Hire the best Mobile App Developers in Warsaw, PL

I'm an IT enthusiast and creator with 15 years of experience in industry. I've been working in many areas and specializations from which iOS and macOS app development are my favourite. I've great knowledge of Apple environments, database design and dependencies in applications development. My previous experience also gives me a deep understanding of the product development cycle and what it takes to successfully deliver working solutions to users. I value honesty and transparency in collaboration. In my free time I either build electronic sound machines or explore wilderness on my bike.

Each project is a story, written with a unique code. What can I say about myself is that I am an architect of player's imagination, open to new challenges. When realizing goals, I set the bar high. I appreciate cooperation with people because it is thanks to them that I strive for continuous development.

My strongest powers are my tech stack and comprehensive experience. I’ve already done tens of development projects, and I'm not going to stop. Check some of my professionalism guarantees: • 9000+ hours worked on Upwork • 54+ successfully executed projects • Excellent troubleshooting skills • Exceptional Top Rated Plus engineer + • 48 satisfied customers

I am a fullstack developer with experience in building websites and microservices for small and medium sized businesses. Whether you are trying to build / improve / maintenance your website, automation script, your own online store, or even create a desktop applications, I can help you successfully. I provide with: • Working B2B to develop pixel perfect design every sprint • Translating designs from various teams into functional pixel-perfect web pages, and responsive code to develop various web elements or entire web pages • Providing support to the team for web development • Conducting quantitative and qualitative research studies for...

"You guys are definitely the only team that stands out relative to who I have been interviewing." Teddy Sardar, Founder, Fundred, Inc. | March 2023 🏆One-stop-shop🏆 You want to DESIGN or DEVELOP an Application for your business. (click below for more proof) 💚💚💚"I had had a few misfires with previous offshore teams and individuals. These guys have turned me around. They were flexible, responsive, fast, gave great feedback and got the job done. They have become my "go to" dev and design team." -Tony Clemendor, gift-wow.com Hello and welcome to my profile. I'm Kacper Gazda. I specialize in: 📙 ANALYSIS: Pre-Implementation analysis...

Hey there!✋ My name is Andrei, I lead a development team at Itexus - a professional software development and consulting company specialized in Fintech, Insurance and Healthcare areas. I am out there seeking for new opportunities and projects where we can put our knowledge/experience to great use and bring value to both individuals, startups and well-established companies. Look forward to working with you!

⚡ Hi! Working as a Full Stack developer I participated in a number of large and successful startup projects in eCommerce, IoT, health, transportation, and finance industries. Having over 10 years of experience on both mobile and web technologies, I have obtained a strong experience in developing complex solutions from scratch, integration of 3rd party APIs, creation web servers and APIs for mobile applications, integration of many popular payment gateways, and much more. ✅ High quality, in-time delivery, daily-communication & forever relationship for updates are guaranteed. My skillset includes the following: ⚡ Web technologies; -...

I am a Senior Android Engineer with over 9 years of experience in software development. I've been part of many start-ups and helped them reach new funding rounds. The most successful reached 55$ million in Series B round. I also created and published many of my own apps from scratch. I'm a full stack developer. I can confidently handle both front-end Android app development and back-end server application tasks for your project. I always take ownership for all apps I develop so quality and UX comes first. Did I mention I value great and concise communication with quick response times? If you are looking for top quality look no further!

Mobile Applications Engineer with about 6 years of native Android development experience. Also worked with Flutter and React Native. Though I can't say cross-platform frameworks are exactly my cup of tea but in general, I believe that development is not about frameworks but more about the state of mind, because a good developer should be able to deal with any adequate framework or even programming language if they have a need to use it in some projects. So, I try to develop a spacious mind and to know more about development in general, its quirks and odds. Personal preference is still mobile development because you can work on something...

Hi there, I'm leading Upwork's awarded Team of Full-stack Developers with 3mln$+ of 5 stars and 100% JSS projects🚀 Would you like to hear about our secret sauce? If you ask me, why I'm better than other freelancers/teams, I'll respond that not every freelancer: Awarded by Upwork Multi-awarded by Clutch Awarded by Payoneer Customers - AUDI, Department of Justice of California, Qonto, E-Toro, Living Security, etc. Mentioned in Forbes, Business Insider, Sifted, and many more... Tech Rock Star in: 🔹 Web Development 🔹 Mobile Development 🔹 Product Concepting 🔹 Product Design 🔹 Quality Assurance Technology Stack & Tools 🖥 Front-End:...

