Dev Dave

Services

Backend Systems & API Development

Your mobile or web app is only as good as the backend behind it. I design and build APIs and backend systems with TypeScript and Node.js that handle real production load — proper auth and role management, clean data modeling, and business logic that's actually testable.

Node.jsTypeScriptExpressRESTGraphQL

What You Get

  • A REST or GraphQL API tailored to your product's data model
  • Authentication, authorization, and role-based access control
  • Database design and query optimization
  • Clear API documentation for your frontend/mobile teams
  • Deployment guidance for your hosting environment

How It Works

1

Requirements & Data Modeling

Map out the entities, relationships, and business rules your system needs to support.

2

API Design

Design endpoints and contracts your frontend/mobile team can build against with confidence.

3

Implementation

Build the backend with tests around the business-critical paths.

4

Deploy & Monitor

Ship to production with logging and monitoring in place, and support you post-launch.

Related Work

Projects Using Backend

Auto Cllan
Auto Cllan
Auto Cllan for Auto Cllan

Auto Cllan simplifies buying, selling, and servicing cars and bikes by connecting users, shop owners, and workshops in one seamless platform. I led th...

TheCatfish
TheCatfish
TheCatfish for Bitwise Solutions

TheCatfish is a social-style mobile application that helps users search and report online scammers. The platform supports posting scam reports, engage...

OutApp
OutApp
OutApp for Fiverr Client

OutApp is a Flutter-based mobile application built to help users discover, explore, and manage events from their phones. The goal was to create a clea...

Freelance Track Record

Trusted on Fiverr & Upwork

Fiverr

Level 2

Upwork

Rising Talent

0+

Orders Completed

5.0

All 5-Star Reviews

Need help with Backend Systems & API Development?

Tell me about your project and I'll help you scope it — starting with a quick consultation.

Get In Touch

Let's Work Together

I'm currently open to new opportunities and collaborations. Whether you have a project in mind or just want to say hello, feel free to reach out!

Dev Dave

© 2026 Topoika. All rights reserved.

Privacy

This site uses cookies to understand how visitors use it and to improve the experience. You can accept or reject analytics cookies at any time — read the privacy note.