
Allan S.
About Me
Senior Backend Engineer with strong experience architecting and scaling high-availability microservices, event-driven systems, and distributed backend platforms across healthcare, finance, and Al-driven environments. Skilled in building resilient APIs and backend services using Node.js, Ruby on Rails, and Python, supported by PostgreSQL, Redis, and cloud-native architectures deployed on Kubernetes. Brings hands-on expertise integrating LLM-powered automation, Al-driven workflows, and RAG pipelines using Python, LangChain, LlamaIndex, vector databases, and modern model-evaluation tooling. Proven success delivering secure, HIPAA-aligned backend capabilities for virtual healthcare, video consultations, and real-time communication, while improving system throughput, latency, observability, and release reliability. Strong foundation in CI/CD, automated testing, and scalable distributed systems- consistently driving higher performance, reduced incidents, and intelligent automation across platforms.