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.

1,146 results
Permanent

Job VacancySoftware Tester (QA)

Rise Technical Recruitment Ltd
Published on

£35k-50k
SW1A 2AH, City of Westminster, England, United Kingdom
Software Tester (QA) London (Hybrid, 2 days per week in-office) £35,000 - £50,000 + Holiday + Hybrid Working + Career Development Opportunities Are you a detail-oriented Software Tester or QA professional looking to play a key role in delivering high-quality software products while working with cutting-edge technology across sports data, AI, machine learning and real-time systems? This is an exciting opportunity to join an innovative technology business operating within the sports and betting sector. Working as part of a collaborative product engineering team, you will be responsible for ensuring software quality through comprehensive testing, defect tracking and close collaboration with developers throughout the software development lifecycle. In this role, you will design and execute both manual and automated tests across web and mobile applications, helping to identify issues before release and ensuring systems perform reliably in production environments. You will also contribute to regression testing activities and support continuous product improvement. The ideal candidate will have experience within software testing or quality assurance, a strong understanding of QA methodologies and a passion for delivering robust, high-quality software. Exposure to modern development technologies, databases and automated testing tools will be highly beneficial. The Role: Design and execute manual and automated software tests Create detailed test cases from technical requirements and specifications Investigate, document and track defects through to resolution Perform regression testing following software releases and updates Work closely with developers and product teams throughout the SDLC The Person: Experience as a Software Tester, QA Engineer or similar Degree qualified in Computer Science, IT or related discipline Strong understanding of QA methodologies, tools and processes Experience with testing frameworks such as Selenium or Cypress Knowledge of technologies such as Python, TypeScript, JavaScript, Node.js, Golang, PostgreSQL or NoSQL databases would be advantageous Reference Number: BBBH277323 Rise Technical Recruitment Ltd acts an employment agency for permanent roles and an employment business for temporary roles. The salary advertised is the bracket available for this position. The actual salary paid will be dependent on your level of experience, qualifications and skill set and will be decided by our client, the employer. Rise are not responsible or liable for any hiring decisions made by the end client. We are an equal opportunities company and welcome applications from all suitable candidates.
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Apprenticeship

Apprenticeship offerTrainee DevOps Engineer | No experience needed (Ref: 7501)

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Published on
CI/CD
DevOps
Docker

London, England, United Kingdom

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Apprenticeship

Apprenticeship offerTrainee DevOps Engineer | No experience needed (Ref: 7501)

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Published on
CI/CD
DevOps
Docker

London, England, United Kingdom

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Apprenticeship

Apprenticeship offerTrainee DevOps Engineer | No experience needed (Ref: 7501)

