Find your next tech and IT Job or contract Front-End Developer (JavaScript, Node, React, Angular, Vue...)

The front end developer handles the optimization, ergonomics and navigation of a mobile application or website. Unlike the back end developer who works behind the scenes, the front end developer works directly on the visible interface of the site. Their mission is to ensure that internet users can interact with the site without any constraints and with complete ergonomics. They constantly stay informed about web innovations and developments in order to always deliver trendy and innovative websites. For this, solid training is necessary as well as numerous qualities and skills.

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Fixed term

Job VacancyC++ Software Engineer (SC clearance - Inside IR35)

LA International Computer Consultants Ltd
Published on

6 months
Cheltenham Town Football Club, England, United Kingdom
Our Client are looking for a SC cleared C++ Software Engineer to join a busy team. The projects are typically focused on communications and analytics, targeting a variety of platforms from bare-metal through to large-scale Android and Linux deployments. We're looking for developers who thrive on diverse requirements, capable of jumping from front-end design to embedded platform development throughout their working week. Much of the existing work uses C++, with a strong understanding of languages such as Python, C, Kotlin, JavaScript and Rust, would be great. The team focuses on user-driven applications, often involving bespoke hardware solutions. While not required, the best candidates are those with strong fundamentals in Radio Frequency (RF) communications and a desire to learn more. Due to the nature of the work, this position requires candidates to be working full time onsite a minimum of 4 days per week. Key Responsibilities - Designing a new clean-slate product with complete autonomy over its architecture. - Adding new capabilities to, or replacing a core component of, an existing product. - Throwing together a quick-and-dirty prototype to confirm the feasibility of a proposed technical approach; iterating until it meets requirements. Due to the nature and urgency of this post, candidates holding or who have held high level security clearance in the past are most welcome to apply. Please note successful applicants will be required to be security cleared prior to appointment which can take a minimum 10 weeks. LA International is an award-winning partner of choice for many of the world's most influential companies and government organisations. Holding Enhanced Government Security Accreditation, we are recognised as the European market leader in the delivery of Security Cleared talent to organisations that demand the very highest levels of security, compliance and assurance. An award-winning organisation, having secured the prestigious Queens Award for Enterprise: International Trade over multiple years. We are committed to fostering an inclusive, equitable and accessible workplace where everyone feels valued and supported. We welcome applications from all individuals, regardless of background or identity, and we encourage candidates who may not meet every listed requirement to still apply. If you require any adjustments or support during the recruitment process, please let us know and we will work with you to ensure a fair and accessible experience. Please Note: If a high volume of applications is received, only candidates shortlisted will be contacted.
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Contractor

Contractor jobAI Engineer | Full Stack Specialist - Media - Paris H/F

EASY PARTNER
Published on
Git
Google Cloud Platform (GCP)
Javascript

6 months
450-490 €
Levallois-Perret, Ile-de-France
Vos missions Développement Full Stack & IA Concevoir et développer des applications IA natives en production Développer des API et services backend robustes en Python Construire des interfaces utilisateurs modernes pour les outils internes IA Mettre en place des architectures RAG avancées Développer des systèmes multi-agents et workflows autonomes Connecter les LLM du marché aux systèmes métiers internes Participer à la conception de WE-OS, le socle IA commun du groupe AI Engineering Développer des agents spécialisés capables d'exécuter des tâches complexes Intégrer et orchestrer différents modèles IA (Claude, Gemini, Vertex AI...) Mettre en place des bases vectorielles et pipelines de contextualisation Travailler sur la qualité des réponses générées et leur pertinence métier Qualité & Industrialisation Concevoir une architecture logicielle maintenable et scalable Mettre en place les bonnes pratiques de tests automatisés Participer aux pipelines CI/CD Assurer l'observabilité et le monitoring des applications Garantir la conformité des développements en production Développement assisté par IA Utiliser quotidiennement les outils de génération de code modernes Challenger et sécuriser le code généré automatiquement Participer à la définition des meilleures pratiques d'AI Assisted Coding Contribuer à l'amélioration continue des processus de développement Stack technique Backend Python FastAPI APIs REST SQL Frontend JavaScript / TypeScript React Next.js AI Engineering LLMs RAG Agents IA Vector Databases MCP Prompt Engineering Cloud & DevOps Google Cloud Platform Vertex AI BigQuery Cloud Run Docker GitLab CI/CD Terraform AI Assisted Coding Claude Code Cursor Gemini Codex
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Contractor

