Gad O

Python Backend Developer

Safaricom PLC • Vollzeit

Sep 2023 - Apr 2026 • 2 yrs 7 mos

Served as a Python Backend Developer at Safaricom for two years, designing and deploying scalable backend systems for Kenya's leading telecommunications infrastructure. Key responsibilities included: • Developed high-performance RESTful APIs using Django and FastAPI to support mobile money transactions and real-time data processing for millions of users. • Optimized database queries and implemented Redis caching strategies, reducing latency by 40% and improving system throughput during peak traffic. • Collaborated with cross-functional teams to integrate third-party payment gateways and SMS services, ensuring 99.9% uptime and security compliance. • Containerized applications using Docker and orchestrated deployments via Kubernetes on AWS/Azure cloud environments. • Automated CI/CD pipelines using Jenkins and GitLab CI, accelerating release cycles by 60% while maintaining code quality through rigorous testing. • Conducted code reviews to uphold engineering best practices and security standards. Delivered critical features for M-Pesa integrations and customer management platforms, handling secure transactions and data analytics at scale. Proficient in Python, PostgreSQL, MongoDB, Kafka, and microservices architecture.