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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Contractor
Permanent
Fixed term

Job VacancyDéveloppeur Full Stack Angular, Node.js, TypeScript

KEONI CONSULTING
Published on
Angular
API REST
Java

18 months
20k-40k €
100-450 €
Le Mans, Pays de la Loire
Contexte : Dans le cadre de l'équipe usage Vie, en tant que Développeur Fullstack, la mission principale sera de concevoir, développer et maintenir des applications web modernes du domaine Epargne . Vous serez impliqués dans toutes les phases du cycle de développement, de la spécification des besoins à la mise en production et au maintien en conditions opérationnelles. MISSIONS : • Développer et maintenir des interfaces utilisateur réactives à l'aide de frameworks front-end modernes (Angular, Node.js, TypeScript), • Créer et optimiser des services back-end et des API à l'aide de technologies côté serveur (Quarkus, Maven, JDK), • Concevoir et mettre en œuvre des solutions de base de données à l'aide des technologies SQL, • Rédiger un code propre, bien documenté et efficace, conformément aux meilleures pratiques et aux normes de codage, • Collaborer avec les membres de l'équipe pour analyser les besoins et les traduire en solutions techniques, • Participer aux revues de code et fournir des commentaires constructifs à vos collègues, • Déboguer et résoudre les problèmes liés aux applications, en identifiant les causes profondes et en mettant en œuvre des solutions efficaces, • Utiliser des systèmes de contrôle de version (Git) pour gérer les référentiels de code et collaborer sur des projets, • Contribuer à l'ensemble du cycle de vie du développement logiciel, de la planification au déploiement et à la maintenance, • Participer aux réunions d'équipe et communiquer l'avancement des tâches assignées
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Permanent

Job VacancyDéveloppeur JAVA (F/H)

CELAD
Published on

38k-47k €
Strasbourg, Grand Est
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)
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Contractor

