Senior Software Engineer - Order Management System

Back Market is looking for a Senior Software Engineer focused on Order Management Systems to join the team in Paris. This position centers on developing and refining the platform to support a smooth experience for customers as they place and manage orders. Role overview This engineer will play a key part in building and maintaining scalable software solution…

We are seeking a talented PHP Developer to join our dynamic team at myjobcompany1 in Paris. In this role, you will be responsible for developing, testing, and maintaining innovative web applications that drive our business forward. Your expertise in PHP and related technologies will be essential in creating efficient and scalable solutions.

We are seeking a talented and driven Java / J2EE Developer to join our dynamic team in Paris. In this role, you will have the opportunity to work on cutting-edge projects, utilizing your skills in Java development to create robust and scalable applications. If you are passionate about technology and eager to contribute to innovative solutions, we want to hear from you!

Join our dynamic team at DV Live, where we design and operate interactive platforms for media, including TV and radio. Our platforms are essential for engaging audiences through games, quizzes, voting, dedications, and SMS/voice engagement, especially during peak events.As we embark on a busy roadmap featuring significant refactoring and restructuring projects, we are looking for a dedicated Senior Lead Developer to bolster our DV Live team.This role is primarily hands-on; you will be involved in daily development tasks such as feature delivery, refactoring, and addressing complex issues while serving as a technical reference point for quality assurance, decision-making, and mentoring others. You will collaborate in a multi-team, multi-site environment with strong dependencies involving SMS platforms, telecom operators, and cross-functional teams.We are increasingly incorporating AI into our development workflow (e.g., Cursor, Bolt, vibe coding, and various models). We seek someone who can pragmatically leverage these tools to enhance delivery speed while maintaining high-quality standards.Key Responsibilities:   •    Hands-on development and delivery   •    Implement end-to-end features and actively participate in release cycles.   •    Tackle complex topics: refactoring, performance issues, critical fixes, and tooling.   •    Provide technical leadership   •    Define technical parameters for features (solution design, breakdown, estimates, acceptance criteria).   •    Ensure adherence to standards: code reviews, quality checks, security protocols, and documentation.   •    Mentor developers through best practice sharing.   •    Focus on scalability, reliability, and refactoring   •    Lead and contribute to major refactoring projects (critical flows, SMS engines, performance).   •    Optimize performance and resilience (load spikes, MySQL tuning, application optimization).   •    Coordinate cross-team initiatives (Product, Infrastructure, other DV teams).   •    Overcome dependency-related obstacles and facilitate technical decision-making.   •    AI-assisted development   •    Utilize AI tools for acceleration: assisted generation, refactoring, testing, and documentation.   •    Help structure team practices (guidelines, quality/security safeguards, best practice sharing).Tech Stack / Environment:   •    Backend: PHP - services/APIs (Symfony framework)

Main ResponsibilitiesDesign, develop, and maintain backend applications using Java (Spring Boot).Define, implement, and optimize event flows on Apache Kafka (topics, partitions, performance, security).Participate in software architecture decisions and the industrialization of real-time solutions.Ensure code quality through unit tests, continuous integration, and code reviews.Contribute to the deployment and monitoring of applications (CI/CD, monitoring, support).Collaborate closely with Product, Data, and Infrastructure teams.Provide insightful suggestions for improving technical and methodological best practices.

Are you a passionate PHP developer looking to kick-start your career in a dynamic environment? Join myjobcompany1 in Paris as a Junior PHP Developer! In this role, you will collaborate with experienced developers to design, build, and maintain web applications. You will have the opportunity to enhance your skills in PHP and related technologies while contributing to exciting projects.

