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I will build a secure API for your saas or startup
Derek Mwale
About this gig
I will build a secure, scalable, and production-ready API for your SaaS, startup, web application, or mobile app. I specialize in backend architecture, API security, authentication, authorization, and database design.
Your API can include:
*JWT authentication and secure user accounts
*Role-Based Access Control (RBAC)
*API keys, scopes, and key management
*Rate limiting and brute-force protection
*Granular permissions and protected endpoints
*Audit logs for security and user activity
*PostgreSQL/MySQL database architecture
*Input validation and secure error handling
*CORS and environment security
*Swagger/OpenAPI documentation
*Docker and production-ready configuration
I can work with Django, Django REST Framework, Node.js, Express, Laravel, or Rust, depending on your project requirements.
Whether you're launching an MVP or scaling an existing SaaS, I will focus on clean architecture, security, maintainability, and scalability.
Message me before ordering so we can discuss your API requirements and choose the right solution.
Get to know Derek Mwale
Derek Mwale
- FromZambia
- Member sinceMar 2018
- Avg. response time1 hour
Languages
English
I'm Derek Mwale, a software developer focused on building secure, scalable, and reliable software solutions. I specialize in backend development, API development, web applications, databases, and software architecture. My technical stack includes Python, Django, Django REST Framework, Node.js, Express, PHP, Laravel, React, TypeScript, PostgreSQL, MySQL, MongoDB, Docker, RUST, and REST APIs. I enjoy solving complex technical problems, designing clean systems, and turning ideas into production-ready software. My focus is always on clean code, security, performance and maintainability.
FAQ
Q: What type of APIs can you build?
A: I can build REST APIs for SaaS platforms, startups, mobile applications, web applications, dashboards, marketplaces, and internal business systems.
Q: What technologies do you use?
A: I work with Django, Django REST Framework, Node.js, Express, Laravel, Rust, PostgreSQL, MySQL, MongoDB, Redis, Docker, and Linux.
Q: Can you implement authentication?
A: Yes. I can implement secure registration, login, JWT authentication, password hashing, password reset, email verification, token management, and protected endpoints.
Q: Can you create roles and permissions?
A: Yes. I can implement RBAC, custom permissions, admin roles, user roles, resource ownership, and granular access controls.
Q: Can you add API keys?
A: Yes. I can create API key generation, authentication, revocation, rotation, expiration, scopes, and usage tracking.
Q: Can you add rate limiting?
A: Yes. I can implement rate limiting based on users, IP addresses, API keys, or individual endpoints, including brute-force protection.
Q: Will my API have documentation?
A: Yes. I can provide Swagger/OpenAPI documentation with endpoints, authentication requirements, request examples, responses, and error information.
Q: Can you design the database too?
A: Yes. I can design a secure database architecture including schemas, relationships, constraints, indexes, migrations, and transaction handling.
Q: Can you Dockerize the API?
A: Yes. I can configure Docker and Docker Compose for the API, database, Redis, and supporting services where required.
Q: Can you build a multi-tenant SaaS API?
A: Yes. I can design APIs with tenant isolation, user roles, permissions, database structures, and access controls suitable for SaaS applications.
