Robert HINFRAY

Supporting the exploration and implementation of new Generative AI use cases. 💼 Key Contributions • 🤖 Developed PoCs integrating LLMs (OpenAI, Claude, Gemini) for user assistance and business process automation. • 📚 Researched and prototyped RAG architectures, AI agents, and MCP integrations. • 🏗️ Designed and prototyped AI agents capable of interacting with business services and external APIs. • 🔍 Experimented with LangChain and LangGraph for AI workflow and agent orchestration. 🛠️ Tech Stack Claude Code 2.1, LangChain, LangGraph, MCP, RAG, Vector Databases, LLMs.

Supporting the modernization of applications and the progressive integration of Generative AI. 💼 Key Contributions • 🏗️ Conducted architecture assessments and defined modernization roadmaps. • 🚀 Supported migration projects to Java 21+ and Spring Boot 3.x, including the assessment and integration of Spring AI for new Generative AI use cases (LLMs, RAG, embeddings, Vector Stores, Tool Calling). • 👨‍🏫 Optimized the performance of Java applications deployed on Kubernetes by tuning JVM parameters (memory management, Garbage Collector, CPU utilization and startup time) according to container constraints. 🛠️ Tech Stack Java 21–25, Spring Boot 3, Spring AI, Angular 18–20, PostgreSQL, Docker, Kubernetes.

Led the frontend architecture and development of Sqalia BPA, a SaaS solution using AI and low code/no code to automate business processes. 💼 Key Contributions • 🔧 Bootstrapped the project and defined the technical foundations using Nx monorepo. • 📦 Built business features in close collaboration with product teams. • 🧠 Developed a custom state management system. • ✅ Enforced coding standards and quality thresholds (SonarQube, unit tests). • 👨‍🏫 Mentored a team of 5 developers through regular code reviews. 🛠️ Tech Stack Angular 17, NestJS, Nx, Jest, SonarQube, Keycloak, Docker, Kubernetes, Spring Boot, gRPC, Temporal, Apache Camel, Java 17

Contributed to the revamp of Infogreffe’s information system, integrating modern technologies to improve competitiveness and agility. 💼 Key Contributions • 🔄 Participated in the design and development of a new platform using React 18 and Spring Boot. • 📚 Wrote technical backend documentation, UML diagrams, and integration guides. • 🔍 Integrated Azure App Insights for backend monitoring. • 🚀 Delivered user stories in Agile sprints, collaborating closely with cross-functional teams. 🛠️ Tech Stack React 18, Redux, Jest, Gatsby, Strapi, Spring Boot 2.7.3, Java 17, Apache Camel, Keycloak, Azure App Insights, AKS, Docker, Kubernetes, Postgres 14, Gatling

Worked as Angular technical referent on a marketing campaign platform aimed at decoding shopper behavior and enhancing campaign proposals for retail clients. 💼 Key Contributions • 🧩 Designed and implemented new front-end features with Angular 14 and Angular Materi-al. • 🚀 Optimized existing applications to improve user experience and performance. • 🔄 Collaborated with backend teams to implement and monitor REST APIs using Quarkus. • 👥 Mentored junior developers and supported technical decision-making. • 📈 Contributed to tech watch and continuous improvement efforts. 🛠️ Tech Stack Angular 14, Angular Material, Quarkus 2.10, Java 15, TypeScript, HTML5, SCSS, Snowflake, PostgreSQL, Azure, Docker, Adobe XD, Zeplin, Git, Bitbucket, Gradle

Worked on the development of a customized e-commerce platform for personalized printing prod-ucts (signs, stamps, announcements). 💼 Key Contributions • ⚙️ Developed components and views using Vue 2, Nuxt.js, and Vuetify. • 🔌 Integrated REST endpoints from a NestJS backend. • 🎨 Translated Figma wireframes into responsive and accessible UI. • 🔄 Participated in the full product lifecycle: design, development, testing, deployment, and support. • 🛠 Maintained and enhanced backend services and technical documentation. 🛠️ Tech Stack Vue 2, Nuxt.js, Vuex, Vuetify, Nest.js, Node.js, Express, Git, GitLab, Figma, Shopify, SCSS, HTML5, ES6+, Google Tag Manager, MySQL

Contributed to the modernization of social declaration systems used by French companies on net-entreprises.fr, a public digital platform. 💼 Key Contributions • 🧱 Planned and executed architecture refactoring to modernize legacy systems. • 🧩 Designed modular and maintainable software for distributed environments using modern design principles. • 🚧 Reduced technical debt and system complexity through targeted improvements. • 📐 Defined and enforced coding standards and architectural best practices. • 🔐 Managed middleware security patching and web application security reviews. • ✅ Improved code quality via SonarQube, Ansible, and deployment automation tools. 🛠️ Tech Stack Spring 5, Spring Batch 4, Hibernate 5, Angular 11, WebLogic 12c, Oracle 19g, SonarQube, Ansi-ble, XLDeploy, VMware