Contractor jobDéveloppeur JAVA (F/H)

CELAD
Published on

1 year
350-420 €
Strasbourg, Grand Est
CDI (38-47K€) OU Freelance OU Portage salarial - Strasbourg -Télétravail 2 jours/semaine après 4 mois - Expérience de 5 ans minimum (hors stages / alternance) Vous êtes prêt.e à relever un nouveau défi technique ? Nous poursuivons notre développement et recherchons actuellement un.e Développeur JAVA pour intervenir chez un de nos clients. Votre rôle au quotidien : - Analyser les besoins utilisateurs et proposer des solutions adaptées et performantes - Concevoir et développer des applications robustes, tout en réalisant des tests rigoureux (unitaires, intégration, charge) - Garantir la qualité du code en respectant les bonnes pratiques et en produisant une documentation claire - Assurer la maintenance et les évolutions des applications pour répondre aux besoins métier - Fournir un support technique et accompagner les utilisateurs - Partager vos connaissances pour renforcer l'expertise collective de l'équipe ⚙️ Stack technique : - Back-end : Java, Spring Boot - Front-end : Connaissance ou expérience d'un framework JavaScript - Middleware : RabbitMQ, Kafka, JMS (au moins une expérience significative) - Bases de données : SQL Server, MongoDB - Architecture : Expertise confirmée en microservices - Tests : jUnit - Versionning : Git - Outils de développement : IntelliJ, Maven, Sonar - Déploiement : Jenkins, Ansible - Gestion de projet : JIRA, Confluence Quelques infos importantes à retenir : - Expérience de 5 ans minimum (hors stages / alternance) - Type de contrat : CDI OU Freelance OU Portage salarial
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Contractor

Contractor jobDevops - Admininstration Jenkins

CAT-AMANIA
Published on
Bitbucket
GenAI
Jenkins

12 months
400-480 €
Hauts-de-Seine, France
Vous rejoindrez notre équipe et serez en charge de la gestion des chaînes CI/CD sous Jenkins, de l'intégration du repository Git au déploiement en environnement de production en passant par la génération automatique de code via LLM et le respect des contrats d'interface Spec Driven Development. Vos missions consisteront à contribuer: Assurer l'administration ainsi que le maintien en condition opérationnelle Administrer et maintenir des outils Software Factory: jenkins, Bitbucket, SVN, Nexus, Artifactory, SonarQube, Assurer la disponibilité, la performance et la fiabilité des plateformes, Gérer et accompagner les montées de versions, correctifs, Optimisation techniques, Traiter les demandes d'évolution: création, configuration des jobs jenkins, gestion des droits et des accès, Accompagner les équipes dans l'usage des outils, Assurer le support en cas d'incidents, Gestion des environnements de développement, Maintenir, faire évoluer le package d'outils: IDE, Visual Studio Code, et des outils Squirrel, SoapUI, Garantir une cohérence dans la mise à jour des environnements, Concevoir et maintenir les templates: Spring boot, Angular, Création des repositories Git, génération des pipelines Jenkins, Configuration Kubernetes, Mettre en place les solutions de démarrages des projets, Intégration des outils GenAI, LLM, Piloter l'évolution de Jenkins: Pipeline AS Code, Shared Librairies, Contribuer à la mise en place d'un portail de services, Implémenter la démarche Spec Driven Development, Utilisation d' OpenIA, Swagger, Génération automatique du back end et des clients front end Animation des relations avec les équipes, Recueillir, proposer les améliorations des outils,
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Permanent

