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Software Engineer Intern - Fullstack Innovation

Alten

Internship|On-site|Sèvres

Alten is seeking a Software Engineer Intern for its Sèvres office. This internship centers on fullstack innovation, involving both front-end and back-end development tasks. Role overview As an intern, you will work alongside experienced engineers and contribute to ongoing projects. The position covers a range of responsibilities, from participating in code r…

Apr 21, 2026

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Software Integrator - Defense & Security Division - Le Plessis-Robinson

Sopra Steria

Full-time|On-site|Le Plessis-Robinson

Sopra Steria seeks a Software Integrator for its Defense & Security Division based in Le Plessis-Robinson. This role centers on combining software solutions to address the needs of clients in the defense and security sector. Main responsibilities Integrate various software components to build secure and reliable systems tailored for defense and security clients. Collaborate with colleagues from multiple disciplines to ensure software products are deployed and operate smoothly. Contribute to delivering solutions that align with client requirements and maintain high quality standards. Work location This position is based in Le Plessis-Robinson.

Apr 28, 2026

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Senior Front-End Engineer (React) at nabla | Paris

nabla

Full-time|On-site|Paris office

nabla is looking for a Senior Front-End Engineer with deep experience in React to join the Paris office. This position centers on building web applications that are both dynamic and user-friendly, with a strong focus on delivering a polished user experience. Role overview Work closely with colleagues across disciplines to design, develop, and refine the front-end architecture. The goal is to ensure applications remain fast, responsive, and reliable. Day-to-day, expect to collaborate with product and design teams to translate ideas into seamless interfaces. What you will do Develop and optimize React-based web applications for performance and usability Work with cross-functional teams to implement new features and improvements Guide junior developers and help set coding standards, testing procedures, and deployment practices Impact This role shapes the quality of nabla’s products and directly influences customer satisfaction. Senior engineers here play a key part in mentoring others and establishing best practices across the front-end team.

Apr 29, 2026

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Electromechanic (H/F)

Veolia Environnement SA

Full-time|On-site|La Roche-de-Glun

Veolia Environnement SA is looking for an Electromechanic (H/F) in La Roche-de-Glun. This position centers on maintaining and optimizing electromechanical systems that support daily operations. Main responsibilities Carry out maintenance tasks on electromechanical equipment Work to improve the performance and reliability of systems Contribute to the smooth and efficient running of operations What matters for this role Experience or training in electromechanics Strong problem-solving skills and attention to detail Commitment to supporting operational continuity

Apr 29, 2026

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Senior Full Stack Engineer

Jobgether

Full-time|On-site|France

Jobgether is looking for a Senior Full Stack Engineer based in France. This position focuses on building and maintaining software that supports and improves our platform. The ideal candidate brings strong experience with both front-end and back-end development. Role overview The Senior Full Stack Engineer will contribute to the design, development, and upkeep of new and existing features. Working with a range of technologies, this role supports the entire software lifecycle from concept to deployment. Collaboration and mentorship This role involves close collaboration with cross-functional teams to deliver reliable and effective products. Senior engineers are also expected to guide and mentor junior developers, sharing knowledge and helping the team grow. Requirements Significant experience in both front-end and back-end development Ability to develop and maintain complex software solutions Strong communication skills for team collaboration and mentoring

Apr 29, 2026

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Senior Software Engineer

Take-Two Interactive Software, Inc.

Full-time|On-site|INTL-France-Cesson-Sevigne

Take-Two Interactive Software, Inc. is hiring a Senior Software Engineer for its Cesson-Sevigne, France office. This position centers on creating dependable software and supporting product outcomes through direct development work. Key responsibilities Design and implement software that meets high standards for both quality and performance Collaborate with colleagues across various disciplines to achieve project goals Offer technical insights and contribute ideas to influence ongoing and future projects Location This role is based on site in Cesson-Sevigne, France.