Led the development of a web platform for life and health insurance services, aimed at improving customer satisfaction and adapting to digital expectations. 💼 Key Contributions • 🧑‍💻 Built dynamic and responsive front-end interfaces using Angular, TypeScript, and Boot-strap. • 🔁 Integrated reactive REST APIs built with Nest.js and Spring WebFlux. • 🤝 Managed a team of 8 developers, supporting both frontend and backend tracks. • 🧭 Defined architecture best practices, established design patterns, and mentored team members. • 🧪 Designed and tested services using Postman, Jasmine, JUnit, and Karaté. 🛠️ Tech Stack Angular 7, Nest.js, TypeScript, Node.js, Express.js, Spring Boot 2.2, Spring WebFlux, Java 11, MongoDB, Git, Bitbucket CI/CD, Jenkins, Sonar, Jasmine, JUnit, SOAP/REST, SAFe, Scrum

Contributed to modernizing citizen-facing administrative services by defining the technical strategy and ensuring architectural coherence. 💼 Key Contributions • 🧭 Led architectural decisions to align solutions with citizen needs and digital moderniza-tion goals. • 🧩 Assessed technical feasibility and guided teams on solution implementation. • 📐 Established design and development standards to unify practices across teams. • 💬 Acted as a technical advisor for developers and stakeholders throughout the project lifecycle. 🛠️ Tech Stack HOPEX v4 , TOGAF, Angular 8, Spring Boot 2.2, Spring Cloud Netflix, Java 11, OpenShift 3.11, ActiveMQ 5.5, GitLab CI/CD

Supported Kering's cloud transformation initiative by designing and deploying global, distributed systems on AWS to power web platforms for luxury brands. 💼 Key Contributions • 🧱 Designed and implemented cloud-native architectures using AWS ECS, EKS, Lambda, Kafka, and MongoDB clusters. • ⚙️ Automated infrastructure provisioning with Terraform (IaC) for scalable and secure de-ployments. • 🔄 Advised on integration strategies, enterprise architecture, and cloud operating models to ensure alignment with business objectives. • 🧩 Supported frontend (React/Angular) and backend (Node.js, GraphQL, Java) integration in a DevOps environment. 🛠️ Tech Stack AWS (ECS, EKS, Fargate, Lambda), Terraform, Kafka 2.1, Python 3, Angular 6, Node.js, GraphQL, Java 11, GitLab CI/CD

Led the architecture strategy to support Cardif’s digital push for selling pension life insurance online. 💼 Key Contributions • 🧱 Defined solution architecture and ensured alignment with business objectives and infra-structure strategy (PCA, PRA). • 📈 Guided the product team on technology roadmap and digital platform capabilities. • 🔄 Oversaw development, provided technical leadership, and coached developers until they gained full autonomy. • 🛠 Collaborated with cross-functional teams to ensure high availability and performance of the system. 🛠️ Tech Stack HOPEX v2, ArchiMate, JavaScript ES6, Java 8, React.js, Spring Boot 1.4, Citrix XenApp/XenDesk 7.9, VMware vSphere 6, Axway Gateway & Integrator, GitHub

Led the frontend and mobile development for a new online drive market platform to help Les Mousquetaires gain market share and improve customer satisfaction through fast, seamless online grocery shopping. 💼 Key Contributions • 🧩 Designed architecture for both React.js web apps and React Native mobile apps, ensur-ing performance and consistency across platforms. • 👥 Led and mentored a team of developers; conducted code reviews and enforced best prac-tices. • 📚 Delivered technical documentation and design guidelines for long-term maintainability. • 🔗 Supported a Spring Boot / Docker backend to ensure scalability and real-time data ac-cess. 🛠️ Tech Stack React.js, Redux, React Native, Jest, Enzyme, Webpack 3, Spring Boot, Spring Cloud, Java 8, Dock-er, SASS, CSS3 Flexbox

Led the development of a hybrid web and mobile app to modernize factoring services and attract new clients, aligning business expectations with robust technical delivery. 💼 Key Contributions • 🧱 Designed scalable, performant solutions using Angular 4 and Ionic, ensuring code reuse across platforms. • 🔄 Acted as the bridge between business stakeholders and developers to translate needs into actionable technical plans. • 🧑‍💻 Led code reviews, architecture discussions, and data modeling; encouraged a clean, test-able codebase. • ⏱ Delivered project milestones on tight deadlines, regularly reporting progress and risks to the project manager. 🛠️ Tech Stack Angular 4, Ionic, ES6, Webpack 2, Node.js, Jasmine, Karma, Protractor, UI Bootstrap, SASS, CSS3, Responsive Design

