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Fiverr Pro
English
$
USD
I will develop and improve backend and web systems
Sergej M
About this gig
I help you fix, improve, and integrate backend systems and APIs in a clean and reliable way.
This gig is ideal if you already have an existing backend or API that needs:
- bug fixing or debugging
- improvements or refactoring
- integration of external APIs
- better structure, performance, or maintainability
I focus on clear scope, clean code, and practical solutions.
No overengineering, no unnecessary complexity just solid backend work that fits your project.
Youll get:
- clear communication
- focused problem solving
- maintainable backend logic
- source code included
If you are unsure which package fits your needs, feel free to message me before ordering.
For larger or unclear tasks, Ill suggest a custom offer.
Get to know Sergej M
Sergej M
- FromGermany
- Member sinceDec 2025
Languages
German
Kein klassischer Entwickler, sondern ein autodidaktischer Problemlöser mit Technik-Fokus. Ich bringe mir Software, Automatisierung und KI-nahe Themen selbst bei und setze sie praxisnah um. Mir sind saubere Lösungen, klare Kommunikation und ehrliche Arbeit wichtiger als Titel oder Buzzwords.
FAQ
What do you need from me to get started?
A short description of the issue, access to the relevant code, and any error messages or logs.
Do you work with existing codebases?
Yes. I focus on improving, fixing, and extending existing APIs and backend systems.
What is included in a “Small API Fix”?
Fixing one clearly defined issue. New features or larger changes require a higher package or custom offer.
Can you integrate third-party APIs?
Yes. External API integrations are included in Standard and Premium packages.
What if my task is bigger or unclear?
Please contact me before ordering. I will review the scope and suggest the right package or a custom offer.