In my professional career I have faced with different kind of project such as buisness area, finance, blockchain, entertainment, professional area for developers and etc. For these application I have created both front-end and back-end. Languages: JS, TypeScript. Front-end: React+Redux, React Native, Next, Gatsby, Material UI, antd Back-end: Node, Express, Nest, Koa. Architectures: REST, GraphQL, Socket.io. API’s: Vimeo, Stripe DB: Creating Database Architecture, Mongo+Mongoose, Sequelize+Postgres/MySQL AWS: Amplify, S3, EC2, CloudFront, RDS, Certificate Manager + Route53 + Load Balancer Git: GitHub, GitLab, BitBucket JS tools: yarn/npm,...

Hi I'm Oleg, Since 2015 I'm working as Front-end and Mobile Developer, living in Warsaw. I graduated from the Vitebsk State University. During this time I have worked with many popular frameworks such as: Angular UI: Ng-Zorro, Clarity Design System, Angular Material, PrimeNg; React: Redux, Saga, Thunk, Antd, Styled-components, i18next, Charts; React-Native: Redux, Saga, many native packages, i18next; Other: Google Analytics, Sentry; Also I've experience with creating apps from scratch and configure environment, CI/CD, tests (e2e, unit)

My goal is to help the customers I work with to get the results they are hoping and looking for as far as their web & mobile apps are concerned. As a goal-oriented person I work closely with a team of specialists - Delivery and Project managers, Product Owners, developers, UI/UX designers as well as QA specialists. With our skills and strengths combined, we deliver the custom-made web assets to customers within various businesses and industries. In my role, I strive for getting to know your needs and pain points so that I can help to address them in a timely manner within the agreed budgets. I put a great emphasis on communication and...

My name is Mikhail, I'm Senior Android&iOS And Senior Web Developer. So now I'm glad to see you here!) I have experience in development both huge-loaded websites for big companies and mobile applications for Android&iOS platforms. I took part at development for companies in spheres of medicine, sport, banking, real estate, e-commerce. The most popular products, which were made by me, have about 400-500k active users. My main principles are writing high-quality code and deep diving into the problems of my customers, to solve them in the best way.

My name is Dmitry Bogdan, I defended my master's thesis at BSUIR on "Threats to cybersecurity of Internet of Things systems". Then I worked as a Frontend developer (1.5 years) and Project Manager (5+ years). During my time as a project manager I: - Developed a 3D printing startup from idea to own manufacturing,with sales department, service department and loyal customers. - Successfully launched 5 cross-platform applications on differentmarkets. - Managed the development of more than 10 games, withsubsequent redesign and localization of all of them for differentEuropean and Asian markets. - Integrated more than 8 payment systems into our...

I'm an developer with experience in building mobile application for iOS. I worked on each stage of application development: from development of MVP by concept to support software, that already more than 10 years in production. If you want to make an app or have support of already done - I can help you with that! Experienced in iOS, iPadOS, WatchOS and MacOS Development with Swift, Objective-C, Foundation, UIKit, SwiftUI, URLSession/Alamofire, CoreData/GRDB/Realm

Works as a Unity Developer at Fingers Yoda - United development team studio with more than 6 years of commercial experience in Unity, C# outsourcing, and product development. It has own mobile products with more than 17.000.000 users all over the world and dozens of different released web/mobile/game products for our customers. Created a lot of mobile game development products and Web-based products. I ready to help partners with scratch-to-release products.

I am a Full Stack Web and Mobile Developer (Javascript, Typescript, Php, Python,Solidity, C#, ASP.NET React JS, Angular, React Native, Laravel, HTML, CSS, Tailwind CSS, AWS, MongoDB, PostgreSQL, Firebase, GraphQL, Subgraph, MySQL) with more than 5years of professional experience with different technology stacks. Solid Experience in the development of ECommerce, CRM, Cloud Platforms, Social networking apps, News Potals, High-load platform and Facility management platforms. Speciality ECommerce, Social media apps, Blockchain,Smart Contract, Crypto Wallet Development, Smart Contract Wallet, NFT Development, Logistics, Restaurant Apps, Food...