Led the revamp of AXA’s legacy application by designing a modern B2B platform for online car and health insurance, aiming to improve competitiveness in the digital insurance market. 💼 Key Contributions • 🧱 Designed and developed the full-stack application using MeteorJS, ReactJS, and Node.js. • 👨‍🏫 Mentored junior developers, enabling them to grow into fully autonomous senior con-tributors. • 📦 Translated business needs into robust, testable code within an Agile framework (stand-ups, demos, retros). • 🚀 Delivered the new application on time, with improved performance and usability. 🛠️ Tech Stack MeteorJS, ReactJS, Node.js, SailsJS, Strongloop, JavaScript (ES6+), MongoDB, Docker, OpenShift v3, HTML5, CSS3, Bootstrap, Sass/Less, Mocha, Chai, SinonJS, Nunjucks, Agile/Scrum, Git, GitHub, Pair Programming

Led the design and implementation of a modern middleware and DevOps platform to enhance de-veloper productivity and deployment efficiency across the organization. 💼 Key Contributions • 🛠 Established a next-gen CI/CD pipeline using Jenkins, Ansible (playbooks), and Nexus to automate build, test, and deployment of React.js applications. • 🔄 Translated developer needs into streamlined DevOps workflows thanks to a strong full-stack background. • 🖥️ Administered critical infrastructure components (WebSphere 8.5.5.5, MQ 8.0, Tomcat 8, Apache 2.4), and handled daily production support and incident resolution. • 🚀 Enabled continuous delivery of software through small, frequent releases, reducing de-ployment time and improving reliability. 🛠️ Tech Stack Red Hat Linux, AIX, Ansible, Jenkins, Nexus, Python 3, Node.js, React.js, JavaScript, HTML5, CSS3, SailsJS, Jasmine, Karma, MongoDB, WebSphere, Tomcat, Apache

Led a strategic initiative to improve code quality, reusability, and developer efficiency in a large banking application ecosystem. 💼 Key Contributions • 🧱 Designed an abstraction layer to eliminate code duplication across teams, significantly reducing maintenance effort and onboarding time. • 📚 Defined guidelines and best practices for building reusable Java components, promoting clean architecture and standardized implementation patterns. • 🌱 Introduced new technologies and innovative design ideas after technical benchmarking, positively influencing the solution architecture. • 🤝 Conducted code reviews and mentoring sessions to help developers write clean, tested, 🛠️ Tech Stack Java 5, Spring Web Flow 2, JSF 1.2, JPA 2 (Hibernate, EclipseLink), WebLogic Portal 10.3.6, JMS, JAX-WS, JCA 1.5, ClearCase, Nexus, Hudson, CICS IMS, Corporsys, Tanit, AngularJS, JavaS-cript, jQuery 1.8, WSRP 2.0, IPC, Portal Federation, Portlets

Contributed to the development of a next-generation insurance platform aimed at improving respon-siveness to customer needs. 💼 Key Contributions • 🔧 Refactored legacy Java code to improve maintainability and eliminate code smells, fos-tering a cleaner and more scalable codebase. • 🧩 Developed features based on functional and technical specifications, ensuring code qual-ity, compliance with standards, and timely delivery. • ✅ Promoted Agile methodologies and Test-Driven Development (TDD) to accelerate feed-back loops and raise development standards. • 🛠 Provided Level 3 (L3) technical support for all Java-based applications, including bug analysis and resolution during testing and production phases. • 📚 Helped the team upskill in modern Java and frontend technologies, positively impacting productivity and code quality. 🛠️ Tech Stack Java, Spring MVC, Spring Batch, Spring Integration, Spring Security, Hibernate, Spring JDBC, Struts 1.2, CXF, XFire, Axis 2, Maven 3, Jenkins, Nexus, JIRA Frontend: AngularJS, Node.js, JavaScript, jQuery 1.9, HTML5, CSS3, GWT, JSF, RichFaces Tools & Environment: WebStorm, Ubuntu

CNAMTS, the French National Health Insurance Fund, aimed to improve system management by exposing its services via an HTTP API Gateway. 💼 Key Contributions • 🔍 Studied technical feasibility and defined the architecture for a secure and reliable API Gateway. • 🏗 Designed and implemented technical solutions, developed code, and conducted compo-nent-level tests. • 👨‍💻 Mentored junior developers to enhance team skills and delivery capabilities. • 🤝 Enabled better data exchange and interoperability with external organizations through standardized web services. 🛠️ Tech Stack Oracle Service Bus (OSB) PS4, Oracle Workshop (OEPE), WLST, JPython, WS-Security, SAML, InterOPS, UNT, X.509 certificates, Java, JavaScript, JAX-WS, Web Services, XPath, XQuery, XMLBeans, SOAPUI 3.5+

