Payments & billing
Subscriptions, retries, reconciliation and the ledgers behind them — built to be audited.
About
Backend engineer with six years on high-traffic Laravel products. I own billing correctness and queue reliability, and I like the unglamorous work of making a flaky system boring again.
Lately that has meant payments infrastructure — retries, reconciliation and the reporting that finance actually reads.
Highlights
- 6+ Years shipping
- 40 Integrations live
- 54% Fewer failed settlements
- 3 Engineers mentored
Services
Queue & job reliability
Idempotent workers, dead-letter handling and dashboards that say what actually failed.
API design
Partner-facing APIs with contract tests, versioning and documentation people can follow.
Performance work
Finding the one query that costs four seconds, and the report that never needed it.
Experience
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Senior Backend Engineer
Acme Payments · Remote
- Rebuilt the retry pipeline and cut failed settlements by 54%.
- Moved reporting exports onto a queue, taking p95 request time from 4.2s to 180ms.
- Mentored three engineers through their first on-call rotation.
-
Backend Engineer
Corepoint Systems · Pune
- Built the partner reporting API used by 40 integrators.
- Introduced contract tests that caught every breaking change before release.
-
Junior Developer
Nimbus Labs · Pune
- Shipped the customer portal that replaced a spreadsheet workflow.
Education
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B.E. Computer Engineering
Savitribai Phule Pune University
Projects
Open source
Ledgerline
Double-entry bookkeeping library with property-based tests covering every posting rule.
Product
Settle
A payments dashboard for finance teams: reconciliation, disputes and payouts on one screen.
API
Northwind Partner API
The partner reporting API used by 40 integrators, with contract tests on every endpoint.
Testimonials
“Aarti rebuilt our settlement pipeline in a quarter and it has not paged anyone since. That is the whole review.”
“The rare engineer who writes the runbook before the incident. Our integrators noticed the difference within a month.”
“Clear, calm and honest about trade-offs. I would hire her again tomorrow.”
Clients
Let us work together
Have a payments problem, a queue that misbehaves, or a team that needs a steady pair of hands? I would love to hear about it.
Available from November