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

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.

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.

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.

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.

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.

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.

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.

Title: Skilled React Developer Wanted to Join Our Leading Tech Company in London! Introductory Paragraph: We are a dynamic and innovative tech company looking to expand our team with a highly skilled React Developer. As the successful candidate, you will join a team of talented developers and work with cutting-edge technologies to develop high-quality web applications. Qualifications: We are seeking a candidate with a Bachelor's or Master's degree in Computer Science or a related field. You should have previous experience building high-quality web applications using ReactJS and demonstrate excellent communication skills. The ability to work collaboratively within teams is essential. Skills: You should have a strong proficiency with JavaScript (ES6+), HTML5, and CSS3. Experience using Redux for state management is essential, and you should have a solid understanding of server-side rendering techniques. Familiarity with Agile methodologies such as Scrum is also desirable. Responsibilities: As a React Developer, you will be responsible for developing and maintaining web applications using ReactJS. You will collaborate with our team of developers and designers to create exceptional user experiences. You will also work with our QA team to ensure the quality and stability of our applications. Salary and Benefits: The chosen candidate can expect an excellent remuneration package of up to £70k per annum based on qualifications and experience. We also offer a range of benefits, including a pension scheme and private healthcare. Don't miss out on this fantastic opportunity to join our team and work on exciting projects. If you are a skilled React Developer with a passion for innovation, please send your CV and cover letter to us today. Show us why you are the perfect fit for our clients' requirements! To find out more about SThree, please visit -hidden link- 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

React & Typescript developer fintech London We are seeking a talented and enthusiastic React & Typescript developer to join our small, tight-knit tech team and help by building and maintaining innovative solutions as we rapidly scale. Role details • Title: React Developer • Technical stack: React development, Typescript, JavaScript, AWS, Tailwind • Permanent role, salary £50,000- £60,000 • Location: 3 days a week in London Paddington and home working hybrid • Employer: FX & Payments fintech business Technical stack • React development • Typescript • JavaScript • AWS • Tailwind The project is a user centric portal so covers the below • Sales • Orders • Transactions • Trading • Onboarding • So, experience on any of these types of projects is beneficial but not essential Role Responsibilities • Develop and maintain high-quality, scalable software using React, TypeScript & JavaScript • Collaborate with cross-functional teams, including sales, trading and Marketing, troubleshoot, support, and ship new features • Participate in code reviews and contribute to technical discussions • Optimise applications for maximum speed and scalability • Implement robust security measures and data protection protocols • Stay abreast of emerging technologies and industry trends • Mentor junior developers, fostering their growth and skill development Key Requirements • Minimum 2 years of professional software development experience • Strong proficiency in React, , and TypeScript • Experience with AWS or similar cloud platforms • Experience in banking/ financial services with experience with FX or Payments is beneficial but not essential • Must be UK-based with the right to work in the UK Experience: • React: 2 years+ (preferred) • TypeScript: 2 years+ (preferred) • JavaScript: 2 years+ (preferred) • AWS, Tailwind This is a thriving business, with a solid business plan and a bright future- including winning 5 awards this year alone, now is a great time to join and working with bright, talented people We value diversity and inclusion, welcoming people of different backgrounds and abilities. We're more interested in finding the right person who is smart and gets things done, rather than someone with a perfect skillset. For more information, and the chance to be considered, please do send through a CV 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