SNCB, the Belgian railway company, wanted to expand its business processes to adapt to a chang-ing economic environment and open new activities. 💼 Key Contributions • 🚀 Designed and built a new product architecture from scratch, tailored to evolving business needs. • ⚙️ Set up a robust middleware technical environment based on Oracle Service Bus (OSB) and SOA Suite. • 🗓 Effectively managed development tasks, deadlines, and priorities to ensure timely deliv-ery. • 🏢 Established an Enterprise Integration Competency Center to foster best practices and streamline development processes. • 🛠 Deployed and configured a service bus development environment to support scalable in-tegration. 🛠️ Tech Stack Oracle OSB/SOA/WebCenter/ADF PS4 & PS5, Enterprise Manager, JDeveloper 11g, Oracle Workshop (OEPE), WLST, JPython, Oracle AQ, MQSeries, OER/OSR versioning, Blueprint, Web Services, XPath, XQuery, XMLBeans, SOAPUI 3.5+

Vinci Energies, an energy services company, aimed to improve the reliability and efficiency of en-ergy exchanges with its partners. 💼 Key Contributions • 🔧 Applied deep SOA expertise to design enterprise topologies and integration strategies. • 👥 Led a small middleware team of about five members, coordinating efforts and ensuring quality delivery. • 📊 Provided end-to-end technical leadership throughout requirements gathering, design, de-velopment, testing, and deployment phases. 🛠️ Tech Stack Oracle SOA/OSB/BAM/ODI Suite 11g PS3 & PS4, OSB, Enterprise Manager, JDeveloper 11g, Oracle Workshop (OEPE), WLST, Jython, Web Services, XPath, XQuery, XMLBeans, SOAPUI 3.5+, Icommand, PL/SQL, Oracle AQ, B2B, Linux SUSE 10 & 11

Vinci Energies, an energy services company, aimed to improve the reliability and efficiency of en-ergy exchanges with its partners. 💼 Key Contributions • 🔧 Applied deep SOA expertise to design enterprise topologies and integration strategies. • 👥 Led a small middleware team of about five members, coordinating efforts and ensuring quality delivery. • 📊 Provided end-to-end technical leadership throughout requirements gathering, design, de-velopment, testing, and deployment phases. 🛠️ Tech Stack Oracle SOA/OSB/BAM/ODI Suite 11g PS3 & PS4, OSB, Enterprise Manager, JDeveloper 11g, Oracle Workshop (OEPE), WLST, Jython, Web Services, XPath, XQuery, XMLBeans, SOAPUI 3.5+, Icommand, PL/SQL, Oracle AQ, B2B, Linux SUSE 10 & 11

AG2R La Mondiale, an insurance company, aimed to stay competitive and innovative in a rapidly evolving market. 💼 Key Contributions • 🛠 Maintained and enhanced Java-based features, focusing on modular and reusable compo-nents. • 🔍 Conducted integration testing and thorough code reviews to ensure high quality deliver-ables. • 📏 Defined and enforced enterprise standards and best practices across the Java tech stack. 🛠️ Tech Stack Spring 2.5.5, Spring Security 2, NTLM, JCIFS, Java 5, Hibernate 3, JSF 1.1, RichFaces 3.2, My-Faces Tomahawk 1.1.6, GWT 1.6.4, Eclipse 3.4, Maven 2, CVS, CICS Persistence & Comarea (copyCobol to POJO), JAX-WS, Metro, Xfire, CruiseControl, Hudson, Fixture Fitnesse, JUnit 3.8, Selenium IDE & tests, CheckStyle, PMD, Nexus, Maven plugins, WebSphere 6.1, Tomcat 5.5, Scrum

Banque de France initiated a project to redesign their client-server information system with modern Java technologies. 💼 Key Contributions • 📅 Collaborated with the project manager on project estimates and sprint planning. • 🔬 Conducted proof of concepts and detailed technical designs to validate solutions. • 💻 Developed a Java-based pilot application using cutting-edge technologies such as Hiber-nate (persistence), JSF and RichFaces (UI), and Spring Framework (Spring MVC, Web Flow, Security) for business logic. • ⭐ Provided architectural patterns and coding best practices that inspired other developers to refactor their applications successfully. • 🎯 Contributed to the project’s successful achievement of its objectives. 🛠️ Tech Stack Java 5, Spring 2.5.5, Spring Web Flow 2, Spring Faces, Spring Security 2, NTLM, Kerberos, Active Directory, VPN SSL Juniper, SpringFuse, Seam 2, Hibernate 3, JSF 1.2, RichFaces 3.3, Ajax4JF, JBoss Tools 3, Eclipse 3.4, m2eclipse, Maven 2, Proximity, SVN, Citrix, NATSTAR, Oracle 10g, Tuxedo, Melodic