will be responsible for: Own the frontend of the eCommerce website, making continual improvements Collaborating with the back end developer and design resource to deliver improved UI & UX Participate in design discussions and be the voice of the customer on usability Skills and Experience: Excellent working knowledge of HTML, JavaScript, jQuery, CSS & React Framework Previously delivered multiple responsive websites Happy to develop from both wireframes and full designs Experience of working with and developing alongside a CMS (preferably with Umbraco) Capable of working with multiple (REST) APIs documented with e.g. OpenAPI/swagger and other API messaging formats e.g. JSON, XML, SOAP Good knowledge of technical SEO best practices, familiar with LightHouse on assessing page load times Worked in an agile/Kanban environment and familiar with JIRA and confluence Familiar with Git and source control The Clients offices are based in Central London and this role will be remote working. The salary for this role will be in the range £40K to £50K. Do send your CV to us in Word format along with your salary and availability.

Permanent

Job Vacancy
Senior Netsuite Developer with Javascript and SQL

Nexus Jobs Limited
Published on

London, England, United Kingdom

Job Description Senior Netsuite Developer Our Client is a leading company who are looking to recruit a Senior Netsuite Developer with Javascript and SQL with extensive Netsuite OneWorld expertise. You will have a degree in Computer Sciences or equivalent certifications. Must have technical working knowledge of NetSuite OneWorld Financials platform, including relevant NetSuite certifications. Ideally have at least 5 to 7 years experience of developing in Javascript and Oracle SQL in order to develop applications for Netsuite including a minimum 5 years in NetSuite OneWorld. Experience of full software delivery lifecycle including capturing business requirements, developing solutions, user testing & training, post go-live support and optimisation. Experience of integrating Finance packages with other strategic solutions including CRM and eCommerce platforms. Must be a creative thinker, with the ability to proactively identify areas for potential improvement (process and functionality). Have the ability lead initiatives and solution enhancements. With confidence and judgement to plan and accomplish goals. Ability to translate business/operational requirements into effective and efficient systems solutions. Experience to manage conflicting priorities/complex workload. You must have extensive experience of all NetSuite financial modules is essential, as is their interfacing with other platforms. The Client has offices in Holborn London. Please send your CV to us in Word format along with your rate along with your availability.

Permanent

Job Vacancy
Javascript with Agile Software Engineer - Central London

Nexus Jobs Limited
Published on

London, England, United Kingdom

Job Description Javascript and Agile Software Developer - Central London The Client Developer will be responsible for the development and delivery of all client side aspects of our product, developing new features and launching new platforms. A successful candidate will have a proven ability in delivering customer facing JavaScript applications, in an Agile software development environment and a passion for building a world class product. As part of the tech team, you will play a lead role in this by designing and building world leading streaming services across web, mobile and TV platforms, working on new feature releases and evolving the next phase of our application framework. With a rapidly expanding company; growth within the team and opportunities to lead engineering initiatives are abundant. We need people who want to help us build a strong engineering culture and a fun, vibrant workplace. You will deliver high quality, robust and testable code adhering to internal engineering procedures, code conventions and development methodologies. Contribute to comprehensive documentation that supports the development and support lifecycles. Work to continually improve software deployment to ensure iterative releases and rapid deployment of updates to our customers across all platforms. Mentoring and supporting other developers with their day-to-day work. Monitor system performance and resolve any issues or failures in staging or production environments. Must have experience with JavaScript (vanilla JS, prototypes, scoping, design patterns, memory profiling). Track record of successful software delivery through all phases of development, including coding standards, code reviews, source control management, build processes, testing, and operations. Working knowledge of object-oriented design, design patterns and extreme programming. Familiar with build automation and continuous integration 3Ability to write unit tests using JavaScript in a common library such as Jasmine. Any experience of the following sills would be pretty handy: NXX XX XX XX XX or other programming languages Cross-platform development preferable on smart TV and consoles Development of a high-profile digital video service Test driven development Experience with AWS, Docker, Kubernetes Experience of working in an Agile software development environment. Contract duration will be 6 months. Location is Central London. Please send your CV to us urgently for this contract assignment in Word format along with your daily rate and availability.

