Custom API and Backend Development
Does your project need a clean, user-friendly, maintainable, robust, and secure API? You've just found my specialty.
My API Development Services
There are generally two possible approaches for API development projects, and we'll need to decide between them from the very first meeting based on your needs.
- Either you're in a rush, and speed is your main criterion. In this case, I'll do everything possible to deliver as quickly as possible. In this situation, certain aspects will be compromised, particularly regression testing and design choices that will be less optimized for performance and scalability. However, there are certain points I never compromise on regardless, primarily security and data protection, as well as data reliability.
- Or you want high quality, without compromise. In this case, I'll deliver a top-tier API with all development best practices.
Illustration of database schemas.
🏗️ Architecture & Database
- Backend from scratch with clean code architecture
- PostgreSQL optimized for your needs
- Redis for caching and sessions
- CQRS and Event Sourcing when necessary
🔐 Security by Design
- Complete authentication system
- Granular role and permission management
- API keys for integrations
- Data encryption (transit + storage)
- Rate limiting and DDoS protection
- Secure multi-tenancy
Interactive API documentation for FixMyYoutubeLinks.com.
📡 Modern API and Documentation
- Classic REST or GraphQL based on your needs
- Documentation automatically generated from code (Swagger/OpenAPI)
- Auto-generated SDKs in TypeScript/JavaScript
- Direct integration with TanStack Query/React Query
- TypeScript types for perfect Developer Experience
(Your frontend team will love this).
⚡ Performance and Real-time
- WebSockets for live features
- Queuing with BullMQ for asynchronous tasks
- Smart caching with Redis
- SQL query optimizations
🔗 Integrations and Deployment
- API connections with your third-party tools
- No vendor lock-in - Hostable anywhere
- Compatible with cloud, self-hosting, on-premise
- Comprehensive automated testing
Reference Tech Stack
- TypeScript + NestJS
- PostgreSQL + Prisma or TypeORM
- Redis + BullMQ
My Latest B2B SaaS
Context: Affiliate link analysis platform for YouTube content creators. FixMyYoutubeLinks.com
Accomplished:
- Secure multi-tenant authentication
- REST API
- Asynchronous flows with BullMQ for managing scraping and data ingestion tasks
- YouTube API integration
- Auto-generated TypeScript SDK
- Performance: 250,000 links analyzed daily
Illustration of the asynchronous event dashboard managed by BullMQ. You can see several hundred thousand events successfully processed within a few hours.
Development Process
- Analysis - Audit of your needs and technical constraints
- Architecture - API design and technology choices
- Development - Iterative with regular demos
- Testing - Automated (unit + integration)
- Documentation - SDK and guides for your teams
- Deployment - Secure production rollout
- Maintenance - Post-launch technical support
Ready to Build Your Custom API?
Whether you're starting from scratch or looking to migrate from an existing solution, I'll guide you in creating the API that will power your business forward.