Sebastien ABBAL

CTO as a Service | Node.js NestJS / React / Expo

Salaire / Taux journalier

Marseille, France

Freelance, ouvert au CDI

Peut venir sur site

Expertises

NestDomain Driven DesignClean ArchitectureCTOHexagonal ArchitectureDéveloppement FrontendDéveloppement BackendDéveloppement FullstackDéveloppement MobileReactJavascriptNodeRedisMongoDBDevOpsReact NativeAWSDynamoDBElasticsearchAWS LambdaITILDéveloppeur BackendEvent Driven ArchitectureGitDéveloppeur WebDéveloppeur MobileStratégie ProduitClean CodeDockerIngénieur DevOpsGitHubProduct ManagementPostgreSQLVP EngineeringDéveloppeur FrontendProduct OwnershipTypescriptNextAmazon EC2Engineering ManagerDéveloppeur FullstackTerraformProduct OwnerMySQLProduct ManagerConseil ITManagement de transitionStratégie & ConsultingGestion de projet - PMOTransformation digitale

Langues

Français (Maternelle)Anglais

À propos

Introduction

CTO HandsOn / Techlead Focus on Tech for business

Liens

Expérience de travail

CTO as a Service (HandsOn)

BURST ITFreelance

sept. 2025 - Présent

1 an 2 mois

Marseille, France

- CTO as a service / Audit / Due diligence IT / strategy and consulting - Web and mobile development (Architecture, Node.js with NestJS, React.js, React Native, etc.) (Preference for DDD, EDA, Clean Architecture) - DevOps on AWS/Scaleway (using Terraform / Aws CDK) - Observability (SLI,SLA,SLO) / Monitoring (Alerts, Logging, Traces, Reportings) - Team leadership and supervision - Budget planning and management - Project/Product management - Implementation of developer best practices

CTO as a Service (HandsOn)

AS CONSULTINGFreelance

oct. 2024 - sept. 2025

1 an

Marseille, France

- Web and mobile development (Node.js with NestJS, React.js, React Native, etc.) - DevOps on AWS (using CDK) - IT strategy and consulting - Team leadership and supervision - Budget planning and management - UI/UX design (Figma) - Product ownership (Scrum) - Implementation of developer best practices

DSI / CTO

Cogepart Groupe

avr. 2023 - oct. 2024

1 an 7 mois

Marseille, France

- Group IT strategic position on innovation management (build) and production improvement (run) for digital transformation - IT team of 25 people - Create tool of flows unification - Create a TMS (Transport Management System) - Create/Improve strategic dashboards for operations and customers - Improve AI tools for solving transport/logistics problems - Understand and improve driver processes to improve applications for them - Audit and integration of new companies (external growth) - Bug fixes for production incidents

CTO

Maria Schools

févr. 2022 - mars 2023

1 an 2 mois

Paris, France

App: Pedagogical application - Team management of 3 developers (ScrumBan = Scrum + Kanban) - Product owning: Scrum events, backlog management, product management, priorities, specifications, discuss about the needs with the parties concerned by the product, staff support. - Back programming (NodeJS, NestJS, Apollo, Typescript, API GraphQL, API REST, Postgres, Prisma, Jest (test coverage > 93%), Redis, Opensearch (Elasticsearch)). - Front programming (React.js, Typescript) - Devops (GitHub actions, CI/CD, Deployment with CDK, AWS Lambda, AWS S3, AWS Gateway, CloudFront, AWS EC2, AWS ECS/ECR (Fargate), Docker, Serverless) Other missions: - IT transformation with schools processes unification to organize the IT around this structuration. - Make some scripts to help and create value (ex: student matching algorithm) - Computers fleet management - Staff support - Students product workshops advices - Writing of documents (IT documentation, RGPD, security, processes, it forms from other companies, ...)

FeelbackFreelance

oct. 2019 - mars 2022

2 ans 6 mois

Paris, France

CTO (cofounder)

janv. 2021 - mars 2022

1 an 3 mois

Paris, France

App: Feelback - Team management of 5 developpers (ScrumBan = Scrum + Kanban) - Back programming (NodeJS, Express, Apollo, Fastify + Mercurius plugin, Typescript, API GraphQL, API REST, Postgres, DynamoDB, Prisma, Nexus, Sentry, Jest, Redis, ElasticSearch, Kibana, Python) - Front programming (React native CRNA, Objective-C/Swift, Java Android) - Devops (GitHub actions, AWS Lambda, AWS S3, AWS Gateway, CloudFront, AWS EC2, AWS ECS/ECR (Fargate), Docker, Serverless, Terraform, Nginx)

CTO (cofounder)

oct. 2019 - mars 2021

1 an 6 mois

Région de Paris, France

App: Meemo - Team management of 2 internships developpers (Kanban) - Back programming (NodeJS, API REST, Express, MongoDB) - Front programming (React native Expo) - Devops (GitLab, AWS S3, AWS EC2, LoadBalancing)

Extia

janv. 2019 - oct. 2019

10 mois

Région de Boulogne-Billancourt, France

Proxy product owner (PPO)

juin 2019 - oct. 2019

5 mois

Région de Boulogne-Billancourt, France

Solocal consultant as PPO in the "Web team". - Web interface projects - Payment project - Bug fixes

Business manager IT

janv. 2019 - juil. 2019

7 mois

Région de Boulogne-Billancourt, France

CEO/CTO (cofounder)

JobRocket

juil. 2017 - mai 2018

11 mois

Région de Marseille, France

JobRocket is a jobboard that allows recruiters to simply post their jobads. Potential candidates will be able to consult and apply to them in a simple and fast way and without costs for them (no registration necessary). Within JobRocket I am in charge of: - Manage the company (administration, accounting) - Develop the business (Marketing, SEO, SEA, Emailing, Competitive Intelligence) - Develop the UI / UX and the coding of the platform (PHP Symfony 3, Doctrine, Twig, etc.) - Manage support and CRM (Intercom)


Formation

KEDGE Business School

Master's degree

2016 - 2018

2 ans 1 mois

KEDGE Business School

License

2013 - 2016

3 ans 1 mois

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