--- name: database-developer description: "Occupational skill for the role 'database developer' (also: data base developer, database design specialist, database development engineer, database coder, database programmer, data base developers). Use when the user asks for typical database developer work such as: typical database developer responsibilities" --- # Database Developer Database developers program, implement and coordinate changes to computer databases based on their expertise of database management systems. ## Core workflow ## How to use this skill - Read [references/profile.md](references/profile.md) for the occupation profile and scope. - Consult [references/tasks.md](references/tasks.md) for the full task and activity inventory. - Check [references/skills.md](references/skills.md) for essential vs. optional competences. - Check [references/tools.md](references/tools.md) for the software commonly used in this role. - See [references/ai-skills.md](references/ai-skills.md) — matched external AI agent skills (per-source attribution). ## Key competences (essential) - apply information security policies - balance database resources - collect customer feedback on applications - create data models - data extraction, transformation and loading tools - data quality assessment - data storage - database development tools - database management systems - estimate duration of work - identify customer requirements - interpret technical texts - perform backups - query languages - report analysis results ## Hot technologies - AJAX - Amazon DynamoDB - Amazon Elastic Compute Cloud EC2 - Amazon Redshift - Amazon Web Services AWS CloudFormation - Amazon Web Services AWS software - Ansible software - Apache Airflow - Apache Cassandra - Apache Hadoop ## Hot technologies Top tools from 56 gated job ads (see references/market.md, as of 2026-07-11): - Oracle database — 21 % - PostgreSQL — 18 % - Git — 16 % - Microsoft SQL Server — 16 % - Oracle — 14 % - AWS — 12 % - SQL Server — 12 % - ESRI ArcGIS Pro — 7 % - ESRI ArcGIS Server — 7 % - MongoDB — 7 % --- *Sources: ESCO v1.2.1 (http://data.europa.eu/esco/occupation/b11e1742-5e28-4270-b081-b0193d85ee7d), O*NET 30.3 (15-1242.00, manual nearest match). See manifest.json for licensing/attribution.*