Database Developer CV example
Show schema design, query performance, and data reliability you delivered.
Sample professional summary
“Database developer who redesigned schemas and queries, cutting report time from 90s to 3s across 2TB.”
Key skills recruiters look for
- SQL
- PostgreSQL
- Stored procedures
- Indexing
- ETL
- Query optimization
How to write strong bullet points
- Quantify query speed and data scale.
- Show schema and indexing decisions.
- Highlight reliability and data integrity.
Database Developer career path & typical salary
How the role typically progresses, with the kind of responsibilities and approximate US base-salary range at each stage.
0–2 yrs
Writes queries and procedures to spec; learns schema and tuning basics.
2–5 yrs
Owns schema design, queries and ETL with performance discipline.
5–8 yrs
Leads data modeling and optimization standards; mentors.
8+ yrs
Owns data architecture and standards across systems.
10+ yrs
Leads a data team's roadmap and delivery.
Salary figures are approximate US market estimates for general guidance only. Actual pay varies widely by location, industry, employer, education and negotiation.
Common Database Developer interview questions
Practice structured answers (situation, action, measurable result) — the same achievements belong on your CV.
- Walk me through optimizing a query that's slow at scale.
- How do you design a schema for both writes and reporting?
- When do you denormalize, and what are the risks?
- How do you index without hurting write performance?
- How do you do a safe schema change on a huge live table?
- How do you ensure data integrity across an ETL pipeline?
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