Apr 21, 2026

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Scientific Software Engineer - Nuclear - Aix-en-Provence

Sopra Steria

Full-time|On-site|Saint-Paul-les-Durance

Sopra Steria is seeking a Scientific Software Engineer to join its team in Saint-Paul-les-Durance, near Aix-en-Provence. This role centers on supporting the nuclear sector through software development and technical collaboration. Role overview This position involves creating and maintaining software tools that help drive nuclear research and support daily operations in the field. The work directly contributes to the safety and efficiency of nuclear applications. What you will do Develop software solutions tailored to the needs of nuclear research and operational teams Apply technical knowledge to enhance safety measures and operational efficiency within nuclear projects Collaborate with colleagues to strengthen the company’s technological progress in nuclear engineering Location This position is based in Saint-Paul-les-Durance, within the Aix-en-Provence area.

Apr 22, 2026

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React/NodeJS Software Engineer

CGI

Full-time|Hybrid|Sophia-Antipolis, Provence-Alpes-Côte d'Azur, France

Join CGI, the new home of Apside, and discover the vibrant life of an Apsidien! We invite you to experience first-hand why Apside is the ideal engineering services company for you.Your Future Mission:As a React/NodeJS Developer at our Sophia-Antipolis agency, you'll partner with one of our clients, contributing throughout the project lifecycle—from design and development to production.Your Role:Design and develop modern web applications using React.js for the front-end.Implement robust and efficient backend services with Node.js.Collaborate with product, UX/UI, and DevOps teams to deliver optimal solutions.Engage in continuous improvement of development processes and tools.Ensure code quality through reviews, automated tests, and best practices.Location:Sophia-Antipolis TechnopoleHybrid work modelSalary Package:Contract: PermanentCompensation: Negotiable based on profileGroup Benefits: Swile meal vouchers, mobility bonus, RTT, telecommuting agreement, health insurance, referral bonus, etc.Training: Technical certifications, internal English courses, access to a wide range of training through our e-learning platform (Academy by Apside) or partner organizations.

Jan 2, 2025

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Account Executive - New Business Development | IFS Copperleaf | Paris, France

IFS Copperleaf

Full-time|Remote|Paris

Join IFS Copperleaf, where our innovative software empowers some of the largest companies worldwide to make informed strategic decisions. We pride ourselves on delivering award-winning and transformative solutions that support our clients in creating resilient and sustainable infrastructure.With our expanding presence in the Asset Intensive Market across Europe, we are seeking a dynamic Account Executive to spearhead the development and execution of our market sales strategy in France. Region & Language:The ideal candidate will be based in France, working remotely from their home city while managing sales for targeted accounts in the region. Proficiency in both French and English is essential. Key Responsibilities:As an Account Executive at IFS Copperleaf, you will lead the identification and qualification of sales opportunities while executing account strategies that drive revenue from licenses, support, and services.Your role encompasses building and nurturing strong relationships with customers, measured through their satisfaction, referenceability, revenue growth, and overall account engagement.Your responsibilities include:Identifying, pursuing, and closing new sales opportunities by effectively executing the sales process.Engaging with prospective clients and stakeholders to develop relationships with key decision-makers at the executive level.Collaborating with the broader IFS Copperleaf team (Technical Sales, Sales Leadership, Marketing, etc.) to understand prospects' business practices and strategic drivers, identifying pain points, and crafting solutions to address these challenges.Continuously gathering insights on competitors to effectively position our solutions.Driving a sales process that showcases our solutions as a strategic advantage for the prospect.Regularly discussing and communicating opportunity plans and sales strategies with account team members and management.Maintaining an accurate and documented pipeline of opportunities within CRM.Attending industry events and conferences, providing insights on market trends and creative innovations.

Feb 17, 2026

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Industrial Cybersecurity Engineer Intern (H/F) - Vulnerability Scanner Development

Segula Technologies

Internship|On-site|Lanester

Join Segula Technologies as an Industrial Cybersecurity Engineer Intern, where you will play a crucial role in developing a state-of-the-art vulnerability scanner tailored for industrial cybersecurity. This internship offers an exciting opportunity to gain hands-on experience in the field of Operational Technology (OT) security, working alongside experienced professionals in a dynamic and innovative environment.

