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Berlin based senior developer. Developed iOS for 10 years, developed Swift since the inception. Has 3 of the top 10 free news apps in Turkey on App Store and Google Play Store.
Entrepreneur | Android Developer | UX/UI Designer | Java Instructor
I am currently working for BioWorld Merch as an Android Software Engineer. In the past I've worked at DealerSocket as well as full-time as a freelancer on Android development and UX/UI design. I work primarily on building and enhancing both businesses & individuals applications on the Google Play Store. I have over three years of extensive experience in both backend and front-end mobile development.
Seasoned iOS Engineer with 10+ years of experience in mobile architecture and a strong track record of contributing to high-impact features. Skilled in driving end-to-end development and performance optimization . Actively seeking a Senior Engineer or Individual Contributor role to leverage expertise in building scalable, high-quality iOS applications.
I love the idea of Rapid Application Development and have followed it through out my career as a software developer. I am an expert iOS application development with over 13 years of experience. I am highly talented and skilled in problem solving and understanding complex and large code base.
I love working with:
⭐ C++
⭐ iOS application development (iPhone, iPad, iWatch, tvOS)
⭐ JavaScript
⭐ Swift /ObjC/React Native/Flutter
⭐ SwiftUI
and PYTHON
Let me help you get unstuck in your coding project dealing with iOS , Swift, SwiftUI using Autolayout, or complex logic that you cannot understand. I am expert in all design pattern including using Combine, RXSwift, MVVM, MVC, and using CoreData.
I also am expert in C++, Javascript, React. and building iOS mobile application.
With 13+ years in the HighTech industry, including 9 years in FinTech, I specialize in building scalable, high-performance backend systems for eCommerce and financial platforms. My expertise lies in Java, Spring Boot, Microservices, Domain-Driven Design (DDD), and Relational Databases, ensuring businesses have reliable, efficient, and secure infrastructures.
Beyond my technical role, I am passionate about mentorship and community impact. I led a Backend Guild, fostering knowledge sharing and best practices across engineering teams. I also co-managed the Tech-Blogging Program at Baot, helping women in tech publish their first technical articles, and served as an Intuit Women’s Network ERG Leader, advocating for career growth and inclusion in tech.
Over the years, I played a pivotal role in architectural transformations and financial integrations, including:
✅**Hybrid SDK for Sensitive Data Detection (Intuit)** – Designed a Hybrid SDK that enabled dynamic configuration updates without requiring SDK version upgrades. Extracted validation logic from the SDK and represented it as mathematical expressions. This approach was secured through a patented method: Secure, Dynamically Loaded Input Validation Using Mathematical Expressions.
✅ **Monolith to Microservices Transition (Behalf)** – Led the company’s first microservice transition, mentored other teams, and introduced an Anti-Corruption Layer (ACL) to bridge legacy dependencies and ensure a smooth migration.
✅ **Wells Fargo Integration** – Engineered a seamless connection to enhance payment processing.
✅ **Cross River Bank & PPP Integration** – Led the integration efforts during the pandemic, enabling SMBs to access critical funding through the Paycheck Protection Program (PPP).
Now, as a freelance backend engineer, consultant, and mentor, I help businesses architect scalable eCommerce platforms, optimize payment flows, and build robust backend infrastructures tailored to their needs.
💡 What I Offer:🔹 **Backend Development** – Scalable, high-performance Java & Spring Boot applications.
🔹 **Consulting & Mentorship** – Guiding teams on architecture, best practices, and code quality.
🔹 **Code Reviews** – Ensuring clean, efficient, and maintainable codebases.
🔹 **Public Speaking & Thought Leadership** – Sharing insights on backend development, FinTech, and eCommerce.
Let’s connect! Whether you need backend expertise, consulting, or mentorship, I’m happy to help. 🚀
**Numbers**
- 10 years of iOS development
- 3 years of macOS development
- 3 years of iOS SDK development
- 10 years of Objective-C
- 7 years of Swift
- 20 courses of iOS development lectured
Bio
**2011**
- Getting into iOS development using online courses
- Doing first freelance jobs
**2012**
- Developing iOS SDK in startup company
**2013 - 2018**
- iOS & mac OS Freelancer
- iOS courses lecturer
**2019 - 2021**
- Working as lead iOS developer in a company
- Working on side projects
Technical cofounder, board member, and seasoned operator with experience building and growing early stage companies (pre-seed to late Series) and nonprofits. Keen interest in governance, economics, human rights, and environmental stewardship and how web3 plays a part.
I have spent more than 5000 days of my life pursuing the zen of creative software development. I pride myself on continuing the values that I learned in the early days of the software industry, the 1990s. My career has spanned decades in many different industries, but I have worked almost exclusively in software and my fallback, professional cooking. When I'm not working, I spend my time hiking, gardening, crafting and making retro video games under the name Lost Astronaut Studios.
Insightful, tech-driven Software Architect with notable success in developing powerful web applications while participating in planning, analyzing, and implementing solutions in support of business objectives. Hands-on experience participating in all stages of software development efforts, including requirements definition, design, architecture, testing, and support. Have experience with several startups as well as large corporations. My current passion is real-time hybrid apps working seamlessly on iOS, Android and Web.
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STEP 2
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STEP 3
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Frequently asked questions
How long do SDK projects normally take?
The length of a project depends on many factors, including the scope of your project and the technical complexity of it. When you post a freelance SDK project request on Codementor, you’ll have the option to indicate when you’d expect the project to be completed. We suggest chatting with the interested developers to ensure both sides are on the same page. For more information on how to post a freelance SDK request on Codementor, check out our article.
How much does it cost to hire a freelance SDK developer?
We don’t charge anything when you post a freelance hiring request for SDK developers! You’ll have the chance to determine what the budget for your project is when you post the request. You’ll only need to pay the developer if you’re 100% satisfied with their work. Please know that Codementor charges a small service fee when a developer completes the job.
What makes Codementor SDK developers different?
We do a comprehensive technical and communications screen of all SDK developers at Codementor. Our network includes book authors, popular open source contributors, top Stack Overflow users and engineers at top tech companies. In addition, to continually ensure the quality of our freelancers, we regularly check in on existing SDK developers’ user satisfaction rates.
What happens if I’m not happy with the freelancer’s work?
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For more answers to frequently asked questions, see here.