Junior
Backend Developer template
MARCO BELLINI
Backend Developer · Junior
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.
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.
Skills
Java / Python · REST & gRPC APIs · Relational databases (PostgreSQL) · Caching (Redis) · Message queues (Kafka) · Cloud platforms (AWS) · CI/CD pipelines · Observability
Education
BS Computer Science · Great Lakes Institute · 2021