MARGO

DevOps Engineer

• Design, implement, and maintain security testing tools within our CI/CD pipelines (GitLab CI).
• Review and tune our Mend.io deployment: SAST (Static Application Security Testing), DAST (Dynamic AST), and SCA (Software Composition Analysis) tools to catch vulnerabilities before deployment.
• Ensure "fail-fast" mechanisms are in place so developers receive immediate feedback on security regressions.
• Lead Threat Modeling workshops with engineering teams during the design phase of new features.
• Advocate for "Security by Design" principles, helping developers understand potential attack vectors and mitigation strategies.
• Review Infrastructure as Code (Terraform) templates to ensure secure cloud provisioning.
• Review and optimize the current SIEM (Security Information and Event Management) implementation.
• Evaluate log ingestion strategies to ensure we are capturing the right data without noise.
• Develop and refine correlation rules and alerts to detect anomalies, intrusions, or policy violations effectively.
• Act as a subject matter expert for developers, providing guidance on remediation of security findings.
• Assist in maintaining compliance with industry standards (e.g., SOC2, ISO 27001, GDPR) through automated controls and evidence gathering.

Senior DevSecOps Engineer

Software Engineer

• Vous rejoindrez une équipe nouvellement créée chez un leader de l'énergie, dont la mission est de concevoir une plateforme de trading algorithmique dédiée au stockage d'énergie par batteries.
• En tant que développeur C#, vous participerez à la construction d'une solution robuste, scalable et haute performance capable de piloter des actifs en Europe et aux États-Unis.
• Développement du moteur de Trading : Concevoir les briques logicielles permettant l'algo-trading sur les marchés Intraday.
• Optimisation d’Assets : Implémenter et faire tourner des modèles d'optimisation complexes (prenant en compte la météo, les prix de marché et les profils de consommation).
• Plateforme de Backtesting : Développer un environnement sécurisé et performant permettant aux traders de tester et valider leurs stratégies algorithmiques.
• Scalabilité & Évolutivité : Participer à l'architecture d'une solution initialement centrée sur les batteries, mais destinée à intégrer à terme l'ensemble du parc renouvelable (éolien, hydraulique, thermique).

Développeur C#, Trading Algo

QA Engineer

• Passionate about bug hunting - you enjoy exploring all parts of our products and features to find possible issues before our users
• Set up a wide range of testing scenarios covering plenty of variations
• Compose clear test cases for both manual and automated testing
• Create and execute test plans for our products and features
• Develop, maintain and execute automated UI tests
• Mentor and collaborate with other QA engineers to foster a culture of quality and share best practices in testing
• Ensure that all test procedures are well documented
• Take responsibility for the quality of our products in interdisciplinary teams with developers, product owners, designers, automation engineers and the medical team

Quality Assurance Mobile Engineer – Android, iOS

Frontend Engineer

• Design and develop high-performance front-end applications using React or Angular
• Own UI architecture, component design and state management
• Build data-intensive and real-time user interfaces
• Ensure scalability, maintainability and long-term evolvability of UI platforms
• Apply best practices around clean code, refactoring and testing
• Develop UIs consuming real-time or near real-time data streams
• Manage high-frequency UI updates and rendering efficiency
• Optimise performance under real-time constraints
• Control latency perception, responsiveness and user experience
• Work with event-driven and streaming data sources
• Work closely with backend teams to define and consume APIs
• Collaborate with production, infrastructure and QA teams
• Translate business and user needs into robust UI solutions
• Act as a technical reference on front-end topics within the team
• Enforce high standards for code quality, testing and documentation
• Participate in code reviews and architectural discussions
• Contribute to continuous improvement of front-end practices and tooling
• Support mentoring and knowledge sharing while remaining hands-on

Front-End Developer – React, Angular

Backend Engineer

• Design, develop and maintain high-performance C# / .NET applications
• Work on real-time data processing including market data, pricing, orders, analytics and risk calculations
• Implement concurrency and parallel programming patterns adapted to performance-sensitive systems
• Participate in system design, architecture discussions and technical specifications
• Continuously optimise performance including latency, throughput and memory usage
• Contribute to the full software lifecycle: design, development, testing and release
• Produce clean, maintainable and well-tested code
• Participate in sprint planning, estimations and technical reviews
• Collaborate closely with developers, quant and infrastructure teams
• Provide 3rd line support on production systems when required
• Participate in production releases including occasional out-of-hours interventions
• Contribute to system stability, monitoring and incident prevention

C# / .NET Developer – Front Office, Electronic & Low Latency Trading Systems

• Design, develop and optimise ultra-low latency C++ trading components
• Work on critical execution paths for market data processing and order routing
• Implement lock-free and wait-free algorithms
• Optimise memory allocation, cache locality and CPU utilisation
• Reduce jitter and tail latency
• Analyse and optimise CPU behaviour (branch prediction, cache misses, NUMA effects)
• Work closely with infrastructure and network teams on kernel bypass and user-space networking
• Profile systems at instruction-level and hardware-counter granularity
• Ensure correctness, determinism and stability of production trading systems
• Participate in production releases and live deployments
• Investigate latency regressions and production anomalies
• Maintain rigorous operational discipline