Location: Paris (relocation support may be available for the right candidate) Voodoo develops mobile games and apps, with a team of over 800 people and a track record that includes more than 7 billion downloads. The company’s portfolio features titles such as Mob Control, Block Jam, BeReal, and Wizz. As one of the largest mobile publishers worldwide, Voodoo serves over 200 million active users. Role overview This Midcore Game Developer position is part of a new internal studio at Voodoo. The team is focused on refining a promising prototype into a successful market-ready title, building on strong core mechanics and gameplay. The role centers on advancing one of Voodoo’s latest midcore games. What you will do Collaborate with small teams of Unity Game Developers and Artists Design and implement game logic and systems in C# within the Unity engine Adapt and enhance an existing codebase to improve functionality, stability, and performance Mentor team members and share technical knowledge Deliver high-quality work on schedule Requirements At least 3 years of experience working with Unity and strong C# skills Familiarity with Unity’s UI systems, animation, and particle systems Strong problem-solving and critical thinking, especially for workflow and process improvements Background in game production, ideally in a studio or similar environment Experience identifying performance bottlenecks and optimizing memory, frame rates, and load times Interest in building engaging gameplay experiences

Context:Technology is increasingly embedded in the objects around us. From connected scooters and smartwatches to factory sensors communicating with cloud systems, even cosmetics are being revolutionized by beauty tech!These connected devices are particularly susceptible to security threats due to their limited capabilities, mobility in potentially hostile environments, and the varying levels of cyber maturity among their users.Moreover, securing these IoT devices presents a unique challenge, as they integrate into extensive ecosystems, each requiring robust protection across every component and their interconnections: hardware, firmware, gateways, wireless networks, mobile applications, fleet management platforms, APIs, and more.This diversity in components, network architectures, and user interfaces introduces vulnerabilities that can be exploited by attackers, posing a significant challenge: How do we ensure comprehensive security in the face of the growing interconnectivity of IoT devices?Objectives:The aim of this internship is to address the various components of the IoT ecosystem within a particular sector by analyzing their risks and market trends, while also proposing suitable security solutions.Tasks:Under the guidance of a consultant and the supervision of a manager, the intern will be involved in some or all of the following tasks:Formalizing an overview of the IoT ecosystem: sector analysis, benchmarking, regulatory insights, etc.Assessing major risks impacting a sector, product, or specific component.Building a model to simulate attack scenarios.Creating security guidelines for a product, technology, or component.

À propos de SkelloChez Skello, nous créons la solution de gestion des ressources humaines de référence pour la planification et le management des équipes sur le terrain.En Europe, les travailleurs sur le terrain représentent 50 % de la main-d'œuvre, mais seulement 20 % des solutions numériques leur sont réellement adaptées.Skello a été fondé pour combler cette lacune : une plateforme collaborative et intuitive qui simplifie le quotidien des managers et des employés, en optimisant et en automatisant les tâches essentielles.Nous plaçons les équipes de terrain au centre de nos préoccupations. Grâce à des outils intelligents tels que notre Assistant Skello et notre planificateur intelligent, nous répondons directement à leurs besoins uniques.Notre objectif est clair : devenir la solution RH incontournable pour toutes les équipes de terrain à travers l'Europe. Skello en chiffres • 7 secteurs d'activité principaux • 25 000 entreprises font confiance à Skello aujourd'hui.• 600 000 employés utilisent Skello chaque jour.• L'équipe Skello compte plus de 400 collaborateurs.• 3 bureaux européens : Paris, Lille et Barcelone. Notre culture d'entrepriseNous savons que pour atteindre notre mission, nous devons vivre nos valeurs quotidiennement : SHIFT. Élever la barre chaque jour Soutenir les uns les autres Imaginer demain, commencer aujourd'hui Mettre les clients en premier Prendre le travail au sérieux, pas soi-même

Join eosfrance as an Experienced Developer (H/F) in Paris. We are looking for a skilled and motivated individual who thrives in a dynamic environment. You will be part of a team that drives innovation and delivers top-notch IT solutions. Your expertise will contribute to exciting projects that make a real impact.

Meritis is looking for a C# / Angular Developer (H/F) to join the team in Paris. This position centers on building and maintaining software applications while working closely with colleagues who value both collaboration and continuous learning. Key responsibilities Design, develop, and maintain applications with C# and Angular Work as part of a team to ensure project goals are met Share technical input and contribute to group problem-solving Develop your skills by working alongside experienced developers Location This role is based in Paris.

Join our dynamic team at Alten as a Fullstack Java / React Developer (H/F). We are looking for passionate developers who thrive in innovative environments and are eager to work on exciting projects that push the boundaries of technology.

