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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.

Your search returns 31 results.
Permanent

Job Vacancy
Javascript with Agile Software Engineer - Central London

Nexus Jobs Limited
Published on

London, England, United Kingdom
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: Node.js 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
Full-Stack Javascript Developer – Central London

Nexus Jobs Limited
Published on

London, England, United Kingdom
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
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: Node.js 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
Javascript Front End Developer – Central London

Nexus Jobs Limited
Published on

£40k-60k
London, England, United Kingdom
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
Adobe Livecycle Developer with Oracle and Javascript – West London

Nexus Jobs Limited
Published on

London, England, United Kingdom
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.
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Permanent

Job Vacancy
Software Engineer (ElectronJS)

F FIVE
Published on
Javascript
macOS
Node.js

US$150k-200k
United Kingdom
Build high-fidelity productivity infrastructure for a globally distributed workforce—software that operates quietly, reliably, and intelligently in the background. Job Type: Full-time | Location: Remote What You’ll Work On Architect and evolve a cross-platform desktop agent using Electron.js, optimized for performance and minimal resource footprint. Build real-time timekeeping systems with precise event tracking and background execution. Design and implement system-level signal collection (keyboard, mouse, app usage) with strong privacy and efficiency guarantees. Develop offline-first data pipelines with reliable background sync and conflict resolution. Integrate with distributed backend services and internal APIs to enable analytics and reporting. Continuously improve runtime performance, memory efficiency, and fault tolerance. Collaborate with product, design, and backend teams to ship features that directly impact user productivity. What We're Looking For 3+ years building production-grade desktop applications with Electron.js. Strong proficiency in JavaScript/TypeScript and Node.js. Experience designing cross-platform systems (MacOS + Windows) with consistent behavior. Hands-on work with real-time tracking, event streams, or activity monitoring systems. Familiarity with OS-level APIs for capturing user/system interactions. Deep understanding of performance optimization in desktop environments. Strong debugging skills and ability to reason about edge cases in distributed/offline systems. Preferred Experience building productivity, monitoring, or telemetry-driven applications. Knowledge of native OS integrations (permissions, background processes, system hooks). Understanding of security and privacy considerations in user activity tracking. Familiarity with auto-update systems and release management in Electron.
Permanent

Job Vacancy
FrontEnd Developer with Javascript

Nexus Jobs Limited
Published on

£12k-16k
Krakow, Lesser Poland Voivodeship, Poland
FrontEnd Developer with Javascript Using the latest technologies, processes and tools to deliver state of the art web applications and innovation experiments (PoCs) Be responsible for translating business requirements into robust, scalable and reusable solutions Working as part of multi-disciplinary agile pods with other technical, creative and business roles Participate in engineering discipline, best practice and standards compliance within Innovation Programme and HSBC IT Requirements: 3+ years’ commercial experience The ideal candidates for this role will have expertise in the following: JavaScript / react.js / jQuery / npm / CSS / Sass / Less / HTML 5 / bootstrap Experience in consuming REST APIs and utilising JSON for web applications CI/CD - tools such as Jenkins, Nexus Version control and collaboration - GitHub Knowledge is desirable, but not essential in the following: Microsoft SharePoint 2013/Online – publishing features Good working knowledge of cloud technologies like AWS, Azure and GCP Agile methodologies – Scrum, Kanban Agile Tooling – Jira, Confluence, Slack In addition to the details listed above, the ideal candidate will have a mindset of an Innovator: curious, meticulous, connected, creative and communicative The Client is based in Krakow Poland – you will be working remotely for now – but will require to be available for meetings in Krakow Poland. The salary for this role is up to PLN 16K per month. Please do send your CV to us in Word format along with you salary and availability.
Permanent

Job Vacancy
Frontend Engineer (Tailwind) | Remote

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Published on
Javascript

United Kingdom

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Contractor

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Senior Netsuite Developer with Javascript and SQL

Nexus Jobs Limited
Published on

£350-500
Holborn, England, United Kingdom
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.
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Contractor

Contractor job
Software Engineer - AI project

F FIVE
Published on
Javascript
Node.js
PostgreSQL

1 year
US$400-550
United Kingdom
💻 Software Engineer - $180,000 - $250,000/year Remote | Full-time | TypeScript | React | Node.js | PostgreSQL We're looking for an early-career Software Engineer to join a fast-growing team building AI-powered recruitment technology. In this role, you'll help develop and improve products that automate candidate sourcing, screening, and hiring workflows. You'll work across the full stack, collaborate with experienced engineers, and contribute to building scalable solutions used by companies worldwide. This is an excellent opportunity for someone with strong fundamentals in software development who wants to gain hands-on experience working with modern technologies, cloud infrastructure, and AI-driven products. PST timezone overlap required (at least 6-8 hours). Responsibilities Contribute to the design and development of fullstack systems powering core product workflows Build backend services and APIs with guidance, focusing on clean, maintainable code Develop user-facing features and interfaces that ship directly to real users Support data modeling efforts and learn best practices for database performance and scalability Collaborate with product and design teams to turn ideas into working features Participate in code reviews, testing, and continuous improvement of engineering quality Help debug issues and learn how to maintain reliable production systems Requirements Early-career Software Engineer in Computer Science, Computer Engineering, or a related field Solid fundamentals in JavaScript/TypeScript Familiarity with frontend frameworks like React Familiarity with backend development (Node.js) Exposure to databases (PostgreSQL or similar) and general data modeling concepts Understanding of how APIs work and how applications communicate Curiosity, strong willingness to learn, and attention to detail Nice to Have (Not Required) Internship experience in software engineering. Exposure to cloud platforms (AWS, GCP, or Azure). Familiarity with Git, CI/CD basics, or deployment workflows. Interest in AI, data-driven products, or modern system design. Experience working on team projects or hackathons. How to Apply Apply for this position with your CV If your profile is selected, you'll be invited to complete a short AI-powered interview (20–30 minutes, fully asynchronous), featuring questions based on your experience, projects, and CV. Candidates who successfully pass the screening process will be contacted regarding the next steps.
Permanent

