The example in full
Daniel Okonkwo
Senior Software Engineer
Austin, United States · daniel.okonkwo@example.com · +1 (415) 555-0163 · github.com/example-daniel · linkedin.com/in/example-daniel
Summary
Senior software engineer with 8 years building service-oriented backends in Java and Python. Owns features end to end, from problem framing through deployment and on-call, and has cut latency and infrastructure cost on systems serving millions of requests a day. Mentors two to three engineers at a time.
Experience
Senior Software Engineer, Northwind Payments
04.2022 – Present
- Designed and developed service-oriented architecture for the payouts platform, replacing a monolith path that handled 4M requests a day; cut p95 latency from 840ms to 210ms.
- Owned delivery of merchant refunds end to end — problem framing, design review, rollout behind a feature flag, and the on-call runbook that followed it.
- Built the CI/CD pipeline in GitHub Actions that took the team from weekly releases to 12 deploys a day, with automated rollback on error-rate regression.
- Reduced AWS spend 31% ($18K/month) by right-sizing Kubernetes workloads and moving batch reconciliation to spot instances.
- Mentored three engineers through their first year; two were promoted to mid-level within 18 months.
- Led the incident review process for the payments group, taking repeat incidents from 9 a quarter to 2.
Software Engineer, Cedarline Logistics
06.2019 – 03.2022
- Built REST and gRPC services in Java (Spring Boot) for shipment tracking used by 40+ carrier integrations.
- Led the migration of 1.2M records from MySQL to PostgreSQL with zero downtime and no data loss, two days ahead of schedule.
- Added structured logging, metrics and tracing across six services, cutting median incident diagnosis from 45 minutes to 12.
- Collaborated with the security team to close 23 findings from an external penetration test, including an authentication bypass in the partner API.
Junior Software Engineer, Bellrock Systems
01.2018 – 05.2019
- Developed internal tooling in Python and React used daily by a 30-person operations team.
- Wrote the unit and integration test suite for the billing module, lifting coverage from 38% to 84%.
- Ran the fortnightly engineering brown-bag and onboarded two interns.
Education
- B.S. Computer Science, University of Texas at Austin — 08.2014 – 12.2017
Skills
Java · Python · TypeScript · Spring Boot · React · PostgreSQL · REST & gRPC APIs · Microservices · AWS · Kubernetes · Terraform · CI/CD (GitHub Actions) · Observability & monitoring · Application security · Agile / Scrum · Docker · Git · Linux
Certifications
- AWS Certified Solutions Architect – Associate, Amazon Web Services (05.2023)