About LuoPay LuoPay provides foreign exchange and cross-border payment solutions for businesses across Africa. The company aims to help African businesses transact with international suppliers more efficiently, transparently, and cost-effectively than traditional banking methods. LuoPay has seen strong growth in several markets and is expanding its engineering team to continue building financial infrastructure for FX and payments in Africa. Role Overview The Lead Frontend Developer will join LuoPay in Paris, working alongside engineers to improve both internal tools and products used by customers. This position plays a key role in supporting a payment infrastructure that processes millions of euros in transactions every day. Success in this role depends on a deep understanding of customer needs, the ability to weigh project priorities for maximum impact, and clear communication across technical and non-technical teams. Main Responsibilities Build and launch dynamic web applications using React. Design user interfaces that are intuitive and easy to use. Work with teams across the company to gather requirements and feedback. Contribute to product research and help create wireframes. Partner with backend engineers to design APIs and support deployment. Test thoroughly to maintain high product quality. Apply AI-driven development methods to improve productivity. What LuoPay Looks For At least 6 years of experience building web products. Background working in small teams where priorities can shift quickly. Strong focus on product outcomes and customer satisfaction. Excellent written and spoken communication. Ability to identify trade-offs and balance effort with expected results. Tech Stack Experience with React, Typescript, Golang, Postgres, Docker, Gitlab, GCP, and Cloudflare is important for this role.

Role overview Swile seeks a Senior Salesforce Developer based in Paris, France. This position focuses on designing and refining Salesforce solutions that strengthen customer engagement and improve how teams work internally. The ideal candidate brings strong technical skills and enjoys taking an active role in achieving business objectives. What you will do Create and implement Salesforce solutions that address specific business requirements Use Salesforce features to boost customer engagement Automate and streamline internal workflows with Salesforce tools Troubleshoot complex issues and enhance system reliability through technical expertise What matters at Swile The team at Swile values innovation and practical solutions that help people work better together. Products are built to foster stronger connections within teams and deliver real, positive impact.

We are seeking a dynamic and experienced Lead Frontend Developer to join our innovative team at myjobcompany1. In this role, you will lead the development of high-quality, scalable web applications utilizing the latest technologies. You will collaborate with cross-functional teams to define, design, and ship new features while ensuring a seamless user experience.

Join our dynamic team at Meritis as a C++ Developer! In this role, you will be responsible for designing, implementing, and optimizing software solutions that meet our clients' needs. We are looking for innovative thinkers who are passionate about technology and eager to contribute to exciting projects.

Join our innovative team at Meritis as a Java Angular Developer (H/F) in the heart of Paris! We are looking for a passionate and skilled developer who thrives in a dynamic environment and is eager to contribute to exciting projects. You will be responsible for developing robust applications using Java and Angular, collaborating with cross-functional teams to deliver high-quality software solutions.

Role Overview Meritis is looking for a C# Developer (H/F) to join the team in Paris. This position centers on building applications and supporting ongoing projects alongside experienced colleagues who care about quality and technology. What You Will Do Develop C# applications as part of project teams Work closely with professionals from different disciplines Contribute to project success through hands-on coding and collaboration Location This role is based in Paris.

Role Overview Meritis is looking for a C# Developer to help design and build software solutions in Paris. This role involves collaborating with a skilled team to deliver applications that support client requirements. The team works with agile methods to ensure projects move forward smoothly and adapt to change. What You Will Do Develop and maintain applications using C# Contribute to the design and architecture of scalable software Work closely with colleagues to deliver solutions that match client needs Participate in agile ceremonies and contribute to a collaborative work culture Location This position is based in Paris.

Join our dynamic team at iliad-free as an End-to-End Network Performance Engineer specializing in NetDevOps. In this pivotal role, you will be responsible for ensuring optimal performance across our network systems. Collaborate with cross-functional teams to implement innovative solutions, enhance system efficiencies, and drive continuous improvement initiatives.We are looking for a passionate engineer who thrives in a fast-paced environment and is eager to tackle complex challenges head-on. If you possess a strong analytical mindset and a commitment to excellence, we want to hear from you!