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Top freelance Multi platform developers available to hire

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Freelance Multi platform Developer - Greg Lukosek
Freelance Multi platform Developer5.0 (35 reviews)

Lead Senior Unity Developer, Author of Unity Books, Mentor

Freelance Multi platform Developer - Sunil Mishra
Freelance Multi platform Developer5.0 (5 reviews)

Summary ------- A seasoned Mobile Engineer with over **15 years** of hands-on experience designing and building robust, scalable mobile applications and solutions across **Android, iOS, Flutter, React Native, and Kotlin Multiplatform**. My work blends deep technical expertise with strong software craftsmanship. I design clean, **modular architectures** that balance performance, maintainability, and scalability, focusing on building robust and adaptable solutions—whether native or cross-platform. I bring a system-level perspective — from designing API contracts and optimizing performance to ensuring smooth integration with back-end and hardware layers. I’m committed to using **Clean Architecture**, **SOLID principles**, and proven **Design patterns** to deliver sustainable, high-quality engineering outcomes. Skills ------ > **Flutter Development - 6+ years** > Dart, Flutter, State management, Drift, gRPC, Protobuff, REST, Firebase, Supabase, Dart Frog, Flutter-Fullstack Development > **Android Development - 12+ years** > Kotlin, Android, Jetpack Compose/Libraries, Coroutines, Flows, Retrofit, Room, Hilt > **React Native - 3+ years** > Typescript, React Native, Expo, Zustand, SQLite, Realm, AsyncStorage > **iOS Development - 6+ years** > Swift, SwiftUI, CoreData, combine > **Kotlin Multiplatform - 2+ years** > Android, iOS, Compose-UI, Ktor, Room, Serialization, Koin > **Web Development - 3+ years** > Next.js, Typescript, Tailwind, Shadcn, Vercel > **Architecture** - Clean Architecture, OOAD/UML, SOLID Principles, Design Patterns > **Dev-ops Tools** - GIT, Github, CI/CD, JIRA, Confluence, Figma, Codecov, Sentry, Zeplin Specialties ----------- 🚀 Product Development | Technology Roadmap | Architecture 👨‍💻 Team Management | Leadership | Mentor

Freelance Multi platform Developer - Jonathan Eunice
Freelance Multi platform Developer5.0 (340 reviews)

• Expert full-stack Python & JavaScript developer • Full DevOps: project architecture to production deployment at scale (whether VMs, Docker containers, cloud services, or on-prem) • Outstanding trouble-shooter and "OMG! Everything is on fire! HALP!!" first responder • Strong web app, data structures, data science, and visualization skills • Enjoy complex integration and automation challenges • Love mentoring. Half-price ($60/hr) for all genuine students

Freelance Multi platform Developer - Michael Urvan
Freelance Multi platform Developer5.0 (121 reviews)

Being a software developer is more than just learning to program in a computer language. I have been building .NET web apps for years and multiplayer games since 2015, using Unity 3D using Photon Fusion (server-authoritative). I have also designed and/or worked on enterprise web sites from concept to deployment, some high-profile projects. I have served as a Senior or Lead Developer for years, mentoring other developers and encouraging them to use the latest technologies and best practices. For tutoring, I would focus on teaching design patterns, using events and encapsulation when designing applications and reinforcing the need to keep your skillset current as new technologies are released. I can give advice on how to focus your learning efforts to target specific types of development positions, and interviewing advice for finding a position within a software company. I had been a developer in C++ for about 10 years prior to using C# and focused on web technologies prior to working with Unity 3D. While I have primarily been using Unity 3D and Microsoft .NET / C# recently, I have also utilized legacy technologies like Classic ASP, VB and VB.NET, COM/DCOM, worked with Linux/PHP/MySQL from time to time, and worked with the Microsoft SQL Server/Express/CE products for 10+ years. I also have formal SCRUM training, which is used by many companies for handling team project management. For Unity 3D multiplayer networking projects I typically work with and recommend Photon Fusion along with PlayFab integrations, PlayFab Matchmaking, and PlayFab GameServers. If your college project is a "Concept to POC" type of project where the Proof of Concept is the working software required for a grade, then I will also teach you to use a Git repository to manage the project (or Plastic/UVCS for Unity projects). I can help you document the Project Scope, Functional Specs, create Design Documents, and build the presentation for your college project. We can build completed projects in a short time, both the user interface and the server components as needed. My focuses are Unity 3D multiplayer, C#, .NET Core

Freelance Multi platform Developer - Jignesh Patel
Freelance Multi platform Developer5.0 (59 reviews)

