Resume - Muhammadali Yuldoshev

42.uz | DevOps

42.uz | System Design

Backend architecture, database design, scalability basics, data consistency, indexing, sharding, replication,
caching, load balancing and event-driven systems.

Open Web Academy | Back-end development

Software Engineer

- Designed and built scalable, multi-tenant backend architecture for a B2B financial accounting SaaS platform using NestJS, TypeScript, and PostgreSQL (Prisma ORM).
- Developed AI-driven accounting ledger workflows and dynamic multi-stage LLM orchestration pipelines (integrating models for structured data extraction and verification).
- Built Telegram Mini-App and bot integration backends for automated debt agreement formalization and real-time transactional syncing.
- ​Implemented fine-grained Role-Based Access Control (RBAC), multi-tier subscription billing systems, and secure API layers.

Back-End Engineer

- Developed a Content Journey Map (CJM) system that controlled user progression through educational content.
- Implemented learning progression rules requiring lesson completion, assignment submission and reward collection before unlocking subsequent lessons.
- Designed and developed a reward engine supporting multiple reward types including promo codes, bonus content and premium course access.
- Built automated content unlocking workflows based on user achievements and collected rewards.
- Developed social networking features including post creation, feed generation and user activity distribution.
- Implemented event-driven notification systems for profile updates, portfolio activities, profile views and employment milestones.
- Optimized backend services and database operations, improving overall platform performance by approximately 2x.

Back-End Engineer

- Worked as a Node.js backend engineer on real production products, mainly focused on mobile app and web backends.
- Designed and implemented backend architectures using Node.js, TypeScript, NestJS, PostgreSQL (Prisma).
- Built and maintained REST APIs with clear structure and predictable behavior.
- Worked with PostgreSQL, using Prisma for data modeling, migrations, and queries.
- Implemented complex business logic including order flows, rental systems, tariffs, reservations, and ERP-related features.
- Took responsibility for backend technical decisions, architecture structure, and optimization of existing solutions.
- Improved system performance and stability by refactoring and optimizing backend logic.
- In some projects, worked as the only backend developer, handling the backend end-to-end.
- Collaborated with frontend and mobile developers, aligning API contracts and product requirements.
- Worked in a production environment with real users and real data.

Intern Back-End developer

- Maintained and extended existing backend services.
- Integrated third-party APIs and internal tools

Intern back-end developer

- Developed and deployed a food delivery Telegram bot for a restaurant.
- Improved backend stability and fixed production bugs.