Dec 23, 2025

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Assistant Project Manager Intern - Octave V3 Development (M/F)

Veolia Environnement S.A.

Full-time|On-site|Aubervilliers

Veolia Environnement S.A. is seeking a motivated Assistant Project Manager Intern to support the development of the Octave V3 solution. This internship offers a unique opportunity to work within the Performance Management department, where you will assist in various project management tasks, contribute to the optimization of processes, and facilitate communication among team members.

Mar 3, 2026

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Internship in R&D Electrochemistry - Protocol Development & Industrialization - H/F

Withings

On-site|On-site|Issy-les-Moulineaux, Île-de-France, France

At Withings, we are dedicated to empowering individuals to take control of their health.Our passion lies in creating beautiful and intuitive products that are easy for everyone to use daily; our connected scales, hybrid watches, blood pressure monitors, sleep trackers, and the entire range of our devices are currently utilized by millions of users.Our mission: to enable the prevention, early detection, and management of various chronic diseases through innovative products and services, ultimately revolutionizing the way we care for our health.As part of the R&D team, you will contribute to the development of innovative technologies for designing connected health products. The goal is to establish robust manufacturing protocols for new 2D electrodes that allow for selective ion measurement (Na+, K+, Mg2+, Ca2+).Your role will involve structuring a reliable functionalization process and preparing for the future industrialization of the product. Your tasks will revolve around three major areas:1. Formulation & ImplementationResearch the best strategies for depositing sensitive materials onto electrodes through literature review.Prepare surfaces (cleaning) and accurately formulate active solutions (chemical

Apr 2, 2026

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Research and Development Engineer in Photonics/Image Processing – 18 Month Contract

IMT Atlantique

Contract|On-site|Brest, Bretagne, France

About IMT Atlantique IMT Atlantique is an engineering school within the IMT-Institut Mines-Télécom group. The institution focuses on supporting transitions, training responsible engineers, and advancing scientific and technical excellence in education, research, and innovation. Role Overview: Research and Development Engineer (Photonics/Image Processing) This 18-month contract position is based in Brest, Bretagne, France, within the Optics Department. The role is part of the European VIVE project, which develops and manages a novel holographic head-up display (HUD) system for automotive applications. The project uses MEMS laser scanners and digital hologram arrays to advance in-car display technology. Main Responsibilities Develop numerical models in C and Python to support the design of metasurfaces and computer-generated hologram (CGH) arrays. Participate in cleanroom fabrication, characterization, and optimization of photonic structures and projection systems. Disseminate research results through patents and scientific publications. Maintain technical coordination with project partners and ensure scientific progress throughout the project. Project Context This position offers the chance to contribute to the advancement of automotive display systems through innovative photonics and image processing research, working closely with a collaborative project team. More Information View the detailed job description here

Apr 17, 2026

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Spontaneous Application - Join Ahead Digital in Paris

Ahead Digital

Full-time|On-site|Paris

Are you a talented Designer, Developer, Product Owner, Business Analyst, Architect, Digital Marketing Specialist, or QA Engineer? Ahead Digital, a leading agency specializing in digital strategy with offices in Brussels and Paris, is constantly on the lookout for exceptional profiles to join our vibrant team. If you're passionate about shaping the future of digital experiences and eager to contribute to innovative projects, we invite you to submit your CV for potential opportunities!

