Mid-level software engineer
Three to six years of experience. Emphasizes shipped outcomes, measurable wins, and clean causal structure.
JANE DOE Senior Software Engineer · jane@doe.dev · linkedin.com/in/janedoe · San Francisco, CA SUMMARY Software engineer with 5 years of full-stack experience shipping customer-facing products at a fast-moving SaaS company. Led the migration of a 14M-row Postgres database with zero downtime and reduced average query time by 68%. Known for pairing well, writing clear docs, and mentoring junior engineers. EXPERIENCE Senior Software Engineer — Acme Inc. Jun 2023 – Present • Led a 6-person team through a migration of 14M records from MySQL to PostgreSQL, cutting average query time 68% and unblocking a 3-year product roadmap. • Shipped a TypeScript-first rewrite of the billing service, reducing webhook incident tickets by 74% in the first quarter after launch. • Partnered with product and design to ship the "Projects" feature adopted by 42% of paying customers within 60 days of release. Software Engineer — Acme Inc. Aug 2021 – Jun 2023 • Built internal dashboards used daily by the 12-person support team, reducing average ticket resolution time from 4.2 hours to 1.8 hours. • Wrote the company's first integration test suite for the payments service, catching 3 regressions before production in the first month. • Mentored 2 junior engineers through their first 6 months, both of whom were promoted within a year. Junior Software Engineer — Startup Co. Jul 2020 – Aug 2021 • Fixed 40+ bugs in the core React app during the company's Series A push, contributing to a user-reported bug decline of 32% quarter over quarter. EDUCATION B.S. Computer Science — University of California, Berkeley 2016 – 2020 SKILLS Languages: TypeScript, Python, Go, SQL Frameworks: React, Next.js, Node.js, FastAPI, PostgreSQL Tools: Docker, Kubernetes, GitHub Actions, Datadog, Sentry