Back End Developer Resume
omar.haddad@email.com · 312-555-0134 · Chicago, IL
Professional Summary
Back-end developer with 6 years designing APIs, data models, and reliable services. Focused on performance, observability, and clean service boundaries.
Experience
Back-End Developer · Midwest Cloud Co.
2021–Present
- Owned Node.js and Go services handling 15M+ API requests daily at 99.95% uptime.
- Designed Postgres schemas and caching that cut p95 latency by 32% on search endpoints.
- Introduced OpenTelemetry tracing used across 8 services for faster incident debug.
Software Engineer · Loop Data Systems
2018–2021
- Built REST and gRPC services for billing and usage metering.
- Migrated batch jobs to queued workers; reduced overnight failures by 45%.
- Wrote runbooks and on-call playbooks for the payments domain.
Junior Back-End Developer · Windy City Tech
2016–2018
- Implemented CRUD APIs in Python/Django for internal admin tools.
- Added database indexes that improved report generation from minutes to seconds.
- Participated in agile ceremonies and estimated tickets with the team.
Skills
Node.js, Go, Python, PostgreSQL, Redis, gRPC, Docker, AWS, Kafka, Observability
Education
B.S. in Computer Science — University of Illinois Urbana-Champaign
Projects
Rate-Limiting Gateway — Open-sourced a Redis-backed rate limiter middleware used in two personal SaaS pilots.
Certifications
AWS Certified Developer – Associate