Sep 23, 2025

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Senior AI Software Engineer at aircall | Paris

Aircall

Full-time|On-site|Paris Office

Join aircall, a pioneering unicorn in the realm of AI-driven customer communication platforms, utilized by over 22,000 companies globally to enhance revenue, expedite issue resolution, and effectively scale customer-facing teams. We are transforming the landscape of customer communications by integrating voice, SMS, WhatsApp, and AI into a unified workspace.Our growth is fueled by a straightforward principle: empower teams to work smarter, not harder. Our innovative AI Voice Agent automates routine calls, AI Assist optimizes post-call tasks, and AI Assist Pro provides real-time guidance, enabling individuals to perform at their best. This results in increased revenue, quicker resolutions, and teams that expand confidently.Based in Paris, our European headquarters, we have a robust North American presence in Seattle and teams across Madrid, London, Berlin, San Francisco, New York City, Sydney, and Mexico City. Our product is beloved by customers, and our business is rapidly expanding, supported by top-tier investors and driven by swift AI innovations across various product lines.Our Work Culture: At aircall, we prioritize customer satisfaction, data-driven decision-making, and delivering significant outcomes. We value ownership, continuous learning, and thoughtful speed. If you excel in a collaborative, dynamic setting where trust and impact are paramount, you will thrive here.We are in search of a dedicated and enthusiastic Senior AI Software Engineer to join our expanding engineering team.In this role, you will oversee the design, development, deployment, and operation of AI-driven features that enhance customer value. Your daily responsibilities will encompass operational excellence, metrics, observability, best practices, and mentoring within your team and across the engineering department.We are committed to quality, excellence, and agility in our delivery processes, and you will play a key role in elevating these standards. Utilizing NodeJS and TypeScript back-end technologies, suitable for each requirement, and always hosted on AWS, we create valuable and resilient services built on voice technology that seamlessly integrate with our customers' essential business tools (CRM, Helpdesk, E-Commerce, etc.).

Jan 20, 2026

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Full Stack Software Engineer at INFINIT | Paris

INFINIT

Full-time|On-site|Paris

About INFINIT:Founded in 2023, INFINIT is a dynamic fintech scale-up that is swiftly expanding its presence across Europe and the Americas.Our mission is to transform the future of small and medium-sized enterprises (SMEs) by placing artificial intelligence at the heart of our innovative all-in-one operating system. With banking as a foundational element, we empower small business owners and their teams to efficiently manage and enhance every facet of their operations using AI-driven solutions.By focusing on niche industries, INFINIT offers bespoke, high-value solutions while developing cutting-edge AI products that unlock substantial growth prospects for our clientele. Our global operations are poised for expansion as we aim to redefine the fintech landscape for SMEs around the world.Join us on our journey to revolutionize the SME economy and create a significant impact through innovation Position Overview:We are seeking a passionate and skilled Full Stack Software Engineer to lead our product development initiatives. This role operates on the principle that exceptional engineers do more than just code; they create impactful solutions that meet business needs. Your main task will be to connect business objectives with technical execution, translating broad goals into well-crafted, deployable features.In this role, you will be required to evaluate project requirements, adopt a product-centric approach within the engineering team, and ensure that each line of code delivers real value. The position necessitates strong software engineering skills combined with keen product insight to prioritize and implement high-impact features in a fast-paced environment.

Feb 26, 2026

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Senior Software Engineer - macOS Expert

Datadog

Full-time|Hybrid|Bordeaux, France; Grenoble, France; Lyon, France; Montpellier, France; Nantes, France; Nice, France; Paris, France; Sophia Antipolis, France

The Windows and Mac Products team at Datadog is spearheading our growth in End User Device Monitoring (EUDM) and enhancing the Digital Employee Experience (DEX). We are expanding our observability platform to encompass the desktops and laptops utilized within enterprise settings. Our objective is to equip IT Administrators and Enterprise Operations teams with a unified interface to oversee fleet health through comprehensive, out-of-the-box observability for Windows and macOS. By integrating hardware performance, network connectivity, and application stability, we are building native telemetry tools that recognize Windows and macOS as premier platforms. Our approach guarantees feature consistency and operational excellence across all layers of our stack, providing profound insights into critical challenges without necessitating additional agent or library deployments.At Datadog, we cherish our office culture - fostering relationships, encouraging creativity, and promoting collaboration. We embrace a hybrid work model to empower our employees to achieve a work-life balance that suits their individual needs.

