Professional Experience

• Senior Software Engineer, InstantFunding
  London, United Kingdom
  ^{Jul 2026 – Present}
  • Migrated the codebase from GitLab to GitHub and moved services from AWS to a private Hetzner cluster, cutting infrastructure cost over 50% in a distributed environment.
  • Led cross-team planning sessions and established code-review practices, reducing sprint friction.

• Software Engineer III (Backend), Pathao Inc.
  Dhaka, Bangladesh
  ^{Jan 2025 – Jun 2026}
  • Led the rearchitecture of Sancus, Pathao’s loyalty service, increasing active users availing benefits from 4% to 21%.
  • Owned the CNG vehicle onboarding feature on the driver-service platform, including time-slotted kit installation scheduling and a resource-sharing system.
  • Established code-review structure and mentored junior engineers.
  • Technology Stack: Go, PHP, Redis, Docker, Kubernetes, RabbitMQ, PostgreSQL, MySQL, GCP.

• Software Engineering Consultant (Founding Team / Contract), Oak Networks (formerly Creative Crowdfunding Protocol)
  Remote
  ^{Jan 2024 – Sep 2025}
  • Refactored the payment processing framework using Chain of Responsibility and Strategy patterns, supporting 5+ payment providers across 16 operation domains.
  • Designed a multi-tenant subscription management microservice powering recurring billing with automated renewals.
  • Built a CI/CD pipeline with GitHub Actions, Docker, and Kubernetes, deploying to Amazon EKS with zero downtime.
  • Technology Stack: Node.js, Go, Docker, RabbitMQ, PostgreSQL, AWS, Sentry.

• Software Engineer II (Backend), Pathao Inc.
  Dhaka, Bangladesh
  ^{Jan 2023 – Dec 2024}
  • Designed the core-subscription system Levy, serving BNPL (Buy Now Pay Later) and Driver-Subscription products.
  • Redesigned Driver-Subscription, enabling 13% more bike riders onto the platform.
  • Redesigned the core cohorting service, reducing latency from 900ms to 50ms.
  • Technology Stack: Go, Redis, Docker, Kubernetes, RabbitMQ, PostgreSQL, MySQL, GCP.

• Software Engineer I (Backend), Pathao Inc.
  Dhaka, Bangladesh
  ^{Oct 2020 – Dec 2022}
  • Restructured Sancus by introducing RDBMS and Google Pub/Sub, a ~50% performance improvement for 5M+ users.
  • Migrated an existing Python-based system to a Go microservice with zero downtime.
  • Implemented CI/CD with GitLab CI for the loyalty service.
  • Technology Stack: Python, Go, Docker, gRPC, MongoDB.

• Jr. Software and Application Engineer (AI/ML), Teleaus
  Australia (Remote)
  ^{Sep 2020 – Oct 2020}
  • Developed and integrated an automated paraphrasing tool using Google Pegasus for an AI-powered customer support chatbot.
  • Integrated spell-checking and speech-to-text modules for the chatbot.
  • Technology Stack: Python, Django, Laravel, Vue.js, TensorFlow.