Hire Java Developers

15+ years of extensive experience in architecture, design, and development of desktop and web applications, and services. Experience in the development of various web-based, desktop, Internet/Intranet, and Client/Server applications using Java, groovy, scala, kotlin, Ruby, Javascript, PHP, Python, C, C++, bash, etc. Worked on big volume documents processing, structuring, and storing to a database or cloud storage services (dropbox, google drive, one box). Experienced in Amazon Web Services (EC2, S3, routing, security rules, image creation, Kinesis) usage, Azure, and Google Cloud Platform. Designed complete project lifecycle applications using various OOAD techniques (Scrum, Kanban), RUP, UML, Rational ClearCase, Rational Rose, Use Cases, and Design Patterns) Designed database models for Oracle, MySQL, Postgres, and MSSQL, and developed stored procedures, triggers, and views.

Active career from 2003 starting with C++/Win32Api programming, microcontrollers, leading with .Net technologies starting with Windows Forms and ending with web development. Also has a background in Java and SmartTV development. - Good communication skills. Have 4 years of active freelancer experience with several clients with personal development and delegating work to another person; - Strong TDD and Agile background. Know how this works and have ideas about how the product owner or scrum master should work; - Strong communication skills with customers. Can create a strong development plan without too much information about the client’s wishes; - Have experience and knowledge about DDD (domain-driven development); - Have experience with strong and lightweight decisions for several types of architectures. For example, this is several scrap architectures; - Have real experience in migrating DB logic from MySQL to MSSQL; - Have implemented and successfully worked GDI+ components for oil drilling industry; - Have successfully finished several personal projects, where I’m only delegating work to other developers; - Good attention to detail, and good strategic vision; - Fluent in English; - Willing to have success in everything where I work; - Have successfully developed decisions for mass microcontrollers working with Linux servers; - Fast understanding of technology or projects and fast results Generic Application/System Software Development Expertise; - Enterprise-level system analyses, design, and development; - Development of large-scale web applications; - Object-oriented programming, analysis, and design; - Web development (HTML authoring, DHTML, JavaScript, applets development); - Database programming (SQL and no-SQL), XML and data processing, Entity Framework; - Unit and functional testing, Quality Assurance, stress testing, continuous integration; - Systems integrations, algorithms; - Azure clouds (currently preparing for certifications); - Knowledge of Continuous integration; - A large and successful experience in the surgery of foreign systems; - Reverse engineering; - Working on fast technology to fast and painless moving old systems to new stack; - Have solid experience in .Net Core and Angular 5/6 systems; - Successful experience in moving old legacy projects to .Net Core.

I have over 6 years of experience in Android development. During my career, more than 30 apps were developed by me. I can work as a Developer, Team Leader, receive requirements from clients, estimate time for the project, setting up a team including mobile, backend, and frontend to do the project. Features I have worked with: - push notification (gcm, one signal); - deep links (simple and bracnh.io); - analytics (firebase, countly); - payments (google payment, Yandex); - QR generating and scanning; - animations; - step counter; - google maps (markers, routes, searching); - text to speech and recognize speech; - camera; - database (Room); - caching; - Cloud firestore; - ad (google, appodeal); - Facebook, Instagram, Twitter, and google sign in audio and video player; - socket (chat and taxi); - camera recognition; - widgets.