React & Typescript developer fintech London We are seeking a talented and enthusiastic React & Typescript developer to join our small, tight-knit tech team and help by building and maintaining innovative solutions as we rapidly scale. Role details • Title: React Developer • Technical stack: React development, Typescript, JavaScript, AWS, Tailwind • Permanent role, salary £50,000- £60,000 • Location: 3 days a week in London Paddington and home working hybrid • Employer: FX & Payments fintech business Technical stack · React development · Typsecript · JavaScript · AWS · Tailwind The project is a user centric portal so covers the below · Sales · Orders · Transactions · Trading · Onboarding So experience on any of these types of projects is beneficial but not essential Role Responsibilities - Develop and maintain high-quality, scalable software using React, TypeScript & JavaScript - Collaborate with cross-functional teams, including sales, trading and Marketing, troubleshoot, support, and ship new features - Participate in code reviews and contribute to technical discussions - Optimise applications for maximum speed and scalability - Implement robust security measures and data protection protocols - Stay abreast of emerging technologies and industry trends - Mentor junior developers, fostering their growth and skill development Key Requirements - Minimum 2 years of professional software development experience - Strong proficiency in React, , and TypeScript - Experience with AWS or similar cloud platforms · Experience in banking/ financial services with experience with FX or Payments is beneficial but not essential - Must be UK-based with the right to work in the UK Experience: React: 2 years+ (preferred) TypeScript: 2 years+ (preferred) JavaScript: 2 years+ (preferred) AWS, Tailwind This is a thriving business, with a solid business plan and a bright future- including winning 5 awards this year alone, now is a great time to join and working with bright, talented people We value diversity and inclusion, welcoming people of different backgrounds and abilities. We're more interested in finding the right person who is smart and gets things done, rather than someone with a perfect skillset. For more information, and the chance to be considered, please do send through a CV 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

REACT Front-End Developer London Salary: Up to £60k (DOE) My client, an innovative financial services agency, is looking for a talented REACT Typescript Front-End Developer specialising in React to join their growing team. This role is perfect for a developer who's passionate about creating visually stunning and highly interactive websites. As part of a dynamic team, you'll work closely with designers and back-end developers to bring concepts to life, using React to build seamless, responsive user interfaces. If you're ready to create impactful digital experiences and work on high-profile projects, this opportunity is for you! React developer Typescript AWS Tailwind We have 2 headcounts for React & Typescript developers 3 days a week in London Paddington This business is an FX & Payments fintech business Technical stack • React development • Typescript • JavaScript • AWS • Tailwind The project is a user centric portal so covers the below • Sales • Orders • Transactions • Trading • Onboarding • So, experience on any of these types of projects is beneficial but not essential Responsibilities: • Implement Designs with React - Convert design mock-ups into interactive, responsive web components, ensuring high-quality UI performance. • Develop Custom UI Elements - Create reusable React components that align with design guidelines and improve user experience. • Ensure Visual Consistency - Work with designers to maintain consistent branding, layout, and accessibility across all platforms. Skills: • REACT - Expertise in building dynamic and scalable React applications. • Typescript JavaScript (ES6+) - Advanced proficiency in modern JavaScript features and frameworks. If you have strong Development experience and have strong experience with the skill set above, and the role looks like a great fit, then please send your updated CV to discuss your application in further detail. 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

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.

Full Stack Developer - React/Python - £650 OIR35 Our trusted partner, who operates within the Ed-Tech domain and employs over 10,000 employees across 100 countries with a reach of 600 million users is hiring a Full Stack Developer with proficiency in React, Python, TypeScript, and Node.JS to assist with the integration of a greenfield chat platform which will leverage modern AL / ML practices. Our client wants to pay £650 PD Outside IR 35 to start ASAP for an initial 3/6 month contract on a hybrid basis based near Stratford, London. The developers should be proficient in full-stack development and cloud engineering and strongly desire to contribute to a groundbreaking project that will transform the future of language learning and assessment. While this role does not need Data Science skills, experience delivering production systems with AI components is highly desirable. Main Accountabilities Collaborate with the Technology Lead, product managers, experience designers, QA, and subject matter experts to develop and optimize the application. Contribute to the technical architecture, make relevant technical choices, and advise on the selection of third-party suppliers and partners. Develop, evolve, and maintain high-quality, scalable software applications. Delivery high-quality code in short iterations, focusing on business and end-user value Ensure the application meets high performance and scalability standards. Contribute to requirement definition (user stories) and analysis. Actively participate in code reviews, and design discussions, and provide constructive feedback to peers. Mentor other members of the team. Continuously improve the application through innovation, experimentation, and iteration. Stay up-to-date with new developments in web development, AI, cloud engineering, and language assessment. Core skill requirements: Strong development capabilities in full-stack web applications at an enterprise level are a must-have. Proficiency in Python, React.js, TypeSript, and AWS technology stack is a must-have. Experience in Ed-Tech, Education, or Consultancy would be highly desirable. Experience in software development and architecture, with a track record of delivering high-quality, scalable software applications is desirable. Experience working on AI / ML / LLM-based applications is desirable. Experience delivering Chat messaging applications would be great. Two stage remote interview process with capacity to start ASAP.