Contractor jobTech Lead

Comet
Published on
.NET
AWS Cloud
C#

12 months
Paris, France
Objectifs et livrablesNous recherchons une prestation de Tech Lead .NET / React / AWS, avec un positionnement opérationnel et hands-on. Le profil attendu devra démontrer une capacité effective de leadership technique de proximité, en intervenant à la fois sur le code, les revues de code, les diagnostics de production, les arbitrages techniques, l'animation de la squad et le développement des compétences des développeurs. Le Tech Lead est attendu comme référent technique du domaine Roaming et relais opérationnel technique auprès de l'équipe. Il devra être capable d'en comprendre les enjeux fonctionnels et techniques, d'en assumer les choix structurants, de clarifier les standards attendus, de faire progresser les pratiques collectives, d'accompagner les développeurs dans leur montée en compétence et de rendre visibles les risques nécessitant un arbitrage interne. À titre indicatif, la mission comporte une part significative de contribution opérationnelle hands-on et une part de leadership technique, d'animation, de coaching technique et d'accompagnement de l'équipe. L'équilibre pourra varier selon les phases du projet. Les attentes principales, non exhaustives, sont les suivantes : • assurer un leadership technique de proximité auprès de la squad, en clarifiant les standards attendus, en animant les échanges techniques utiles et en facilitant les décisions du quotidien ; • accompagner les développeurs dans leur montée en compétence par du feedback technique, des revues de code exigeantes, du partage de connaissances et des points individuels d'accompagnement technique ; • contribuer aux développements, aux analyses techniques et aux arbitrages d'architecture ou de conception, tout en évitant de devenir le point de passage unique de l'équipe ; • renforcer la qualité de delivery : conception, tests, revues, documentation, maintenabilité, sécurité, exploitabilité et réduction de la dette technique prioritaire ; • identifier et remonter au management interne les risques, écarts, blocages ou besoins d'arbitrage dépassant le cadre de la squad. Attendus production et exploitation • intégrer les contraintes de production dans les choix techniques : observabilité, diagnostic, rollback, sécurité et exploitabilité ; • contribuer à l'analyse des incidents, anomalies ou comportements inattendus, et proposer des actions de correction ou de prévention adaptées ; • améliorer la traçabilité, la fiabilité des traitements sensibles et la capacité de réconciliation ou d'analyse des écarts ; • contribuer aux runbooks, procédures de support, analyses post-incident et échanges avec les équipes de support applicatif, notamment anglophones. Utilisation des outils d'IA L'utilisation raisonnée d'outils d'IA est appréciée pour assister le développement, les tests, la documentation, l'analyse de code ou l'investigation. Elle devra rester strictement compatible avec les exigences de sécurité, de confidentialité, de validation humaine et de qualité logicielle attendues sur un produit en production. Compétences requises Must have • expérience confirmée de Tech Lead, lead developer ou référent technique sur une équipe de développement ; • .NET / C# ; • AWS • React ; • APIs REST ; • architecture microservices ; • tests unitaires, tests d'intégration et stratégie de non-régression ; • Git et CI/CD ; • culture production et capacité à diagnostiquer des incidents ou anomalies applicatives ; • capacité à accompagner techniquement une équipe de développement ; • anglais professionnel indispensable, notamment pour les échanges avec des équipes de support anglophones ; • sensibilité forte à la qualité logicielle, à la maintenabilité, à la sécurité, à l'exploitabilité et aux coûts. Nice to have • React ; • PostgreSQL, MongoDB et Entity Framework ; • architecture hexagonale / clean architecture ; • observabilité : logs, métriques, traces, alerting ; • expérience pratique sur des services AWS serverless ou containerisés ; • expérience sur des flux critiques, partenaires, financiers, de facturation, de réconciliation ou de qualité de données ; • Domain-Driven Design, CQRS, event-driven architecture ou patterns d'intégration distribuée ; • Infrastructure as Code, notamment Terraform ; • feature flags, stratégie de retour arrière, déploiements progressifs ou canary deployments ; • utilisation professionnelle d'outils d'IA pour le développement, les tests, la documentation ou l'analyse de code. Expérience attendue • niveau Senior / Tech Lead confirmé ; • au moins 8 ans d'expérience réussie en développement logiciel ; • expérience significative en leadership technique, idéalement d'au moins 18 mois comme Tech Lead, lead developer ou référent technique ; • capacité à intervenir sur un produit critique en production, avec des exigences fortes de qualité, disponibilité et maintenabilité ; • capacité à rester hands-on tout en structurant les pratiques techniques et en accompagnant l'équipe ; • expérience souhaitée dans un contexte SaaS, plateforme, microservices ou produit à forte volumétrie d'échanges.
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Contractor
Permanent
Fixed term

Job VacancyExpert Etudes Expert en dev web Java / Angular20 + Quarkus -

KEONI CONSULTING
Published on
Agile Method
Angular
API REST

18 months
20k-40k €
110-600 €
Paris, France
Contexte: Dans une équipe dynamique et conviviale composée de scrums, développeurs et techleads organisée en équipes produit (feature teams), vous mettez vos compétences techniques Web au service de nos Directions Métier IARD, vie, protection juridique, sinistres, assistance. A l'heure où tous les parcours omnicanaux débutent majoritairement sur le digital, il s'agit d'une invitation à contribuer activement à la stratégie de l'entreprise, en prenant en charge la réalisation des développements front et back des parcours dclient MISSIONS : Conception et développement de parcours Web front to back en technologie Java/angular Dans un cadre de méthode agile, vous travaillerez sur nos produits « parcours business » (avant-vente et vente de notre site internet) et mènerez les activités suivantes : § Développement Front-End : - Concevoir et implémenter des interfaces utilisateurs interactives et réactives en technologie Angular. - Réaliser les tests unitaires et d'intégration. - Collaborer avec les Product Owner et proxi product owner pour garantir une expérience utilisateur optimale. - Assurer la compatibilité et l'optimisation des performances sur différents navigateurs et appareils. § Développement Back-End : - Développer et maintenir des API robustes et évolutives en utilisant Java. - Intégrer des bases de données et assurer la gestion des données de manière sécurisée. - Participer à l'architecture et à la conception des systèmes pour garantir leur fiabilité, robustesse et leur évolutivité. § Collaboration et Gestion de Projet : - Travailler en étroite collaboration avec les équipes marketing produit pour livrer des solutions complètes. - Participer aux cérémonies agiles. - Contribuer aux revues de code pour améliorer continuellement les processus de développement. - Réaliser la documentation technique : rédaction des spécifications techniques (Technical Stories, diagrammes de séquence, documentation APIs).
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Permanent

