Aman Shevkar

Cost Optimisation (Project) -

• EC2 Instance type downgrade, heap memory and cpu memory optimisation, autoscaling of pods via cron expression, code cleanups and service deprecation.
• Tech stack: Java, AWS EC2, GRPC to REST, Kibana, Grafana, Jenkins, CICD

Scan and Pay Optimization (Project) -

• Reduced latency from 30 ms to 2-5 ms of cashier page rendering via parallel task execution and improving qr fetching mechanism.
• Tech stack: Java (Executable), Spring FrameWork, Redis, Grafana, Multithreading, Jenkins, CICD

Contribution as a senior software engineer apart from projects.

• Mentored junior developers, improving their technical skills and fostering collaborative work environment.
• Led code reviews ensuring adherence to best practices, ultimately reducing bugs before deployment.

PG2 Movement (Project) -

• Contribution in movement of payment gateway from Alipay framework to AWS to make it more refine, secure and cost optimized.
• GRPC Calls in Adapter Layers paired with java 11 to act as bridge between existing Merchant facing services and core txn processing services.
• Tech Stack : Java 8 and 11 ,Spring Framework, FF4J, GRPC, AWS Cloud, Redis, Grafana, Kibana, CICD, ArgoCD, Mockito, JUnit, Adapter Design Pattern.

UPI Lite and Lopper RMI Callback (Project) -

• Contribution in building upi lite feature from business service perspective at backend.
• Implementation of Looping mechanism to support Sync and Async calls with help of RMI callback to improve transaction status fetching logic across systems.
• Tech Stack : Java 8 , RMI, Spring Framework, Redis, Grafana, Kafka, Kibana, Mockito, JUnit, Html, CSS, FF4J.