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Fiverr Pro
English
$
USD
I will be your backend developer for API integration and web app debugging
David
Level 2
About this gig
Need a backend developer who can build, fix or connect the systems behind your website, web app, Saas product, AI tool, or ecommerce platform?
I help businesses, startups, and tech teams create reliable backend systems using Node.js, Next.js, Python, Django, SQL, and MongoDB.
Whether you need API integration, webhook setup, database work, backend debugging, authentication, or a secure backend feature, I can help you turn the technical side of your product into something that works smoothly.
What I can help with:
- Backend development for webs apps and dashboards
- API integration and custom endpoints
- Webhook setup and troubleshooting
- Backend debugging and error fixing
- Database design, queries, and optimization
- Authentication, user roles, and secure logic
- Ecommerce, SAAS, AI, and business system backend support
My focus is not just writing code. I help you build backed logic that matches your business needs, connect properly with third-party tools, and is easier to maintain.
Please send me a message before ordering so I can review your requirements, confirm the best approach and recommend the right package for your project.
Respect third-party rights
Please be aware that it is against Fiverr's policies for sellers to include themes, templates, or any other elements that infringe third-party rights or applicable laws in the delivered work. Read more about in our Guide to Responsible Digital Creation.
Get to know David
David
High Converting Website Designer, Squarespace Expert, Funnels, SEO, Automation
Level 2
- FromNigeria
- Member sinceJul 2023
- Avg. response time1 hour
- Last delivery1 week
Languages
Yoruba, English, Spanish, French
FREE WEBSITE AUDIT AND HOMEPAGE CONVERSION CHEKLIST
I design and develop modern, conversion-focused websites for businesses, startups, and personal brands. My services include website design, website development, Squarespace websites, website redesign, landing page design, ecommerce setup, and SEO-optimized website structure that helps turn visitors into clients.
I also support sales funnels, CRM integrations, and marketing automation to improve lead generation and conversions.
Need ideas for your website?
Message me to get the free checklist.
My Portfolio
Other Website Development Services I Offer
FAQ
Can you work on an existing backend project?
Yes. I can review your existing codebase, understand the current structure, and help with bug fixing, API integration, webhook setup, database issues, or backend feature development.
Do I need to message you before placing an order?
Yes, please message me first. Backend projects vary in complexity, so I need to review your requirements, tech stack, access, and timeline before recommending the right package.
What backend technologies do you work with?
I work with Node.js, Next.js, Python, Django, SQL, MongoDB, Replit, Base44, and related backend tools depending on the project requirements.
Can you fix API or webhook errors?
Yes. I can help debug failed API requests, broken webhook flows, incorrect payloads, authentication issues, response errors, and third-party integration problems.
Can you build a complete backend for my web app or SaaS product?
Yes. I can help build backend systems for web apps, SaaS platforms, AI tools, ecommerce platforms, dashboards, and business systems. Please message me with your scope first.
Do you handle frontend work too?
This gig is backend-focused, but I can support frontend-related work when it connects directly to backend functionality, such as forms, dashboards, authentication flows, and API-connected pages.
Can you help with database setup or optimization?
Yes. I can help with database structure, queries, data storage, connection issues, MongoDB setup, SQL work, and basic optimization depending on your project.
Can you make my backend more secure?
Yes. I can help improve backend security through better authentication logic, protected routes, safer API handling, role-based access, input validation, and secure database practices.
Can you deploy the backend?
Yes, if deployment is part of the agreed scope. Please share your preferred hosting platform or server setup before ordering.
What do you need from me to get started?
I’ll need your project brief, tech stack, code/repository access, app URL if available, error messages or screenshots for bugs, and details of any API, webhook, or third-party tool involved.
