Freelancer profile translated to English.
Back to original languageAbout Ulrich
Fullstack TypeScript Developer · Node.js · NestJS · Angular | Founding Engineer & Software Architect
For over 10 years, I've been transforming startup ideas into robust and scalable SaaS products. From prototype to mature product, I support your technical growth with a pragmatic approach.
Are you in one of these situations:
- You have a product idea and are looking for a Founding Engineer
- You have legacy code that no one understands anymore and is costly to maintain
- You've coded your SaaS yourself, but now need to turn it into a truly scalable product
Then I can help! How?
- We define your real needs together, taking your business strategy into account
- We prioritize with the goal of delivering as quickly as possible, and continuously
- I develop your product with a focus on quality, guided by your business needs.
Skills and technologies mastered
Languages & Frameworks: TypeScript, JavaScript, Node.js, NestJS, Angular, SQL, PostgreSQL
Software Engineering: SOLID, Hexagonal Architecture, Event Sourcing, Micro-services, CQRS, Domain-Driven Design (DDD)
DevOps: Git, GitHub Actions, CI/CD, Docker, AWS
Soft skills: Product & business understanding, Strategic alignment, Autonomy
Languages: French, English
📩 Want to accelerate your product? Contact me for a quick chat about your challenges.
Bonus: I am CII certified, you can benefit from a 20% tax credit on my services.
French
Native or bilingual
English
Fluent
Remote only
Primarily works remotely
Experience
- somanyWaysSenior Fullstack DeveloperHUMAN RESOURCESApril 2023 - June 2025 (2 years and 2 months)Paris, FranceAs aSenior Fullstack Developer(NestJS/Angular), I was tasked with supporting the transition from a development studio to building an in-house team for aSaaSspecializing in managerial relationships.Key Achievements:*UX/UI Redesignof the Angular application in collaboration with the designer and product owner for a simplified and modern experience in a B2B realignment.
- Development of new features usingDomain-Driven Design (DDD)andTest-Driven Development (TDD)approaches.
- Refactoring of legacy code and re-architecture according to business needs and client strategy, with a focus on code and product quality.
- Optimization ofCI/CDandDockerizationof environments.
- Participation in thestructuringof the internal team, support for **onboarding**, and **mentoring**.
Technologies Used:TypeScript, Nx, Node.js, NestJs, Angular, PostgreSQL, SQL, Git, Github Actions, Docker, Terraform, AWS, Heroku, Domain-Driven Design (DDD), Test-Driven Development (TDD), Hexagonal Architecture - CardiologsSenior Front-end DeveloperMEDICALMarch 2022 - September 2022 (6 months)Paris, FranceCardioLogs, a medtech company specializing in cardiology, offers various tools for analyzing and diagnosing cardiac rhythm disorders using artificial intelligence. As aSenior Front-end Developer(Angular), my role was to contribute to enhancing and maintaining the analysis platform's dashboard.Key Achievements:
- Standardized UI components and adhered to the Design System.
- Implemented a new UX, defined by the Product Owner, to simplify the review of electrocardiogram analyses on the platform.
- Integrated new Analytics tools for finer tracking of platform usage (Segment).
- Maintained unit and end-to-end tests (Cypress).
Technologies Used:TypeScript, Angular, Nx, RxJS, Git, Github Actions, Cypress - Hub2Fullstack DeveloperBANKING AND INSURANCENovember 2019 - October 2021 (2 years)Saint-Denis, RéunionFinTech SaaSfor West African professionals, Hub2 is a SaaS enabling businesses to collect online and offline payments via Mobile Money, bank cards, and bank transfers.https://docs.hub2.io/api-reference/As a **Founding Engineer**, my main objective was to help Hub2 transform a PoC into a stable and robust solution, enabling the validation of a strategic funding round (€1.6 million).Key Achievements:
- Collaborated with the business team to identify a **common language (Ubiquitous Language)**, accelerating communication within the team and defining the platform's business rules.
- Designed and developed aPayment GatewaywithNestJsandPostgreSQLenabling complete and rapid integration ofPayment Providersto cover payments via Mobile Money, bank cards, and bank transfers.
- Designed and developed amulti-currency Ledgerwith **NestJs**, **PostgreSQL**, **Redis**, and **RabbitMQ**, allowing tracking of different client balances.
- Participated in **PCI-DSS compliance**, in close collaboration with a cybersecurity expert and a DevOps engineer, to securely handle bank card data.
- **Recruitment and support of the internal team**: participation in interviews, onboarding, mentoring.
Technologies Used:TypeScript, Node.js, NestJs, PostgreSQL, Redis, RabbitMQ, PHP, Symfony, Git, Gitlab CI/CD, Docker, Azure, Domain-Driven Design (DDD), SOLID, Event Sourcing, Microservices, Hexagonal Architecture
Reviews
Benjamin
MOZART DIGITAL
Reviewed on 5/9/2022
Ulrich was very responsive despite our constraints, excellent work.
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Education
- Master of Computer ScienceUniversity of Reunion2015
- Bachelor of Computer ScienceUniversity of Reunion2013