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

Nexus Jobs Limited
Published on

£55k-70k
London, England, United Kingdom
Data Engineer with SQL Server SSIS and C# Dot Net asp.net Our Client is a bank based in Central London who are looking to recruit 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 5 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. 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 and/or Head of Department. Knowledge and 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 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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Fixed term

Job VacancyData Engineer with C# Dot Net asp.net with SQL Server SSRS and Power BI

Nexus Jobs Limited
Published on

£65k-70k
London, England, United Kingdom
Data Engineer with C# Dot Net asp.net with SQL Server SSRS and Power BI Our Client is a bank based in City 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 SSRS. You must have solid expertise of at least 7 to 10 years experience of working with and developing software with C# Dot Net and MS SQL Server and SSRS – SSRS is very important for this position. Additionally, you must have sound experience of working with Power BI and Python. 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 SSRS packages. Risk & Regulatory 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. Main Skills Software analysis and design. SQL Server query language with SSRS. 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 SSRS and building data warehouses and reporting services. Experience of working with and developing software with Power BI and Python are essential. The Client is a Bank based in the City London. Must have a degree qualification. This is a 12 month FTC position with a salary of circa £65K - £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 VacancyData Engineer with C# Dot Net asp.net with SQL Server SSIS SSRS

Nexus Jobs Limited
Published on

£55k-70k
London, England, United Kingdom
Data Engineer with C# Dot Net asp.net with SQL Server SSIS SSRS 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, SSRS and SSAS – 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. Analysis of issues pertaining to problems or errors raised by in-house systems, i.e. CORE, SharePoint interface, Equation, Kondor, Eximbills, end of day cycle. 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 and SSAS packages. Integrate the SharePoint environment and Forms with Equation system to introduce automation of processes thereby eliminating the need for duplicate entry. Utilise web services to integrate from cutting edge technology into legacy systems such as Equation. Integrate with all the systems using data abstraction and connectivity layers, i.e. ODBC, ADO.net. 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. Must Have 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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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 jobLead DevOps Java - 6/8ans

SURICATE IT
Published on
CI/CD
Control
DevOps

6 months
400-550 €
Évry, Ile-de-France
Lead DevOps Java 📅 Démarrage : Début août 2026 📅 Durée : 6 mois renouvelable 📍 Lieu : Evry 🎓 Expérience : Minimum 8 ans en développement 🏠 Télétravail : 2 /3 jours par semaine (non négociable) 🏭 Secteur : Aéronautique 💰 TJM : 550 Contexte de la mission Notre client, acteur international du secteur aéronautique, recherche un Lead DevOps Java en assistance technique pour rejoindre la DSI, au sein du département Supply Chain & Qualité. Le consultant jouera un rôle d'interface entre les équipes de pilotage/fonctionnelles en France et les équipes de développement basées en Inde (nearshore/offshore), garantissant la qualité logicielle et la fluidité des mises en production. Environnement technique Back-end : Java 17+, Spring, Hibernate Front-end : React, Angular, PrimeFaces, Thymeleaf Bases de données : Oracle, PostgreSQL CI/CD : GitLab, Ansible AAP Serveurs d'application : Tomcat 9+, Weblogic 10+, Wildfly 38, JBoss 5+ OS : Linux, Windows Missions principales Suivi technique des équipes offshore : pilotage, coaching, code reviews et bonnes pratiques Définition et contrôle des standards de qualité (tests unitaires, analyse statique, architecture) Audit du code existant et élaboration de plans de migration (frameworks, librairies) Maintien et optimisation de la chaîne CI/CD GitLab, avec évolution vers Ansible AAP Coordination des déploiements avec les équipes d'intégration Conseil sur l'architecture, réalisation de POC, optimisation des performances Support niveau 3 sur les incidents
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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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