helios.do

About the Company

helios, un acteur financier construit pour la transition. Aujourd'hui helios propose une gamme de produit complète : - Banque de détail : le compte courant durable, le compte jeune, le compte commun et le compte premium - Gestion monétaire : Budgétisation, un collectif de marchands engagés avec Tous Consom’acteurs ! et prochainement un outil d’aide à l’épargne - Épargne : le compte avenir, une assurance-vie Notre mission ? Dépolluer la banque et renverser la tendance de l'industrie bancaire en finançant un monde plus juste et respectueux de l'environnement. Nous ne sommes pas comme les autres banques, nos financements sont transparents et 100% orientés vers la transition écologique. Concrètement ? helios est le moyen le plus efficace et transparent pour réduire son empreinte carbone. Chez helios votre argent ne va pas aux entreprises qui représentent un risque pour l’environnement ou la biodiversité (le charbon, l’extraction pétrolière, le gaz et le pétrole de schiste, les pesticides chimiques, l’élevage intensif ...). Nous finançons exclusivement des projets qui contribuent de façon concrète à la transition écologique (production locale, recyclage plastique, énergies renouvelables, agriculture régénérative, économie circulaire, transports bas carbone...). Déjà 8 millions € investis en faveur de la transition écologique, dans des secteurs tels que l'agriculture durable, les énergies renouvelables ou encore la mobilité bas carbone. L'ensemble des projets financés sont à retrouver sur le site : https://www.helios.do/ Et si vous changiez de job pour un poste où vous pourrez réellement faire la différence ? Rejoindre helios, c'est s'engager dans une mission à impact à taille humaine et c'est ici : https://www.linkedin.com/company/helios-do/about/ Pour ouvrir votre compte helios et rejoindre le mouvement, téléchargez l'application App Store : http://bit.ly/Appstorehelios Google Play : http://bit.ly/Googleplayhelios

Listed Jobs

Company Name

helios.do

Job Title

CRM & Product Marketing Manager (Stage)

Job Description

Job title: CRM & Product Marketing Manager (Internship) Role Summary: Oversee and execute direct‑response marketing for the company's user community. Manage the full cycle of CRM and Product Marketing (PRM) campaigns, from strategy and copy to technical setup, testing, and performance analysis. Collaborate closely with product, brand, and design teams to support go‑to‑market initiatives and optimize digital touchpoints. Expactations: * Deliver high‑quality, on‑brand communications across email, push, SMS, and in‑app channels. * Use data to refine messaging, timing, and customer journeys for continuous improvement. * Coordinate with product and landing page teams to drive user acquisition and retention. * Demonstrate initiative, creative thinking, and a rapid learning mindset. * Exhibit strong written communication in French and English, with impeccable grammar. Key Responsibilities: 1. **CRM & PRM (70%)** - Define and maintain the editorial calendar for CRM and PRM campaigns. - Write copy for newsletters, push notifications, SMS, and in‑app content. - Work with Brand/Design to produce compelling visuals. - Configure email campaigns and automation workflows in Customer.io. - Design and run A/B tests on subject lines, content, and send times. - Track KPIs, analyze results, and recommend optimisations. 2. **Product Marketing (30%)** - Contribute to go‑to‑market strategy for new product releases. - Translate product requirements into marketing deliverables. - Optimise landing pages on WordPress/Storyblok to improve conversion rates. Required Skills: * Excellent copywriting and storytelling ability. * Proficiency in email marketing platforms (Customer.io preferred). * Experience with CMS (WordPress, Storyblok) and design collaboration (Figma). * Analytical mindset: comfortable with data, A/B testing, KPI tracking. * Multilingual communication (French & English). Required Education & Certifications: * Currently enrolled in or recently graduated with a Bachelor’s or Master’s degree in Business, Marketing, Commerce, or related field. * Familiarity with CRM, marketing automation, and web analytics tools.

Paris, France

Hybrid

26-12-2025

Company Name

helios.do

Job Title

Développeur Backend Java / Kotlin (Stage)

Job Description

**Job Title** Backend Developer (Java/Kotlin) – Internship **Role Summary** Internship (6 months) focused on building and maintaining the backend of a mobile banking application. Works within a small, Agile (ScrumBan) team to deliver new features, integrate third‑party services, and continuously improve code quality. **Expectations** * Acquire proficiency in Java/Kotlin and Spring. * Contribute to production‑grade code from day one. * Apply best practices: TDD, code reviews, pair programming, design patterns. * Engage in daily stand‑ups, grooming, retros, and knowledge‑sharing sessions. * Demonstrate problem‑solving ability and a product‑centric mindset. **Key Responsibilities** 1. Design, implement, test, and deploy backend services for the mobile app. 2. Develop and maintain RESTful APIs; integrate with external banking and fintech platforms. 3. Extend existing functionality and refactor legacy code to improve performance, maintainability, and security. 4. Participate in all Agile rituals: daily stand‑up, sprint planning, grooming, and retrospectives. 5. Review pull requests, perform code reviews, and mentor peers when appropriate. 6. Maintain continuous integration pipelines and support automated testing. 7. Stay current on industry trends and propose improvements; contribute to technical documentation. **Required Skills** * Strong knowledge of Java and/or Kotlin; experience with Spring (Boot / MVC). * Familiarity with REST API design, serialization (JSON), and versioning. * Experience with relational databases (SQL) and ORM frameworks (Hibernate/JPA). * Basic understanding of TDD, CI/CD, Git, and continuous delivery workflows. * Problem‑solving mindset and ability to absorb new technologies quickly. * Excellent communication skills and teamwork orientation. * (Preferred) Exposure to TypeScript or Python, and familiarity with fintech/banking domain concepts. **Required Education & Certifications** * Currently enrolled in, or recently completed, an engineering or computer‑science degree (or equivalent). * Eligible for a 6‑month internship; availability starting April 2026.

Paris, France

Hybrid

16-02-2026