# Market evidence report — database-developer

Source: **56 real job ads** (JSearch API, countries: us 48, gb 8), extracted into the MSSQL evidence store; as of 2026-07-11.
This report contains extracted, aggregated facts only — no ad text is
reproduced (copyright / platform terms).

## Seniority distribution

| Seniority | Ads | Share |
|---|---|---|
| mid | 39 | 70 % |
| senior | 9 | 16 % |
| lead | 4 | 7 % |
| junior | 3 | 5 % |
| n/a | 1 | 2 % |

## Tools — full market ranking

| # | Item | Ads | Share |
|---|---|---|---|
| 1 | Oracle database | 12 | 21 % |
| 2 | PostgreSQL | 10 | 18 % |
| 3 | Git | 9 | 16 % |
| 4 | Microsoft SQL Server | 9 | 16 % |
| 5 | Oracle | 8 | 14 % |
| 6 | AWS | 7 | 12 % |
| 7 | SQL Server | 7 | 12 % |
| 8 | ESRI ArcGIS Pro | 4 | 7 % |
| 9 | ESRI ArcGIS Server | 4 | 7 % |
| 10 | MongoDB | 4 | 7 % |
| 11 | Python | 4 | 7 % |
| 12 | Ansible | 3 | 5 % |
| 13 | DynamoDB | 3 | 5 % |
| 14 | Esri products | 3 | 5 % |
| 15 | ESRI SDE | 3 | 5 % |
| 16 | MySQL | 3 | 5 % |
| 17 | PL/SQL | 3 | 5 % |
| 18 | SSIS | 3 | 5 % |
| 19 | TOAD | 3 | 5 % |

## Hard skills — full market ranking

| # | Item | Ads | Share |
|---|---|---|---|
| 1 | data modeling | 30 | 54 % |
| 2 | database design | 26 | 46 % |
| 3 | performance tuning | 16 | 29 % |
| 4 | database administration | 13 | 23 % |
| 5 | data migration | 11 | 20 % |
| 6 | data analysis | 9 | 16 % |
| 7 | data integration | 9 | 16 % |
| 8 | database development | 9 | 16 % |
| 9 | query optimization | 9 | 16 % |
| 10 | sql development | 8 | 14 % |
| 11 | disaster recovery | 6 | 11 % |
| 12 | etl development | 6 | 11 % |
| 13 | data management | 5 | 9 % |
| 14 | spatial queries | 5 | 9 % |
| 15 | troubleshooting | 5 | 9 % |
| 16 | data transformation | 4 | 7 % |
| 17 | data validation | 4 | 7 % |
| 18 | geometry objects | 4 | 7 % |
| 19 | performance optimization | 4 | 7 % |
| 20 | software development | 4 | 7 % |
| 21 | application upgrades | 3 | 5 % |
| 22 | backup and recovery | 3 | 5 % |
| 23 | data engineering | 3 | 5 % |
| 24 | database security | 3 | 5 % |
| 25 | it project management | 3 | 5 % |
| 26 | pl/sql development | 3 | 5 % |
| 27 | pl/sql programming | 3 | 5 % |
| 28 | project coordination | 3 | 5 % |
| 29 | relational database architecture | 3 | 5 % |
| 30 | schema design | 3 | 5 % |
| 31 | sql | 3 | 5 % |
| 32 | sql coding | 3 | 5 % |
| 33 | sql optimization | 3 | 5 % |
| 34 | sql query development | 3 | 5 % |
| 35 | sql query optimization | 3 | 5 % |
| 36 | sql query tuning | 3 | 5 % |
| 37 | systems administration | 3 | 5 % |

## Methods — full market ranking

| # | Item | Ads | Share |
|---|---|---|---|
| 1 | Agile/Scrum | 4 | 7 % |
| 2 | entity relationship diagrams | 4 | 7 % |
| 3 | automation | 3 | 5 % |

