About Jabar Olayimika
Développeur backend senior avec 10 ans d’expérience, je conçois des applications robustes, scalables et sécurisées, orientées produit et données.
Ma stack principale comprend Go, Rust, SQL et Python, avec une forte expertise en systèmes distribués et pipelines data.
Autonome, rigoureux et pragmatique, j’interviens aussi bien sur des MVP que sur des plateformes en production.
Je travaille également sur les interfaces web et mobiles, notamment avec Next.js et Flutter.
English
Fluent
French
Native or bilingual
Remote only
Primarily works remotely
Experience
- NIELSEN IQ,Senior Software developerE-COMMERCESeptember 2021 - Today (4 years and 9 months)Paris, France• Designed and maintained Go microservices in a distributed system processing several terabytes of global consumer data.• Refactored and optimized critical services (Go, Rust, Python) → significant improvements in processing time and memory footprint.• Implemented advanced observability with Datadog (logs, traces, metrics, alerting, SLO/SLA monitoring).• Maintained and modernized legacy codebases; authored functional and technical specifications.• Delivered software with hexagonal architecture and DDD principles.• Deployed and managed services with Kubernetes and CI/CD pipelines (Bitbucket).• Actively participated in developer recruitment and mentoring.• Agile/Scrum methodology, ticket and priority management.
- Abstrium SAS,Full-Stack DeveloperSOFTWARE PUBLISHINGJanuary 2015 - April 2021 (6 years and 3 months)Paris, France• Developed an on-premise open source solution for secure file storage.• Built and maintained a multi-server synchronization tool in Go and Python.• Implemented advanced file encryption and secure key management for sharing.• Monitored services with Prometheus and Grafana.• Developed native Android (Java) and iOS (Swift) mobile apps.• Wrote technical documentation and articles for the open source community.• Provided Level 2 and 3 client support, and coached junior developers.
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Education
- Master's degreeUniversité Paris-Est Créteil2014Master's degree
- Bachelor's degreeUniversité Paris-Est2012Bachelor's degree