🚀 Senior Software Engineer | Backend Architect | Performance Optimization Expert With 15+ years of experience in software development, I specialize in designing and optimizing high-performance backend systems using Java, C, C++, and Spring Boot. I focus on creating scalable and maintainable solutions for mission-critical systems. Key Skills: Java, C, C++, Spring Boot, Kubernetes, Kafka, MySQL, Docker, CI/CD, and Cloud Deployments. Proven expertise in optimizing system performance (e.g., reduced response times from 500ms to under 50ms). Experienced in building microservices architectures and implementing best practices in DDD and Clean Architecture. Success Stories: ✅ Optimized a microservice for a SIEM platform, improving data processing from 60TB/day with enhanced fault tolerance. ✅ Designed a multi-cloud backup system, ensuring robust data redundancy and disaster recovery. ✅ Developed secure systems with strong encryption, achieving FedRAMP, NIST, and FIPS compliance. 🔎 If you're looking for a highly experienced engineer to optimize performance, improve scalability, or enhance system security, let's connect!

Senior iOS Developer Fundamentals: Master Degree of Computer Science 10+ released projects 7+ years of iOS development experience 2+ years of Project Management experience (side, pet projects) Professional skills: - Highly proficient in object oriented methodologies, design patterns, data structures, algorithms, quality coding skills and excellent debugging skills; - Expert iOS platform mobile application development skills with a proven record of creating commercial quality software. Preference for Swift skills; - Debugging skills with proven experience in Xcode, Instruments and other performance analysis tools; - Strong experience and skills developing Swift and Objective-C iOS applications with Xcode; - Proven working experience with Apple products and services; - Strong problem-solving skills by identifying and correcting bottlenecks and fixing bugs. - Effective English communication skills.

Software Developer with 6 years of strong working experience in iOS software engineering. Ability to work in a team. Ability to analyze problems, find solutions and implement them. Each of my projects went through a full development cycle.

C++/ObjC/Swift Programmer/Analyst/Software Architect with 17 years of experience and solid background in analysis, design, development and implementation of desktop and mobile applications Co-Founder at BirdsCorp.com - we developed and launched 3 successful iOS applications, available on the App Store I try to carefully choose projects that are interesting to me and match my skills from the one hand and give me a challenge or may bring something new from the other hand

Background: 9+ years experience as an iOS developer 80+ works completed on Upwork 5000+ man-hours worked Team Lead, Product Owner, CTO - practical skills Area of expertise: - image and video processing apps (filters, transitions, templates, collages, patterns, audio, stickers, etc.); - audio processing apps (audio effects, sampling, generators, MIDI, OSC, etc.); - client-server apps (networking, serialization, caching, etc.). Stack: iOS, Xcode, Swift, Objective-C, UIKit, NSFoundation, AVFoundation, CoreText, OpenGL ES, GLSL, Metal, StoreKit, JSON, XML, CoreGraphics, CoreData, CoreVideo, CoreMedia, CoreAudio, CoreLocation, iCloud, Bash/sh, Git, Fastlane, Jira, Trello, Bitbucket, Github, In-app purchases, App Store. Ample knowledge of: - UI/UX design and development processes; - complex and large scale projects implementation; - support, updates and guarantee; - quality assurance and testing; - SDKs and APIs; - third-party integrations; - AppStore release process.

Experienced iOS developer with a background in computer architecture. Handy with new projects or existing apps, specializing in readable and maintainable code. Dedicated to understanding your use case and data flow; good code comes from good data structures. Comfortable with both old and new code paradigms.

I’m an iOS developer with more than eight years of professional experience building polished, reliable applications for iPhone, iPad, and occasionally Mac. I help businesses turn ideas into intuitive, high-quality apps that are built to perform well, remain maintainable, and provide an excellent experience for their users. Whether you need a new application developed, an existing product improved, or support resolving complex technical issues, I bring a practical and detail-focused approach to every project. Over the years, I’ve worked with clients across industries including e-commerce, finance, healthcare, and social media. I understand that successful app development involves more than simply writing code. It requires clear communication, thoughtful decision-making, dependable delivery, and a strong understanding of the product’s wider goals. I take pride in producing clean, scalable solutions while making the development process as straightforward and transparent as possible for my clients. My core expertise includes Swift, SwiftUI, UIKit, MVVM, MVC, API integration, debugging, application architecture, and ongoing app maintenance.

Hard working individual who is interested in developing awesome products for awesome customers - Swift 2.0 - Git - Parse - Objective-C - website: http://www.coderberk.com

I’m a developer experienced in building websites for small and medium-sized businesses. Whether you’re trying to win work, list your services, or create a new online store, I can help.

Dedicated and accomplished Senior iOS Developer with extensive experience in Swift, Obj-C, UIKit, and SwiftUI. Seeking a challenging iOS Developer position to leverage my expertise in developing high-quality, user-centric mobile applications and to contribute to innovative projects in a dynamic, collaborative environment. Over 5 years of experience in iOS development, with deep expertise in Swift, Storyboards, Obj-C, UIKit, SwiftUI, CoreData, CloudKit, iPadOS, macOS, watchOS, tvOS, and most Apple Kits. Proven track record of delivering high-quality iOS applications on time and within budget, by effectively collaborating with cross-functional teams. Strong analytical and problem-solving skills, with a focus on optimizing performance and enhancing user experience. Proficient in full-stack development, including backend integration and API development, with hands-on experience in AWS. Committed to continuous learning and staying updated with the latest technologies and industry trends. Highly motivated, with excellent communication skills and a passion for building valuable products that meet user needs.