Permanent

Job Vacancy
Javascript with Agile Software Engineer - Central London

Nexus Jobs Limited
Published on

London, England, United Kingdom

Job Description Javascript and Agile Software Developer - Central London The Client Developer will be responsible for the development and delivery of all client side aspects of our product, developing new features and launching new platforms. A successful candidate will have a proven ability in delivering customer facing JavaScript applications, in an Agile software development environment and a passion for building a world class product. As part of the tech team, you will play a lead role in this by designing and building world leading streaming services across web, mobile and TV platforms, working on new feature releases and evolving the next phase of our application framework. With a rapidly expanding company; growth within the team and opportunities to lead engineering initiatives are abundant. We need people who want to help us build a strong engineering culture and a fun, vibrant workplace. You will deliver high quality, robust and testable code adhering to internal engineering procedures, code conventions and development methodologies. Contribute to comprehensive documentation that supports the development and support lifecycles. Work to continually improve software deployment to ensure iterative releases and rapid deployment of updates to our customers across all platforms. Mentoring and supporting other developers with their day-to-day work. Monitor system performance and resolve any issues or failures in staging or production environments. Must have experience with JavaScript (vanilla JS, prototypes, scoping, design patterns, memory profiling). Track record of successful software delivery through all phases of development, including coding standards, code reviews, source control management, build processes, testing, and operations. Working knowledge of object-oriented design, design patterns and extreme programming. Familiar with build automation and continuous integration 3Ability to write unit tests using JavaScript in a common library such as Jasmine. Any experience of the following sills would be pretty handy: NXX XX XX XX XX or other programming languages Cross-platform development preferable on smart TV and consoles Development of a high-profile digital video service Test driven development Experience with AWS, Docker, Kubernetes Experience of working in an Agile software development environment. Contract duration will be 6 months. Location is Central London. Please send your CV to us urgently for this contract assignment in Word format along with your daily rate and availability.

Permanent

Job Vacancy
React UI Developer Fintech

Huxley
Published on

£50k-70k
London, England, United Kingdom

React UI Developer Fintech London £50-70k We have a new and exclusive opportunity for a strong UI Developer/ Software developer engineer to join our thriving Fintech business as they expand their digital client portal team Role details • Job title: Software engineer • Focus: Front End UI Development • Technical stack- React, NXX XX XX XX XX and TypeScript • Permanent role, salary £50,000- £70,000 • Location: 3 days a week in London Paddington and home working hybrid • Employer: FX & Payments fintech business Our Fintech client are looking for a UI Developer/ Software developer engineer to join their digital client portal team. This portal focuses on daily financial tasks such as payments, funds, transfers and client on boarding. You will be developing new features alongside maintaining existing ones and there is a real drive to design and develop high quality payment systems that are scalable, secure and aligns with financial regulations. As part of this client's growth they are hiring for this role- mid level developer, and a senior experienced developer with more focus on CSS & Figma designs. This role is looking for strengths in web development across React and typescript with a strong understanding of modern front-end development Any experience within fintech/asset management/ FX, Payments or money is useful but not essential We are specifically looking for React web developers who are strongest expertise in React, as this is the primary focus of the role. Additionally, it's important to have a good understanding and, ideally, some hands-on experience with NXX XX XX XX XX and TypeScript. If you are looking for a new opportunity to use your Web development and UI development skills- please get in touch! For more information and the chance to be considered- please do send through a CV through to good luck! To find out more about Huxley, please visit XX XX XX XX XX Huxley, a trading division of SThree Partnership LLP is acting as an Employment Business in relation to this vacancy | Registered office | 8 Bishopsgate, London, EC2N 4BQ, United Kingdom | Partnership Number | OC387148 England and Wales

Permanent

Job Vacancy
Adobe Livecycle Developer with Oracle and Javascript- West London

Nexus Jobs Limited
Published on

London, England, United Kingdom

Job Description Adobe Livecycle Developer with Oracle and Javascript - West London We urgently require an Adobe Livecycle Developer with Oracle and Javascript experience. Must have at least 2 to 3 years experience of working with Adobe Livecycle coupled with Oracle and PL/SQL. You will be involved in working with stakeholder and sponsor functions to understand business requirements for Automated workflow and Deal management application (Subscriber and Supplier) Manage the life-cycle of existing and proposed applications including; Development dynamic PDF forms using XML and JavaScript Development of process workflows using configurable JAVA components Maintenance and Support for existing workflows and forms Enhancements User training and end-user support Solution design to optimize existing process, identify productivity and efficiency gain and align to business/end user benefit Define interfaces and controls on distribution of data and the consuming applications Evaluate options to solve business challenges and make recommend on the most effective end-to-end business solution to build and deploy Establish tools and methodologies to capture customer data and transform to new application Provide comprehensive analysis of existing processes (including business problems, efficiency issues and data issues) in order to create solutions for streamlined workflows that improve quality, consistency, synergy and efficiency. Participate in evaluating process resources and accurately assess the risks associated with each process Fully document proposed solutions at a functional and technical level. Programming courses, knowledge of XML and Xpath, JavaScript, PL/SQL, HTML and CSS and Web Services and SOAP This is a 3 month contract to start immediately. Please send your CV to us in Word format.

Contract roles and jobs for Javascript

Front-End Developer (JavaScript, Node, React, Angular, Vue...)

The front-end developer uses JavaScript to build dynamic and interactive user interfaces in collaboration with designers and product teams.

Fullstack Developer

The fullstack developer leverages JavaScript to work on both the front-end and back-end, building complete and efficient web applications.

Video Game Developer

The game developer uses JavaScript to program game mechanics, interactions, and animations in 2D or 3D environments.

UI Designer / Art Director / Web Designer

The UI designer uses JavaScript to integrate interactive visual elements, enhance user experience, and ensure smooth transitions.

86 results

Contracts

Contractor Permanent

Location
1

London, England, United Kingdom

Remote type

Hybrid Remote On-site

Rate minimum.

£150 £1300 and more

Salary minimum

£20k £250k

Experience

< 2 years experience 2 to 5 years experience 5 to 10 years experience > 10 years experience

Date posted

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