Md. Mahmudul Hasan Dip
Senior Software Engineer · Backend Systems · Platform Engineering
Summary
Senior software engineer with 8+ years designing and building production backend systems. Specialized in distributed systems, API design, and platform engineering — primarily in Go and Python. Experience in fintech and banking environments where correctness, reliability, and security are non-negotiable. Strong written communicator; published technical writing on backend engineering and systems architecture.
Experience
Lead Software Engineer
United Commercial Bank PLC- Lead a team of software developers in the end-to-end architectural design and production rollout of UCB One, establishing the core backend architecture for account/card management, utility bills, and MFS fund transfers.
- Directed the architecture of a highly secure polyglot CIAM engine (Auth, Registration) utilizing Golang for edge-facing authentication (Hardware-backed ECDSA/RSA Biometrics) and Python/Django for stateful orchestrations.
- Architected and engineered the UCB One Backend-Driven UI (BDUI) engine from scratch—the main backbone of the app—utilizing Semantic Version Routing and Redis SETNX distributed locking to prevent cache stampedes.
- Guided the engineering team in building secure transactional flows, notification systems, and beneficiary management, protecting critical pathways via strict anti-replay mechanisms and cryptographic device fingerprinting.
Senior Software Engineer
উপায় (UCB Fintech Company Limited)- Collaborated on the end-to-end solution design for Upay’s core ecosystem while leading a software development team, contributing heavily to the foundational architecture and mentoring engineers on distributed systems best practices.
- Played a key role in architecting the central internal transaction engine and led the backend integration for numerous complex third-party payment and bill services.
- Led the design and implementation of robust, dynamic charge and limit calculation engines, enabling highly flexible and scalable financial configurations.
- Contributed to orchestrating distributed financial workflows (Saga Pattern) with strict compensation mechanisms, and helped optimize PostgreSQL write performance under extreme load.
Software Engineer
Genex Infosys Limited- Architected and developed a full-scale HRMS using Laravel, streamlining employee management and automated payroll pipelines
- Engineered real-time, event-driven notification systems to improve internal communications and workflow approvals
- Designed bespoke internal business tools, significantly reducing manual operational overhead and accelerating administrative tasks
Software Engineer
Trimatric Architects & Engineers- Built custom internal management tools with Laravel, transitioning the firm from manual spreadsheets to a centralized digital platform
- Designed secure relational databases for internal tracking systems, ensuring data integrity and rapid query execution
- Integrated cross-departmental workflows into unified dashboards, providing real-time visibility into project and resource allocation
Software Engineer
Flick Max Ltd.- Developed dynamic web applications and scalable backend systems using Laravel MVC patterns
- Built administrative internal tools that digitized manual data entry and improved reporting accuracy
- Designed and optimized database schemas to support highly responsive, client-facing web portals
Skills
Languages
Frameworks
Databases
Infrastructure
Systems
Practices
Education
B.Sc. Computer Science & Engineering
United International UniversityFor the full picture, read the writing and architecture cases.