Tech Lead and Mentor with ten years of experience in various domains and tech stacks following the industry's best practices, architecture, testing, code reviews, debugging, profiling, and CI/CD pipelines. **I have something special for you - let's discover:** - Student discount is applied automatically. - Displayed rate is not pocket friendly - no worries - I have something special for you. <br/> **Highlights:** - Mentoring is one of my passions, and I have helped numerous mentees on their journey to become successful developers in various fields such as web, native mobile, and cross-platform development. - I have helped many developers to fix critical bugs and implement complex features on the platform. - Proficient in working with teams on software development life cycle(SDLC) from requirement gathering or planning, defining, designing technical architecture, building or developing, testing, deploying, and maintaining applications - Well verse with development process/tools like Github Actions, CircleCI, CodeMagic, Fastlane, Jenkins, BuddyBuild, Git workflow, Github workflow, Agile PM tools, Continuous integration, and continuous deployment(CI & CD), Test/Domain-driven development with keeping healthy test code coverage, etc. - Proficient in creating and working with different kinds of APIs - REST / GraphQL - Proficient in working with databases SQL and NoSQL - Proficient in object-oriented design, data structures, problem-solving, complexity analysis, and debugging. - Proficient in writing efficient, maintainable, reusable, testable code that preserves privacy and security. - Proficient with different platform/services integrations - Right knowledge of toolset and libraries for effective and productive work.

Freelance Multi platform Developer - Igor Tarasenko
Freelance Multi platform Developer5.0 (30 reviews)

I build the thing end-to-end. Prototype → PRs → deployed system with evals, guardrails, and monitoring. iOS/Swift + Python + agents. You get handover-ready code in your repo, not spaghetti AI. Ex-Uber. 16 years shipping. WHAT I DELIVER: • Production AI systems — not prototypes that break in prod • Evals, guardrails, and monitoring built in from day one • iOS/Swift frontends + Python/agentic backends • Handover-ready code, not spaghetti AI PROOF: • WhisperBoard — 50K+ downloads, 4.8★ rating • mcp-browser-use — 850+ GitHub stars • Ex-Uber engineer, 16 years building production systems • 5.0 rating on Codementor (30 reviews)

Freelance Multi platform Developer - Piotr Krzemiński
Freelance Multi platform Developer5.0 (18 reviews)

I am software engineer experienced in multiple languages and technologies, having solid theoretical background in computer science.

Freelance Multi platform Developer - Satyam Vakharia
Freelance Multi platform Developer5.0 (14 reviews)

**Who I Am AI Engineer specializing in LLM-powered applications and agentic AI systems. Strong background in multi-agent AI, intelligent automation, and cross-industry AI deployments. **What I Build 1. Agentic AI Systems 2. Multi-Agent AI Platforms 3. LLM Integrations 4. Custom AI Agents **Tech Stack & Skills Languages: Python, JavaScript (Node.js), TypeScript Frameworks: LangChain Cloud & Deployment: AWS, Azure, GCP, Docker Databases: PostgreSQL, MongoDB Other: API development, prompt engineering, RAG **Full Stack Development:** **Mobile App Development** (Native/Cross-Platform iOS/Android Apps) **Technologies / Languages I can work with are:** JavaScript Frameworks: Angular Node React Nuxt Next Nest Vue & other.. TypeScript Full Stack / Mean Stack / Mern Stack / .Net FullStack .NET Core Flutter DevOps Generative AI AI ML LLM UI UX Design - Figma, Adobe XD, Photoshop WordPress AWS / Azure / Heroku Native App Development Cross platform Applications Server Management Hosting / Deployment Database Management (MySQL, Postgres, MongoDB) Git, Jest, MaterialUI Infra: Terraform, AWS, Kubernetes, Docker, Github Actions, Jenkins, CircleCI TDD -->> 10+ years of experience in Development / Providing Customized Generative AI powered Solutions / Consultations work and have worked for everything from small business to unicorn startup. **WHAT I AM LOOKING FOR** Opportunity to collaborate with startups who are in search of a partner to build their ideas; with enterprises to transform their operations into impact-full solutions.

Freelance Multi platform Developer - Mark LaFond
Freelance Multi platform Developer5.0 (4 reviews)

- Have coded everyday for 25+ years on leading edge projects for Fortune 500 companies as well as start ups. - Expert level mentor with great communication skills, love helping people.

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Frequently asked questions

How long do Multi platform 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 Multi platform 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 Multi platform request on Codementor, check out our article.

How much does it cost to hire a freelance Multi platform developer?

We don’t charge anything when you post a freelance hiring request for Multi platform 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 Multi platform developers different?

We do a comprehensive technical and communications screen of all Multi platform 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 Multi platform developers’ user satisfaction rates.

What happens if I’m not happy with the freelancer’s work?

As a platform, we strive to ensure you’re always happy with your Multi platform project’s results. If you’re unsatisfied with the results, you can choose to get a refund for the project. Additionally, you can contact our support team should you need any further assistance with your project.

For more answers to frequently asked questions, see here.

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