01
High-concurrency services
Non-blocking I/O and goroutine-based services with backpressure, so overload slows things down instead of knocking them over.
Principal / Lead
Hire senior backend scaling and concurrency architects
Backend architects who find where a system breaks under load — connection pools, locks, hot keys, chatty services — and fix it in order of impact, with load tests to show the new limits.
Role profile
What we look for in a Senior Backend Scaling 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
Database scaling
PgBouncer pooling, read replicas and — when nothing else will do — horizontal sharding with tools such as Citus or Vitess.
03
Caching tiers
Redis caching in front of hot reads, with invalidation and hit rates tracked so the cache keeps earning its place.
Typical work
What a Senior Backend Scaling 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.
- 01Capacity plans with throughput and latency targets set from load tests
- 02Read replicas and caching to relieve an overloaded primary database
- 03Circuit breakers and rate limiters that stop cascading failures
- 04k6 load-testing suites that run before major releases
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.
- Go
- Rust
- FastAPI
- PostgreSQL
- Redis
- Kafka
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 Backend Scaling Architect
Answered the way we would on a call. If yours isn’t here, send it — we reply within one business day.
Load tests with k6 against a production-like environment, combined with distributed tracing and database metrics, to see exactly where latency climbs — lock contention, pool exhaustion or a slow dependency.
A common culprit is database connection exhaustion: serverless functions or autoscaled containers each opening their own connections until the database refuses more. A connection pooler in front of the database fixes it.
Related roles
Similar and adjacent roles
Add a Senior Backend Scaling 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.