Your Name
Backend Developer
City, Country · email@example.com · linkedin.com/in/yourname · yourportfolio.com
Professional summary
Backend Developer with 5 years designing APIs, data models, and event-driven services for logistics and B2B SaaS platforms. Scaled a shipment-tracking backend from 2K to 15K requests per second, cut monthly database costs by 28%, and introduced observability that halved incident resolution time. Comfortable across PostgreSQL, Kafka, Redis, Docker, and AWS.
Skills
REST APIs · System design · SQL · NoSQL · Authentication · Caching · Message queues · Docker · CI/CD · Monitoring · Git · Cloud services
Experience
Senior Backend Developer — Company Name
2021 – Present
- Designed a shipment-tracking API that scaled from 2K to 15K requests per second using read replicas, Redis caching, and horizontal autoscaling.
- Cut monthly database spend by 28% by archiving 400 GB of cold data to S3 and adding composite indexes to the 10 slowest queries.
- Moved order notifications to an event-driven flow on Kafka, dropping webhook delivery failures from 4% to under 0.5%.
- Introduced structured logging, OpenTelemetry tracing, and Grafana dashboards, halving mean time to resolve incidents from 90 to 45 minutes.
- Hardened authentication with OAuth 2.0, secrets rotation, and per-tenant rate limits, passing a SOC 2 Type II audit with zero backend findings.
Projects
Food Delivery Order Service | Python, FastAPI, PostgreSQL, Redis, RabbitMQ
- Modeled orders, restaurants, and riders in PostgreSQL with transactions that prevent double-assigning a delivery.
- Processed order status updates asynchronously through RabbitMQ workers with retries and a dead-letter queue.
- Load-tested with k6 at 1,000 concurrent users and kept p95 latency under 200 ms using Redis caching.