Feb 27, 2026

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Développeur Backend Java Confirmé - H/F

Inetum

Full-time|On-site|AIX EN PROVENCE

Dans le cadre d'un projet stratégique de transformation d’ERP, nous recherchons un Développeur Backend Java confirmé(e) pour intégrer la solution IFS dans 100 agences en France et à l'international. Ce rôle implique de migrer de l'ERP maison actuel vers l'ERP IFS Cloud.Vous serez partie prenante d'une équipe dynamique, où vos contributions techniques seront essentielles pour répondre aux besoins métiers spécifiques de nos clients. Vous aurez l'opportunité de travailler avec des technologies modernes et d’influencer la direction technique de notre projet.Vos principales responsabilités incluront :Comprendre l’environnement ERP et les technologies en place, en alignant les spécifications techniques avec les besoins de chaque société.Participer à des ateliers avec les équipes fonctionnelles pour adapter les outils en fonction des exigences spécifiques.Élaborer des schémas techniques pour optimiser le fonctionnement.Standardiser les spécifications techniques pour une meilleure cohésion d'équipe.Développer des interfaces d'application à l'aide de microservices.Contribuer à toutes les phases du développement Java, y compris la conception, le codage, les tests unitaires, le déploiement, et le support.Assurer l'intégration entre différentes API.Développer des interfaces d’échange entre divers composants du système d'information en utilisant Apache Camel.Exploiter les technologies Java 17, Spring Boot 3.2, et le framework d'intégration d'entreprise Apache Camel.

Mar 7, 2026

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Sales Graduate Program (SDR - AEC)

Zefir

Full-time|On-site|Paris

Join Our Innovative Team at ZefirZefir is revolutionizing the real estate landscape in Europe with our cutting-edge AI autopilot for home sales. Based in Paris, we are on a mission to streamline the entire sale and purchase journey, connecting local brokers, buyers, and essential documentation with our advanced AI technology.With over $55 million in funding from prestigious investors like Sequoia Capital, we are dedicated to transforming the lives of millions of existing and future homeowners across Europe.Program Duration: 2 years (with 2 rotations)Program Start Dates: We welcome new cohorts every January and July. About ZefirAs the most dynamic real estate marketplace in Europe, Zefir leverages artificial intelligence to redefine how properties are bought and sold. Our goal is to make transactions twice as fast compared to traditional methods.In just two years, we have achieved over €1 billion in transaction volume and secured more than €50 million from top-tier investors who have backed companies like Apple and Airbnb.Every day, we assist thousands of homeowners in navigating significant life transitions with confidence. The Graduate Sales Program: An Accelerated Path to Sales ManagementOur Graduate Program is a fast-tracked, two-step journey designed to mold exceptional talent into future team leaders. Over the course of two years, you will have the opportunity to advance through two key roles, supported by intensive coaching, dedicated mentorship, and clear objectives at each stage. You'll gain comprehensive insights into the sales profession, setting you up for a successful career.A new cohort begins every six months (in July and January). Your JourneyStep 1 — Sales Development Representative (SDR) (9 months or longer, based on performance)You will start on the ground floor, focusing on mastering the fundamentals of sales while demonstrating your ability to thrive in a high-volume environment.Handle a substantial volume of calls and appointment scheduling.Develop and refine your sales pitch through direct customer interactions.Learn to qualify prospects and establish a robust sales pipeline.Engage in one hour of continuous training weekly.

Apr 13, 2026

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Fullstack Software Engineer (x/f/m) - Global Billing Platform

alan

Full-time|Remote|Anywhere in France, Belgium, Spain

Join alan as a Fullstack Software Engineer to contribute to our innovative Global Billing Platform. In this dynamic role, you will work collaboratively with cross-functional teams to design, implement, and maintain scalable software solutions that enhance user experience and optimize billing processes.

Apr 14, 2026

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