Senior Java Developer
2011 - 2012PINBank- Member of a team working to implement a complex web project. The project included a variety of user services that were made accessible through a single account to provide a unified, user-friendly experience.
- Contributed to the design and overall architecture/infrastructure of the project.
- Designed and implemented the JSON over HTTP protocol for client-server communication. This included CDI integration, rich options for access control, security, and routing.
- Included support for both for Java and ActionScript runtimes, dramatically boosting the productivity of both the Java and Flash teams.
- Developed a fully automated ActionScript code generator to build a facade for the protocol. This included service interfaces, client factories, configuration, data transfer objects, type-aware (de)serialization, error handling, and queuing.
- Optimized SQL code for complex queries.
- Worked in management and maintenance of the infrastructure for the distributed app servers. Initiated and completed the migration from GlassFish to JBossAS 7.
- Developed an extensive online storage system with filtering, access control, sharing, searching, and video/audio/image processing.
- Wrote a majority of the code for every subsection of the project, including storage, social networking, private data management, and the notification system. Designed APIs for nearly every service developed.
Technologies: Java Core, CDI, JPA, Servlets, JMS, ActionScriptSoftware Developer
2005 - 2011Alt-M Technologies LLC- Developed a platform for premium SMS services, including a backend system for SMS processing, provider/partner integration, billing, and reporting.
- Created a LAMP based mobile entertainment site.
- Created a mobile casino system with Java ME clients and a OSGI/PostgreSQL based backend.
- Designed a TV show platform, including server-side (OSGI/PostgreSQL) services for player-interaction via SMS, support for Java ME clients, a mobile website, and a manager’s web interface.
- Developed a service to enable customers to easily and reliably send SMS notifications. This involved a backend system (OSGI/PostgreSQL/CouchDB), integration with upstream SMPP-providers, message delivery and processing, scheduling, accounting, reporting, and a web based (JavaScript RIA) frontend for managing contacts and campaigns.
Technologies: Java, OSGI, Java ME, PostgreSQL, MySQL, CouchDB, PHP, SMPP
Iurii Malchenko
SQL Developer in Kiev, Ukraine
Member since November 30, 2012
Iurii is a seasoned developer with a wealth of experience in the development of web front-ends and back-end systems. He has experience in group environments, and has written a large amount of code for a number of professional software solutions. He enjoys tackling seemingly "unsolvable" problems.
Iurii is now available for hire
Portfolio
- PINBankJava Core, CDI, JPA, Servlets, JMS, ActionScript
- Alt-M Technologies LLCJava, OSGI, Java ME, PostgreSQL, MySQL, CouchDB, PHP, SMPP
Experience
- SQL, 11 years
- Scala, 6 years
- Functional Programming, 6 years
- Amazon Web Services (AWS), 6 years
- Akka, 5 years
- Elasticsearch, 3 years
Availability
Part-time
Preferred Environment
Linux, IntelliJ IDEA, Git
The most amazing...
...software I've built is a tool for mixing different Java ME apps into one multi-app with multitasking, allowing users to view multiple apps at once.
Employment
Experience
- MULTiME (Development)
A worldwide-unique project that overcomes a major MIDP-1.0/MIDP-2.0 limitation that restricts the user to only running a single application (midlet) at a time. The project is a constructor for mixing several midlets into one - a “multi-midlet”, allowing for use of them simultaneously within an emulated multi-tasking environment.
- [email protected] (Development)
An “internet-to-sms” messaging project with mobile/web clients.
- BomberField (Development)
This is an online real-time multiplayer game that is currently under development.
- WideUP (Development)
A multifunctional platform for the online business sector and private space.
- youdrive (Development)
A driving-related Ukrainian site that is currently on hold.
- View-First Java Web Framework (Other amazing things)
A view-first framework for Java that was inspired by Lift. It is based on Java Servlets and integrates easily with CDI. It has not been open-sourced yet. It is user-friendly and runs efficiently, needing just a few ms to generate 500KB responses with 16+ concurrent requests.
- Advanced UI framework for Java ME (Other amazing things)
This is a Java ME framework that I've created and used to build a number of applications and games. It is not open-sourced and I have not continued to develop it since iPhone/Android have become relevant in the mobile market, but it is an elegant, efficient framework.
Skills
Languages
Scala, Java, SQL, JavaScriptFrameworks
JSON Web Tokens (JWT), AkkaLibraries/APIs
Slick, Java Collections, Circe, Scala.js, Stripe API, Akka Streams, ObjectWeb ASMTools
Java Concurrency, IntelliJ IDEA, 2Checkout, Eclipse IDE, NginxParadigms
Object-oriented Programming (OOP), Concurrent Programming, Functional Programming, Actor Programming, Unit TestingStorage
Elasticsearch, MySQL, PostgreSQLOther
Akka HTTP, Multithreading, Cats, ParsersPlatforms
Amazon Web Services (AWS), Linux
Education
- Master's degree in Applied Mathematics and Computer Science2003 - 2008Taras Shevchenko National University of Kyiv - Kyiv