Job Vacancy
Frontend Software Developer with Javascript HTML

Nexus Jobs Limited
Published on

£40k-50k
United Kingdom
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 Front End D3 Javascript Software Engineer - Holborn

Nexus Jobs Limited
Published on

£70k-90k
Holborn, England, United Kingdom
Senior Front End D3 Javascript Software Engineer - Holborn Our Client wants to recruit a Senior Front End Software Developer with at least 7 to 10 years expertise of working with D3 React and Javascript. You will be involved with creating sophisticated, robust and easy to use web apps whilst working in a close-knit team who solve complex problems, together. The Client works with very latest cutting edge Front End Technologies. You will be working to create data-heavy applications for the Company’s principle client, a major management consultancy undergoing a large-scale digital transformation. Responsibilities Delivering pixel-perfect, high-quality code in a timely manner. Creating easy to use, easy to understand applications Participate in technical discussions with technical leads and within your team. Key Skills Required: Exceptional track record in delivering quality front end engineering solutions. A thorough understanding of React.js and its core principles and workflows (such as Flux or Redux) Data visualisation experience, including with D3.js Experience with continuous integration, test automation, and monitoring You must have the following skills: Strong proficiency in JavaScript, CSS, HTML including DOM manipulation and the JavaScript object model Familiarity with RESTful APIs Knowledge of modern authorization mechanisms, such as JSON Web Token Familiarity with modern front-end build pipelines and tools Experience with common front-end development tools such as Babel, Webpack, NPM, etc. Familiarity with code versioning tools The Client is based in Holborn London. The salary for this role is in the range £70K - £90K. Please send your CV to us in Word format along with your salary and availability.
Permanent

Job Vacancy
Front and Backend C# Dot Net Javascript Software Developer with Umbraco

Nexus Jobs Limited
Published on

£55k-65k
West Ham, England, United Kingdom
Front and Backend C# Dot Net Javascript Software Developer with Umbraco Our Client is an established leader in the travel industry. They are looking to recruit a Full Stack Dot Net Software Developer to work on a major transformation programme for this award-winning Luxury Travel Company. Projects will include designing and implementing web based tools to automate operational tasks and improve accuracy of pricing and management information and web site enhancements. We are seeking an individual who is looking to take on the technical design and implementation of technical solutions for the business. The Client works with a number of third party suppliers and the candidate will also liaise and work closely with our vendors to help deliver solutions, as required. Depending on your expertise you will have the opportunity to take on the management of projects involving multiple stakeholders and vendors. You will be responsible for: Design and implementation of web based tools to automate a variety of business processes Implementation of enhancements to the company website (built on Umbraco) Interfacing with business systems and data warehouse to implement the required functionality Analysing and identifying ways to automate processes working alongside the business lead Designing and validating the technical suitability of proposed solutions including database design and software approaches proposed by vendors Taking on complex business change projects that involve multiple stakeholders and suppliers Potential for managing suppliers tightly to ensure delivery of our requirements within budget and on time Risk and issue management to ensure a pro-active approach is taken to managing these Skills and Experience: The Client would ideally like to see some experience with specific retail Travel Industry domain knowledge Track record of delivering projects involving in-house resources and/or third party suppliers Ability to design and architect technical solutions to complex business problems Full Stack development experience (ASP.NET, C#, HTML, CSS, JavaScript, JQuery, ReactJS, AngularJS, MS SQL Server) CMS experience e.g. with Umbraco – experience of Umbraco would be a plus Continuous Delivery skills, tools and techniques (e.g. Git, Github, Jenkins, Docker, Vagrant, Chef, Puppet, Selenium, etc.) Familiar with Azure cloud services & setting up/managing resources/deploying apps Experience in implementing business process automation Capable of working with (and developing) multiple (REST) APIs documented with e.g. OpenAPI/swagger PowerBI, PowerQuery, Dax & M Other API messaging formats e.g. JSON, XML, SOAP Experience of structured testing and quality assurance approaches (e.g. Test Driven Development and Behaviour Driven Development) A positive and cooperative individual who will work effectively across departments and within a team Ability to understand and document business requirements This is an exciting new role at this organisation – salary range £50K - £65K. The company is based in London. Please send your CV to us in Word format along with your salary and availability.
Permanent

Job Vacancy
Frontend Developer | $70/hr Remote

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Published on
Git
Javascript
Sass

United Kingdom

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Permanent

Job Vacancy
Full-Stack Engineer (Frontend-focused) | $55/hr Remote

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Published on
HTML
HTML5
Java

United Kingdom

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Permanent
Contractor

Job Vacancy
Freelance Frontend Developer (Landing Pages & Websites)

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Published on
Figma
HTML
HTML5

United Kingdom

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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.

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Rate minimum.

£150 £1300 and more

Salary minimum

£20k £250k

Experience

0-2 years experience 3 to 5 years experience 6 to 10 years experience +10 years experience

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