Backend Engineer

Backend Engineer (Billing System)

• Integrated multiple payment gateways with automated fallback mechanisms to handle failures and optimize for lower transaction fees. Achieved 94.13% payment processing availability with a 20% reduction in transaction costs.
• Automated 95% of payment processing tasks, reducing manual intervention to <5% by designing schedulers for automated recurring charges, payment reconciliation, and resource termination for expired subscriptions.
• Increased timely payment compliance by 30% through proactive notifications. Automated email notifications for plan expiration, usage limits, and invoice generation, improving customer engagement.
• Reduced processing time for plan changes by 40%, ensuring seamless transitions. Implemented workflows to validate and process scheduled plan upgrades, downgrades, and cancellations.

Backend Engineer (SSE Server)

• Built an SSE service to send real-time deployment updates, logs, and metrics to clients while ensuring secure message filtering. Delivered updates with an average latency of <300ms to 95% of clients.
• Reduced network traffic by 40% and server load by 35% by implementing message batching and deduplication mechanisms to minimize redundant notifications.
• Improving client-side processing efficiency by 50%. Ensuring only relevant and prioritised messages reached clients by filtering out sensitive or low-priority data.
• Implemented reconnection strategies to maintain client sessions during disruptions and prevent duplicate notifications, ensuring 97.3% successful reconnections with no duplicate message issues.

Backend Engineer (CDN API Integration)

• Built a robust service to facilitate static site deployments, manage site configurations , and ensure seamless interactions with object storage. Achieved an average of 96.7% availability from over 500+ deployed static sites monthly.
• Reduced CDN cache miss rates by 40%, enhancing page load speeds for end-users by implementing advanced cache strategies to reduce redundant requests and improve content delivery efficiency.
• Integrated retry mechanisms for server-side errors and optimized asynchronous activities with concurrency patterns to ensure service reliability. Improved request handling throughput by 50%, reducing error rates to <3%.
• Delivered notifications with <500 ms latency for deployment events. Designed and Implemented communication with the Server-Sent Event (SSE) server to provide real-time deployment updates to clients.

Software Engineer

• Engineered the backend system that processed stablecoin (USDT) deposits on ETH, BSC, and TRC blockchains, enabling seamless conversion to local fiat currencies and direct payouts to customer bank accounts.
• Designed mechanisms to detect fraudulent or invalid cryptocurrency deposits using blockchain event monitoring. Prevented 99.9% of false deposit attempts, maintaining transaction integrity.
• Automated reconciliation workflows to identify and resolve partial or failed payouts, ensuring accurate customer settlements. Resolved 100% of reconciliation cases within 24 hours, reducing customer complaints by 30%.
• Achieved 97.68% fiat payment uptime, improving service reliability by adding support for multiple fiat payment providers with automated fallback to reduce payment downtime.
• Built a real-time pricing service to provide customers with up-to-date cryptocurrency-to-fiat exchange rates, delivering pricing updates with an average latency of <200ms.

Backend Engineer

• Designed and implemented efficient database schemas to ensure data accuracy, scalability, and secure storage of farmer, inventory, and transaction data. Improved query performance by 40%, enabling faster access to critical operational insights.
• Built APIs to support innovation in new product categories and services, expanding Winichfarms’ reach to previously underserved regions. Increased customer acquisition by 25% within fragmented communities.
• Integrated with lending institutions to provide credit and integrated insurance services for farmers through seamless API-driven solutions. Enabled access to credit and insurance for 85% of registered farmers, boosting financial security and resilience.

Backend Engineer

• Executed a zero-downtime data migration to distributed databases, ensuring 100% data integrity, by leveraging PostgreSQL logical replication and designing incremental data synchronization strategies.
• Strengthened system reliability by implementing distributed tracing, AMQP based messaging, and circuit breaker patterns, leading to a 65% reduction in unplanned downtime and a 40% faster incident resolution time.
• Accelerated API response times by 45% and boosted request throughput by 30% through Redis caching, optimized database queries, and asynchronous processing with worker queues.

Bachelor's Degree - Petroleum and Gas Engineering