
Arman Shanto
Backend Developer with 5 years of Experience
Skills

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Portfolio
Werkervaring
Backend Developer
Cellbunq • Fulltime
Oct 2024 - Present • 1 yr 11 mos
Develop and maintain backend systems and REST APIs using Python, Django, and Django REST Framework. Work on fintech and RegTech solutions involving KYC/KYB onboarding, AML screening, risk assessment, payment integrations, webhooks, and third-party API integrations. Responsibilities include designing and developing APIs, database management with MySQL, asynchronous task processing with Celery and Redis, integrating external services, debugging production issues, and improving backend system reliability and performance.
Software Engineer II
United Commercial Bank PLC • Fulltime
Oct 2023 - Oct 2023 • 0 mos
Built and maintained backend systems for financial transactions, supporting over 1 million daily operations while cutting processing time by 40%. Worked on authentication and authorization using Django SimpleJWT, and designed PostgreSQL and Cassandra schemas for high-availability, fault-tolerant systems. Integrated Kafka for event-driven messaging between services, and improved application performance by 30% through caching with Redis and Memcached along with query optimization. Also worked with Docker for microservices architecture and Celery for background task processing.
Software Engineer I
Evaly • Fulltime
Dec 2020 - Sep 2022 • 1 yr 9 mos
Built data-driven modules for Evaly eFood, serving over 4 million users. Developed backend APIs using Django and Django REST Framework, and contributed to full-stack features alongside a React frontend team. Implemented geospatial features using PostgreSQL with the Sanic framework and integrated third-party APIs for payments, logistics, and catalog systems. Built an Elasticsearch-powered search system to improve product discoverability and containerized backend services using Docker and Docker Compose.