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Vigyoscenter
Fintech backend handling accounts, transactions, and reconciliation, deployed on AWS behind CI/CD with zero-downtime releases.
99.95%
Uptime on the AWS infrastructure I designed
-30%
Deployment cost after right-sizing and CI/CD
~40%
Faster delivery once releases were automated
The problem
Money moving through a system means two things are not negotiable: the ledger has to agree with itself, and a deploy can never drop a request mid-flight.
What I built
- Account and transaction services with reconciliation running as its own job rather than inline with the request.
- Zero-downtime releases: new containers come up, health checks pass, then traffic shifts and the old ones drain.
- CI/CD that builds, tests, and ships on merge, which removed the manual release checklist entirely.
- Right-sized instances and tuned Nginx and MySQL, which is where most of the cost saving came from.
What it moved
- Infrastructure holds 99.95% uptime.
- Deployment cost fell roughly 30% with no loss of headroom.
- Delivery got about 40% faster, measured on how long a change takes to reach production.