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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.

A LIRE ATTENTIVEMENT AVANT DE POSTULER ⬇ 📑 CDI (42-50K€) / Portage / Freelance - 🏠 2 jour de télétravail / semaine - 📍 Nantes - 🛠 Expérience de 6 ans minimum Envie d'un nouveau challenge où vos compétences en .NET prennent tout leur sens ? Bienvenue chez CELAD ! 💻 Nous poursuivons notre développement et recherchons actuellement un.e Développeur .NET Senior pour intervenir, chez l'un de nos clients, éditeur de logiciel pour les professionnels du droit. Contexte : Vous rejoignez une équipe de 7 personnes travaillant sur l'un des produits phares de la société. Vos principales missions : Après une phase d'intégration et de montée en compétences (fonctionnelle et technique), vous intervenez sur l'ensemble du cycle de développement en environnement Agile. Concrètement, vous allez : Développer et faire évoluer la solution en fonction de la roadmap. Participer au chiffrage, au développement et aux phases de tests. Être force de proposition pour améliorer l'architecture, les performances et les pratiques de développement. Apporter votre expertise technique aux autres membres de l'équipe. Participer aux revues de code et contribuer à l'amélioration continue des pratiques. Prendre part aux rituels de l'équipe et maintenir la documentation technique du projet. L'idée n'est donc pas simplement de « coder » : vous aurez également l'occasion de contribuer aux choix techniques et à la qualité globale de la solution. Votre environnement technique 🛠 : .NET 8, Entity Framework / EF8, SQL TypeScript, Nuxt 3, Pinia, HTML5, CSS3 PostgreSQL, SQL Server Git, Azure DevOps, CI/CD, Kubernetes, Helm Redis, RabbitMQ, SignalR / WebSocket, Talend

Pour l'un de nos clients E-commerce nous recherchons un(e) développeur.se senior Front-End. Le périmètre d'intervention couvre tout l'aspect de la navigation dans le site (Home page, sous-home, listes de produit, avis clients, fiches article…). Il faudra prendre en compte une dimension internationale car il existe plusieurs déclinaisons du site par pays. Il ne faudra pas oublier non plus, la gestion des devices desktop et mobile. Description Le consultant participera à la refonte et à la migration dans Azure du site Internet marchant. • Développer en JavaScript/CSS/LESS/HTML de nouvelles fonctionnalités et effectuer la maintenance applicative répondant aux userstories définies avec l'équipe • Assurer l'ergonomie visuelle et fonctionnelle du site • Garantir la portabilité et l'interopérabilité du site par la prise en compte des différentes plateformes et navigateurs • Élaborer des solutions techniques pour répondre aux besoins fonctionnels et aux enjeux de performance • Rédiger des spécifications techniques • Réaliser des tests unitaires • Participer aux revues de codes (normes W3C, accessibilité, sémantique web) Livrables Code Source, Documentation technique

Nous recherchons un Développeur PHP Symfony confirmé (3 ans minimum sur Symfony 6) pour une mission longue Expertise PHP, SQL, JavaScript, HTML/CSS et Git requise. Démarrage septembre 2026, jusqu'à 2 jours de télétravail par semaine...... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... .......... ..........

5+ ans d'expérience en développement React Une expertise Front-End / React indispensable Très bonne maîtrise de React.js, TypeScript, Redux, JavaScript, HTML/CSS Expérience sur plusieurs projets Front-end en autonomie Bonne connaissance de Git, Bitbucket, Jira, NPM et des API REST Expérience en environnement Agile Quelques connaissances en C# / .NET Core : un plus, mais pas besoin d'être expert(e) Technical Skills: * React.Js, React bootstrap, Redux * TypeScript * HTML/CSS/Javascript * Git, Bitbucket, Jira

Fullstack with C# Dot net HTML Web Software Developer Our Client is leader in the development of software for the financial sector. We are looking for a creative, detail-orientated Web Developer to join our Web Development team. You must have at least 5 years experience of working as a Fullstack Web Software Developer with C# Dot Net HTML and CSS. Within the Web Development team, you will have the opportunity to enjoy working with a range of web technology across the full stack. Our client base is growing and as part of this growth we are looking to improve and enhance our web-oriented product offerings. We are looking to recruit highly motivated and creative web developers who can be instrumental in delivering an ambitious digital roadmap. Previous Experience/Education: Web Developers don't always need industry-specific work experience, but they must be able to demonstrate their web coding capability in organisations of a similar size and complexity. Ideally, we are looking for Web Developers with five plus years work experience. Additionally, candidates should be experienced in debugging and profiling applications associated with developing, testing and deploying web applications. It is preferable for Web Developers to hold a degree in Computer Science or a related field. Successful Web Developers should have sound knowledge and experience in different programming applications. C#, Asp.net/Core, JavaScript, HTML, CSS, MVC and JSON are required core skills. Role Function: Candidates should be able to demonstrate strong ability to work independently and as part of a team building websites from the ground up in C#, MVC, Asp.net and Asp.net core. The successful candidate should have a good command of C#, HTML, CSS, JavaScript, JSON & Bootstrap. Exposure to any UI binding framework such as Vue.js, AngularJS, React, and Knockout would be beneficial. Additionally, the candidate should be comfortable using IIS. Full understanding of the MVC pattern, REST APIs and asp.net controllers are a must. Web developers should be aware of security vulnerabilities, such as those identified in OWASP, and their code should mitigate these threats. Knowledge Required: Web Developers will need experience in the design, creation and maintenance of websites across multiple platforms as follows: Writing efficient code using best practice for software development Creating websites using different languages such as HTML and CSS Working with Programmers and Web Designers to create a website that matches the visual design intent Communicating with business colleagues to gather and refine requirements and specifications for content development within agreed-upon timelines Researching a variety of software programs Creating and maintaining the documentation for software used Improving and enhancing websites after they have been created Skills Required: A successful Web Developer candidate will have various prerequisite skills/qualifications needed for duties such as a Degree in Computer Science or related field). Some skills include, but are not limited to, the following: Strong interpersonal skills and the ability to establish and maintain close working relationships with business stakeholders and other technologists A pro-active approach with a keen attention to detail Proactive with a keen desire to take ownership of projects Functional knowledge and coding experience Basic knowledge of search engine optimisation (SEO) The ability to multitask within the budgets and time constraints set by the company Strong communication and problem-solving skills An understanding of development approaches and methods Knowledge of mobile applications, computer operating systems and web browsers Strong analytical skills The Client provides highly configurable enterprise software solutions to leading companies within the insurance sector. Working with our Client you will become part of a close-knit team dedicated to providing tools to improve our clients' businesses. Currently 3 days WFH and 2 days in the office (Mondays & Wednesdays). The position will be based close to Basildon in Essex. The salary for this role will be in the range £50K - £70K. Please do send your CV to us in Word format along with your salary and notice period.