Job VacancyData Engineer with C# Dot net asp.net and SQL Server SSIS

Nexus Jobs Limited
Published on

£55k-70k
London, England, United Kingdom
Data Engineer with C# Dot Net asp.net with SQL Server SSIS Our Client is a bank based in Central London who are looking to recruit at least 7 years plus experience as a Data Engineer with the ability to work with C# Dot net and SQL Server with SSIS. You must have solid expertise of at least 7 years experience of working with and developing software with C# Dot Net and MS SQL Server and SSIS – SSIS is very important for this position. Must be an excellent problem solver and adept writing documentation for all projects. You ideally have worked on banking systems particularly Core Banking. Responsible for the development and delivery of new systems to automate and streamline processes required by different departments. To support the internal IT department with changes and upgrades to software platforms. To be primary contact for all technical questions relating to in-house bespoke systems and interfacing. Data Support Supporting budgeting and financial planning processes for Finance department, including loading and refreshing of data based on requirements. Understand and conduct the front-end functionality to amend and change hierarchical structures within the environment. Build data flows within the SQL environment in SSIS packages. Risk & Regulatory Duties Maintain knowledge of all applicable regulatory requirements including the Bank's Risk and Compliance policies and procedures and adhere to these to avoid exposing the Bank to undue risk. Report policy/procedure breaches and areas of potential non-compliance and suspicions promptly upon identification in accordance with the Bank's Risk and Compliance policies. Accurately execute all controls within own area to minimise risk of policy, procedure, and/or regulatory breaches. Identify new risks/control gaps within own area and escalate accordingly to your Line Manager. Key Skills Software analysis and design. SQL Server query language with SSIS. Data warehouse design concepts, (Inmon or Kimball) Experience of developing software with C# Dot Net and asp.net and SQL Server is a must. Must have solid experience of working with SSIS and building data warehouses. The Client is a Bank based in the Central London. Must have a degree qualification. This is a 12 month FTC position with a salary of circa £55K - £70K. This is a hybrid position - you will be required to be in the office at least 3 days week. Do send your CV to us in Word format along with your salary and availability.
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Permanent

Job VacancyDevops - Admininstration Jenkins

CAT-AMANIA
Published on
Bitbucket
Docker
Google Kubernetes Engine (GKE)

40k-60k €
Hauts-de-Seine, France
Vous rejoindrez notre équipe et serez en charge de la gestion des chaînes CI/CD sous Jenkins, de l'intégration du repository Git au déploiement en environnement de production en passant par la génération automatique de code via LLM et le respect des contrats d'interface Spec Driven Development. Vos missions consisteront à contribuer: Assurer l'administration ainsi que le maintien en condition opérationnelle Administrer et maintenir des outils Software Factory: jenkins, Bitbucket, SVN, Nexus, Artifactory, SonarQube, Assurer la disponibilité, la performance et la fiabilité des plateformes, Gérer et accompagner les montées de versions, correctifs, Optimisation techniques, Traiter les demandes d'évolution: création, configuration des jobs jenkins, gestion des droits et des accès, Accompagner les équipes dans l'usage des outils, Assurer le support en cas d'incidents, Gestion des environnements de développement, Maintenir, faire évoluer le package d'outils: IDE, Visual Studio Code, et des outils Squirrel, SoapUI, Garantir une cohérence dans la mise à jour des environnements, Concevoir et maintenir les templates: Spring boot, Angular, Création des repositories Git, génération des pipelines Jenkins, Configuration Kubernetes, Mettre en place les solutions de démarrages des projets, Intégration des outils GenAI, LLM, Piloter l'évolution de Jenkins: Pipeline AS Code, Shared Librairies, Contribuer à la mise en place d'un portail de services, Implémenter la démarche Spec Driven Development, Utilisation d' OpenIA, Swagger, Génération automatique du back end et des clients front end Animation des relations avec les équipes, Recueillir, proposer les améliorations des outils,
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Contractor
Permanent

Job VacancyDéveloppeur Full Stack AI-Augmented (TypeScript / Node.js / AWS Serverless)

