Nov 2022 – Jul 2024 · 1 yr 8 mos · Singapore · On-site

• Contributed to NinjaVan’s notification platform, processing 50M+ events/day
• across 6 countries with high reliability and low latency.
• Developed the C2C parcel-shipping product from scratch
• (delivery.ninjavan.co/c2c), creating a new revenue stream and supporting
• thousands of daily orders.
• Led an investigation with Product and Accounting teams, uncovering $100K+
• USD in misbooked liabilities caused by duplicate notifications, preventing
• future financial leakage.
• Integrated Stripe within the payments service, enabling seamless card
• payments and improving checkout success rates.
• Delivered performance optimizations and new features for notification and
• consignee systems, improving throughput and user experience.
• Tech Stack: Java, Spring Boot, Go, SQL, Kafka, Grafana, Redis.

Aug 2019 – Oct 2022 · 3 yrs 2 mos

• Designed and built the Carpool Delivery vertical from scratch, enabling
• cost-efficient logistics operations.
• Integrated major third-party payment gateways (Mpesa, Razorpay, JCC,
• Paystack), improving global payment coverage.
• Built high-impact ride features including surge pricing, cancellation charges,
• driver incentives, wallet-based settlements, and preference-based ride
• matching.
• Developed large-scale web crawlers capable of bypassing bot detection for
• competitive intelligence and data aggregation.
• Tech Stack: Node.js, Java, Spring Boot, SQL, Redis.