MARCO BELLINI Chicago, IL · marco.bellini@email.com · (555) 010-2302 · linkedin.com/in/marcobellini SUMMARY Backend developer owning services in production. Designs APIs other teams can integrate against, handles the failure cases, and carries the pager for what he ships. SKILLS Java / Python · REST & gRPC APIs · Relational databases (PostgreSQL) · Caching (Redis) · Message queues (Kafka) · Cloud platforms (AWS) · CI/CD pipelines · Observability EXPERIENCE Backend Developer · Lakeshore Logistics · 2022-Present • Built a Kafka consumer for shipment events with idempotency and replay; removed a class of duplicate-order bugs. • Split a monolith module into a gRPC service; reduced p95 checkout latency from 480ms to 210ms. • Added Redis caching to a hot pricing path; cut database read load 34% at peak. • On-call for order services; cut mean time-to-mitigate from 40m to 11m with better runbooks and dashboards. • Added contract tests to service boundaries; caught breaking changes before staging. • Key project — gRPC service template: published a starter with health checks, tracing, and contract tests other teams reused. Junior Backend Developer · Lonestar Retail Tech · 2021-2022 • Migrated legacy endpoints to a typed client; reduced null-related production errors. • Added integration tests to an untested service module. • Tuned slow queries with indexes and rewrites. • Added structured logging to aid production triage. • Documented setup and failure modes for onboarding. • Key project — Job queue with retries: built a queue with dead-letter handling and documented backoff behavior. EDUCATION BS Computer Science · Great Lakes Institute · 2021