█ █ █ ██ █ █
Published on
CI/CD
DevOps
Docker

London, England, United Kingdom

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Contractor
Permanent

Job VacancyDéveloppeur IA MTA

R&S TELECOM
Published on
Microsoft Access

12 months
40k-48k ¤
400-480 ¤
Ile-de-France, France
Contexte de la mission L'équipe MTA (Modélisation et Technologies Avancées) conçoit et industrialise les composants IA utilisés par les métiers. Ses principales missions incluent : Développement des API Développement de chatbots : internes (ex. Jarvis) et externes (assistants métiers). Création d'agents IA : capables d'exécuter des workflows, interagir avec des API, orchestrer des outils, et automatiser des tâches complexes. Intégration avancée des modèles LLM : Mistral, GPT, Claude, etc. Contribution technique aux plateformes transverses : IALAB, IAP, GED/PHX, RPA, etc. Participation aux démonstrations système : sujets chatbots, workflows automatisés, IALAB, etc. Pour soutenir la montée en puissance des usages IA, le client souhaite renforcer l'équipe MTA avec un développeur expérimenté spécialisé en agents IA, orchestration, chatbots avancés et intégrations SI. Objectifs et livrables 1 Développer des agents IA avancés pour les métiers Conception d'agents capables d'appeler des API, déclencher des outils internes, et exécuter des actions complexes. Gestion de scénarios multi-étapes : analyse ® décision ® action ® supervision. Construction de "tooling IA" : actions, connecteurs, permissions, wrappers. Alignement avec les procédures SSI, DPO et gouvernance IA. 2 Conception ou amélioration de chatbots métiers Développement d'assistants IA pour piloter la documentation, les workflows, la qualification documentaire, etc. Implémentation des mécanismes clés : mémoire, récupération d'information, contextualisation. Optimisation UX des interactions : prompts, actions, réponses structurées. Support multi-modèles : Mistral Large, GPT-4o, Claude 3.7, etc. 3 Intégration et orchestration avec le SI Appels sécurisés vers les API internes : ERP, GED, RPA, CRM, PHX, etc. Connexion aux outils d'orchestration existants : RPA, IALAB, pipelines documentaires. Mise en place d'exécuteurs d'outils avec gestion fine des autorisations et logs. 4 Industrialisation et fiabilisation Observabilité complète : logs, métriques, traçabilité, monitoring des coûts. Tests unitaires et end-to-end pour chatbots et agents. Contribution aux frameworks internes : libs maisons, conventions IA. Participation aux démos système, PI planning et increments Agile. Développement Python expert : FastAPI, async, architectures modulaires. Très bonnes bases en Node.js/TypeScript pour certains agents front ou services d'intégration. Développement orienté API-first. Bonne pratique des patterns d'architecture cloud : Azure Functions, containers, CI/CD. DévSecOps: You Build It And You Run It. IA et Agents Maîtrise de la conception d'agents IA outillés (ReAct, Agentic Workflow, Toolformer-like). Connaissance des frameworks agents : LangChain, LlamaIndex, CrewAI, Semantic Kernel ou équivalents. Forte capacité à modéliser des workflows IA/métiers dans des environnements complexes. Excellente maîtrise des LLM (Mistral, GPT, Claude). 3 Chatbots Conception de flows conversationnels complexes. Intégration de modules mémoire, RAG, reformulation. Optimisation de prompts avancés. Conscience UX conversationnelle : turn-taking, clarifications automatiques. 4 Intégration et Données Appels API REST/GraphQL internes. Interaction avec GED, bases documentaires, data lakes. Utilisation ou construction de {*}connecteurs métier{*}. 5 Qualité, Sécurité et Gouvernance Logs, audit, monitoring : Grafana, Prometheus, Langfuse. Compréhension des contraintes de sécurité des agents : permissions d'actions, filtrage des commandes, sandboxing, conformité interne IA. Forte autonomie et capacité à mener des sujets en transverse. Pédagogie et vulgarisation pour les métiers utilisant les chatbots/agents. Capacité à documenter : guides, API docs, schémas. Esprit produit : proposer, challenger, prioriser, démontrer. Participation active aux rituels Agile et aux démonstrations. 1 Langages et Frameworks Python (FastAPI, async) Node.js/TypeScript Frameworks agents : LangChain, LlamaIndex, CrewAI, Semantic Kernel 2 Modèles et IA LLM : Mistral, GPT, Claude RAG (Retrieval-Augmented Generation) Mémoire et contextualisation 3 Intégration et Orchestration API : REST, GraphQL Outils internes : ERP, GED, RPA, CRM, PHX, IALAB, IAP Connecteurs métier 4 Cloud et DevOps Kafka Azure Functions Containers CI/CD 5 Observabilité et Sécurité Grafana Prometheus Langfuse SSI, DPO, gouvernance IA Compétences demandéesCompétencesNiveau de compétence CI/CD Containers Connecteurs métier SSI, DPO, gouvernance IA KAFKA API : REST, GraphQL LLM : Mistral, GPT, Claude Mémoire et contextualisation Prometheus Python (FastAPI, async) Grafana Langfuse Outils internes : ERP, GED, RPA, CRM, PHX, IALAB, IAP Frameworks agents : LangChain, LlamaIndex, CrewAI, Semantic Kernel Node.js/TypeScript Azure Functions RAG (Retrieval-Augmented Generation)
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Premium Job
Permanent

Job Vacancy🔐 Application Security / Product Security Analyst – CDI

Buy The Way
Published on
Cybersecurity
IT security
Vulnerability management

42k-45k €
Paris, France
Nous recherchons un(e) Application Security / Product Security Analyst pour rejoindre l'équipe en charge de GLPI, une solution ITSM open source utilisée par des organisations partout dans le monde. L'objectif du poste : analyser les vulnérabilités qui concernent le produit, comprendre leur origine et leur impact, puis accompagner les développeurs dans leur résolution. Tes missions Tu interviendras principalement sur : l'analyse et la reproduction des vulnérabilités ; l'identification des vecteurs d'attaque et des composants concernés ; l'évaluation de leur exploitabilité, impact et criticité ; la création de PoC et la documentation des scénarios de reproduction ; l'analyse du code, des flux applicatifs, API et dépendances ; la recherche de vulnérabilités similaires dans le produit ; la qualification via CWE, OWASP et CVSS ; la revue de code orientée sécurité ; l'analyse des dépendances et CVE ; les tests de non-régression après correction ; l'amélioration progressive des contrôles de sécurité dans le cycle de développement. Tu travailleras directement avec les développeurs en leur apportant les informations nécessaires pour comprendre et corriger efficacement les vulnérabilités identifiées. L'objectif est également de prendre du recul sur les incidents rencontrés afin d'identifier les problèmes récurrents et de renforcer durablement la sécurité du produit. Environnement technique Application web open source complexe principalement développée en : PHP 8.2+ · Symfony · JavaScript · Vue.js · MySQL/MariaDB Environnement : Git/GitHub · Composer/npm · API REST · OAuth2 · LDAP · plugins Pratiques sécurité : SAST · SCA · DAST · pentest applicatif · PoC · CVE · CWE · OWASP · CVSS · Secure Code Review
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Permanent

