HN Services

5 Jobs

1,177 Employees

About the Company

Ce qui nous différencie de nos concurrents ? Notre ADN et notre histoire. HN Services est une ESN Hors Normes, qui change les codes depuis 1983. Nous intervenons dans les secteurs de la Banque, de l'Assurance, de la Protection Sociale, du Retail, de l’Industrie et des Services. Aujourd’hui, nous comptons plus de 2200 collaborateurs pour un chiffre d’affaires de 161 millions d’euros dans 5 pays : France, Roumanie, Portugal, Espagne et Luxembourg. Nous avons créé en 1989 un centre de formation internalisé, HN Institut, pour permettre de former des jeunes qui souhaitent effectuer une reconversion professionnelle dans l’IT. Depuis sa création, nous en avons formé plus de 7000 ! Formation, suivi de carrière et évolution, nous les accompagnons tout au long de leur carrière. Si vous êtes intéressés de rejoindre cette aventure familiale et unique, n’hésitez pas à envoyer votre CV à l’adresse rh@hn-services.com !

Listed Jobs

Company Name: HN Services
Job Title: Developpeur Java Full Stack F/H
Job Description: Job title: Java Full Stack Developer (F/M) Role Summary: Senior Java JEE engineer supporting enterprise clients in banking, finance, insurance, retail, and energy sectors. Handles the complete software development lifecycle, from technical specifications and requirement evolution to coding, testing, documentation, configuration management, and traceability. Expectations: 8+ years of professional development experience; engineering or equivalent qualification; mastery of Java and development tooling; disciplined, organized, and team‑oriented; keen to contribute to innovative, high‑growth projects. Key Responsibilities: • Draft technical specifications • Evolve software component requirements • Develop Java applications • Define and execute testing strategies • Produce technical documentation • Manage configuration and traceability Required Skills: • Expert knowledge of Java/JEE • Proficiency in the full software development lifecycle • Experience with configuration management and traceability tools • Strong analytical, organizational, and teamwork abilities Required Education & Certifications: • Bachelor’s or Master’s degree in Computer Science, Engineering, or equivalent (Engineering degree preferred).

Nanterre, France

On site

13-10-2025

Company Name: HN Services
Job Title: Developpeur COBOL Senior F/H
Job Description

Company Name: HN Services
Job Title: Développeur React
Job Description: Job title: React Developer Role Summary: Front‑end developer focused on designing, building, and maintaining modern, high‑performance web interfaces using React.js. Works closely with UI/UX designers and back‑end teams to deliver seamless user experiences. Contributes to code quality through reviews, testing, and continuous improvement of the front‑end stack. Expactations: - Minimum 5 years of professional front‑end development experience. - Proven track record of delivering React applications in a production environment. Key Responsibilities: - Design, implement, and iterate user interfaces with React.js, ensuring responsiveness and accessibility. - Write clean, maintainable JavaScript (ES6+) code, optionally in TypeScript. - Collaborate with designers to translate mockups and prototypes into functional components. - Integrate RESTful APIs and manage data flow between front‑end and back‑end services. - Participate in peer code reviews and enforce coding standards. - Develop automated tests (unit, integration, E2E) and maintain test coverage. - Continuously evaluate and adopt new front‑end technologies and best practices. - Contribute to performance optimization and documentation of the front‑end architecture. Required Skills: - Expertise in React.js and JavaScript (ES6+). - Solid understanding of HTML5, CSS3, and responsive design techniques. - Familiarity with state management libraries (Redux, React‑Context). - Experience with bundlers or frameworks (Next.js, Vite, or similar). - Proficiency with version control (Git). - Knowledge of REST APIs and asynchronous data fetching. - Strong problem‑solving, communication, and teamwork abilities. Required Education & Certifications: - Bachelor’s degree in Computer Science, Software Engineering, or equivalent technical background (or equivalent professional experience). - No mandatory certifications required.

Company Name: HN Services
Job Title: Tech Lead / Développeur Senior Java – Expert Cloud AWS F/H
Job Description

View 5 more jobs at HN Services