You will get a production-ready Web Application.
Top Rated
Top Rated
Project details
You'll get the feeling of working with someone who actually cares — clear communication, no surprises, and a product you're genuinely proud to launch. I focus on making the whole process feel smooth and low-stress, so instead of chasing updates or worrying about quality, you can stay focused on your business.
With years of experience across mobile and web development, I turn ideas into real, working software that looks good, runs well, and is built to last. Every project is handled with care, structure, and honest feedback — whether it's a full build, an improvement on something existing, or adding AI features to your product. By the end, you'll have more than just code: you'll have a product that feels right, and the confidence that it was done properly.
With years of experience across mobile and web development, I turn ideas into real, working software that looks good, runs well, and is built to last. Every project is handled with care, structure, and honest feedback — whether it's a full build, an improvement on something existing, or adding AI features to your product. By the end, you'll have more than just code: you'll have a product that feels right, and the confidence that it was done properly.
Programming Languages
JavaScript, TypeScript, C#Coding Expertise
Cross Browser & Device Compatibility, Performance Optimization, DesignWhat's included
| Service Tiers |
Starter
$799
|
Standard
$2,999
|
Advanced
$7,499
|
|---|---|---|---|
| Delivery Time | 5 days | 14 days | 28 days |
Number of Revisions | 1 | 2 | 3 |
Number of Pages | 2 | 5 | 10 |
Design Customization | - | - | |
Content Upload | - | ||
Responsive Design | |||
Source Code |
Optional add-ons
You can add these on the next page.
Fast Delivery
+$399 - $2,499
Additional Revision
+$199
Additional Page
(+ 1 Day)
+$199
Design Customization
(+ 1 Day)
+$249
Content Upload
(+ 1 Day)
+$99
AI Integration (Starter/Standard)
(+ 3 Days)
+$1,499
E-commerce (up to 10 products)
+$1,199
Additional Language
(+ 1 Day)
+$99
31 reviews
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DC
David C.
Jun 9, 2026
Android Developer (Kotlin / Jetpack Compose)
Thanks for the fast & good quality.
ST
Selda T.
May 28, 2026
Full Stack Web developer
He completed everything I asked for and delivered the work professionally. Communication was clear, and he was responsive throughout the project. I appreciated his reliability and his ability to follow the requirements properly. I would be happy to work with him again.
ES
Emre S.
Feb 24, 2026
Cross-Platform Mobile SDK Developer (React Native & Flutter)
Great Service
MT
Matthew T.
Feb 23, 2026
iOS Developer with Swift and Core Data Expertise Needed
Good fast and friendly developer. We will use Deniz again.
BE
Bube E.
Jan 23, 2026
Developer Needed To Build Event Bookmarking App for iOS
It was very easy talking to Deniz and he was responsive to feedback and changes. He completed changes in a timely manner and built a solid app.
About Deniz Eren
Full-Stack | AI Integration | MVP | Mobile | iOS | Android | Developer
100%
Job Success
Izmir, Turkey - 4:54 pm local time
Most of what clients hire me for falls into three buckets:
1) SHIPPING APPS PEOPLE ACTUALLY USE
I've built and launched products that are live right now on the App Store and Google Play. For one wellness brand, I built the gamification system and an AI meal-scan feature, then localized the app for the Japanese market. It now has 40,000+ users across 10+ countries. I also took a research SaaS from an empty repo to a paid product running on Stripe.
2) GETTING STUCK APPS UNSTUCK
A lot of people come to me with an app that got rejected in review: broken IAP or subscription setup, metadata problems, data-disclosure policy flags. I've turned those rejections into approvals more times than I can count. If your build is sitting in Apple or Google limbo, this is the thing I'm genuinely good at.
3) AI THAT SHIPS, NOT AI THAT DEMOS
I integrate OpenAI, Claude, and Gemini into real features like meal analysis, smart chat, content generation, and recommendations, and I build the backend so it stays fast and doesn't burn through your token budget.
TECH I WORK IN DAILY
Mobile: Swift/SwiftUI, Kotlin/Jetpack Compose, React Native & Expo
Web: Next.js, React, TypeScript, Tailwind
Backend: Node.js, Firebase, Supabase, Postgres
AI: OpenAI, Claude, Gemini
Plus the unglamorous parts that decide whether an app actually succeeds: App Store and Play submission, compliance, IAP and subscriptions, ASO, and ad monetization.
HOW I WORK
Clear updates, honest timelines, and I'll tell you when something's a bad idea instead of just billing for it. I use modern AI coding tools like Claude Code and Codex as part of my workflow, which means I ship faster without cutting corners, since every line still goes through a senior developer who knows what good looks like.
Send me what you're building and what's blocking you, and I'll tell you straight whether I'm the right fit.
Steps for completing your project
After purchasing the project, send requirements so Deniz Eren can start the project.
Delivery time starts when Deniz Eren receives requirements from you.
Deniz Eren works on your project following the steps below.
Revisions may occur after the delivery date.
Discovery & planning
Review your materials, align on scope and features, and confirm the tech stack, timeline, and milestones before development starts.
Design & development
Build the UI, implement the AI evaluation engine with your scoring rubric, and integrate auth, payments, and any required third-party services.