Job Description C# .net Lead Software Developer with SQL and Azure Our Client is an international company who are looking to recruit a Lead Software Developer with Dot net technology coupled with SQL Server and Azure and Devops. You must have at least 5 years solid expertise in software engineering using .net Core. The following are the key skills that the Client will require: Proficient in .Net Core, ASP.Net Core. C#, WPF, Web API, WCF, SQL Server (T-SQL), PowerShell, HTML, JavaScript Should have working knowledge on Azure Service Bus and Rabbit MQ Proficient in CI/CD and release management using Azure pipeline (Infrastructure as Code using ARM templates). Should have experience in the implementation of microservice/micro database projects. Good working knowledge of Azure cloud services and moving on-prem applications to the Cloud. Should have good knowledge of PowerShell, Reporting Services (SSRS) Good knowledge about Containerization (Kubernetes/Docker). The duration of this assignment will be between 6 to 12 months. The position will be based in Victoria London albeit remote for the next few weeks. Please do send your CV to us in Word format along with your daily rate and availability.

Role: Azure cloud full stack Developer Rate: inside IR35Location: 2 days London / 3 days Remote.Duration: until 31/12/2025 API Development: Design, develop, and maintain robust, scalable APIs using modern frameworks and technologies.* Azure Logic Apps: Configure and integrate Azure Logic Apps to enable seamless workflows and business process automation.* Proficiency Coding Languages JSON, JavaScript, PowerShell & C#* Azure Security: Implement and adhere to best practices in Azure security, including identity management, access control, and threat protection.* Front-End Development: Build responsive and user-friendly front-end interfaces using frameworks such as React, Angular, or VXX XX XX XX XX.* Back-End Development: Develop and maintain server-side logic with programming languages like .NET, NXX XX XX XX XX, or Python.* DevOps Practices: Experience with CI/CD pipelines using Azure DevOps or GitHub Actions, including automated testing and deployment.* Performance Optimization: Identify and resolve performance bottlenecks in both front-end and back-end systems.* Experience with monitoring and logging tools such as Azure Monitor, Application Insights, and Log Analytics.* Collaboration and Communication: Work closely with cross-functional teams, including DevOps, architects, and product managers, to deliver high-quality solutions.* Documentation: CreatePlease send your CV directLA International is a HMG approved ICT Recruitment and Project Solutions Consultancy, operating globally from the largest single site in the UK as an IT Consultancy or as an Employment Business & Agency depending upon the precise nature of the work, for security cleared jobs or non-clearance vacancies, LA International welcome applications from all sections of the community and from people with diverse experience and backgrounds.Award Winning LA International, winner of the Recruiter Awards for Excellence, Best IT Recruitment Company, Best Public Sector Recruitment Company and overall Gold Award winner, has now secured the most prestigious business award that any business can receive, The Queens Award for Enterprise: International Trade, for the second consecutive period.

Job Description Senior UI Developer - Central London We are looking to recruit a Senior UI Developer with at least 5 years experience. Your experience must cover Front End UI development. It is important that those developers be sufficiently experience to lead the UI development in a micro-service/angular framework. Must have a very good background with Angular implementation and testing, along with rest end points. Additionally you must have a good understanding of how to break down an implementation of the UI to segregate the business logic responsibilities correctly. The following would be good to have - Vanilla Javascript/Core JavaScript coding, NodeJS, HTML5, CSS3). Key Skills required: Node.JS Development Javascript - variable scoping - Event handling and Event delegation - JSON parsing and looping - Promises - DOM manipulation. HTML - Semantic Markup - Accessibility - SEO friendly markup CSS - Positioning - Flex layout - Basic idea of CSS preprocessors like LESS/SCSS This is a 6 month assignment in Central London. Please send your CV to us in Word format along with daily rate and availability.