Welcome! I am a diligent person, with broad skills of problem troubleshooting and analytic mindset. I have solid background in digital and B2B/B2C sales, knowledge of SaaS platfroms. My key force is solving problems and working with a team - building strong relationships with people in order to deliver the best experience.

With over 10+ years of experience in sales of software development services, SaaS, and other industries, I have a strong understanding of the products and technology company's growth. As the Head of Business, I lead a sales team, set goals and strategies, and develop relationships with Tier 1 clients worldwide. My expertise in analysing sales data and making decisions to improve performance has helped me to succeed in driving revenue boosts for the companies I have worked. I am always eager to discuss the latest sales strategies and best practices for lead generation and closing deals.

Welcome to our Chatgpt or Openai web application | mobile app | website service. If you are looking to bring your idea into reality with the power of chatgpt or openai, then you are at right place. We are a team of experienced and highly skilled developers, having great expertise in developing Mobile apps (android | IOS), Web app and Websites using chatgpt and openai. Our Services: chat gpt app chat gpt api mobile app openai openai api chat gpt website Web application Website Building web app Why choose us? Highly experienced team On-time delivery Maximum revisions 100% customer satisfaction Friendly communication 24/7 availability...

Need web development? Look no further, you’ve come to a right place - my expertise will help you achieve your goals💥 𝐊𝐞𝐲 𝐟𝐚𝐜𝐭𝐬 𝐚𝐧𝐝 𝐬𝐤𝐢𝐥𝐥𝐬: 🧑‍💻𝐌𝐨𝐫𝐞 𝐭𝐡𝐚𝐧 𝟏𝟎+ 𝐲𝐞𝐚𝐫𝐬 𝐢𝐧 𝐬𝐨𝐟𝐭𝐰𝐚𝐫𝐞 𝐝𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭; 🚀𝟓𝟎+ 𝐦𝐚𝐫𝐤𝐞𝐭-𝐰𝐢𝐧𝐧𝐢𝐧𝐠 𝐩𝐫𝐨𝐣𝐞𝐜𝐭𝐬 𝐜𝐨𝐦𝐩𝐥𝐞𝐭𝐞𝐝; 🎯𝐓𝐨𝐩 𝐁𝟐𝐁 𝐒𝐞𝐫𝐯𝐢𝐜𝐞 𝐏𝐫𝐨𝐯𝐢𝐝𝐞𝐫 𝐢𝐧 𝐭𝐡𝐞 𝐔𝐒 𝐢𝐧 𝟐𝟎𝟐𝟏; 💪𝐓𝐨𝐩-𝐑𝐚𝐭𝐞𝐝 𝐏𝐥𝐮𝐬 𝐔𝐩𝐰𝐨𝐫𝐤 𝐏𝐫𝐞𝐦𝐢𝐮𝐦 𝐩𝐫𝐨𝐯𝐢𝐝𝐞𝐫. ✅𝐑𝐞𝐚𝐜𝐭, 𝐀𝐧𝐠𝐮𝐥𝐚𝐫, 𝐕𝐮𝐞.𝐣𝐬, 𝐍𝐨𝐝𝐞.𝐣𝐬, 𝐌𝐄𝐑𝐍 𝐒𝐭𝐚𝐜𝐤, 𝐌𝐄𝐀𝐍 𝐒𝐭𝐚𝐜𝐤 🩺𝐇𝐞𝐚𝐥𝐭𝐡𝐜𝐚𝐫𝐞 💰𝐄-𝐂𝐨𝐦𝐦𝐞𝐫𝐜𝐞...

Got an idea for the next big thing? With my expertise, I can help you create a cutting-edge product iOS application from scratch that will stand out in the hands of your users! Swift and iOS development are my passion and I love creating apps for the Apple platform. Responsibility and great customer service are paramount to me. When coding, my goals are clean code, great user experience, and fast delivery. * OOP, SOLID, TDD, Clean Architecture * MVC, MVP, MVVM, VIPER design patterns * Swift, RxSwift * Firebase * Geolocation * REST API * Git

I have 7 years of experience as a graphic designer and 1.5 years of experience as a UI/UX designer. My Skills: Prototyping, Visual Design, Mobile Design, User Interface Design, Information Architecture, Web Design. I will create a stylish, modern and user-friendly website or a cool mobile application for you.