PostgreSQL developers
Rates, hiring difficulty, a hiring guide and interview questions for a PostgreSQL developer: everything in one place.
Overview
PostgreSQL developers design schemas, write complex queries, optimize database performance, and manage the most advanced open-source relational database. They handle everything from initial schema design to production query optimization, replication setup, and capacity planning. PostgreSQL's extensibility (JSONB, full-text search, PostGIS, extensions) means these developers often replace multiple specialized databases with one.
Hiring PostgreSQL developers is competitive. The talent pool is large but so is demand, so senior people get snapped up quickly.
Retention: 65% of developers who use PostgreSQL want to keep using it, and 19% of those who do not use it yet want to start.
Open roles per 1,000 developers Full ranking →
US job postings (30 days) divided by developers who use each stack. Higher means harder to hire.
What a PostgreSQL developer costs
Contract and salary benchmarks for the US.
Contract rate
C2C or 1099, from W-2 hourly × 1.3–1.6 for tax, benefits and overhead.
W-2 equivalent
BLS median for US software developers ($135,980), adjusted +8% for PostgreSQL using Stack Overflow 2025 pay data (1,735 respondents).
Full-time contractor cost
Per year at 40 hours a week.
Agencies typically bill 2–3× W-2 pay. See what a full project costs, compare W-2, 1099 and C2C, or check rates by state.
How to hire a PostgreSQL developer
What good looks like, and what should worry you.
Typical projects
- Database schema design for new applications
- Query optimization and performance tuning
- Migration from MySQL, Oracle, or SQL Server to PostgreSQL
- Setting up replication, high availability, and backup strategies
- Advanced features: JSONB, full-text search, PostGIS, partitioning
Team setup
PostgreSQL expertise is often embedded within backend engineering roles rather than hired as a standalone position. For a new project, a backend developer with strong PostgreSQL skills is sufficient. For performance-critical applications or database migrations, a dedicated PostgreSQL DBA/developer is worth the investment. They can audit and optimize an existing database in 1-2 weeks, often delivering 10-100x query improvements. For teams without database expertise, even a short-term PostgreSQL contractor for schema review and optimization pays for itself quickly.
What to look for
- Can write and optimize complex queries: CTEs, window functions, lateral joins
- Understands indexing deeply: B-tree, GIN, GiST, BRIN — and when each is appropriate
- Experience with EXPLAIN ANALYZE and systematic query optimization
- Schema design skills: normalization decisions, partitioning strategies, constraint design
- Operational experience: replication (streaming, logical), backup/restore (pg_dump, pg_basebackup, WAL archiving)
Red flags
- Only knows basic SELECT/INSERT — PostgreSQL's power is in its advanced features
- No understanding of indexing beyond 'add an index on that column'
- Can't read an EXPLAIN ANALYZE plan
- Treats PostgreSQL like MySQL — different strengths, different optimization strategies
- No experience with migrations, versioning, or schema evolution in team environments
Interview questions
Questions that separate strong candidates from people who just list the keyword.
- You have a query that takes 30 seconds. Walk me through your optimization process from EXPLAIN to fix.
- When would you use a GIN index vs a B-tree index? Give me concrete examples.
- Design a schema for a multi-tenant SaaS application. How do you handle isolation and performance?
- Compare PostgreSQL's JSONB with a document database like MongoDB. When would you choose each?
- How do you handle zero-downtime schema migrations on a table with 100M rows?
Hiring trend
How often PostgreSQL appears in startup hiring posts over time.
Hacker News “Who’s Hiring” posts mentioning PostgreSQL, by year (2015–Feb 2025). Peak: 2017 with 1,200 posts. HN hiring overall has fallen since 2019, so compare stacks rather than reading absolute numbers. Its share of current US job postings changed +1% since April 2026.
Similar stacks
Related skills, with their rates and hiring difficulty.
Need PostgreSQL developers?
We take on contract PostgreSQL work, from one developer joining your team to building the whole product. Tell us what you need and we'll reply by email.
- MVPs and new products
- Developers for your existing team
- Rescuing stalled projects
- AI features
Questions
How much does a PostgreSQL developer cost?
Contract PostgreSQL developers typically bill $92–113/hr (C2C or 1099). The W-2 equivalent salary is about $146,500. Agencies usually charge 2–3× W-2 pay.
Is it hard to hire PostgreSQL developers?
PostgreSQL is rated High on our hiring difficulty index (52/100, #20 of 29), with about 12 open US roles for every 1,000 developers who use it.
Should I hire a full-time PostgreSQL developer or use a contractor?
If the work is ongoing and core to your product, hire. If you need to start quickly, cover a gap, or the role is hard to fill, a contractor or agency gets work moving while you search.