Romain Goussu

Internal role reporting directly to the two co-founders: conductor and advocate of the technical community (Dev, Data, Ops) toward the staff, driver of internal initiatives, and administrator of eXalt-IT's AWS platform.

• Structured and automated the technical-assessment side of recruitment plus coaching/skill-up (Power Automate in V1, an in-house ad-hoc tool in V2).
• Mentored engineers in hexagonal architecture, TDD, API management (REST, gRPC; Kafka, RabbitMQ) and infrastructure (SQL/NoSQL persistence, Redis caching).
• Restructured and rationalised the AWS infrastructure, cutting monthly cloud costs by 50%+.
• Led an external vendor to rebuild the corporate site from WordPress to a near-zero-compute Jamstack architecture.
• Set up kata & coaching tracking boards wired into the company's communication tools.

Software publisher in wealth management. Re-platforming a monolith to microservices via the strangler-fig pattern, extracting shared cross-cutting services for all Harvest teams. 12-person team with a high quality bar and continuous-improvement culture (Kaizen).

• Built & ran cross-cutting microservices (Tenant Management, Identity) and business services (Fees) using hexagonal architecture, design-by-contract and event-driven architecture.
• Built & ran an Angular front end on Harvest's internal framework / design system.
• Built a Core framework to ease team adoption of the Quarkus/MicroProfile stack (Outbox pattern, error management, tenant context, mediator pattern).
• Ran POCs / spikes for new tech (OpenTelemetry rollout, time-series databases) and spread best practices to other Harvest teams.

Total's worldwide business unit for EV charging — from installing charge points to running charging fleets as an operator. Microservice architecture (Java/Spring Boot services + Node/ Angular PWAs over a RabbitMQ bus). 5-person Scrum team, two-week sprints.

• Built several B2B and B2G progressive web apps.
• Implemented cross-cutting features across the microservices.
• Took part in migrating the existing IS to Azure with Ansible infrastructure-as-code.
• Owned technical design on structuring topics (payment process, end-user journey).

Takima's internal bootcamp: built a marketplace across several training modules.

• Java 11 + SQL (PostgreSQL, MySQL) back end with Spring Boot 2, Hibernate 5, Spring Data JPA.
• DevOps toolchain — Docker, Ansible, a continuous-delivery pipeline; Git, Maven, Flyway.

Framework contract to build and maintain part of the DGAC application estate. Project METEOR, a monolith easing regulatory exchange between the DSAC and civil-aviation actors. V-model team of five developers, a senior tech lead and a project manager.

• Migrated the project from TFVC to Git and set up a TFS/Jenkins CI/CD pipeline.
• Introduced practices — code review, test automation, feature branching.
• Built a functional module of lot 2 and integrated the DGAC's document-management system (in-house, OpenCMIS/Alfresco).
• Cut the defect rate at factory-acceptance delivery by ~50%.

IT services company; assignments for public and private clients (DGAC — METEOR lot 1, OLAF-GEN, MEDRANO/Alphatango drone registration; AGEFICE — Agnes; Renault Sport — Travel Planner) across teams of varying size.

• Technical design and modelling; ran design workshops with business stakeholders.
• Implemented features and kept applications in operational condition (anomaly resolution).
• Improved deployment processes — set up CI/CD pipelines, improved existing workflows.
• Supported business and ops users through acceptance, install and go-live.

Social-security fund providing health-cover continuity for French expatriates, modernising its IS. Part of a ~10-person application-maintenance team (TMA), V-model, across maintenance and build.

• Analysed and fixed anomalies; took part in every build phase from design workshops to specs, feature delivery, integration and acceptance of components from a service centre.
• Wrote technical documentation for both the legacy and newly integrated components.

National body distributing "journée de solidarité" funds nationwide.

• Built a POC to industrialise the functional acceptance testing of a web application.

Multidisciplinary maintenance team working on complex systems.

• Produced operational documentation for on-call teams covering newly delivered systems.