01
Query plans and indexing
Reading EXPLAIN (ANALYZE, BUFFERS) output, choosing composite and partial indexes, and showing the plan before and after.
Senior / Staff
Hire senior PostgreSQL database architects and DBAs
PostgreSQL specialists who find slow queries with EXPLAIN ANALYZE, fix them with the right index or rewrite, and keep vacuum, pooling and migrations healthy as tables grow.
Role profile
What we look for in a Senior PostgreSQL Database Architect
Seniority and experience are agreed in the proposal, and you interview every engineer before they start. These are the skills that interview should test.
02
Connection pooling
Transaction-mode PgBouncer or RDS Proxy, so serverless functions and autoscaled containers don't exhaust connections.
03
Vacuum and bloat
Autovacuum tuned per table, bloat measured and removed, and transaction ID wraparound kept far away.
Typical work
What a Senior PostgreSQL Database Architect typically works on
Examples of the scope this role is hired for. Your statement of work sets the actual deliverables and how they are accepted.
- 01Slow dashboard queries diagnosed and fixed, with plans before and after
- 02Moving live databases with Debezium change data capture
- 03Row-level security policies for multi-tenant SaaS
- 04pgvector index tuning for semantic search
Stack and tools
What this role works with day to day. Tell us your stack and we’ll say plainly which parts we can staff.
- PostgreSQL 16+
- Aurora PostgreSQL
- pgvector
- PgBouncer
- Debezium
- WAL-G
Technology guides
Related service
Custom software developmentA system built around your workflow, shipped in weekly increments — not a rewrite that lands a year late.
How hiring works
Four steps, agreed in writing before anyone starts
01
Tell us the role
The stack, the seniority you need, the hours you want covered, and any certifications the work requires. We reply within one business day.
02
We propose engineers
A written proposal sets out who we'd put forward, their seniority and experience, the scope, and the terms. If we can't staff the role well, we say so.
03
You interview every engineer
Nobody starts on your codebase until you've interviewed them and agreed. Use the skills on the role page as your interview checklist.
04
Working arrangements go in the SOW
Working-hours overlap is agreed for each engagement and written into the statement of work — the shared window, who shifts hours, and how handoffs work outside it.
QuantmHill provides development teams from India for Indian startups and SMEs. Role profiles describe project capabilities; availability is confirmed for your engagement. Our team works on India Standard Time. Project working hours, availability and handoff responsibilities are agreed before kickoff.
Need specific certifications? Tell us at the start and we'll confirm whether we can staff to that requirement before you sign. There are no recruiting fees.
FAQ
Questions about hiring a Senior PostgreSQL Database Architect
Answered the way we would on a call. If yours isn’t here, send it — we reply within one business day.
Often, yes. Targeted indexes, configuration changes and better statistics can make a large difference without touching the application. When the query itself is the problem, we show you the plan and the rewrite.
With logical replication to an instance on the new version, verification while both run, and a short, rehearsed cutover window agreed with you in advance. Reverse replication stays available as a rollback path.
Related roles
Similar and adjacent roles
Add a Senior PostgreSQL Database Architect to your team
Tell us the stack, the seniority you need and the hours you want covered. We reply within one business day, and you interview every engineer before they start.