About Valentin
French
Native or bilingual
English
Fluent
Experience
- SpendeskSoftware EngineerBANKING AND INSURANCENovember 2025 - Today (7 months)Paris, FrancePart of the Payments group within Spendesk Financial Services, working in the KYC Squad, responsible for customer onboarding and regulatory compliance.I contribute to the design, development, and maintenance of backend systems critical to user onboarding, ensuring a smooth customer experience while meeting strict financial and regulatory requirements.
- Sia PartnersSoftware EngineerSOFTWARE PUBLISHINGFebruary 2023 - October 2025 (2 years and 8 months)Paris, FranceDeveloper on Stratumn, a B2B SaaS platform enabling business process modeling and traceability using blockchain technology.
- Designed and deployed a high-throughput job scheduling system, capable of processing 10,000+ jobs per minute in production, using advanced techniques such as optimistic locking and vertical partitioning.
- Built a scalable ingestion pipeline (AWS SQS + Lambda) handling millions of requests per month with high reliability and low latency.
- Implemented a new ReBAC authorization system and secured 30+ microservice endpoints, improving access control and security.
- Developed a no-code platform with AgGrid enabling customers to build and manage workflows autonomously, reducing developer support needs.
Core skills: TypeScript, backend development, system design, Terraform, AWS, Kubernetes.A bit of frontend development.
Recommendations
Be the first to recommend Valentin
Help this freelancer shine by sharing your experience working together.
These freelancer profiles also match your criteria
Agatha Frydrych
Backend Java Software Engineer
4.7
(3)
2
Baptiste Duhen
Fullstack developer
4.6
(4)
5
Amed Hamou
Senior Lead Developer
4
(2)
7
Audrey Champion
Web developer
4.3
(3)
4
Education
- Master's Degree inPolytech Montpellier2023Master's degree in Computer Science
Certifications
- AWS Certified Cloud PractitionerAmazon Web Services Training and Certification2024