
Md Moznu
Multi Tenant SaaS Developer Django REST API and AWS Deployment
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Django developer
CashSheet LLC • Freelance
Jul 2025 - Present • 10 mos
Working as a solo freelance software developer building and maintaining CashSheet, a registered LLC product focused on accounting and financial infrastructure for modern businesses. • Independently developing a multi-tenant, double-entry accounting platform • Owning the full lifecycle: system design, backend development, database modeling, deployment, and maintenance • Built core accounting features including: • Ledger & journal management • Transaction processing • Multi-organization setup with role-based access control • Integrated Wagtail CMS for flexible content management and admin-level configuration • Implemented Stripe billing at two levels: • Platform billing (subscriptions, plans, payments for CashSheet) • Tenant-level billing, enabling individual tenants to manage and charge their own customers • Designed billing flows to support SaaS use cases such as subscriptions, usage-based expansion, and future add-ons • Built backend services using Python & Django, following clean architecture and scalable patterns • Set up and managed production infrastructure using Docker, AWS, and CI/CD pipelines Tech Stack: Python, Django, Wagtail, PostgreSQL, Stripe, Docker, AWS (EC2, RDS, S3), REST APIs, CI/CD
NexBell Inc
Fulltime • 1 yr 8 mos
Associate Software Developer
Apr 2025 - Nov 2025 • 7 mos
At Nexbell Inc., I’ve taken a proactive role in both technical execution and team collaboration, contributing to successful project delivery and improved development processes. My responsibilities and achievements include: - Led and supported the intern development team, ensuring task clarity, providing ongoing mentorship, and keeping progress aligned with sprint goals. - Introduced and implemented REST APIs within the existing Model-View-Template (MVT) architecture, enhancing system interoperability and modernising legacy workflows. - Refactored critical portions of a legacy codebase, resulting in improved performance, maintainability, and scalability across multiple services. - Facilitated effective communication among cross-functional team members, aligning development tasks with broader project goals. Maintained and streamlined project management tools (JIRA, Slack) to ensure up-to-date task tracking and team coordination. - Regularly collected progress updates from the development team and provided consolidated reports to team leads and stakeholders. - Conducted code reviews and reinforced high standards for code quality, documentation, and engineering practices. - Assisted in sprint planning and task allocation, playing a key role in the timely and successful delivery of project milestones. - Contributed to internal documentation and process improvements, promoting a knowledge-sharing culture and development efficiency.
Junior Software Developer
Mar 2024 - Apr 2025 • 1 yr 1 mo
Built a digital product selling platform integrating various third party services. Optimised the application for seamless user experience. Fixed bug and tested the application. Within a very short time organised the codebase and prepared for redeployment.
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Fast, friendly, reliable and Effective!
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overseer1
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Fast end Efficient……Thanks!
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