## Responsibilities — full market ranking

| # | Item | Ads | Share |
|---|---|---|---|
| 1 | database maintenance | 9 | 16 % |
| 2 | data migration | 8 | 14 % |
| 3 | system maintenance | 8 | 14 % |
| 4 | database development | 4 | 7 % |
| 5 | technical documentation | 4 | 7 % |
| 6 | application upgrades | 3 | 5 % |
| 7 | code review | 3 | 5 % |
| 8 | data visualization | 3 | 5 % |
| 9 | database administration | 3 | 5 % |
| 10 | database enhancement | 3 | 5 % |
| 11 | database management | 3 | 5 % |
| 12 | database management system installation | 3 | 5 % |
| 13 | issue resolution | 3 | 5 % |
| 14 | performance optimization | 3 | 5 % |
| 15 | problem troubleshooting | 3 | 5 % |
| 16 | project coordination | 3 | 5 % |
| 17 | sql query development | 3 | 5 % |
| 18 | sql query writing | 3 | 5 % |
| 19 | technical guidance | 3 | 5 % |
| 20 | troubleshooting | 3 | 5 % |

## Regional breakdown

> **Corpus note:** 56 relevant ads in total — below the 100-ad target for a fully reliable ranking. Percentages above should be read as indicative.

### US (us)

48 ads.

**Top hard skills:**

- data modeling — 54 % (26 ads)
- database design — 44 % (21 ads)
- performance tuning — 27 % (13 ads)
- database administration — 25 % (12 ads)
- data migration — 21 % (10 ads)
- data analysis — 19 % (9 ads)
- database development — 19 % (9 ads)
- data integration — 12 % (6 ads)
- disaster recovery — 12 % (6 ads)
- query optimization — 12 % (6 ads)

**Top tools:**

- Oracle database — 25 % (12 ads)
- Git — 19 % (9 ads)
- PostgreSQL — 17 % (8 ads)
- Oracle — 15 % (7 ads)
- SQL Server — 15 % (7 ads)
- AWS — 12 % (6 ads)
- Microsoft SQL Server — 12 % (6 ads)
- ESRI ArcGIS Pro — 8 % (4 ads)
- ESRI ArcGIS Server — 8 % (4 ads)
- Ansible — 6 % (3 ads)

**Seniority:** mid 73 % · senior 12 % · junior 6 % · lead 6 % · n/a 2 %

### UK (gb)

**Insufficient evidence** — 8 ads (minimum for a regional ranking: 30). No ranking is reported for this region.

### EU/DACH (de, at, ch, nl)

**Insufficient evidence** — 0 ads (minimum for a regional ranking: 30). No ranking is reported for this region.


## Job title variants in the market

| Title | Ads |
|---|---|
| Database Developer | 10 |
| Database Developer Jobs | 3 |
| Senior Database Developer | 3 |
| Database Engineer | 2 |
| .Net Database Developer with GIS | 1 |
| 6+ yrs Oracle Database Developer with GIS - Onsite-Inperson interview | 1 |
| Database and BI Developer II | 1 |
| Database Developer - TS/SCI with Polygraph | 1 |
| Database Developer (w/ GIS Experience) | 1 |
| Database Developer / Administrator | 1 |
| Database Developer + GIS | 1 |
| Database Developer II | 1 |
| Database developer Remote /12 Months 34 | 1 |
| Database Developer with GIS Experience | 1 |
| Database Developer/Administrator | 1 |
| Database Developer/Architect | 1 |
| Database Developer/Engineer | 1 |
| Database Engineer -- 100% Remote Role | 1 |
| Database Engineer / Developer III | 1 |
| Database Engineer Advisor | 1 |
| Database Engineer Advisor with TS/SCI | 1 |
| Database Engineer, Junior | 1 |
| Database Engineer/ Developer III | 1 |
| Database Specialist | 1 |
| Database Specialist II, ETL Developers | 1 |

Methodology: entities extracted per ad ({hard_skills, tools, methods, responsibilities, seniority}), normalized, counted as DISTINCT ads per entity; report threshold ≥ 3 ads. Headline sections in skills.md/tools.md use the stricter ≥ 20 % threshold.