Job VacancySenior Solutions Architect

Nexus Jobs Limited
Published on

£60k-70k
Leeds, England, United Kingdom
Senior Solutions Architect We have a fantastic opportunity to work for a Senior Solutions Architect with at least 5 years proven track record as a Solutions Architect. The role is based in Leeds city centre office which has been designed as a collaborative space supporting hybrid working. You will play a vital part, within your domain of responsibility, supporting the business to understand their technology landscape and how it will assist them is supporting their needs and future vision. You will be decisive in proposing and agreeing solutions within the architecture community and proactively help project teams determine how your solution designs will be implemented by the individual delivery teams and support them through implementation. Lead internal and external teams to deliver the appropriate cost-effective and innovative technology solutions in a variety of technology areas Act as a subject matter expert within your domain of responsibility, as an advocate for the architecture team, and point of contact Match the business requirements to the technology, shaping appropriate solutions across multiple global and market systems Ensure various applications and systems perform to user expectations and are continuously evolved, improved and maintained Contribute to the production of application roadmaps to identify software end-of-life risks and evolve the technology landscape Contribute to assuring designs within the architecture team, supporting peers and mentoring the wider community Contribute to ensuring all IT change is appropriately governed and aligns to application roadmaps and the overall IT Strategy, Standards and Practices Engage actively in business development activities to maintain a holistic view of the portfolio of change, in order to stay current with most effective solutions to address them Experience we need from you: A technology subject-matter expert with expertise in software architecture and design patterns and practices, with significant experience with 'cloud' ecosystems Practical career experience to lead teams and resources in a matrix structure. Able to demonstrate relevant technical capabilities in areas such as mobile application architecture, CRM and other customer technology solutions. Excellent knowledge and practical experience of all phases of a project lifecycle and delivery of IT solutions for a medium or large organisation. Experience of working with international teams preferably within the financial services sector. Excellent communication abilities, both written and verbal, for effective stakeholder engagement as a facilitator, communicator, peer, and mentor. This is a hybrid role – based in Leeds. The salary will be circa £60K - £70K + excellent benefits. Do send your CV to us in Word format along with your salary and notice period.
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Permanent

Job VacancyTech Lead Mobile / Pre-Sales (H/F) -

Grafton
Published on

60k-85k €
75001, France
Tech Lead Mobile / Pre-Sales (H/F) - Flutter / React Native / iOS / Android - Anglais fluent Grafton recherche, pour l'un de ses clients, un(e) Tech Lead Mobile avec une forte dimension pre-sales, capable de combiner expertise technique et posture conseil pour accompagner des projets mobiles et soutenir des activités de développement commercial. Anglais courant (fluent) indispensable. Vos missions En interaction directe avec des clients externes et les équipes internes, vous interviendrez notamment sur : Conduite de workshops clients et échanges techniques (en anglais) Recueil des besoins, analyse et cadrage de la solution (requirements gathering & solution scoping) Rédaction/contribution aux propositions techniques (approche, architecture, planning) Estimations / chiffrages et participation aux réponses à consultations/appels d'offres Support technique en avant-vente et accompagnement des équipes business lors des rendez-vous clients Profil recherché Expérience solide en développement mobile : Flutter ou React Native ou natif iOS/Android Idéalement une expérience en Tech Lead (référent technique, arbitrages, mentoring) Expérience pre-sales requise : ateliers, cadrage, propositions, estimations, rôle client-facing Anglais fluent obligatoire (oral et écrit) Compétences clés Crédibilité technique + capacité à vulgariser et à convaincre Excellent relationnel, sens du conseil, orientation solutions Autonomie, rigueur, esprit d'équipe Intéressé(e) ? Envoyez votre CV (ou LinkedIn) en précisant : votre stack mobile principale (Flutter / RN / iOS / Android), des exemples concrets d'activités pre-sales (workshops, chiffrages, propositions), votre niveau d'anglais et votre disponibilité.
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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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