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.

🌟 Quel sera ton poste ? 🌟 📍Lieu : Bordeaux 🏠 Télétravail : 2 par semaine 📝Contrat : Freelance, Portage 👉 Contexte client : Tu auras pour missions de : Dans le cadre du renforcement de son équipe CRM, notre client recherche un Développeur Salesforce Senior pour accompagner l'évolution et l'optimisation de son écosystème Salesforce. Vous intégrerez une organisation Salesforce particulièrement mature, déployée depuis 2012, et interviendrez sur des projets stratégiques au cœur des activités commerciales et de la relation client. Vous évoluerez sur un poste à forte visibilité mêlant expertise technique, accompagnement métier et amélioration continue. En tant que référent Salesforce au sein de l'équipe CRM de la DSI, vous interviendrez sur l'ensemble du cycle de vie des projets. Analyse & Conseil Animer des ateliers avec les directions métiers et les Key Users. Recueillir, analyser et challenger les besoins. Réaliser les études de faisabilité, le chiffrage et les propositions de solutions. Favoriser les solutions standards Salesforce lorsque cela est pertinent. Administration & Développement Administrer et configurer les environnements Salesforce. Développer et faire évoluer les fonctionnalités sur Sales Cloud et Service Cloud. Concevoir des développements Lightning (LWC, Apex, Flows). Garantir la qualité, la maintenabilité et la performance des solutions mises en œuvre. Livraison & Exploitation Réaliser les tests unitaires et d'intégration. Participer à la gestion des environnements. Assurer les mises en production dans un contexte Agile Scrum. Garantir la stabilité et l'évolution de la plateforme. Support & Expertise Assurer le support de niveau 3 sur les incidents complexes. Identifier les axes d'amélioration fonctionnels et techniques. Accompagner la montée en compétences des équipes internes. Assurer une veille continue sur les nouveautés Salesforce. Un environnement Salesforce riche et stimulant Salesforce Sales Cloud Salesforce Service Cloud Marketing Cloud Lightning Web Components (LWC) Apex Flow JavaScript HTML / CSS Responsive Agile Scrum Téléphonie Diabolocom intégrée au CRM

Frontend Software Developer with React 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. 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 Client would like someone to join the team with at least 3 to 6 years proven track of developing software using React, HTML and Javascript. The salary for this role will be circa £45K - £60K depending experience. The Client has offices in Central London – for now the role will be remote. Do send your CV to us in Word format along with your salary and availability.

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.

Genious Systèmes recherche pour son client un(e) Développeur NextJS F/H Prestations prioritaires requises : Expertise Next.js : Excellentes références sur les dernières versions du framework. Vous maîtrisez parfaitement l'App Router, ainsi que les paradigmes de Server Components et de Server Actions pour optimiser le rendu et la sécurité. Maîtrise de React 19+ : Utilisation avancée des Hooks, des patterns de composition et des fonctionnalités de rendu concurrent. Vous savez concevoir des composants réutilisables et performants. Maîtrise de TypeScript : Développement rigoureux avec une utilisation poussée du typage pour garantir la robustesse du code. Culture de la Performance (Web Perf) : Solide connaissance des architectures web à fort trafic. Vous savez jongler avec les stratégies de cache, l'optimisation des CDN et les problématiques de Web Vitals. Data & APIs : Aisance dans l'intégration et la consommation de flux de données, qu'ils soient via des architectures REST ou GraphQL. Styling & Design System : Maîtrise des solutions de styling modernes (CSS Modules, Styled-components) avec une ouverture sur les outils de nouvelle génération comme PandaCSS. Industrialisation & CI/CD : Bonne connaissance des cycles d'intégration continue et des outils de versioning (Git / GitLab / Jenkins). Stratégie de Tests : Capacité à définir et implémenter des stratégies de tests cohérentes (unitaires, intégration) pour sécuriser les livraisons. Méthodologie Agile : Habitude des environnements de travail collaboratifs afin d'assurer la prestation en mode Agile (Scrum/Kanban), avec une forte capacité à échanger sur les choix techniques.