C++ Developer – High Frequency Trading, HFT Systems

Support Engineer

• Provide Front Office IT support for live trading environments
• Ensure trading systems are available, stable and performant during market hours
• Monitor real-time trading activity and system behaviour
• Investigate and resolve production incidents
• Participate in incident, problem and change management processes
• Manage real-time trading and market data configurations
• Tune market data and market access parameters
• Support electronic execution and matching workflows
• Contribute to performance optimisation of trading platforms
• Assist with deployment of new versions, releases and features
• Contribute to Front Office IT and trading technology projects
• Support testing, releases and change implementations
• Report, track and follow up on bugs and production issues
• Work closely with development and infrastructure teams to improve platform reliability

Front Office IT Support Engineer – Trading, Electronic Trading Systems

Risk

• Work on ION platforms supporting trading and risk activities
• Ensure platform stability, data integrity and workflow consistency
• Investigate and resolve production incidents
• Act as a key point of contact between technology and business users
• Participate in platform upgrades and release activities
• Configure and customise ION modules and workflows
• Develop or enhance scripts, integrations and platform components
• Work on interfaces with surrounding systems and data sources
• Contribute to performance tuning and platform optimisation
• Work closely with Front Office, Risk or Operations users
• Understand business processes and translate them into platform solutions
• Participate in requirements analysis, testing and delivery
• Support users during change and onboarding phases

ION Platform Specialist – Trading & Risk Systems, Dev, Support, BA

• Design, develop and maintain high-performance Java applications
• Work on real-time data processing (market data, pricing, orders, analytics)
• Implement multithreading and concurrency patterns adapted to performance-critical systems
• Participate in system design, architecture discussions and technical specifications
• Continuously optimise performance (latency, throughput, memory, GC behaviour)
• Contribute to the full software lifecycle: design, development, testing and release
• Produce clean, maintainable and well-tested code
• Participate in sprint planning, estimations and technical reviews
• Collaborate closely with developers, quant and infrastructure teams
• Provide 3rd line support on production systems when required
• Participate in production releases (including occasional out-of-hours interventions)
• Contribute to system stability, monitoring and incident prevention

Java Developer – Front Office, Trading Systems

Network Engineer

• Contribute to the re-architecture of trading and electronic trading network infrastructure to improve latency, scalability and resilience
• Design and deploy network solutions following network-as-code principles
• Produce and maintain high-level and low-level designs (HLD / LLD)
• Participate in technical discussions around network standards and evolution
• Contribute to network automation initiatives using tools such as Ansible
• Help standardise configurations, deployments and operational changes
• Work closely with application and development teams to align infrastructure with system requirements
• Support integration with market connectivity and broker networks
• Participate in production support for trading network environments
• Contribute to troubleshooting and root-cause analysis in production
• Perform packet-level analysis to diagnose latency, packet loss or connectivity issues
• Support monitoring, capacity planning and incident response activities
• Help ensure high availability and operational stability of critical environments
• Act as a point of contact between infrastructure, trading and application teams
• Capture business and application needs and translate them into technical solutions
• Collaborate with global teams and external vendors on implementations and upgrades
• Contribute to knowledge sharing and operational documentation

Network Engineer – Trading, Electronic Trading Infrastructure

Production Engineer

• Operate and support Front Office trading systems in production
• Ensure high availability, stability and performance during market hours
• Own incident management from detection to resolution and root cause analysis
• Participate in on-call or production support rotations when required
• Contribute to post-incident reviews and long-term remediation actions
• Investigate complex production issues across applications, operating systems and databases
• Perform log analysis, system diagnostics and performance troubleshooting
• Analyse latency, throughput and resource utilisation
• Work closely with development teams to identify and resolve production bottlenecks
• Develop scripts and tools to automate operational tasks and investigations
• Improve monitoring, alerting and observability of production systems
• Contribute to deployment, release and change automation
• Reduce manual interventions through standardisation and automation
• Participate in releases, deployments and production changes
• Support testing and validation in pre-production environments
• Continuously improve system resilience, scalability and operability
• Collaborate with infrastructure and network teams on production topics

Production Engineer – Trading, Electronic Trading Systems

• Design, develop, and maintain Python-based core libraries and frameworks.
• Work closely with traders and research teams to gather requirements for new analytics and trading tools.
• Improve the performance, scalability, and maintainability of the Python platform.
• Enhance existing monitoring, analysis, and control tools to support research workflows.
• Provide L1/L2 support to Front Office users to ensure system stability during market hours.
• Investigate and resolve production incidents efficiently.
• Develop tools to improve system reliability and operational efficiency.
• Contribute to the evolution of performance-sensitive and low-latency setups.

Python Developer – Front Office R&D, Trading Systems

AI Engineer

• Vous évoluerez au sein d’une équipe encadrée par Hamza Bouanani, Practice Manager IA chez MARGO, également Lead Data Scientist chez BNP Paribas.
• Travailler à ses côtés, c’est intégrer une équipe d’experts passionnés, être challengé sur le plan technique et méthodologique, et contribuer à des projets à fort impact pour les clients.
• Nous recherchons actuellement un Ingénieur IA pour intervenir sur un projet stratégique de digitalisation de la production de métriques de risque au sein de l’équipe pluridisciplinaire menée par un Lead Data Scientist.
• Développer un système capable de prédire la probabilité que les indicateurs soient atteints, et identifier automatiquement les maillons faibles de la chaîne de calcul.
• Concevoir plusieurs IA (système multi agents IA) capables de centraliser la connaissance, répondre aux questions des utilisateurs et proposer des actions correctives automatiques.