Signe +
Published on
Node.js
TypeScript

1 year
Annecy, Auvergne-Rhône-Alpes
Dans le cadre du développement de solutions digitales pour le secteur retail/e-commerce, vous participerez à la conception, au développement et à l'évolution d'applications internes stratégiques. Vous contribuerez notamment au lancement d'un nouvel outil de gestion des tailles (Size Management Tool - SMT), destiné à accompagner les activités métiers et les besoins de gestion des référentiels produits. L'environnement technique s'appuie sur des architectures modernes orientées services et événements, avec un développement full stack autour de TypeScript, Node.js, Next.js, Angular et AWS Serverless. L'équipe adopte une approche de développement fortement augmentée par l'intelligence artificielle générative. L'utilisation d'outils d'IA fait partie intégrante du quotidien afin d'accélérer la production de code, les tests, la documentation, l'analyse et le refactoring. Vous intervenez dans un contexte Agile Scrum et collaborez avec des équipes internationales afin de délivrer des solutions robustes, évolutives et performantes. Vos principales responsabilités : Développer et faire évoluer les applications internes. Participer à la conception technique des nouvelles fonctionnalités. Concevoir et maintenir des APIs REST. Contribuer à la mise en œuvre d'architectures Event Driven. Développer des composants front-end et back-end. Participer à l'automatisation des déploiements et à l'intégration continue. Exploiter les outils d'IA générative pour accélérer les activités de développement. Réaliser les tests, la documentation et le refactoring du code. Collaborer avec les équipes produit et techniques dans un environnement Agile.
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Frequently asked questions about working as a Front-End Developer (JavaScript, Node, React, Angular, Vue...)

What is the role of a Front-End Developer (JavaScript, Node, React, Angular, Vue...)

The front-end developer is the IT specialist who is responsible for providing internet users with a pleasant interface for navigation and easy to use. To better perform this job, the professional must possess numerous skills and qualities.

How much does a Front-End Developer (JavaScript, Node, React, Angular, Vue...) charge

The front-end developer's daily rate depends on their level, experience and the area in which they operate. A freelance developer in Paris who masters PHP can have a daily rate of around £400/day. As for the Java developer, they can earn up to £600/day. At the start of their career, a front-end developer can have an annual salary of £30,000 per year. Then, depending on their skills, they can move up to £40,000 annually. A senior front-end developer can earn up to 70,000 euros per year.

What is the definition of a Front-End Developer (JavaScript, Node, React, Angular, Vue...)

When we talk about "front-end," we're referring to the part of a website or application that displays on the screen, the part with which internet users and users directly interact. It's different from the back end, which concerns the invisible part of the site. As for front-end elements, they are composed of HTML, JavaScript, and CSS. HTML development and design are the two main skill areas of the front end. Design falls under the web designer's domain, and as for development, that's handled by the front-end developer. The designer creates graphic mockups with specialized software tools such as Photoshop, and it's up to the front-end developer to translate the graphic mockup into a functional mockup by manipulating code. In simple terms, the web designer draws, the developer formalizes using programming languages like HTML and CSS. Some developers are capable of working with JavaScript. But most of the time, the developer uses their preferred software for all their projects. Previously, development was limited to the back end. But today, more and more designers are starting to take an interest in development. The front-end developer often comes from a web design background.

What type of mission can a Front-End Developer (JavaScript, Node, React, Angular, Vue...) handle

The front-end developer has many main responsibilities: · Create the layout, assembly and integration of mockups using available programming languages: HTML, PHP, CSS, JavaScript...; · Control the elements of the chain, from server to client in order to improve the performance of the site or application; · Support the development team by providing practical technology expertise for the success of web projects; · Solve technical problems related to site rendering and operation; · Maintain a technology watch to stay up-to-date with marketing, technical and technological advances in their field.

What are the main skills of a Front-End Developer (JavaScript, Node, React, Angular, Vue...)

To successfully carry out its missions and perfectly meet the needs of clients and web agencies, the front-end developer must possess a certain number of skills and qualities: · Master the languages used for front-end development: HTML, JavaScript, CSS, PHP, etc. · Master or have some knowledge of Frameworks such as JQuery, Backbone.js or AngularJS. As for qualities, the developer must be equipped with rigor, creativity, and curiosity. They must also be an organized person who properly analyzes clients' needs in order to offer solutions adapted to their expectations. The front-end developer must be able to work in a team and must possess communication skills allowing them to effectively convey their ideas to clients and collaborators.

What is the ideal profile for a Front-End Developer (JavaScript, Node, React, Angular, Vue...)

The Front-End Developer is a professional who may come from a web design background and wishes to strengthen their development skills. They may also be a developer who has decided to specialize in front-end languages. Generally, they work in a web agency or as a freelancer after completing training and obtaining a BTS or DUT in computer science. The front-end developer can also train in back-end to work in both areas simultaneously. In this case, they'll be called a fullstack developer.

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